:root {
    /* Premium Slate/Gray-Blue Palette - Light Mode */
    --bg-body: #f1f5f9;
    /* Slate 100 */
    --bg-card: #ffffff;
    --text-primary: #334155;
    /* Slate 700 */
    --text-secondary: #64748b;
    --accent-color: #0f172a;
    /* Slate 900 (High contrast) */
    --border-color: #cbd5e1;
    /* Slate 300 */
    --banner-bg: #e2e8f0;
    --banner-text: #1e293b;
    --success-color: #059669;
    --error-color: #dc2626;
    --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --header-bg: rgba(255, 255, 255, 0.9);
    --header-border: 1px solid rgba(203, 213, 225, 0.6);
}

[data-theme="dark"] {
    /* Premium Slate/Gray-Blue Palette - Dark Mode */
    --bg-body: #1e293b;
    /* Deep Slate Gray (Requested) */
    --bg-card: #334155;
    /* Slate 700 */
    --text-primary: #f8fafc;
    /* Slate 50 */
    --text-secondary: #cbd5e1;
    /* Slate 300 */
    --accent-color: #60a5fa;
    /* Blue 400 */
    --border-color: #475569;
    /* Slate 600 */
    --banner-bg: #475569;
    --banner-text: #e2e8f0;
    --header-bg: rgba(30, 41, 59, 0.9);
    --header-border: 1px solid rgba(71, 85, 105, 0.6);
    --card-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.4);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Fix scrolling bug: Reset html/body styles from host page */
html,
body {
    height: auto !important;
    min-height: 100% !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    position: static !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* Header */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background-color: var(--header-bg);
    border-bottom: var(--header-border);
    padding: 1rem 0;
}

.header-content {
    width: 100%;
    /* Full width */
    padding: 0 2rem;
    /* Comfortable padding */
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 0;
}

.subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-left: 2px;
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--accent-color);
}

/* Controls */
.controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    justify-self: end;
}

/* Header Week Info (centered) */
.header-week-info {
    text-align: center;
    line-height: 1.3;
}

.header-center-wrapper {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1.5rem;
    justify-content: center;
}

.weekly-cost {
    white-space: nowrap;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--success-color);
    background-color: var(--bg-body);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
}

.header-week-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.header-week-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.nav-group {
    display: flex;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.25rem;
    border-radius: 8px;
}

.nav-btn {
    background: none;
    border: none;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-btn:hover {
    color: var(--text-primary);
    background-color: rgba(100, 116, 139, 0.1);
}

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

/* Badge for nav buttons (day count indicator) */
.nav-badge {
    background-color: var(--error-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0 6px;
    border-radius: 10px;
    min-width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 8px;
    gap: 3px;
    line-height: 1;
}

.nav-badge .orderable {
    color: #fff;
    font-weight: 800;
}

.nav-badge .separator {
    opacity: 0.6;
    font-weight: 400;
}

.nav-badge .total {
    opacity: 0.8;
    font-weight: 400;
}

.nav-btn.active .nav-badge {
    background: rgba(255, 255, 255, 0.3);
}

/* Primary style for Login Button to match header */
#btn-login-open {
    background-color: var(--accent-color);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    font-weight: 600;
    letter-spacing: 0.025em;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#btn-login-open:hover {
    background-color: #334155;
    /* Slightly lighter than slate-900 */
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* User Badge Button (Login) */
.user-badge-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.user-badge-btn:hover {
    background: rgba(100, 116, 139, 0.1);
    border-color: var(--accent-color);
}

.user-badge-btn .material-icons-round {
    font-size: 1.25rem;
    color: var(--accent-color);
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background-color: rgba(100, 116, 139, 0.1);
}

/* Refresh button animation */
#btn-refresh.refreshing .material-icons-round {
    animation: rotate 1s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Progress Modal */
.progress-container {
    margin-bottom: 1.5rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color) 0%, #60a5fa 100%);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 4px;
}

.progress-percent {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.progress-message {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.weekly-cost {
    background-color: rgba(59, 130, 246, 0.1);
    /* Blue tint */
    color: var(--accent-color);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.weekly-cost .material-icons-round {
    font-size: 18px;
}

