/* CSS Variables & Design Tokens */
:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --bg-hover: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    --text-inverse: #ffffff;
    --border-color: #e2e8f0;
    --border-focus: #6366f1;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.2);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --card-bg: #ffffff;
    --board-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --header-height: 60px;
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-hover: #475569;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #64748b;
    --border-color: #334155;
    --glass-bg: rgba(30, 41, 59, 0.95);
    --glass-border: rgba(51, 65, 85, 0.5);
    --card-bg: #334155;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    padding-left: var(--safe-left);
    padding-right: var(--safe-right);
}

body.mobile-nav-open {
    overflow: hidden;
}

input,
button,
textarea {
    font-family: inherit;
    font-size: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: calc(var(--header-height) + var(--safe-top));
    padding-top: var(--safe-top);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-left: calc(1.5rem + var(--safe-left));
    padding-right: calc(1.5rem + var(--safe-right));
    z-index: 100;
}

.mobile-nav-btn {
    display: none;
}

.header-left,
.header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--accent-primary);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.board-selector {
    position: relative;
}

.board-selector-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-weight: 600;
    transition: all var(--transition-base);
}

.board-selector-btn:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.board-selector-btn.active {
    background: var(--accent-primary);
    color: var(--text-inverse);
    border-color: var(--accent-primary);
}

.chevron-icon {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-base);
}

.board-selector.active .chevron-icon {
    transform: rotate(180deg);
}

.board-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) scale(0.95);
    opacity: 0;
    visibility: hidden;
    min-width: 280px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.board-selector.active .board-dropdown {
    transform: translateX(-50%) scale(1);
    opacity: 1;
    visibility: visible;
}

.dropdown-header {
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.board-list {
    max-height: 240px;
    overflow-y: auto;
}

.board-list-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    width: 100%;
    text-align: left;
    color: var(--text-primary);
    transition: background var(--transition-fast);
}

.board-list-item:hover {
    background: var(--bg-hover);
}

.board-list-item.active {
    background: var(--accent-primary);
    color: var(--text-inverse);
}

.board-color-dot {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.board-item-name {
    flex: 1;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
}

.create-board-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    width: 100%;
    color: var(--accent-primary);
    font-weight: 500;
    transition: background var(--transition-fast);
}

.create-board-btn:hover {
    background: var(--bg-hover);
}

.create-board-btn svg {
    width: 20px;
    height: 20px;
}

.header-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.header-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.header-btn svg {
    width: 20px;
    height: 20px;
}

#themeToggle .moon-icon {
    display: none;
}

[data-theme="dark"] #themeToggle .sun-icon {
    display: none;
}

[data-theme="dark"] #themeToggle .moon-icon {
    display: block;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    font-weight: 600;
    font-size: 0.875rem;
}

/* Board Container */
.board-container {
    padding-top: calc(var(--header-height) + var(--safe-top));
    min-height: 100vh;
    background: var(--board-bg);
    transition: background 0.3s ease;
}

.board {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    min-height: calc(100vh - var(--header-height) - var(--safe-top));
    overflow-x: auto;
    overflow-y: hidden;
}

.board::-webkit-scrollbar {
    height: 12px;
}

.board::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-full);
}

.board::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
}

/* List Styles */
.list {
    flex-shrink: 0;
    width: 300px;
    max-height: calc(100vh - 120px);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.list:hover {
    box-shadow: var(--shadow-lg);
}

.list.dragging {
    opacity: 0.5;
    transform: rotate(3deg);
}

.list-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.list-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    background: transparent;
    border: none;
    outline: none;
    flex: 1;
    min-width: 0;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
    text-overflow: ellipsis;
}

.list-title:hover,
.list-title:focus {
    background: var(--bg-hover);
}

.list-count {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 0.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-right: 0.5rem;
}

.list-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

.list-menu-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.list-menu-btn svg {
    width: 16px;
    height: 16px;
}

.list-menu {
    position: absolute;
    top: 100%;
    right: 0;
    width: 180px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95);
    transition: all var(--transition-fast);
    z-index: 10;
}

.list-menu.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.list-menu-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: background var(--transition-fast);
}

.list-menu-item:hover {
    background: var(--bg-hover);
}

.list-menu-item.danger {
    color: var(--error);
}

.list-menu-item svg {
    width: 16px;
    height: 16px;
}

.list-menu-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.25rem 0;
}

.list-cards {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: background-color var(--transition-fast);
}

.list-cards.drag-over {
    background-color: rgba(99, 102, 241, 0.1);
    box-shadow: inset 0 0 0 2px var(--accent-primary);
    border-radius: var(--radius-md);
}

.list-cards::-webkit-scrollbar {
    width: 6px;
}

.list-cards::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

.list-footer {
    padding: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.add-card-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.add-card-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.add-card-btn svg {
    width: 16px;
    height: 16px;
}

.add-card-form {
    display: none;
}

.add-card-form.active {
    display: block;
}

.add-card-input {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    resize: none;
    transition: border-color var(--transition-fast);
}

.add-card-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.add-card-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

/* Card Styles */
.card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    overflow: hidden;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card.dragging {
    opacity: 0.5;
    transform: rotate(3deg) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.card-labels {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    padding: 0.75rem 0.75rem 0;
}

.card-label {
    height: 8px;
    min-width: 40px;
    border-radius: var(--radius-full);
}

.card-content {
    padding: 0.75rem;
}

.card-title-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
    word-break: break-word;
}

.card-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.75rem;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.card-meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.card-meta-item svg {
    width: 14px;
    height: 14px;
}

.card-meta-item.overdue {
    color: var(--error);
}

.card-meta-item.soon {
    color: var(--warning);
}

.card-placeholder {
    height: 60px;
    background: var(--accent-primary);
    opacity: 0.2;
    border-radius: var(--radius-lg);
    border: 2px dashed var(--accent-primary);
}

