/* ========================================
   MOBILE NAVIGATION & VIEWS
   ======================================== */

.bottom-navbar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4.5rem;
    background: color-mix(in srgb, var(--card-bg) 85%, transparent);
    backdrop-filter: blur(var(--backdrop-blur-strong));
    -webkit-backdrop-filter: blur(var(--backdrop-blur-strong));
    border-top: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent);
    z-index: var(--z-side-menu);
    padding: var(--spacing-sm);
    padding-bottom: max(var(--spacing-sm), env(safe-area-inset-bottom));
    box-shadow: 0 -4px 20px var(--shadow-color);
    animation: slideUpNavbar 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    flex: 1;
    height: 100%;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    border-radius: var(--border-radius-sm);
    padding: 0.5rem;
    min-width: 44px;
    min-height: 44px;
    position: relative;
}

.nav-item i {
    font-size: var(--font-size-lg);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nav-item:active {
    transform: scale(0.9);
}

.nav-item.active {
    color: var(--accent-color);
}

.nav-item.active i {
    transform: scale(1.1);
}

.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    width: 30%;
    height: 3px;
    background: var(--accent-color);
    border-radius: var(--border-radius-xs) var(--border-radius-xs) 0 0;
    animation: navIndicator 0.3s ease-out;
}

@keyframes navIndicator {
    from {
        width: 0;
        opacity: 0;
    }

    to {
        width: 30%;
        opacity: 1;
    }
}

@media (hover: hover) {
    .nav-item:hover {
        color: var(--accent-color);
    }
}

/* Mobile Header */
.mobile-header {
    display: none;
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    background: color-mix(in srgb, var(--card-bg) 85%, transparent);
    backdrop-filter: blur(var(--backdrop-blur-strong));
    -webkit-backdrop-filter: blur(var(--backdrop-blur-strong));
    z-index: 1500;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-top: max(var(--spacing-sm), env(safe-area-inset-top));
    border-bottom: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent);
    box-shadow: 0 4px 15px var(--shadow-color);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.mobile-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.mobile-app-title {
    font-size: var(--font-size-xl);
    font-weight: 800;
    margin: 0;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mobile-header-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    line-height: 1.1;
}

#mobileHeaderTime {
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: var(--text-color);
}

#mobileHeaderDate {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* Full View Header (Mobile Only) - STATIC NOW */
.full-view-header {
    display: none;
    text-align: center;
    padding: var(--spacing-md) 0;
    position: static;
    /* Changed from sticky */
    background: color-mix(in srgb, var(--bg-color) 90%, transparent);
    z-index: var(--z-overlay);
    width: 100%;
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 1s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.full-view-title {
    font-size: var(--font-size-xl);
    color: var(--accent-color);
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}


/* Today View */
.today-view {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 5rem;
    background: var(--bg-color);
    z-index: 100;
    padding: 1.5rem;
    padding-top: calc(4.5rem + max(0.75rem, env(safe-area-inset-top)));
    overflow-y: auto;
    animation: fadeInUp 0.4s ease-out;
}

.today-view.active {
    display: block;
}

.today-view-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.today-title {
    font-size: var(--font-size-2xl);
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.today-date {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

.today-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.today-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--box-shadow);
    border-left: 4px solid var(--accent-color);
    transition: all 0.3s ease;
    animation: slideInCard 0.4s ease-out backwards;
    cursor: pointer;
}

@media (hover: hover) {
    .today-card:hover {
        transform: translateX(8px);
        box-shadow: var(--box-shadow-lg);
    }
}

.today-card:active {
    transform: scale(0.98);
}

.today-card.marked-subject {
    background: color-mix(in srgb, var(--accent-color) 15%, var(--card-bg));
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--accent-color) inset;
}

.today-card:nth-child(1) {
    animation-delay: 0.05s;
}

.today-card:nth-child(2) {
    animation-delay: 0.1s;
}

.today-card:nth-child(3) {
    animation-delay: 0.15s;
}

.today-card:nth-child(4) {
    animation-delay: 0.2s;
}

.today-card:nth-child(5) {
    animation-delay: 0.25s;
}

.today-card:nth-child(6) {
    animation-delay: 0.3s;
}

.today-card:nth-child(7) {
    animation-delay: 0.35s;
}

.today-card-time {
    min-width: 4.5rem;
    text-align: center;
}

.today-card-time .time {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--accent-color);
}

