/* ============================================================================
   Theme Day Planer App Styles
   ============================================================================ */

body {
    min-height: 100vh;
}

/* ============================================================================
   Auth Pages
   ============================================================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    background: var(--bg-primary);
}

.auth-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    min-height: 100vh;
}

.auth-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-16);
    max-width: 480px;
    margin: 0 auto;
}

.auth-header {
    margin-bottom: var(--space-10);
}

.auth-header .logo {
    margin-bottom: var(--space-8);
}

.auth-header h1 {
    margin-bottom: var(--space-2);
}

.auth-header p {
    font-size: 1.0625rem;
}

.auth-form {
    margin-bottom: var(--space-6);
}

.auth-footer {
    text-align: center;
    color: var(--text-secondary);
}

.auth-footer a {
    font-weight: 500;
}

/* Auth visual side */
.auth-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-subtle);
    padding: var(--space-16);
    position: relative;
    overflow: hidden;
}

.auth-visual::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    transform: translate(-50%, -50%);
    background: var(--gradient-glow);
    pointer-events: none;
}

.floating-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    position: relative;
    z-index: 1;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    animation: float 6s ease-in-out infinite;
}

.stat-card:nth-child(1) { animation-delay: 0s; }
.stat-card:nth-child(2) { animation-delay: 0.5s; }
.stat-card:nth-child(3) { animation-delay: 1s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.stat-icon {
    font-size: 1.5rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.features-preview {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    position: relative;
    z-index: 1;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

.feature-icon {
    font-size: 1.5rem;
}

.feature-text {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* ============================================================================
   App Layout (Dashboard, etc.)
   ============================================================================ */
.app-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-subtle);
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--electric-purple-muted);
    color: var(--electric-purple);
}

.nav-item.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Project Selector */
.sidebar-section {
    padding: var(--space-4);
    border-top: 1px solid var(--border-subtle);
}

.sidebar-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2);
}

.sidebar-section-title {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
}

.project-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.project-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.project-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.project-item.active {
    background: var(--electric-purple-muted);
    color: var(--electric-purple);
}

.project-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.project-name {
    font-size: 0.875rem;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.project-item-actions {
    display: flex;
    align-items: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
    flex-shrink: 0;
}

.project-item:hover .project-item-actions {
    opacity: 1;
}

.project-edit-btn {
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    font-size: 0.8125rem;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: var(--radius-sm);
    line-height: 1;
    transition: color var(--transition-fast), background var(--transition-fast);
}

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

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    font-size: 1.125rem;
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.sidebar-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.user-menu {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

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

.user-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

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

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

.logout-btn {
    padding: var(--space-2);
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.logout-btn:hover {
    background: var(--bg-hover);
    color: var(--color-danger);
}

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

/* Main Content */
.main-content {
    padding: var(--space-8);
    overflow-y: auto;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-8);
}

.page-header h1 {
    margin-bottom: var(--space-1);
}

.page-header p {
    color: var(--text-secondary);
}

/* ============================================================================
   Calendar
   ============================================================================ */

/* Calendar Header */
.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    gap: var(--space-4);
    flex-wrap: wrap;
}

.calendar-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.calendar-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.calendar-actions {
    display: flex;
    gap: var(--space-2);
}

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: 0.8125rem;
}

/* Calendar Grid */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: auto 1fr;
    gap: 1px;
    background: var(--border-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: calc(100vh - 180px);
}

.calendar-day {
    background: var(--bg-primary);
    display: grid;
    grid-template-rows: subgrid;
    grid-row: span 2;
    min-width: 0;
}

.calendar-day--today {
    background: var(--bg-secondary);
}

/* Day Header */
.calendar-day-header {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
    padding: var(--space-3) var(--space-2);
    border-bottom: 1px solid var(--border-subtle);
}

.calendar-day-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
}

.calendar-day-name {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
}

.calendar-day-number {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
}

.calendar-day-number.today-badge {
    background: var(--electric-purple);
    color: #fff;
}

/* Special days in header */
.calendar-day-specials {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    margin-top: var(--space-1);
}

.header-special-day {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-2);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    cursor: pointer;
    position: relative;
}

.header-special-day:hover {
    background: var(--bg-hover);
}

.header-special-day:hover .card-delete {
    opacity: 1;
}

.header-special-day-title {
    flex: 1;
    min-width: 0;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.3;
}