/* Add List Button */
.add-list {
    flex-shrink: 0;
    width: 300px;
}

.add-list-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.add-list-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.add-list-btn svg {
    width: 20px;
    height: 20px;
}

.add-list-form {
    display: none;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: 1rem;
}

.add-list-form.active {
    display: block;
}

.add-list-input {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: border-color var(--transition-fast);
}

.add-list-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.add-list-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 200;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    width: 100%;
    max-width: 480px;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transform: scale(0.95);
    transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-lg {
    max-width: 720px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
    max-height: calc(85vh - 140px);
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Card Modal Specific */
.card-modal-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.card-modal-title svg {
    width: 24px;
    height: 24px;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.card-title-input {
    flex: 1;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    background: transparent;
    border: none;
    outline: none;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.card-title-input:hover,
.card-title-input:focus {
    background: var(--bg-hover);
}

.card-modal-body {
    display: grid;
    grid-template-columns: 1fr 200px;
    gap: 1.5rem;
}

.card-main-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.card-section h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.card-section h3 svg {
    width: 16px;
    height: 16px;
    color: var(--text-tertiary);
}

.card-description {
    width: 100%;
    min-height: 120px;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    resize: vertical;
    transition: background var(--transition-fast);
}

.card-description:focus {
    outline: none;
    background: var(--bg-hover);
}

.card-description::placeholder {
    color: var(--text-tertiary);
}

.checklist {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.checklist-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.checklist-item:hover {
    background: var(--bg-tertiary);
}

.checklist-checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

.checklist-text {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.checklist-item.completed .checklist-text {
    text-decoration: line-through;
    color: var(--text-tertiary);
}

.checklist-delete {
    opacity: 0;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

.checklist-item:hover .checklist-delete {
    opacity: 1;
}

.checklist-delete:hover {
    background: var(--error);
    color: var(--text-inverse);
}

.checklist-delete svg {
    width: 14px;
    height: 14px;
}

.add-checklist-item {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

/* ================================
   CARD MODAL TABS
   ================================ */
.card-tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 0;
}

.card-tab-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.85rem;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    border-radius: 4px 4px 0 0;
    transition: color 0.15s, border-color 0.15s;
}

.card-tab-btn svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.card-tab-btn:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.card-tab-btn.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.card-tab-panel {
    display: none;
}

.card-tab-panel.active {
    display: block;
}

/* ================================
   REMAINING HOURS LOG TAB
   ================================ */
.rh-chart-container {
    position: relative;
    height: 160px;
    margin-bottom: 1rem;
}

.rh-log-list {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin-bottom: 0.75rem;
    max-height: 220px;
    overflow-y: auto;
}

.rh-empty {
    color: var(--text-tertiary);
    font-size: 0.8rem;
    text-align: center;
    padding: 0.75rem;
}

.rh-entry {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.rh-entry-view {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.65rem;
}

.rh-entry-hours {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--accent-primary);
    min-width: 50px;
}

.rh-entry-date {
    flex: 1;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.rh-entry-actions {
    display: flex;
    gap: 0.25rem;
}

.rh-edit-btn,
.rh-delete-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border: none;
    background: none;
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-tertiary);
    transition: color 0.15s, background 0.15s;
}

.rh-edit-btn svg,
.rh-delete-btn svg {
    width: 13px;
    height: 13px;
}

.rh-edit-btn:hover {
    color: var(--accent-primary);
    background: var(--bg-hover);
}

.rh-delete-btn:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.08);
}

.rh-entry-edit {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.5rem 0.65rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.rh-entry-edit .form-input {
    font-size: 0.8rem;
    padding: 0.3rem 0.45rem;
    flex: 1;
    min-width: 80px;
}

.rh-edit-actions {
    display: flex;
    gap: 0.35rem;
    align-items: center;
    width: 100%;
}

/* Add entry form */
.rh-add-form {
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
    margin-top: 0.25rem;
}

.rh-add-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: flex-end;
}

.rh-add-row .time-input-group {
    flex: 1;
    min-width: 110px;
}

.rh-add-btn {
    align-self: flex-end;
    white-space: nowrap;
}

.hidden {
    display: none !important;
}

/* ================================
   CARD MODAL TABS
   ================================ */
.card-tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 0;
}

.card-tab-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.85rem;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    border-radius: 4px 4px 0 0;
    transition: color 0.15s, border-color 0.15s;
}

.card-tab-btn svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.card-tab-btn:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.card-tab-btn.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.card-tab-panel {
    display: none;
}

.card-tab-panel.active {
    display: block;
}

/* ================================
   REMAINING HOURS LOG TAB
   ================================ */
.rh-chart-container {
    position: relative;
    height: 160px;
    margin-bottom: 1rem;
}

.rh-log-list {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin-bottom: 0.75rem;
    max-height: 220px;
    overflow-y: auto;
}

.rh-empty {
    color: var(--text-tertiary);
    font-size: 0.8rem;
    text-align: center;
    padding: 0.75rem;
}

.rh-entry {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.rh-entry-view {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.65rem;
}

.rh-entry-hours {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--accent-primary);
    min-width: 50px;
}

.rh-entry-date {
    flex: 1;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.rh-entry-actions {
    display: flex;
    gap: 0.25rem;
}

.rh-edit-btn,
.rh-delete-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border: none;
    background: none;
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-tertiary);
    transition: color 0.15s, background 0.15s;
}

.rh-edit-btn svg,
.rh-delete-btn svg {
    width: 13px;
    height: 13px;
}

.rh-edit-btn:hover {
    color: var(--accent-primary);
    background: var(--bg-hover);
}

.rh-delete-btn:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.08);
}

.rh-entry-edit {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.5rem 0.65rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.rh-entry-edit .form-input {
    font-size: 0.8rem;
    padding: 0.3rem 0.45rem;
    flex: 1;
    min-width: 80px;
}

