/* ============================================
   CSS VARIABLES & THEME
   ============================================ */
:root {
    --color-primary: #48A5E2;
    --color-primary-light: #e8f4fd;
    --color-primary-dark: #2b7ab5;
    --color-primary-deeper: #1a5a8a;
    --color-background: #f8f9fb;
    --color-surface: #f0f2f5;
    --color-border: #d0d6de;
    --color-text-primary: #1a2332;
    --color-text-secondary: #4a5568;
    --color-text-light: #7a8799;
    --color-hover: #e8f4fd;
    --color-accent: #a0733a;

    /* Activity time-of-day colours (customisable via theme modal) */
    --color-morning:                  #D49E5E;
    --color-morning-dark:             #bc8848;
    --color-morning-text:             #3d2200;
    --color-morning-text-shadow:      none;
    --color-morning-text-detail:      #7a4f1a;
    --color-morning-text-detail-dark: #f8f3ec;
    --color-morning-bg:               rgba(212,158,94,0.18);
    --color-morning-bg-fade:          rgba(212,158,94,0.05);

    --color-afternoon:                  #48A5E2;
    --color-afternoon-dark:             #2b7ab5;
    --color-afternoon-text:             #0d2d47;
    --color-afternoon-text-shadow:      none;
    --color-afternoon-text-detail:      #1a4a72;
    --color-afternoon-text-detail-dark: #e4f0f9;
    --color-afternoon-bg:               rgba(72,165,226,0.18);
    --color-afternoon-bg-fade:          rgba(72,165,226,0.05);

    --color-evening:                  #e2896e;
    --color-evening-dark:             #c96f55;
    --color-evening-text:             #fff;
    --color-evening-text-shadow:      0 1px 2px rgba(0,0,0,0.2);
    --color-evening-text-detail:      #7a2e18;
    --color-evening-text-detail-dark: #f9eeeb;
    --color-evening-bg:               rgba(226,137,110,0.18);
    --color-evening-bg-fade:          rgba(226,137,110,0.05);

    --color-flexible:                  #6b7fa3;
    --color-flexible-dark:             #546690;
    --color-flexible-text:             #fff;
    --color-flexible-text-shadow:      0 1px 2px rgba(0,0,0,0.2);
    --color-flexible-text-detail:      #2d3f5c;
    --color-flexible-text-detail-dark: #dcdfe4;
    --color-flexible-bg:               rgba(107,127,163,0.18);
    --color-flexible-bg-fade:          rgba(107,127,163,0.05);

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    --font-family: 'Noto Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-size-sm: 0.9375rem;
    --font-size-base: 1.0625rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.625rem;
    --font-size-2xl: 2.25rem;
    --font-size-3xl: 3rem;

    --border-radius: 8px;
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    line-height: 1.65;
    letter-spacing: 0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 100%;
}

.header {
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    padding: 0.6rem var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-content {
    max-width: 1800px;
    margin: 0 auto;
}

.header-top-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.btn-sm {
    padding: 0.25rem 0.65rem;
    font-size: var(--font-size-sm);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    line-height: 1.4;
}

.btn-sm svg {
    flex-shrink: 0;
}

/* Config dropdown menu */
.config-menu {
    position: relative;
}

.config-menu-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 170px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    list-style: none;
    padding: 0.3rem 0;
    z-index: 200;
}

.config-menu-dropdown.open {
    display: block;
}

.config-menu-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    padding: 0.55rem 1rem;
    background: none;
    border: none;
    font-size: var(--font-size-sm);
    font-family: inherit;
    color: var(--color-text);
    cursor: pointer;
    text-align: left;
    white-space: nowrap;
}

.config-menu-item:hover {
    background: var(--color-surface-hover, var(--color-border));
}

.config-menu-item--danger {
    color: var(--color-danger, #dc2626);
}

.config-menu-separator {
    height: 1px;
    background: var(--color-border);
    margin: 0.3rem 0;
}