/* Container */
.container {
    width: 100%;
    /* Full width */
    margin: 2rem auto;
    padding: 0 2rem;
    min-height: 80vh;
}

/* Banner */
.banner {
    background-color: var(--banner-bg);
    color: var(--banner-text);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    max-width: fit-content;
}

/* User Badge */
.user-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-card);
    /* Changed from --surface */
    border: 1px solid var(--border-color);
    /* Changed from --border */
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.icon-btn-small {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: var(--text-secondary);
    /* Changed from --text-muted */
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.icon-btn-small:hover {
    color: var(--error-color);
    /* Changed from --danger */
    background: rgba(239, 68, 68, 0.1);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: all 0.3s;
}

.modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background: var(--bg-card);
    /* Changed from --surface */
    width: 90%;
    max-width: 400px;
    border-radius: 16px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    animation: modalSlide 0.3s ease-out;
}

@keyframes modalSlide {
    from {
        transform: translateY(20px);
        opacity: 0;
    }

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

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    /* Changed from --border */
}

.modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
}

#login-form {
    padding: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    /* Changed from --border */
    border-radius: 8px;
    background: var(--bg-body);
    /* Changed from --bg */
    color: var(--text-primary);
    /* Changed from --text */
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-color);
    /* Changed from --primary */
}

.help-text {
    display: block;
    margin-top: 4px;
    color: var(--text-secondary);
    /* Changed from --text-muted */
    font-size: 0.75rem;
}

.error-msg {
    margin-bottom: 16px;
    padding: 10px;
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    /* Changed from --danger */
    border-radius: 8px;
    font-size: 0.85rem;
    text-align: center;
}

.modal-actions {
    margin-top: 24px;
}

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

.hidden {
    display: none !important;
}

/* Menu Grid */
.menu-grid {
    display: grid;
    gap: 2rem;
}

.week-section {
    margin-bottom: 3rem;
}

.week-header {
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    text-align: center;
}

.week-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.week-range {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.days-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
}

/* Card */
.menu-card {
    background-color: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
}

/* Past Day Styling - Target specific elements so ordered items can remain visible */
.menu-card.past-day .card-header,
.menu-card.past-day .menu-item:not(.ordered) {
    opacity: 0.6;
    filter: grayscale(0.8);
    transition: opacity 0.3s, filter 0.3s;
}

.menu-card.past-day:hover .card-header,
.menu-card.past-day:hover .menu-item:not(.ordered) {
    opacity: 0.8;
    filter: grayscale(0.4);
}

/* Enhancements for ordered items */
.menu-card.past-day .menu-item.ordered {
    /* No opacity/filter here - fully visible */
    background: var(--bg-card);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--accent-color);
    border-radius: 8px;
    padding: 1rem;
    margin: 0 -1rem 1.5rem -1rem;
    position: relative;
    z-index: 10;
}

.menu-item.today-ordered {
    border: 2px solid var(--accent-color);
    box-shadow: 0 0 20px rgba(96, 165, 250, 0.4);
    border-radius: 8px;
    padding: 1rem;
    margin: 0 -1rem 1.5rem -1rem;
    background: var(--bg-card);
    position: relative;
    z-index: 5;
    animation: pulse-glow 3s infinite;
}

@keyframes pulse-glow {
    0% {
        box-shadow: 0 0 15px rgba(96, 165, 250, 0.3);
    }

    50% {
        box-shadow: 0 0 25px rgba(96, 165, 250, 0.6);
    }

    100% {
        box-shadow: 0 0 15px rgba(96, 165, 250, 0.3);
    }
}


.menu-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    background-color: rgba(100, 116, 139, 0.05);
}

.day-name {
    font-size: 1.125rem;
    font-weight: 600;
}

.day-date {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.card-body {
    padding: 1.25rem;
    display: grid;
    grid-template-rows: auto;
    /* Each menu item gets its own row */
    align-content: start;
}

.empty-state {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    padding: 1rem;
}

/* Menu Items */
.menu-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.menu-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
    gap: 1rem;
}