.rh-edit-actions {
    display: flex;
    gap: 0.35rem;
    align-items: center;
    width: 100%;
}

/* Add entry form */
.rh-add-form {
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
    margin-top: 0.25rem;
}

.rh-add-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: flex-end;
}

.rh-add-row .time-input-group {
    flex: 1;
    min-width: 110px;
}

.rh-add-btn {
    align-self: flex-end;
    white-space: nowrap;
}

.hidden {
    display: none !important;
}

.card-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.sidebar-section h4 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    margin-bottom: 0.5rem;
}

.label-picker {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.label-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-primary);
    transition: background var(--transition-fast);
}

.label-option:hover {
    background: var(--bg-hover);
}

.label-option.selected {
    background: var(--bg-tertiary);
}

.label-color {
    width: 16px;
    height: 16px;
    border-radius: var(--radius-sm);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    transition: all var(--transition-fast);
}

.action-btn:hover {
    background: var(--bg-hover);
}

.action-btn.danger:hover {
    background: var(--error);
    color: var(--text-inverse);
}

.action-btn svg {
    width: 16px;
    height: 16px;
}

/* Search Modal */
.search-modal {
    width: 100%;
    max-width: 600px;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.search-input-wrapper svg {
    width: 20px;
    height: 20px;
    color: var(--text-tertiary);
}

.search-input-wrapper input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    font-size: 1rem;
    color: var(--text-primary);
}

.search-input-wrapper input::placeholder {
    color: var(--text-tertiary);
}

.search-input-wrapper kbd {
    padding: 0.25rem 0.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
}

.search-results {
    max-height: 400px;
    overflow-y: auto;
}

.search-empty {
    padding: 2rem;
    text-align: center;
    color: var(--text-tertiary);
}

.search-result-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.search-result-item:hover {
    background: var(--bg-hover);
}

.search-result-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
}

.search-result-icon svg {
    width: 20px;
    height: 20px;
}

.search-result-content {
    flex: 1;
}

.search-result-title {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.search-result-meta {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Form Elements */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: var(--bg-secondary);
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

.color-picker {
    display: flex;
    gap: 0.5rem;
}

.color-option {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: 3px solid transparent;
    transition: all var(--transition-fast);
}

.color-option:hover {
    transform: scale(1.1);
}

.color-option.selected {
    border-color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--text-inverse);
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--bg-hover);
}

.btn-icon {
    padding: 0.5rem;
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
}

.btn-icon:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-icon svg {
    width: 20px;
    height: 20px;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 300;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 300px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.hiding {
    animation: slideOut 0.3s ease forwards;
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }

    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.toast-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.toast.success .toast-icon {
    color: var(--success);
}

.toast.error .toast-icon {
    color: var(--error);
}

.toast.warning .toast-icon {
    color: var(--warning);
}

.toast.info .toast-icon {
    color: var(--info);
}

.toast-message {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.toast-close {
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

.toast-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.toast-close svg {
    width: 16px;
    height: 16px;
}

/* Mobile navigation drawer */
.mobile-nav-overlay {
    position: fixed;
    inset: 0;
    z-index: 250;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-drawer {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(92vw, 360px);
    background: var(--bg-secondary);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: calc(1rem + var(--safe-top)) 1rem calc(1rem + var(--safe-bottom));
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
}

.mobile-nav-overlay.active .mobile-nav-drawer {
    transform: translateX(0);
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mobile-nav-header h2 {
    font-size: 1.125rem;
    font-weight: 700;
}

.mobile-nav-current {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.25rem 0.75rem;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
}

.mobile-nav-current-label {
    color: var(--text-tertiary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.mobile-nav-current-value {
    font-weight: 600;
    color: var(--text-primary);
}

.mobile-nav-section h3 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    margin-bottom: 0.5rem;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
    max-height: 180px;
    overflow-y: auto;
}

.mobile-nav-list .board-list-item {
    border-radius: var(--radius-md);
}

.mobile-nav-action {
    width: 100%;
}

.mobile-nav-manage {
    margin-top: auto;
    width: 100%;
}

.mobile-quick-create {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.mobile-quick-create.hidden {
    display: none;
}

.mobile-quick-create-actions {
    display: flex;
    gap: 0.5rem;
}

/* PM mobile sidebar drawer */
.pm-back-btn {
    display: none;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    padding: 0.5rem 0;
    font-weight: 600;
    color: var(--accent-primary);
}

.pm-back-btn svg {
    width: 18px;
    height: 18px;
}

.pm-sidebar-toggle {
    display: none;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 0.6rem 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
}

.pm-sidebar-toggle svg {
    width: 18px;
    height: 18px;
}

.pm-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    top: calc(var(--header-height) + var(--safe-top));
    background: rgba(0, 0, 0, 0.4);
    z-index: 140;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.pm-sidebar-backdrop.active {
    opacity: 1;
    visibility: visible;
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-nav-btn {
        display: flex;
    }

    .header-center {
        display: none !important;
    }

    .header {
        padding-left: calc(0.75rem + var(--safe-left));
        padding-right: calc(0.75rem + var(--safe-right));
    }

    .logo-text {
        font-size: 1.05rem;
    }

    .board {
        padding: 0.75rem;
        min-height: calc(100vh - var(--header-height) - var(--safe-top));
    }

    .list {
        width: min(280px, 82vw);
    }

    .list-menu-btn {
        width: 44px;
        height: 44px;
    }

    .card-modal-body {
        grid-template-columns: 1fr;
    }

    .card-sidebar {
        order: -1;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .sidebar-section {
        flex: 1;
        min-width: 150px;
    }

    .modal-overlay {
        padding: 0.75rem;
        align-items: flex-end;
    }

    .modal,
    .modal-lg {
        max-height: 92vh;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
    }

    .project-management-screen {
        padding-top: calc(var(--header-height) + var(--safe-top));
    }