/* Submenu */
.config-menu-has-submenu {
    position: relative;
}

.config-menu-submenu-trigger {
    justify-content: flex-start;
}

.config-menu-submenu-arrow {
    margin-left: auto;
    opacity: 0.45;
    flex-shrink: 0;
    transition: opacity 0.15s;
}

.config-menu-has-submenu.submenu-open > .config-menu-submenu-trigger .config-menu-submenu-arrow {
    opacity: 0.9;
}

.config-menu-submenu {
    display: none;
    position: absolute;
    right: calc(100% + 4px);
    top: -0.3rem;
    min-width: 180px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    list-style: none;
    padding: 0.3rem 0;
    z-index: 201;
}

.config-menu-has-submenu.submenu-open > .config-menu-submenu {
    display: block;
}

/* Holiday switcher dropdown */
.holiday-switcher {
    position: relative;
}

.holiday-switcher-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    white-space: nowrap;
    max-width: 200px;
    transition: border-color 0.15s;
}

.holiday-switcher-btn:hover {
    border-color: var(--color-primary);
}

.holiday-switcher-btn span {
    overflow: hidden;
    text-overflow: ellipsis;
}

.holiday-switcher-chevron {
    flex-shrink: 0;
    transition: transform 0.15s;
}

.holiday-switcher-dropdown.open ~ .holiday-switcher-btn .holiday-switcher-chevron,
.holiday-switcher-btn[aria-expanded="true"] .holiday-switcher-chevron {
    transform: rotate(180deg);
}

.holiday-switcher-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 220px;
    max-width: 300px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    padding: 0.3rem 0;
    z-index: 200;
}

.holiday-switcher-dropdown.open {
    display: block;
}

.holiday-switcher-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.55rem 1rem;
    background: none;
    border: none;
    font-size: var(--font-size-sm);
    font-family: inherit;
    color: var(--color-text);
    cursor: pointer;
    text-align: left;
    position: relative;
}

.holiday-switcher-item:hover {
    background: var(--color-surface-hover, var(--color-border));
}

.holiday-switcher-item.active {
    font-weight: 700;
    color: var(--color-primary);
}

.holiday-switcher-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 25%;
    bottom: 25%;
    width: 3px;
    background: var(--color-primary);
    border-radius: 0 2px 2px 0;
}

.holiday-switcher-item-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.holiday-switcher-item-dates {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.holiday-switcher-separator {
    height: 1px;
    background: var(--color-border);
    margin: 0.3rem 0;
}

.holiday-switcher-create {
    color: var(--color-primary);
    font-weight: 600;
    gap: 0.4rem;
}

.title {
    font-family: 'Luckiest Guy', cursive;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0;
}

.subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.main-content {
    display: flex;
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-xl);
    max-width: 1800px;
    margin: 0 auto;
    width: 100%;
}

.calendar-section {
    flex: 1;
    min-width: 0;
}

.calendar-wrapper {
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

/* ============================================
   CALENDAR GRID
   ============================================ */
.week-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.day-header {
    text-align: center;
    font-weight: 700;
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--spacing-sm);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-sm);
    auto-rows: minmax(100px, 1fr);
}

.day-cell {
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    position: relative;
    overflow: hidden;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.day-cell::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-hover);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.day-cell:hover::before {
    opacity: 0.15;
}

.day-cell.active {
    border-color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.day-cell.active::before {
    opacity: 0;
}

.day-cell.drag-over {
    border-color: var(--color-primary);
    background-color: var(--color-primary-light);
    box-shadow: inset 0 0 0 2px var(--color-primary);
}

.day-header-section {
    position: relative;
    z-index: 1;
    margin-bottom: var(--spacing-xs);
    text-align: left;
}

.day-activities-section {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    margin-bottom: var(--spacing-xs);
    position: relative;
    z-index: 1;
}

.day-activity-item {
    background-color: #fff;
    color: var(--color-text-primary);
    border-left: 3px solid var(--color-primary);
    padding: 3px 6px;
    border-radius: 2px;
    font-size: 0.75rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: grab;
    user-select: none;
    transition: all 0.2s ease;
    flex-shrink: 0;
    font-weight: 600;
}

