/* ═══════════════════════════════════════════════════════════
   APP STYLES - Mobile First
   ═══════════════════════════════════════════════════════════ */

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

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

body {
    font-family: var(--font-main);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    color: var(--accent-hover);
}

/* ── Header ── */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 100;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header-left,
.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
}

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

.logo-accent {
    color: var(--accent);
}

.header-nav {
    display: none;
    gap: 4px;
}

.header-nav a {
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all var(--transition);
}

.header-nav a:hover,
.header-nav a.active {
    color: var(--text);
    background: var(--bg-glass);
}

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

/* ── Bottom Nav (Mobile) ── */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-around;
    z-index: 100;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 6px 12px;
    color: var(--text-muted);
    font-size: 0.7rem;
    transition: color var(--transition);
}

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

.bottom-nav-item svg {
    opacity: 0.7;
}

.bottom-nav-item.active svg {
    opacity: 1;
}

/* ── Main Content ── */
.app-main {
    padding-top: var(--header-height);
    padding-bottom: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom) + 16px);
    min-height: 100vh;
    max-width: 1200px;
    margin: 0 auto;
}

/* ── Cards ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 16px;
    transition: all var(--transition);
}

.card:hover {
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-md);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text);
}

.card-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    border: none;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
    text-decoration: none;
    white-space: nowrap;
}

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

[data-theme="retro"] .btn-primary {
    color: var(--text-inverse);
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 12px var(--accent-glow);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text);
    border: 1px solid var(--border);
}

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

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

.btn-danger:hover {
    background: #dc2626;
}

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

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
}

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

/* ── Forms ── */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ── Grid / Layout ── */
.container {
    padding: 16px;
    max-width: 1200px;
    margin: 0 auto;
}

.page-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.page-subtitle {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.grid {
    display: grid;
    gap: 16px;
}

.grid-2 {
    grid-template-columns: 1fr;
}

.grid-3 {
    grid-template-columns: 1fr;
}

/* ── Badges ── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.badge-info {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.badge-muted {
    background: var(--bg-glass);
    color: var(--text-secondary);
}

/* ── List ── */
.list {
    list-style: none;
}

.list-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.list-item:last-child {
    border-bottom: none;
}

/* ── Stats ── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ── Drawer ── */
.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.drawer-overlay.open {
    opacity: 1;
    visibility: visible;
}

.drawer {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    z-index: 201;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    font-size: 1.2rem;
    font-weight: 700;
}

.drawer-nav {
    flex: 1;
    padding: 12px 0;
    overflow-y: auto;
}

.drawer-nav a {
    display: block;
    padding: 12px 20px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: all var(--transition);
}

.drawer-nav a:hover,
.drawer-nav a.active {
    color: var(--text);
    background: var(--bg-glass);
    border-left: 3px solid var(--accent);
    padding-left: 17px;
}

.drawer-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 8px 0;
}

.drawer-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
}

/* ── Modal ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 300;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

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

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    z-index: 1;
}

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    position: sticky;
    bottom: 0;
    background: var(--bg-secondary);
}

/* ── Toast ── */
.toast-container {
    position: fixed;
    top: calc(var(--header-height) + 16px);
    right: 16px;
    z-index: 400;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 0.9rem;
    box-shadow: var(--shadow-md);
    animation: toastIn 0.3s ease;
    max-width: 320px;
}

.toast.success {
    border-left: 3px solid var(--success);
}

.toast.error {
    border-left: 3px solid var(--danger);
}

.toast.info {
    border-left: 3px solid var(--info);
}

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

/* ── Event Cards ── */
.event-card {
    position: relative;
    overflow: hidden;
}

.event-card .event-dates {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.event-card .event-location {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.event-card .event-stats {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.event-card .event-stat {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.event-card .event-stat strong {
    color: var(--text);
}