    .pm-container {
        height: calc(100vh - var(--header-height) - var(--safe-top));
    }

    .pm-back-btn {
        display: inline-flex;
    }

    .pm-sidebar-toggle {
        display: inline-flex;
    }

    .pm-sidebar-backdrop {
        display: block;
    }

    .pm-sidebar {
        position: fixed;
        top: calc(var(--header-height) + var(--safe-top));
        left: 0;
        bottom: 0;
        z-index: 150;
        width: min(88vw, 300px);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        box-shadow: var(--shadow-xl);
    }

    .pm-sidebar.open {
        transform: translateX(0);
    }

    .pm-content {
        padding: 1rem;
        width: 100%;
    }

    .pm-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .burndown-panel,
    .burndown-panel.mobile-sheet {
        left: 0 !important;
        right: 0 !important;
        top: auto !important;
        bottom: 0 !important;
        width: auto !important;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        padding-bottom: var(--safe-bottom);
    }

    .burndown-panel:not(.collapsed) {
        max-height: min(45vh, 360px);
    }

    .burndown-chart-container {
        max-height: 200px;
    }
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    10%,
    30%,
    50%,
    70%,
    90% {
        transform: translateX(-4px);
    }

    20%,
    40%,
    60%,
    80% {
        transform: translateX(4px);
    }
}

.shake {
    animation: shake 0.5s ease;
}

/* ===============================
   AUTHENTICATION STYLES
   =============================== */

/* Loading Screen */
.loading-screen {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.loading-logo .logo-icon {
    width: 48px;
    height: 48px;
    color: white;
}

.loading-logo span {
    font-size: 2rem;
    font-weight: 700;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-content p {
    font-size: 1rem;
    opacity: 0.9;
}

/* Auth Screen */
.auth-screen {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    z-index: 900;
    overflow-y: auto;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.auth-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.auth-container {
    width: 100%;
    max-width: 420px;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
    color: white;
}

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.auth-logo .logo-icon {
    width: 40px;
    height: 40px;
    color: white;
}

.auth-logo span {
    font-size: 1.75rem;
    font-weight: 700;
}

.auth-tagline {
    font-size: 1rem;
    opacity: 0.9;
}

/* Auth Card */
.auth-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.auth-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.auth-tab {
    flex: 1;
    padding: 1rem;
    font-weight: 600;
    color: var(--text-tertiary);
    background: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.auth-tab:hover {
    color: var(--text-secondary);
}

.auth-tab.active {
    color: var(--accent-primary);
}

.auth-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-primary);
}

/* Auth Forms */
.auth-form {
    padding: 1.5rem;
}

.auth-form.hidden {
    display: none;
}

.auth-form .form-group {
    margin-bottom: 1rem;
}

.auth-form .form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.auth-form .form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.auth-form .form-input:focus {
    outline: none;
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
}

.auth-form .form-input::placeholder {
    color: var(--text-tertiary);
}

.btn-block {
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    position: relative;
}

.btn-block span {
    transition: opacity 0.2s ease;
}

.btn-block.loading span {
    opacity: 0;
}

.btn-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    opacity: 0;
    animation: spin 1s linear infinite;
}

.btn-block.loading .btn-loader {
    opacity: 1;
}

.auth-link {
    display: block;
    text-align: center;
    margin-top: 1rem;
    color: var(--accent-primary);
    font-size: 0.875rem;
    text-decoration: none;
    transition: color var(--transition-base);
}

.auth-link:hover {
    color: var(--accent-secondary);
}

.auth-reset-info {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

/* Auth Divider */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 1.5rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.auth-divider span {
    color: var(--text-tertiary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Social Auth */
.social-auth {
    display: flex;
    gap: 0.75rem;
    padding: 1.5rem;
    padding-top: 1rem;
}

.social-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.social-btn:hover {
    background: var(--bg-hover);
    border-color: var(--text-tertiary);
}

.social-btn svg {
    width: 20px;
    height: 20px;
}

.google-btn:hover {
    border-color: #4285F4;
    background: rgba(66, 133, 244, 0.1);
}

.github-btn:hover {
    border-color: #333;
}

[data-theme="dark"] .github-btn:hover {
    border-color: #fff;
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.75rem;
    margin-top: 1.5rem;
}

.auth-footer a {
    color: white;
    text-decoration: underline;
}

/* User Menu */
.user-menu {
    position: fixed;
    top: 68px;
    right: 1.5rem;
    width: 280px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 150;
}

.user-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
}

.user-menu-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    overflow: hidden;
}

.user-menu-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-menu-info {
    flex: 1;
    min-width: 0;
}

.user-menu-name {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-menu-email {
    display: block;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-menu-divider {
    height: 1px;
    background: var(--border-color);
}

.user-menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.875rem 1rem;
    color: var(--text-primary);
    font-weight: 500;
    text-align: left;
    transition: background var(--transition-fast);
}

.user-menu-item:hover {
    background: var(--bg-hover);
}

.user-menu-item svg {
    width: 18px;
    height: 18px;
    color: var(--text-tertiary);
}

/* Update user avatar in header to be clickable */
.user-avatar {
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    overflow: hidden;
}

.user-avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 0 0 3px var(--accent-primary);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Hide elements when not authenticated */
.header.hidden,
.board-container.hidden {
    display: none;
}

/* Responsive Auth */
@media (max-width: 480px) {
    .auth-container {
        max-width: 100%;
    }

    .auth-card {
        border-radius: var(--radius-lg);
    }

    .auth-form {
        padding: 1.25rem;
    }

    .social-auth {
        flex-direction: column;
    }

    .social-btn {
        padding: 0.875rem 1rem;
    }
}

/* Project Info Button */
.project-info-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-left: 0.5rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.project-info-btn:hover {
    background: var(--bg-hover);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: scale(1.05);
}