.day-activity-item:hover {
    background-color: #f0f2f5;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
    transform: scale(1.05);
}

.day-activity-item.dragging {
    opacity: 0.5;
    cursor: grabbing;
}

/* Calendar Activity Colour Coding — left border only, consistent light background */

.day-activity-morning {
    border-left-color: var(--color-morning);
}

.day-activity-afternoon {
    border-left-color: var(--color-afternoon);
}

.day-activity-evening {
    border-left-color: var(--color-evening);
}

.day-activity-flexible,
.day-activity-no-time {
    border-left-color: var(--color-flexible);
}

/* ============================================
   COLOR LEGEND
   ============================================ */
.color-legend {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.legend-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.legend-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.legend-color {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    flex-shrink: 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.legend-morning   { background-color: var(--color-morning); }
.legend-afternoon { background-color: var(--color-afternoon); }
.legend-evening   { background-color: var(--color-evening); }
.legend-flexible  { background-color: var(--color-flexible); }

.legend-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    font-weight: 500;
}

.day-month {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1;
    margin-bottom: 2px;
    position: relative;
    z-index: 1;
}

.day-date {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 2px;
    position: relative;
    z-index: 1;
    text-align: left;
}

.day-name {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    font-weight: 600;
    position: relative;
    z-index: 1;
}

/* ============================================
   DETAIL PANE
   ============================================ */
.detail-pane {
    position: fixed;
    right: -30%;
    top: 0;
    bottom: 0;
    width: 30%;
    background-color: var(--color-background);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-base);
    z-index: 20;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    border-left: 1px solid var(--color-border);
}

.detail-pane.open {
    right: 0;
}

/* Drag handle hidden by default (shown on mobile) */
.detail-pane::before {
    display: none;
}

.detail-content {
    padding: var(--spacing-xl);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.detail-top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.nav-btn {
    background: none;
    border: 1px solid var(--color-border);
    width: 36px;
    height: 36px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    padding: 0;
    flex-shrink: 0;
}

.nav-btn:hover:not(:disabled) {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background-color: var(--color-surface);
}

.nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.prev-btn {
    order: -1;
}

.next-btn {
    order: 1;
}

.close-btn {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: none;
    border: none;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    padding: 0;
}

.close-btn:hover {
    color: var(--color-primary);
}

.detail-header {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding-right: var(--spacing-lg);
}

.detail-day-counter {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.detail-date {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.detail-info {
    flex: 1;
}

.location-section,
.accommodation-section {
    margin-bottom: var(--spacing-lg);
}

.activities-section {
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.section-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.location-text {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.activities-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

#addActivityBtn {
    align-self: flex-end;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    transition: opacity 0.2s ease, cursor 0.2s ease;
}

#addActivityBtn:disabled {
    cursor: not-allowed;
}

.activity-item {
    background-color: var(--color-surface);
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-md);
    border-radius: 4px;
}

.activity-name {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-base);
}

.activity-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.activity-duration {
    font-weight: 500;
    color: var(--color-accent);
}

.activity-location {
    color: var(--color-text-light);
}

.activity-time {
    color: var(--color-text-secondary);
    font-style: italic;
    font-weight: 500;
}

.activity-duration {
    font-weight: 600;
}

.activity-location {
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* ============================================
   ACTIVITY COLOUR CODING — left border only
   ============================================ */

.activity-morning   { border-left-color: var(--color-morning); }
.activity-afternoon { border-left-color: var(--color-afternoon); }
.activity-evening   { border-left-color: var(--color-evening); }

.activity-flexible,
.activity-no-time   { border-left-color: var(--color-flexible); }

/* Hover effects for all activity types */
.activity-item:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet - 768px and above */
@media (min-width: 768px) {
    .calendar-grid {
        auto-rows: minmax(120px, 1fr);
        gap: var(--spacing-md);
    }