/* Day Body */
.calendar-day-body {
    flex: 1;
    padding: var(--space-2);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

/* Special Day Cards */
.special-day-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-2);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    position: relative;
}

.special-day-card .category-dot {
    margin-top: 3px;
}

.special-day-card:hover .card-delete {
    opacity: 1;
}

.category-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.special-day-title {
    flex: 1;
    min-width: 0;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.3;
}

/* Activity Cards */
.activity-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-2);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    position: relative;
}

.activity-card .activity-checkbox {
    margin-top: 1px;
}

.activity-card:hover .card-delete {
    opacity: 1;
}

.activity-card.activity-done {
    opacity: 0.6;
}

.activity-card.activity-done .activity-title {
    text-decoration: line-through;
}

.activity-checkbox {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    cursor: pointer;
}

.activity-checkbox input[type="checkbox"] {
    width: 14px;
    height: 14px;
    accent-color: var(--electric-purple);
    cursor: pointer;
}

.activity-checkbox .checkmark {
    display: none;
}

.activity-title {
    flex: 1;
    min-width: 0;
    color: var(--text-secondary);
    line-height: 1.3;
}

/* Global Special Day Cards */
.global-special-day-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-2);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    border-left: 3px solid transparent;
}

.global-special-day-card .category-dot {
    margin-top: 3px;
}

.global-badge {
    font-size: 0.625rem;
    padding: 1px var(--space-1);
    background: var(--bg-hover);
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    white-space: nowrap;
    flex-shrink: 0;
}

/* Card Delete Button */
.card-delete {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    font-size: 0.875rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    opacity: 0;
    transition: opacity var(--transition-fast), color var(--transition-fast);
    line-height: 1;
}

.card-delete:hover {
    color: var(--color-danger);
    background: var(--bg-hover);
}

/* View Toggle */
.view-toggle {
    display: flex;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.view-toggle .btn {
    border: none;
    border-radius: 0;
    border-right: 1px solid var(--border-subtle);
}

.view-toggle .btn:last-child {
    border-right: none;
}

.view-toggle .btn.active {
    background: var(--electric-purple-muted);
    color: var(--electric-purple);
}

/* Month View Grid */
.calendar-grid.month-view {
    grid-template-rows: none;
    min-height: auto;
}

.month-view .calendar-day {
    display: flex;
    flex-direction: column;
    grid-row: auto;
    min-height: 120px;
    padding: var(--space-2);
}

.month-view .calendar-day-header {
    border-bottom: none;
    padding: 0;
    margin-bottom: var(--space-1);
}

.month-view .calendar-day-date {
    flex-direction: row;
    justify-content: flex-start;
    gap: var(--space-2);
}

.month-view .calendar-day-number {
    font-size: 0.8125rem;
    width: 24px;
    height: 24px;
}

.month-view .calendar-day-name {
    display: none;
}

.month-view .calendar-day-specials {
    margin-top: 0;
}

.month-view .header-special-day {
    font-size: 0.625rem;
    padding: 1px var(--space-1);
}

.month-view .activity-card {
    font-size: 0.6875rem;
    padding: var(--space-1);
}

.month-view .calendar-day-body {
    padding: 0;
    gap: var(--space-1);
}

.month-view .calendar-day-add {
    padding-top: var(--space-1);
}

.month-view .btn-add-inline {
    font-size: 0.625rem;
    padding: 1px var(--space-1);
}

/* Month view outside days */
.calendar-day.calendar-day--outside {
    opacity: 0.4;
}

/* Month weekday header row */
.calendar-month-weekday-header {
    background: var(--bg-secondary);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    text-align: center;
    padding: var(--space-2);
    position: sticky;
    top: 0;
    z-index: 1;
}

/* Inline Add Buttons */
.calendar-day-add {
    display: flex;
    gap: var(--space-1);
    margin-top: auto;
    padding-top: var(--space-2);
}

.btn-add-inline {
    flex: 1;
    padding: var(--space-1) var(--space-2);
    background: transparent;
    border: 1px dashed var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    font-size: 0.6875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-add-inline:hover {
    border-color: var(--electric-purple);
    color: var(--electric-purple);
    background: var(--electric-purple-muted);
}

/* ============================================================================
   Modal
   ============================================================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 300;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    overflow-y: auto;
    padding: var(--space-8) var(--space-4);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.modal-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 640px;
    flex-shrink: 0;
    box-shadow: var(--shadow-lg);
    transform: translateY(10px);
    transition: transform var(--transition-base);
}