.today-card-time .period {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.today-card-emoji {
    font-size: var(--font-size-2xl);
    min-width: 3rem;
    text-align: center;
}

.today-card-subject {
    flex: 1;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-color);
}

.today-card.current {
    border-left-color: var(--success-color);
    background: var(--success-bg);
}

.today-card.past {
    opacity: 0.5;
    border-left-color: var(--text-muted);
}

.today-card.past .today-card-subject {
    text-decoration: line-through;
}

.today-empty {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 50vh;
    color: var(--text-muted);
    text-align: center;
    animation: fadeInUp 0.5s ease-out;
}

.today-empty.active {
    display: flex;
}

.today-empty i {
    font-size: var(--font-size-display);
    margin-bottom: 1rem;
    color: var(--accent-color);
    animation: floatEmoji 3s ease-in-out infinite;
}

.today-empty p {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

/* Mobile Weekly View (Full tab on mobile) */
.mobile-weekly-view {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 5rem;
    z-index: 100;
    padding: 1rem;
    padding-top: calc(4.5rem + max(0.75rem, env(safe-area-inset-top)));
    background: var(--bg-color);
    overflow-y: auto;
}

.mobile-weekly-view.active {
    display: block;
}

.mobile-weekly-days {
    display: grid;
    gap: 0.9rem;
}

.mobile-weekly-day-card {
    background: color-mix(in srgb, var(--card-bg) 95%, transparent);
    border: 1px solid color-mix(in srgb, var(--border-color) 75%, transparent);
    border-radius: var(--border-radius);
    padding: 0.8rem;
    box-shadow: var(--box-shadow-sm);
}

.mobile-weekly-day-card.is-today {
    border-color: color-mix(in srgb, var(--accent-color) 70%, var(--border-color));
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent-color) 25%, transparent);
}

.mobile-weekly-day-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.65rem;
}

.mobile-weekly-day-header h3 {
    margin: 0;
    font-size: var(--font-size-lg);
    color: var(--text-color);
}

.mobile-weekly-day-header span {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.mobile-weekly-rows {
    display: grid;
    gap: 0.5rem;
}

.mobile-weekly-row {
    width: 100%;
    border: 1px solid color-mix(in srgb, var(--border-color) 70%, transparent);
    border-radius: var(--border-radius-sm);
    background: var(--card-bg);
    color: var(--text-color);
    display: grid;
    grid-template-columns: auto auto 1fr;
    align-items: center;
    gap: 0.6rem;
    /* SMALLER PADDING */
    padding: 0.4rem 0.5rem;
    text-align: left;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.mobile-weekly-row:active {
    transform: scale(0.985);
}

.mobile-weekly-row.current {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent-color) 30%, transparent) inset;
}

.mobile-weekly-row-left {
    display: flex;
    flex-direction: column;
    min-width: 3.3rem;
}

.mobile-weekly-row-period {
    font-size: 0.7rem;
    color: var(--text-muted);
    line-height: 1;
}

.mobile-weekly-row-time {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--accent-color);
}

.mobile-weekly-row-emoji {
    font-size: 1rem;
    line-height: 1;
    min-width: 1.2rem;
    text-align: center;
}

.mobile-weekly-row-subject {
    /* SMALLER FONT */
    font-size: 0.85rem;
    font-weight: var(--font-weight-semibold);
}

.mobile-weekly-row.marked-subject {
    background: color-mix(in srgb, var(--accent-color) 14%, var(--card-bg));
    border-color: var(--accent-color);
}

.mobile-weekly-empty {
    border: 1px dashed var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-muted);
    padding: 0.9rem;
    text-align: center;
    font-size: var(--font-size-sm);
}

body.compact-timetable .mobile-weekly-day-card {
    padding: 0.55rem;
}

body.compact-timetable .mobile-weekly-row {
    padding: 0.35rem 0.4rem;
}

body.minimal-cells .mobile-weekly-day-card {
    background: transparent;
    border-color: color-mix(in srgb, var(--border-color) 45%, transparent);
    box-shadow: none;
}

body.minimal-cells .mobile-weekly-row {
    background: transparent;
    border-color: color-mix(in srgb, var(--divider-color) 95%, transparent);
}

body.hide-empty-days .mobile-weekly-empty {
    display: none;
}

/* Mobile Recommended Manual */
.mobile-recommended-manual {
    margin-bottom: var(--spacing-lg);
    background: color-mix(in srgb, var(--accent-color) 10%, var(--card-bg));
    border: 1px solid var(--accent-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: center;
    cursor: pointer;
    box-shadow: var(--box-shadow-sm);
    display: none;
}