    .day-cell {
        padding: var(--spacing-md);
    }

    .day-date {
        font-size: var(--font-size-2xl);
    }
}

/* Desktop - 1024px and above */
@media (min-width: 1024px) {
    .main-content {
        padding: var(--spacing-sm) var(--spacing-xl);
    }

    .calendar-grid {
        auto-rows: minmax(150px, 1fr);
    }

    .detail-pane {
        width: 28%;
        right: -28%;
    }
}

/* Large Desktop - 1400px and above */
@media (min-width: 1400px) {
    .detail-pane {
        width: 25%;
        right: -25%;
    }
}

/* Mobile - below 768px */
@media (max-width: 767px) {
    .header {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .title {
        font-size: var(--font-size-2xl);
    }

    .subtitle {
        font-size: var(--font-size-sm);
    }

    .main-content {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
    }

    .calendar-section {
        width: 100%;
    }

    .calendar-wrapper {
        padding: var(--spacing-sm);
    }

    .week-header {
        display: none;
    }

    .calendar-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 3px;
        auto-rows: minmax(80px, 1fr);
    }

    /* Override the JS-set gridColumnStart so days flow naturally */
    .day-cell:first-child {
        grid-column-start: auto !important;
    }

    .day-cell {
        padding: 4px;
    }

    .day-month {
        font-size: 0.55rem;
        margin-bottom: 1px;
    }

    .day-date {
        font-size: var(--font-size-lg);
    }

    .day-name {
        display: none;
    }

    .day-activity-item {
        font-size: 0.65rem;
        padding: 1px 3px;
    }

    /* Mobile detail pane - full-width bottom sheet */
    .detail-pane {
        position: fixed;
        top: auto;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 85vh;
        transform: translateY(100%);
        transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
        border-left: none;
        border-top: 1px solid var(--color-border);
        border-radius: 16px 16px 0 0;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    }

    .detail-pane.open {
        right: 0;
        transform: translateY(0);
    }

    /* Bottom sheet drag handle */
    .detail-pane::before {
        content: '';
        display: block;
        width: 36px;
        height: 4px;
        background: var(--color-border);
        border-radius: 2px;
        margin: 8px auto 0;
    }

    .detail-content {
        padding: var(--spacing-md);
        padding-top: var(--spacing-sm);
    }

    .close-btn {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }

    .detail-top-bar {
        margin-bottom: var(--spacing-md);
    }

    .detail-header {
        margin-top: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }

    /* Improve touch targets */
    .nav-btn {
        width: 44px;
        height: 44px;
    }

    .close-btn {
        width: 44px;
        height: 44px;
    }

    .activity-edit-btn {
        padding: 8px;
        margin: -4px -4px -4px 0;
    }

    /* Color legend mobile */
    .color-legend {
        margin-top: var(--spacing-md);
        padding: var(--spacing-sm);
    }

    .legend-items {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .legend-color {
        width: 18px;
        height: 18px;
    }

    .legend-label {
        font-size: 0.75rem;
    }

    .legend-title {
        font-size: 0.75rem;
    }

    /* Activity items in detail pane */
    .activity-meta {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    /* Modal improvements for mobile */
    .modal {
        width: 95%;
        max-height: 85vh;
        margin: auto var(--spacing-sm);
    }

    .modal-header {
        padding: var(--spacing-md);
    }

    .modal-form {
        padding: var(--spacing-md);
    }

    .form-group {
        margin-bottom: var(--spacing-md);
    }

    .modal-buttons {
        flex-direction: column-reverse;
        gap: var(--spacing-sm);
    }

    .modal-buttons .btn {
        width: 100%;
        text-align: center;
    }

    /* Import conflict modal mobile */
    .import-conflicts-list {
        max-height: 40vh;
    }

    .conflict-header {
        flex-direction: column;
        gap: var(--spacing-xs);
        align-items: flex-start;
    }

    .conflict-option {
        padding: var(--spacing-sm);
    }

    /* Success toast mobile */
    .success-message {
        left: var(--spacing-md);
        right: var(--spacing-md);
        bottom: var(--spacing-md);
        text-align: center;
    }
}