.project-info-btn svg {
    width: 20px;
    height: 20px;
}

/* Project Info Modal */
.project-modal-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.project-modal-title svg {
    width: 24px;
    height: 24px;
    color: var(--accent-primary);
}

.project-modal-title h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.project-info-body {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Project Details Section */
.project-details-section {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.25rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
}

.project-header-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.project-color-preview {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
}

.project-info-text h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.project-stats {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.project-owner-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.owner-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
}

.owner-details {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.owner-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
    overflow: hidden;
}

.owner-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.owner-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Team Section */
.team-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.team-header h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.team-header h4 svg {
    width: 18px;
    height: 18px;
    color: var(--text-tertiary);
}

.team-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 0.5rem;
    background: var(--accent-primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.25rem;
}

/* Invite Member Form */
.invite-member-form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.invite-input-wrapper {
    display: flex;
    gap: 0.75rem;
}

.invite-input-wrapper .form-input {
    flex: 1;
}

.btn-invite {
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.btn-invite svg {
    width: 16px;
    height: 16px;
}

.invite-hint {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Invite Link Section */
.invite-link-section {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--border-color);
}

.invite-link-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.invite-link-header svg {
    width: 18px;
    height: 18px;
    color: var(--accent-primary);
}

.invite-link-description {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    line-height: 1.4;
}

.invite-link-wrapper {
    display: flex;
    gap: 0.5rem;
}

.invite-link-input {
    flex: 1;
    font-family: monospace;
    font-size: 0.8rem;
    background: var(--bg-secondary);
    cursor: text;
    user-select: all;
}

.btn-copy-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    white-space: nowrap;
}

.btn-copy-link svg {
    width: 16px;
    height: 16px;
}

.btn-copy-link svg.hidden {
    display: none;
}

.btn-copy-link.copied {
    background: var(--success);
}

.btn-regenerate {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    width: fit-content;
}

.btn-regenerate svg {
    width: 14px;
    height: 14px;
}

/* Team Members List */
.team-members-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 280px;
    overflow-y: auto;
}

.team-members-list::-webkit-scrollbar {
    width: 6px;
}

.team-members-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

.team-member-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.team-member-item:hover {
    background: var(--bg-hover);
}

.member-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    flex-shrink: 0;
    overflow: hidden;
}

.member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-info {
    flex: 1;
    min-width: 0;
}

.member-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.member-email {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.member-role {
    display: inline-flex;
    padding: 0.25rem 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.member-role.owner {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.member-role.pending {
    background: var(--warning);
    border-color: var(--warning);
    color: white;
}

.member-actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.member-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
    opacity: 0;
}

.team-member-item:hover .member-action-btn {
    opacity: 1;
}

.member-action-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.member-action-btn.danger:hover {
    background: var(--error);
    color: white;
}

.member-action-btn svg {
    width: 16px;
    height: 16px;
}

/* Empty Team State */
.team-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    color: var(--text-tertiary);
}

.team-empty-state svg {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.team-empty-state p {
    font-size: 0.875rem;
}

/* Responsive adjustments for Project Info Modal */
@media (max-width: 640px) {
    .project-details-section {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .project-owner-info {
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
    }

    .invite-input-wrapper {
        flex-direction: column;
    }

    .btn-invite {
        width: 100%;
        justify-content: center;
    }
}

/* List Hour Badges */
.list-badges {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-shrink: 0;
    margin-left: auto;
}

.list-hour-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.125rem;
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-full);
    font-size: 0.65rem;
    font-weight: 600;
    white-space: nowrap;
}

.list-hour-badge svg {
    width: 10px;
    height: 10px;
    flex-shrink: 0;
}

.list-hour-badge.estimate {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
    color: var(--accent-primary);
}

.list-hour-badge.remaining {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, rgba(16, 185, 129, 0.15) 100%);
    color: var(--success);
}

[data-theme="dark"] .list-hour-badge.estimate {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.25) 0%, rgba(139, 92, 246, 0.25) 100%);
}

[data-theme="dark"] .list-hour-badge.remaining {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.25) 0%, rgba(16, 185, 129, 0.25) 100%);
}

/* Time Tracking Inputs */
.time-tracking-inputs {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Time Tracking Row (card modal — estimate + remaining + datetime in one row) */
.time-tracking-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: flex-end;
}

.time-tracking-row .time-input-group {
    flex: 1;
    min-width: 100px;
}

.time-tracking-row .rh-add-btn {
    align-self: flex-end;
    white-space: nowrap;
}

/* History toggle link */
.rh-history-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 0.6rem;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 0.78rem;
    color: var(--text-tertiary);
    transition: color 0.15s;
}

.rh-history-toggle svg {
    width: 13px;
    height: 13px;
    transition: transform 0.2s;
}

.rh-history-toggle.open svg {
    transform: rotate(180deg);
}

.rh-history-toggle:hover {
    color: var(--accent-primary);
}

/* History panel */
.rh-history-panel {
    margin-top: 0.75rem;
}

.time-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.time-input-group label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-tertiary);
}

.time-input-group .form-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
}

/* Card Time Badge */
.card-time-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
}

.card-time-badge svg {
    width: 10px;
    height: 10px;
}

.card-time-badge.has-remaining {
    color: var(--warning);
    background: rgba(245, 158, 11, 0.1);
}

.card-time-badge.complete {
    color: var(--success);
    background: rgba(34, 197, 94, 0.1);
}

/* Burndown Panel */
.burndown-panel.hidden {
    display: none;
}

.burndown-panel {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 320px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 90;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.burndown-panel.collapsed {
    height: auto;
}

.burndown-panel.dragging {
    opacity: 0.92;
    box-shadow: var(--shadow-xl), 0 0 0 2px rgba(99, 102, 241, 0.25);
}