.modal-overlay.visible .modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border-subtle);
}

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

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    font-size: 1.25rem;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.modal-body {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.form-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding-top: var(--space-2);
}

.form-actions-right {
    display: flex;
    gap: var(--space-3);
    margin-left: auto;
}

/* ============================================================================
   Sets Modal
   ============================================================================ */
.set-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border-subtle);
}

.set-row:last-child {
    border-bottom: none;
}

.set-info {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-width: 0;
}

.set-info .category-dot {
    width: 10px;
    height: 10px;
    flex-shrink: 0;
}

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

.set-description {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 2px;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 22px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--bg-hover);
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background: var(--text-tertiary);
    border-radius: var(--radius-full);
    transition: transform var(--transition-fast), background var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--electric-purple-muted);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(18px);
    background: var(--electric-purple);
}

/* ============================================================================
   Detail Modal
   ============================================================================ */
.special-day-card,
.global-special-day-card,
.activity-card {
    cursor: pointer;
}

.detail-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.detail-meta .category-dot {
    width: 10px;
    height: 10px;
}

.detail-meta .global-badge {
    font-size: 0.75rem;
    padding: 2px var(--space-2);
}

.detail-status {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.detail-status-done {
    color: var(--electric-purple);
    font-weight: 500;
}

.detail-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    white-space: pre-wrap;
}

.detail-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    margin-bottom: var(--space-1);
}

.detail-activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.detail-activity-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.detail-activity-item .checkmark-icon {
    flex-shrink: 0;
    width: 14px;
    height: 14px;
    border: 1.5px solid var(--text-tertiary);
    border-radius: 3px;
}

.detail-activity-item.is-done .checkmark-icon {
    background: var(--electric-purple);
    border-color: var(--electric-purple);
}

.detail-activity-item.is-done {
    text-decoration: line-through;
    opacity: 0.7;
}

.detail-linked-day {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.detail-linked-day .category-dot {
    width: 10px;
    height: 10px;
}

.detail-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.detail-add-activity-btn {
    width: 100%;
    padding: var(--space-3);
    background: transparent;
    border: 1px solid var(--electric-purple);
    border-radius: var(--radius-md);
    color: var(--electric-purple);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.detail-add-activity-btn:hover {
    background: var(--electric-purple);
    color: #fff;
}

.detail-delete-btn {
    width: 100%;
    padding: var(--space-3);
    background: transparent;
    border: 1px solid var(--color-danger);
    border-radius: var(--radius-md);
    color: var(--color-danger);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.detail-delete-btn:hover {
    background: var(--color-danger);
    color: #fff;
}

/* ============================================================================
   Channel Chips (modal toggle buttons)
   ============================================================================ */
.channel-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.channel-chip {
    padding: var(--space-1) var(--space-3);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.channel-chip:hover {
    border-color: var(--electric-purple);
    color: var(--electric-purple);
}

.channel-chip.selected {
    background: var(--electric-purple);
    border-color: var(--electric-purple);
    color: #fff;
}

/* ============================================================================
   Channel Badges (on activity cards)
   ============================================================================ */
.channel-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    margin-top: 2px;
}

.channel-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 14px;
    padding: 0 3px;
    border-radius: 3px;
    font-size: 0.5625rem;
    font-weight: 700;
    color: #fff;
    line-height: 1;
}

/* ============================================================================
   Activity Content (wrapper for title + badges)
   ============================================================================ */
.activity-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

/* ============================================================================
   Link Rows (modal)
   ============================================================================ */
.link-row {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    align-items: center;
}

.link-row .link-url {
    flex: 2;
}

.link-row .link-label {
    flex: 1;
}

.link-row .btn-link-remove {
    flex-shrink: 0;
    padding: var(--space-1);
    font-size: 1rem;
    color: var(--text-tertiary);
}

.link-row .btn-link-remove:hover {
    color: var(--color-danger);
}

/* ============================================================================
   Subtask Rows (modal)
   ============================================================================ */
.subtask-row {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) 0;
    position: relative;
}

.subtask-row .subtask-done {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    accent-color: var(--electric-purple);
    cursor: pointer;
}

.subtask-row .subtask-title {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
    min-width: 0;
}