/* Very small mobile - below 480px */
@media (max-width: 479px) {
    .header {
        padding: var(--spacing-sm) var(--spacing-sm);
    }

    .header-top-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .holiday-switcher-btn {
        max-width: 160px;
        font-size: 0.8rem;
    }

    .holiday-switcher-dropdown {
        left: 0;
        transform: none;
    }

    .header-actions {
        width: 100%;
    }

    .header-actions .btn-sm {
        flex: 1;
        justify-content: center;
        padding: 0.25rem 0.5rem;
    }

    .title {
        font-size: var(--font-size-xl);
    }

    .subtitle {
        font-size: 0.8125rem;
    }

    .calendar-wrapper {
        padding: 4px;
        border-radius: 6px;
    }

    .calendar-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2px;
        auto-rows: minmax(64px, 1fr);
    }

    .day-cell {
        padding: 3px;
        border-radius: 4px;
        border-width: 1.5px;
    }

    .day-header {
        padding: 2px;
        font-size: 0.65rem;
        letter-spacing: 0;
    }

    .day-month {
        font-size: 0.5rem;
    }

    .day-date {
        font-size: var(--font-size-base);
        margin-bottom: 1px;
    }

    .day-activity-item {
        font-size: 0.5rem;
        padding: 1px 2px;
        border-radius: 1px;
    }

    /* Hide legend on very small screens to save space */
    .color-legend {
        display: none;
    }
}

/* Short/wide screens (landscape mobile) */
@media (max-height: 500px) and (orientation: landscape) {
    .header {
        padding: var(--spacing-sm) var(--spacing-md);
        position: relative;
    }

    .main-content {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .detail-pane {
        top: 0;
        bottom: 0;
        width: 50%;
        height: auto;
        right: -50%;
        transform: none;
        transition: right var(--transition-base);
        border-radius: 0;
        border-left: 1px solid var(--color-border);
        border-top: none;
    }

    .detail-pane::before {
        display: none;
    }

    .detail-pane.open {
        right: 0;
        transform: none;
    }

    .calendar-grid {
        auto-rows: minmax(60px, 1fr);
    }
}

/* Medium screens 481-767px (large phones / small tablets) */
@media (min-width: 481px) and (max-width: 767px) {
    .calendar-grid {
        auto-rows: minmax(90px, 1fr);
    }

    .day-activity-item {
        font-size: 0.6rem;
    }

    .detail-pane {
        height: 75vh;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Visible focus indicator for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.form-input:focus-visible {
    outline: none;
    border-color: var(--color-primary);
}

.login-input:focus-visible {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* High contrast mode */
@media (prefers-contrast: more) {
    .day-cell {
        border-width: 3px;
    }

    .activity-item {
        border-left-width: 6px;
    }
}

/* ============================================
   EDIT ACTIVITY MODAL
   ============================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.modal-overlay.open {
    display: flex;
    opacity: 1;
}

.modal {
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideDown var(--transition-base) ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

.modal-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

.modal-close-btn {
    background: none;
    border: none;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    padding: 0;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.modal-close-btn:hover {
    color: var(--color-primary);
}

.modal-form {
    padding: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.form-label {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 0.8125rem;
}

.form-input {
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    /* Prevent iOS zoom on input focus - must be at least 16px */
    font-size: max(var(--font-size-sm), 16px);
    font-family: inherit;
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    transition: border-color var(--transition-fast);
}

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

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

/* Textarea styling */
textarea.form-input {
    resize: vertical;
    font-family: inherit;
    line-height: 1.5;
    min-height: 100px;
}

textarea.form-input::-webkit-scrollbar {
    width: 8px;
}

textarea.form-input::-webkit-scrollbar-track {
    background: var(--color-surface);
    border-radius: var(--border-radius);
}

textarea.form-input::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

textarea.form-input::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-light);
}