.burndown-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    cursor: grab;
    touch-action: none;
    user-select: none;
    background: var(--bg-secondary);
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.burndown-panel:not(.collapsed) .burndown-header {
    border-bottom-color: var(--border-color);
}

.burndown-info {
    display: flex;
    flex-direction: column;
}

.burndown-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.burndown-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1.2;
}

.burndown-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all 0.2s;
}

.burndown-toggle svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s;
}

.burndown-panel.collapsed .burndown-toggle svg {
    transform: rotate(180deg);
}

.burndown-chart-container {
    padding: 1rem;
    height: 240px;
    background: var(--bg-primary);
    transition: all 0.3s ease;
}

.burndown-panel.collapsed .burndown-chart-container {
    height: 0;
    padding-top: 0;
    padding-bottom: 0;
    opacity: 0;
    pointer-events: none;
}

/* Empty State */
.empty-state {
    margin: auto;
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.5rem;
    font-weight: 600;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* =========================================
   Project Management Screen
   ========================================= */

.project-management-screen {
    padding-top: calc(var(--header-height) + var(--safe-top));
    min-height: 100vh;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
}

.project-management-screen.hidden {
    display: none;
}

.pm-container {
    display: flex;
    flex: 1;
    height: calc(100vh - var(--header-height) - var(--safe-top));
}

/* Sidebar */
.pm-sidebar {
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.pm-sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pm-sidebar-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.pm-project-list {
    list-style: none;
    padding: 1rem;
    overflow-y: auto;
    flex: 1;
}

.pm-project-item {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    margin-bottom: 0.25rem;
    transition: background var(--transition-fast);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pm-project-item:hover {
    background: var(--bg-hover);
}

.pm-project-item.active {
    background: var(--accent-primary);
    color: var(--text-inverse);
}

/* Content Area */
.pm-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    position: relative;
    background: var(--bg-primary);
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: var(--text-tertiary);
}

.empty-state-icon svg {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
    color: var(--border-color);
}

/* Project Details */
.pm-project-details.hidden {
    display: none;
}

.pm-header {
    margin-bottom: 2rem;
}

.pm-title-section {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.pm-title-section h2 {
    font-size: 1.75rem;
    font-weight: 700;
}

.pm-tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1px;
}

.pm-tab {
    padding: 0.75rem 1.5rem;
    border: none;
    background: none;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.pm-tab:hover {
    color: var(--text-primary);
}

.pm-tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.pm-tab-pane {
    display: none;
}

.pm-tab-pane.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pm-pane-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.pm-pane-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.pm-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* Sprint Item */
.pm-sprint-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-fast);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.pm-sprint-item:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.pm-sprint-color-strip {
    height: 6px;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.pm-sprint-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    margin-top: 0.5rem;
}

.pm-sprint-dates {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Backlog */
.backlog-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.backlog-input-container input {
    flex: 1;
}

.backlog-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.backlog-item {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.backlog-item-actions {
    display: flex;
    gap: 0.5rem;
}

/* Team in PM */
.pm-team-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pm-team-member {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.pm-team-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.empty-state.hidden {
    display: none !important;
}
/* ================================
   PHASE 2 — NEW STYLES
   ================================ */

/* Form layout helpers */
.form-row {
    display: flex;
    gap: 1rem;
}
.form-row .form-group {
    flex: 1;
}
.label-optional {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 400;
}

/* Sprint Info Bar */
.sprint-info-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1.25rem;
    background: rgba(0,0,0,0.15);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    gap: 1rem;
    flex-shrink: 0;
}
.sprint-info-bar.hidden { display: none; }
.sprint-info-content {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.9);
    flex-wrap: wrap;
}
.sprint-goal-text { font-weight: 500; }
.sprint-dates-text { opacity: 0.8; }

.sprint-duration-hint {
    margin: 0.25rem 0 0;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    min-height: 1.2em;
}

.dropdown-quick-create {
    padding: 0.75rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.dropdown-quick-create.hidden { display: none; }
.dropdown-quick-create-actions {
    display: flex;
    gap: 0.5rem;
}
.dropdown-empty-hint {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* PM sidebar add-project form */
.pm-add-project-form {
    padding: 0.75rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}
.pm-add-project-form.hidden { display: none; }

/* PM project description */
.pm-project-desc { margin: 0.25rem 0 0.5rem 0; min-height: 1.2em; }

/* PM edit project form */
.pm-edit-project-form { padding: 0.5rem 0; }
.pm-edit-project-form.hidden { display: none; }

/* PM sprint enhancements */
.pm-sprint-goal {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
    font-style: italic;
}
.pm-sprint-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}
.pm-sprint-info {
    flex: 1;
}
.pm-sprint-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}
.pm-sprint-item.active-sprint {
    border-left: 3px solid var(--accent-primary);
}
.badge-active {
    display: inline-block;
    font-size: 0.7rem;
    background: var(--accent-primary);
    color: white;
    padding: 0.1em 0.4em;
    border-radius: var(--radius-full);
    margin-left: 0.4rem;
    vertical-align: middle;
}
.pm-empty-hint {
    padding: 1.5rem;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* Backlog enhancements */
.backlog-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
    gap: 0.75rem;
}
.backlog-item.in-sprint {
    border-color: var(--accent-primary);
    opacity: 0.85;
}
.backlog-item-body { flex: 1; min-width: 0; }
.backlog-item-title-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.backlog-item-title {
    font-size: 0.875rem;
    color: var(--text-primary);
    word-break: break-word;
}
.backlog-sprint-badge {
    display: inline-block;
    font-size: 0.7rem;
    background: var(--accent-primary);
    color: white;
    padding: 0.1em 0.5em;
    border-radius: var(--radius-full);
    white-space: nowrap;
}
.backlog-item-date {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 0.25rem;
}
.backlog-item-actions {
    display: flex;
    gap: 0.25rem;
    align-items: center;
    flex-shrink: 0;
}