.mobile-recommended-manual.active {
    display: block;
}

.mobile-recommended-manual h3 {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    color: var(--accent-color);
    margin: 0 0 0.5rem 0;
    letter-spacing: 0.5px;
}

.mobile-recommended-manual p {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-color);
    margin: 0;
}


/* Bottom Sheet */
.bottom-sheet-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--overlay-bg);
    backdrop-filter: blur(4px);
    z-index: var(--z-bottom-sheet-overlay);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.bottom-sheet-overlay.active {
    display: block;
    opacity: 1;
}

.bottom-sheet {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border-radius: var(--spacing-2xl) var(--spacing-2xl) 0 0;
    z-index: var(--z-bottom-sheet);
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), border-radius 0.3s ease;
    height: 100dvh;
    overflow: hidden;
    /* Content scrolls instead */
    padding-bottom: 0;
    box-shadow: 0 -5px 40px var(--shadow-color-strong);
    touch-action: none;
}

/* Fullscreen State for Top Snap */
.bottom-sheet.fullscreen {
    max-height: 100dvh;
    height: 100dvh;
    border-radius: 0;
    padding-bottom: 0;
}

.bottom-sheet.active {
    transform: translateY(0);
}

/* Handle Styles */
.bottom-sheet-handle-container {
    width: 100%;
    display: flex;
    justify-content: center;
    padding-top: 0.75rem;
    padding-bottom: 0.25rem;
    cursor: grab;
}

.bottom-sheet-handle {
    width: 3rem;
    height: 4px;
    background-color: var(--border-color);
    border-radius: var(--border-radius-xs);
    opacity: 0.5;
}

.bottom-sheet-header-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    position: relative;
    padding: 0.5rem 1.5rem 0;
    margin-bottom: 0;
}

/* Close button styling */
.bottom-sheet-close {
    position: relative;
    top: auto;
    right: auto;
    transform: none;
    background: transparent;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: var(--border-radius-pill);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    font-size: var(--font-size-lg);
    padding: 0;
    box-shadow: none;
}

@media (hover: hover) {
    .bottom-sheet-close:hover {
        color: var(--accent-color);
        background: transparent;
        transform: scale(1.1);
        box-shadow: none;
    }
}

.bottom-sheet-content {
    padding: 1rem 1.5rem 3rem;
    height: calc(100% - 60px);
    /* Allow for handle/header */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.bottom-sheet-title {
    font-size: var(--font-size-xl);
    color: var(--accent-color);
    text-align: center;
    margin-bottom: 1.25rem;
    font-weight: 700;
    padding-left: 0.5rem;
}

/* Menu Grid Layout */
.bottom-sheet-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.sheet-menu-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.85rem var(--spacing-sm);
    min-height: 80px;
    background: var(--highlight-color);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
    text-align: center;
}

@media (hover: hover) {
    .sheet-menu-btn:hover {
        background: var(--card-bg);
        border-color: var(--accent-color);
        transform: translateY(-3px);
        box-shadow: var(--box-shadow-md);
    }
}

.sheet-menu-btn:active {
    transform: scale(0.96);
}

.sheet-menu-btn i {
    font-size: var(--font-size-xl);
    color: var(--accent-color);
    margin-bottom: 0.15rem;
}

/* Special Styling for Weather Btn inside Grid */
.sheet-menu-btn .weather-btn-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: transparent !important;
}

.sheet-menu-btn .weather-btn-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.1rem;
}

.sheet-weather-emoji {
    font-size: var(--font-size-xl);
    animation: floatEmoji 3s ease-in-out infinite;
}

.sheet-weather-temp {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--accent-color);
}

@media (max-width: 768px) {
    .weather-btn-label {
        display: none;
    }
}