.modal-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
}

/* ── Modal time-slot colour coding (edit activity) ── */

.modal-slot-morning .modal-header {
    background-color: var(--color-morning);
    border-bottom-color: var(--color-morning-dark);
}
.modal-slot-morning .modal-title {
    color: var(--color-morning-text);
    text-shadow: var(--color-morning-text-shadow);
}
.modal-slot-morning .modal-close-btn {
    color: var(--color-morning-text);
}

.modal-slot-afternoon .modal-header {
    background-color: var(--color-afternoon);
    border-bottom-color: var(--color-afternoon-dark);
}
.modal-slot-afternoon .modal-title {
    color: var(--color-afternoon-text);
    text-shadow: var(--color-afternoon-text-shadow);
}
.modal-slot-afternoon .modal-close-btn {
    color: var(--color-afternoon-text);
}

.modal-slot-evening .modal-header {
    background-color: var(--color-evening);
    border-bottom-color: var(--color-evening-dark);
}
.modal-slot-evening .modal-title {
    color: var(--color-evening-text);
    text-shadow: var(--color-evening-text-shadow);
}
.modal-slot-evening .modal-close-btn {
    color: var(--color-evening-text);
}

.modal-slot-flexible .modal-header {
    background-color: var(--color-flexible);
    border-bottom-color: var(--color-flexible-dark);
}
.modal-slot-flexible .modal-title {
    color: var(--color-flexible-text);
    text-shadow: var(--color-flexible-text-shadow);
}
.modal-slot-flexible .modal-close-btn {
    color: var(--color-flexible-text);
}

.modal-slot-no-time .modal-header {
    background-color: var(--color-flexible);
    border-bottom-color: var(--color-flexible-dark);
}
.modal-slot-no-time .modal-title {
    color: var(--color-flexible-text);
    text-shadow: var(--color-flexible-text-shadow);
}
.modal-slot-no-time .modal-close-btn {
    color: var(--color-flexible-text);
}

.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    border: 2px solid var(--color-border);
}

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

.btn-danger {
    background-color: #dc3545;
    color: white;
}

.btn-danger:hover {
    background-color: #c82333;
    transform: translateY(-2px);
}

.btn-danger:active {
    transform: translateY(0);
}

/* Activity item styling with edit button */
.activity-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.activity-name {
    flex: 1;
}

.activity-edit-btn {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
    flex-shrink: 0;
    margin-top: 2px;
}

.activity-edit-btn:hover {
    color: var(--color-primary);
}

/* Success message */
.success-message {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    background-color: #1a5a8a;
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: 101;
    animation: slideIn var(--transition-base) ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.success-message.fade-out {
    animation: slideOut var(--transition-base) ease-out forwards;
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* ============================================
   IMPORT CONFLICT MODAL
   ============================================ */

.import-warning {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: var(--spacing-md);
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    color: #856404;
}

.import-warning svg {
    flex-shrink: 0;
    color: #e67e22;
    margin-top: 2px;
}

.import-warning strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.import-warning p {
    font-size: var(--font-size-sm);
    margin: 0;
}

.import-conflicts-list {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.import-conflict-item {
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    background-color: var(--color-surface);
    transition: border-color var(--transition-fast);
}

.import-conflict-item.resolution-keep {
    border-color: var(--color-primary);
}

.import-conflict-item.resolution-replace {
    border-color: #e67e22;
}

.conflict-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.conflict-date {
    font-weight: 700;
    font-size: var(--font-size-sm);
    color: var(--color-primary);
}

.conflict-reason-badge {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 12px;
    background-color: var(--color-border);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.conflict-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.conflict-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

.conflict-option:hover {
    border-color: var(--color-text-light);
    background-color: var(--color-hover);
}

.conflict-option.selected {
    border-color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.conflict-option.selected.option-replace {
    border-color: #e67e22;
    background-color: rgba(230, 126, 34, 0.1);
}

.conflict-option-radio {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

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

.conflict-option.selected.option-replace .conflict-option-radio {
    border-color: #e67e22;
}

.conflict-option.selected .conflict-option-radio::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-primary);
}

.conflict-option.selected.option-replace .conflict-option-radio::after {
    background-color: #e67e22;
}