/* ── News Cards ── */
.news-card {
    cursor: pointer;
}

.news-card .news-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.news-card .news-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.news-card .news-excerpt {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ── Calendar ── */
.calendar {
    width: 100%;
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.calendar-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.calendar-day-header {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 8px 4px;
    font-weight: 600;
    text-transform: uppercase;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.calendar-day:hover {
    background: var(--bg-glass);
}

.calendar-day.today {
    border: 1px solid var(--accent);
    color: var(--accent);
    font-weight: 700;
}

.calendar-day.other-month {
    color: var(--text-muted);
    opacity: 0.5;
}

.calendar-day.has-event {
    background: var(--accent-glow);
    color: var(--accent);
    font-weight: 600;
}

.calendar-day .event-dot {
    position: absolute;
    bottom: 4px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
}

/* ── Auth ── */
.auth-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    padding: 20px;
    text-align: center;
}

.auth-logo {
    font-size: 3rem;
    margin-bottom: 16px;
}

.auth-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.auth-subtitle {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* ── Profile ── */
.profile-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
}

.profile-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

[data-theme="retro"] .profile-avatar {
    color: var(--text-inverse);
}

.profile-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.profile-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ── Consumption Log ── */
.consumption-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.consumption-item:last-child {
    border-bottom: none;
}

.consumption-item .item-name {
    font-weight: 500;
}

.consumption-item .item-qty {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.consumption-item .item-price {
    font-weight: 600;
    color: var(--accent);
}

/* ── Day Selector ── */
.day-selector {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
}

.day-option {
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.9rem;
}

.day-option:hover {
    border-color: var(--accent);
}

.day-option.selected {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

[data-theme="retro"] .day-option.selected {
    color: var(--text-inverse);
}

.day-option .day-date {
    font-size: 0.75rem;
    opacity: 0.8;
    margin-top: 2px;
}

/* ── Admin ── */
.admin-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.admin-tab {
    padding: 10px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    transition: all var(--transition);
    font-family: inherit;
}

.admin-tab.active {
    background: var(--accent);
    color: white;
}

[data-theme="retro"] .admin-tab.active {
    color: var(--text-inverse);
}

/* ── Empty State ── */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

/* ── Loading ── */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
    color: var(--text-muted);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ── Utility ── */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 16px; }
.hidden { display: none !important; }
.auth-only { display: none; }
.user-auth .auth-only { display: flex; }
.admin-only { display: none; }
.user-admin .admin-only { display: flex; }

/* ── Responsive ── */
@media (min-width: 768px) {
    .menu-btn { display: none; }
    .header-nav { display: flex; }
    .bottom-nav { display: none; }
    .app-main {
        padding-bottom: 32px;
    }
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .stat-grid { grid-template-columns: repeat(4, 1fr); }
    .modal {
        border-radius: var(--radius-lg);
        margin: 20px;
        transform: translateY(20px);
    }
    .modal-overlay {
        align-items: center;
    }
}

@media (min-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* ── Price display ── */
.price {
    font-weight: 700;
    color: var(--accent);
    font-size: 1.1rem;
}

.price-total {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

/* ── Table (Admin) ── */
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.table th,
.table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ── Product grid ── */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}

.product-card {
    text-align: center;
    padding: 16px 12px;
}

.product-card .product-icon {
    font-size: 2rem;
    margin-bottom: 8px;
}

.product-card .product-name {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 4px;
}

.product-card .product-price {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ── Quantity selector ── */
.qty-selector {
    display: flex;
    align-items: center;
    gap: 12px;
}

.qty-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.qty-btn:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.qty-value {
    font-size: 1.2rem;
    font-weight: 700;
    min-width: 32px;
    text-align: center;
}

/* ── Event detail hero ── */
.event-hero {
    padding: 32px 20px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.event-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
}

.event-hero h2 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.event-hero .event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ── Countdown ── */
.countdown {
    display: flex;
    gap: 12px;
    margin: 16px 0;
}

.countdown-item {
    text-align: center;
    padding: 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    min-width: 60px;
}

.countdown-item .countdown-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

.countdown-item .countdown-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
}