/* Sprint Picker Modal */
.sprint-picker-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.sprint-picker-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: background var(--transition-fast), border-color var(--transition-fast);
    text-align: left;
    width: 100%;
}
.sprint-picker-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
}
.sprint-picker-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Role badges */
.role-badge {
    display: inline-block;
    font-size: 0.7rem;
    padding: 0.1em 0.4em;
    border-radius: var(--radius-full);
    margin-left: 0.3rem;
    vertical-align: middle;
    font-weight: 600;
}
.role-badge.owner { background: var(--accent-primary); color: white; }
.role-badge.admin { background: var(--warning); color: white; }
.role-badge.member { background: var(--bg-tertiary); color: var(--text-secondary); border: 1px solid var(--border-color); }

.card-assignee.unknown {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    font-size: 0.75rem;
}

.card-assignee-preview {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    min-height: 1.75rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}
.assignee-preview-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}
.assignee-preview-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.assignee-none { font-style: italic; color: var(--text-tertiary); }
.assignee-unknown { color: var(--warning); font-style: italic; }

/* Board container flex column so info bar stacks above board */
.board-container {
    display: flex;
    flex-direction: column;
}

/* Team tab inline add-member form */
.pm-add-member-form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin: 0.5rem 0;
}
.pm-add-member-form.hidden { display: none; }
.pm-add-member-form input {
    flex: 1;
    padding: 0.45rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
}
.pm-add-member-form input:focus {
    outline: none;
    border-color: var(--border-focus);
}

/* ================================
   Phase 3: Assignee avatar on cards
   ================================ */
.card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}
.card-meta-left {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex: 1;
    flex-wrap: wrap;
}
.card-meta-right {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-left: auto;
    flex-shrink: 0;
}
.card-assignee {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--accent-primary);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-secondary);
    overflow: hidden;
    flex-shrink: 0;
}
.card-assignee img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ================================
   Phase 3: Role promotion + PM member actions
   ================================ */
.pm-team-member {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-md);
    transition: background var(--transition-base);
}
.pm-team-member:hover { background: var(--bg-tertiary); }
.pm-team-info { display: flex; align-items: center; gap: 0.6rem; flex: 1; min-width: 0; }
.pm-member-actions { display: flex; align-items: center; gap: 0.4rem; flex-shrink: 0; }

/* ================================
   Phase 3: Invite link section in Team tab
   ================================ */
.pm-invite-section {
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}
.pm-invite-section.hidden { display: none; }
.pm-invite-section::before {
    content: '🔗 Invite Link';
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.pm-invite-row {
    display: flex;
    gap: 0.4rem;
    align-items: center;
}
.pm-invite-row .form-input {
    flex: 1;
    font-size: 0.75rem;
    padding: 0.35rem 0.6rem;
    color: var(--text-secondary);
    cursor: text;
}

/* ================================
   Phase 4: Time Summary Bar
   ================================ */
.time-summary-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.9rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
}
.time-summary-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.1rem;
}
.time-summary-label {
    font-size: 0.68rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.time-summary-value {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1rem;
}
.time-summary-value.spent { color: var(--info); }
.time-summary-value.remaining { color: var(--warning); }
.time-summary-sep {
    color: var(--text-tertiary);
    font-size: 0.85rem;
    padding: 0 0.1rem;
}

/* Spent row styling */
.spent-row { background: rgba(59, 130, 246, 0.05); border-radius: var(--radius-sm); padding: 0.5rem; }
.btn-success {
    background: var(--success);
    color: white;
    border: none;
}
.btn-success:hover { filter: brightness(1.1); }

/* Spent hours on card */
.meta-spent { color: var(--info); font-weight: 600; }

.card-meta-item.over-budget,
.time-summary-value.spent.over-budget {
    color: var(--warning);
}

.card-meta-item.time-remaining {
    color: var(--accent-primary);
    font-weight: 600;
}

.card-meta-item.time-spent {
    color: var(--text-secondary);
}

.time-tab-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 0.5rem;
    padding: 0.1rem 0.45rem;
    border-radius: 999px;
    background: rgba(99, 102, 241, 0.12);
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 700;
    vertical-align: middle;
}

/* Spent log section header */
.rh-section-header {
    display: flex;
    align-items: center;
    padding: 0.5rem 0;
    margin-top: 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
}
.sh-hours { color: var(--info) !important; }
.rh-entry-note {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-style: italic;
    flex: 1;
}

/* ================================
   Phase 5: Burndown chart enhancements
   ================================ */
.burndown-assignee-filter {
    font-size: 0.7rem;
    padding: 0.2rem 0.35rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    max-width: 110px;
}

.burndown-empty-hint {
    padding: 0 1rem 0.5rem;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-align: center;
}

.burndown-empty-hint.hidden {
    display: none;
}

.attachments-drop-hint {
    margin: 0 0 0.5rem;
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.attachments-section.attachments-drag-over {
    outline: 2px dashed var(--accent-primary);
    outline-offset: 4px;
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--accent-primary) 8%, transparent);
}

.attachments-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.attachments-empty {
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

.attachment-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
}

.attachment-thumb-btn {
    display: inline-flex;
    padding: 0;
    border: none;
    background: none;
    cursor: zoom-in;
    border-radius: var(--radius-sm);
}

.attachment-thumb-btn:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.attachment-thumb {
    width: 36px;
    height: 36px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    display: block;
}

.attachment-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.82);
}

.attachment-lightbox.hidden {
    display: none;
}

.attachment-lightbox-img {
    max-width: min(92vw, 960px);
    max-height: 78vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.attachment-lightbox-caption {
    color: #fff;
    font-size: 0.9rem;
    opacity: 0.9;
}