.conflict-option-content {
    flex: 1;
    min-width: 0;
}

.conflict-option-label {
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 2px;
    color: var(--color-text-secondary);
}

.conflict-option-name {
    font-weight: 500;
}

.conflict-option-time {
    color: var(--color-text-light);
    font-style: italic;
    margin-left: var(--spacing-xs);
}

.import-actions {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-lg);
}

.import-actions-label {
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
}

/* ── Dark mode ─────────────────────────────────────────────── */
/* Block 1: explicit dark theme set by JS toggle */
:root[data-theme="dark"] {
    --color-primary: #48A5E2;
    --color-primary-light: #0d2d47;
    --color-primary-dark: #2b7ab5;
    --color-background: #131820;
    --color-surface: #1c2333;
    --color-border: #2d3a50;
    --color-text-primary: #e8edf5;
    --color-text-secondary: #8fa0bc;
    --color-text-light: #5a6e8a;
    --color-hover: #0d2d47;

    /* Swap activity detail text to dark-mode variants */
    --color-morning-text-detail:   var(--color-morning-text-detail-dark);
    --color-afternoon-text-detail: var(--color-afternoon-text-detail-dark);
    --color-evening-text-detail:   var(--color-evening-text-detail-dark);
    --color-flexible-text-detail:  var(--color-flexible-text-detail-dark);
}

:root[data-theme="dark"] .import-warning {
    background-color: #3d3200;
    border-color: #665500;
    color: #ffc107;
}

:root[data-theme="dark"] .conflict-option:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

:root[data-theme="dark"] .conflict-option.selected {
    background-color: rgba(72, 165, 226, 0.15);
}

:root[data-theme="dark"] .conflict-option.selected.option-replace {
    background-color: rgba(230, 126, 34, 0.15);
}

:root[data-theme="dark"] .conflict-reason-badge {
    background-color: var(--color-border);
    color: var(--color-text-light);
}

/* Calendar chip: raised surface in dark mode */
:root[data-theme="dark"] .day-activity-item {
    background-color: #242d40;
    color: var(--color-text-primary);
}

:root[data-theme="dark"] .day-activity-item:hover {
    background-color: #2d3a50;
}

/* Block 2: system preference dark, only when no explicit theme is set */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]):not([data-theme="dark"]) {
        --color-primary: #48A5E2;
        --color-primary-light: #0d2d47;
        --color-primary-dark: #2b7ab5;
        --color-background: #131820;
        --color-surface: #1c2333;
        --color-border: #2d3a50;
        --color-text-primary: #e8edf5;
        --color-text-secondary: #8fa0bc;
        --color-text-light: #5a6e8a;
        --color-hover: #0d2d47;

        /* Swap activity detail text to dark-mode variants */
        --color-morning-text-detail:   var(--color-morning-text-detail-dark);
        --color-afternoon-text-detail: var(--color-afternoon-text-detail-dark);
        --color-evening-text-detail:   var(--color-evening-text-detail-dark);
        --color-flexible-text-detail:  var(--color-flexible-text-detail-dark);
    }

    :root:not([data-theme="light"]):not([data-theme="dark"]) .import-warning {
        background-color: #3d3200;
        border-color: #665500;
        color: #ffc107;
    }

    :root:not([data-theme="light"]):not([data-theme="dark"]) .conflict-option:hover {
        background-color: rgba(255, 255, 255, 0.05);
    }

    :root:not([data-theme="light"]):not([data-theme="dark"]) .conflict-option.selected {
        background-color: rgba(72, 165, 226, 0.15);
    }

    :root:not([data-theme="light"]):not([data-theme="dark"]) .conflict-option.selected.option-replace {
        background-color: rgba(230, 126, 34, 0.15);
    }

    :root:not([data-theme="light"]):not([data-theme="dark"]) .conflict-reason-badge {
        background-color: var(--color-border);
        color: var(--color-text-light);
    }

    /* Calendar chip: raised surface in dark mode */
    :root:not([data-theme="light"]):not([data-theme="dark"]) .day-activity-item {
        background-color: #242d40;
        color: var(--color-text-primary);
    }