.subtask-row .subtask-title.subtask-strikethrough {
    text-decoration: line-through;
    color: var(--text-tertiary);
}

.subtask-row .btn-subtask-remove {
    flex-shrink: 0;
    padding: var(--space-1);
    font-size: 1rem;
    color: var(--text-tertiary);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.subtask-row:hover .btn-subtask-remove {
    opacity: 1;
}

.subtask-row .btn-subtask-remove:hover {
    color: var(--color-danger);
}

/* Subtask add row */
.subtask-add-row {
    display: flex;
    gap: var(--space-2);
    align-items: center;
    margin-top: var(--space-2);
}

.subtask-add-row .form-input {
    flex: 1;
}

.subtask-add-row .btn {
    flex-shrink: 0;
}

/* ============================================================================
   Color Presets
   ============================================================================ */
.color-presets {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    position: relative;
}

.color-input-hidden {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 0;
    height: 0;
    padding: 0;
    border: none;
    opacity: 0;
    pointer-events: none;
}

.color-swatch {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    padding: 0;
    outline: none;
}

.color-swatch:hover {
    transform: scale(1.15);
}

.color-swatch.selected {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 2px var(--bg-secondary), 0 0 0 4px currentColor;
}

.color-swatch-custom {
    background: conic-gradient(#EF4444, #F59E0B, #22C55E, #3B82F6, #8B5CF6, #EC4899, #EF4444) !important;
    color: #fff;
    font-size: 0.875rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.color-swatch-custom.has-color {
    background: none !important;
}

/* ============================================================================
   Mobile Navigation
   ============================================================================ */

/* Mobile Header - only visible on mobile */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 60px;
    padding: 0 var(--space-4);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    align-items: center;
    justify-content: space-between;
}

.mobile-header .logo {
    font-size: 1rem;
}

.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

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

.mobile-menu-btn svg {
    width: 24px;
    height: 24px;
}

/* Hamburger icon lines */
.hamburger-icon {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 24px;
    height: 24px;
}

.hamburger-icon span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* Hamburger to X animation */
.mobile-menu-btn.active .hamburger-icon span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active .hamburger-icon span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .hamburger-icon span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 199;
    opacity: 0;
    transition: opacity var(--transition-base);
    backdrop-filter: blur(4px);
}

.sidebar-overlay.visible {
    opacity: 1;
}

/* ============================================================================
   Responsive
   ============================================================================ */
@media (max-width: 1024px) {
    .auth-container {
        grid-template-columns: 1fr;
    }

    .auth-visual {
        display: none;
    }

    .auth-card {
        padding: var(--space-8);
    }
}

@media (max-width: 900px) {
    /* Show mobile header */
    .mobile-header {
        display: flex;
    }

    /* Adjust main layout */
    .app-layout {
        grid-template-columns: 1fr;
        padding-top: 60px;
    }

    /* Convert sidebar to mobile drawer */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 280px;
        z-index: 200;
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }

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

    /* Show overlay when sidebar is open */
    .sidebar-overlay {
        display: block;
        pointer-events: none;
    }

    .sidebar-overlay.visible {
        pointer-events: auto;
    }

    /* Adjust main content padding on mobile */
    .main-content {
        padding: var(--space-5);
    }

    .page-header {
        flex-direction: column;
        gap: var(--space-4);
        align-items: flex-start;
    }

    /* Calendar responsive */
    .calendar-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .calendar-grid {
        grid-template-columns: 1fr;
        grid-template-rows: none;
        min-height: auto;
    }

    .calendar-day {
        display: flex;
        flex-direction: column;
        grid-row: auto;
        min-height: auto;
    }

    .calendar-day-date {
        flex-direction: row;
        justify-content: flex-start;
        gap: var(--space-2);
    }

    .calendar-day-number {
        font-size: 1rem;
        width: 28px;
        height: 28px;
    }

    /* Month view mobile overrides */
    .calendar-grid.month-view {
        grid-template-columns: 1fr;
    }

    .month-view .calendar-day {
        min-height: auto;
    }

    .month-view .calendar-day-name {
        display: inline;
    }

    .calendar-month-weekday-header {
        display: none;
    }
}

@media (max-width: 640px) {
    .auth-card {
        padding: var(--space-6);
    }

    .auth-header h1 {
        font-size: 1.75rem;
    }

    .main-content {
        padding: var(--space-4);
    }
}