.attachment-lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
}

.attachment-lightbox-close:hover {
    background: rgba(255, 255, 255, 0.25);
}

.attachment-file-icon {
    width: 36px;
    text-align: center;
}

.attachment-name {
    flex: 1;
    font-size: 0.85rem;
    color: var(--accent-primary);
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.attachment-delete-btn {
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    font-size: 1.1rem;
    cursor: pointer;
    line-height: 1;
}

.attachment-delete-btn:hover {
    color: var(--error);
}

.attachment-upload-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.attachment-file-input {
    display: none;
}

.attachment-upload-progress {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.attachment-upload-progress.hidden {
    display: none;
}

.pm-labels-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pm-label-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
}

.pm-label-view,
.pm-label-edit-form {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.pm-label-edit-form.hidden,
.pm-label-view.hidden {
    display: none;
}

.pm-label-edit-form input[type="text"] {
    flex: 1;
    min-width: 120px;
}

.pm-label-edit-form input[type="color"] {
    width: 40px;
    height: 32px;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.pm-label-swatch {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.pm-label-name {
    font-weight: 600;
    flex: 1;
}

.pm-label-id {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.pm-add-label-form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.pm-add-label-form.hidden {
    display: none;
}

.burndown-controls {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}
.burndown-view-btn {
    padding: 0.2rem 0.6rem;
    font-size: 0.72rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
}
.burndown-view-btn.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}
.burndown-view-btn:hover:not(.active) { background: var(--bg-hover); }
.burndown-filter-subtitle {
    display: block;
    width: 100%;
    margin-top: 0.15rem;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.burndown-filter-subtitle.hidden {
    display: none;
}

.burndown-spent-label {
    font-size: 0.72rem;
    color: var(--text-tertiary);
    margin-left: 0.25rem;
}

/* ================================
   Delete project confirmation
   ================================ */
.pm-delete-confirm {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    padding: 0.65rem 0.9rem;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-md);
    margin: 0.5rem 0;
    font-size: 0.85rem;
    color: var(--text-primary);
}
.pm-delete-confirm.hidden { display: none; }
.pm-delete-confirm span { flex: 1; min-width: 0; }
.btn-danger {
    background: var(--error);
    color: white;
    border: none;
}

/* ================================
   STORY-TASK HIERARCHY (BACKLOG)
   ================================ */

.story-group {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 0.625rem;
    background: var(--bg-secondary);
    overflow: hidden;
}

.story-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    user-select: none;
}

.story-collapse-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.story-collapse-btn svg {
    transition: transform var(--transition-fast);
}

.story-collapse-btn.collapsed svg {
    transform: rotate(-90deg);
}

.story-type-icon {
    color: var(--accent-primary);
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.story-title-wrap {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    overflow: hidden;
}

.story-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex-shrink: 1;
}

.story-title:hover {
    color: var(--accent-primary);
}

.story-title-edit-input {
    flex: 1;
    font-size: 0.875rem;
    padding: 0.125rem 0.375rem;
    min-width: 0;
}

.story-progress {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    flex-shrink: 0;
}

.story-progress.all-done {
    color: var(--success);
    font-weight: 600;
}

.backlog-date {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    flex-shrink: 0;
}

.story-actions {
    display: flex;
    align-items: center;
    gap: 0.2rem;
    flex-shrink: 0;
}

.story-tasks.collapsed {
    display: none;
}

.backlog-task {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3125rem 0.75rem 0.3125rem 2.25rem;
    border-top: 1px solid var(--border-color);
    transition: background var(--transition-fast);
}

.backlog-task:hover {
    background: var(--bg-hover);
}

.backlog-task.in-sprint {
    opacity: 0.75;
}

.task-icon {
    color: var(--text-tertiary);
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.task-title-wrap {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    overflow: hidden;
}

.task-title {
    font-size: 0.8125rem;
    color: var(--text-primary);
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex-shrink: 1;
}

.task-title:hover {
    color: var(--accent-primary);
}

.task-title-edit-input {
    flex: 1;
    font-size: 0.8125rem;
    padding: 0.125rem 0.375rem;
    min-width: 0;
}

.task-actions {
    display: flex;
    align-items: center;
    gap: 0.2rem;
    flex-shrink: 0;
}

.story-add-task-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    padding: 0.375rem 0.75rem 0.375rem 2.25rem;
    border-top: 1px dashed var(--border-color);
    background: var(--bg-primary);
}

.story-add-task-input {
    flex: 1;
    font-size: 0.8125rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    outline: none;
}

.story-add-task-input:focus {
    border-color: var(--border-focus);
}

/* Orphan / unlinked tasks */
.orphan-tasks-section {
    margin-top: 1rem;
}

.orphan-tasks-header {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
}

.orphan-tasks-section .backlog-task {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-bottom: 0.375rem;
    padding-left: 0.75rem;
    background: var(--bg-secondary);
}

/* Story badge on sprint cards */
.card-story-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.12);
    padding: 0.125rem 0.4375rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.3125rem;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Card modal story sidebar section */
.card-story-link {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.4375rem 0.625rem;
    border-radius: var(--radius-sm);
    background: rgba(99, 102, 241, 0.08);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--accent-primary);
    border: 1px solid rgba(99, 102, 241, 0.2);
    word-break: break-word;
}

.card-story-none {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    font-style: italic;
}
.btn-danger:hover { filter: brightness(1.1); }

/* Card comments */
.comments-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}
.comments-section-header h3 {
    margin: 0;
}
.comments-list {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    margin-bottom: 0.75rem;
}
.comment-item {
    padding: 0.625rem 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}
.comment-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.375rem;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}
.comment-author {
    font-weight: 600;
    color: var(--text-secondary);
}
.comment-content {
    font-size: 0.875rem;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-word;
}
.comment-delete-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: var(--text-tertiary);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}
.comment-delete-btn:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}
.comments-empty {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    font-style: italic;
    padding: 0.5rem 0;
}
.add-comment {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.comment-input {
    resize: vertical;
    min-height: 3rem;
}