    :root:not([data-theme="light"]):not([data-theme="dark"]) .day-activity-item:hover {
        background-color: #2d3a50;
    }
}

/* ============================================
   LOADING INDICATOR
   ============================================ */

.calendar-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    color: var(--color-text-secondary);
    gap: 1rem;
}

.loading-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ── Footer ───────────────────────────────────────────────── */
.app-footer {
    margin-top: 3rem;
    padding: 1.25rem 1rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-light);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: 'Noto Sans', sans-serif;
}

.footer-signature {
    font-style: italic;
}

.footer-divider {
    opacity: 0.4;
}

.footer-version {
    font-family: 'Noto Sans', monospace;
    letter-spacing: 0.03em;
    opacity: 0.7;
}

/* ── Theme Modal ──────────────────────────────────────────── */

.theme-modal {
    max-width: 380px;
}

.theme-modal-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.theme-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.theme-section-label {
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
}

/* Light / Dark mode toggle pills */
.theme-mode-toggle {
    display: flex;
    gap: var(--spacing-xs);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 4px;
}

.theme-mode-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 7px;
    font-size: var(--font-size-sm);
    font-family: inherit;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-mode-btn:hover {
    color: var(--color-text-primary);
    background: var(--color-border);
}

.theme-mode-btn.active {
    background: var(--color-background);
    color: var(--color-primary);
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

/* Colour swatches */
.theme-colour-presets {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.theme-colour-swatch {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
    padding: 0;
    flex-shrink: 0;
}

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

.theme-colour-swatch.active {
    border-color: var(--color-text-primary);
    transform: scale(1.15);
}

/* Custom colour picker row */
.theme-custom-colour-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
    margin-top: var(--spacing-xs);
}

.theme-colour-picker {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    padding: 0;
    cursor: pointer;
    background: none;
    -webkit-appearance: none;
    appearance: none;
    overflow: hidden;
}

.theme-colour-picker::-webkit-color-swatch-wrapper {
    padding: 0;
    border-radius: 50%;
}

.theme-colour-picker::-webkit-color-swatch {
    border: none;
    border-radius: 50%;
}

.theme-colour-picker::-moz-color-swatch {
    border: none;
    border-radius: 50%;
}

/* Activity colour picker rows */
.theme-activity-colours {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.theme-activity-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}

.theme-activity-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    font-weight: 500;
}

.theme-modal-footer {
    display: flex;
    justify-content: flex-start;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

/* ── Login page ───────────────────────────────────────────── */

.login-tabs {
    display: flex;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 1.5rem;
}

.login-tab {
    flex: 1;
    padding: 0.6rem 1rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.login-tab.active,
.login-tab[aria-selected="true"] {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.login-tab:hover:not(.active) {
    color: var(--color-text-primary);
}

.login-main {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.login-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 420px;
    text-align: center;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
}

.login-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.login-title {
    font-family: 'Luckiest Guy', cursive;
    font-size: 1.5rem;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.login-description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.75rem;
}

.login-form {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.login-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

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

.login-input {
    padding: 0.65rem 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Noto Sans', sans-serif;
    background: var(--color-background);
    color: var(--color-text-primary);
    transition: border-color 0.15s, box-shadow 0.15s;
    width: 100%;
    box-sizing: border-box;
}

.login-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.login-btn {
    width: 100%;
    justify-content: center;
    padding: 0.75rem;
    font-size: 1rem;
}

.login-success {
    text-align: center;
    padding: 0.5rem 0;
}

.login-success-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.login-success-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-text-primary);
    margin-bottom: 0.4rem;
}

.login-success-text {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.login-resend {
    font-size: 0.875rem;
}

.login-error {
    margin-top: 0.75rem;
    padding: 0.75rem 1rem;
    background: #fff5f5;
    border: 1px solid #fecaca;
    border-radius: 8px;
    color: #b91c1c;
    font-size: 0.875rem;
    text-align: left;
}