.item-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.item-price {
    font-weight: 700;
    color: var(--accent-color);
    white-space: nowrap;
}

.item-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.badges {
    display: flex;
    gap: 0.5rem;
    margin-left: auto;
}

.item-status-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 24px;
    font-size: 0.75rem;
    padding: 0 10px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: normal;
    white-space: nowrap;
}

.badge.available {
    background-color: rgba(16, 185, 129, 0.1);
    /* Emerald 500 / 10% */
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge.sold-out {
    background-color: rgba(239, 68, 68, 0.1);
    /* Red 500 / 10% */
    color: var(--error-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge.ordered {
    background-color: rgba(139, 92, 246, 0.1);
    /* Violet 500 / 10% */
    color: #8b5cf6;
    border: 1px solid rgba(139, 92, 246, 0.2);
    gap: 4px;
}

.badge.ordered .material-icons-round {
    font-size: 1rem;
}

/* Loading */
.loading-state {
    text-align: center;
    padding: 4rem;
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: spin 1s linear infinite;
}

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

/* Footer */
.app-footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

/* === Order / Cancel Buttons (inline in status row) === */

.btn-order {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border: none;
    border-radius: 6px;
    background: var(--success-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.btn-order .material-icons-round {
    font-size: 16px;
}

.btn-order:hover:not(:disabled) {
    filter: brightness(1.15);
    transform: translateY(-1px);
}

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

.btn-order.loading {
    pointer-events: none;
    opacity: 0.6;
}

.btn-order-compact {
    padding: 2px 4px;
    gap: 0;
}

.btn-order-compact .material-icons-round {
    font-size: 16px;
}

.btn-cancel {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 6px;
    border: none;
    border-radius: 6px;
    background: var(--error-color);
    color: white;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.btn-cancel .material-icons-round {
    font-size: 16px;
}

.btn-cancel:hover:not(:disabled) {
    filter: brightness(1.15);
    transform: translateY(-1px);
}

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

/* Past days: hide action buttons */
.past-day .item-actions {
    display: none;
}

/* Order count badge (for multi-orders) */
.order-count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    border-radius: 8px;
    margin-left: 4px;
    line-height: 1;
}

/* === Toast Notifications === */
#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    color: white;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    pointer-events: auto;
    transform: translateX(120%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast .material-icons-round {
    font-size: 18px;
}

.toast-success {
    background: rgba(5, 150, 105, 0.95);
}

.toast-error {
    background: rgba(220, 38, 38, 0.95);
}

.toast-info {
    background: rgba(59, 130, 246, 0.95);
}

/* === Mobile Responsiveness === */
@media (max-width: 600px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        padding: 0.75rem;
    }

    .week-nav {
        width: 100%;
        justify-content: center;
    }

    .nav-pills {
        width: 100%;
        justify-content: space-between;
    }

    .nav-btn {
        flex: 1;
        justify-content: center;
        padding: 0.5rem;
        font-size: 0.85rem;
    }

    .days-grid {
        grid-template-columns: 1fr;
        /* Force single column */
    }

    .main-content {
        padding: 1rem;
    }

    .week-title {
        font-size: 1.5rem;
    }

    /* Adjust toast position for mobile */
    .toast-container {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        /* Center on mobile */
        width: auto;
    }

    .menu-card {
        margin-bottom: 1rem;
    }
}

/* === Flagging & Notification Styles === */

.btn-flag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-secondary);
    border-radius: 6px;
    padding: 4px;
    cursor: pointer;
    transition: all 0.2s;
    margin-right: 0.5rem;
    width: 28px;
    height: 28px;
}

.btn-flag:hover {
    background: rgba(234, 179, 8, 0.1);
    /* Yellow-500 / 10% */
    color: #eab308;
    border-color: #eab308;
}

.btn-flag.active {
    background: rgba(234, 179, 8, 0.1);
    color: #eab308;
    border-color: #eab308;
}

.btn-flag .material-icons-round {
    font-size: 1.1rem;
}

/* Flagged & Sold Out (Yellow Glow) */
.menu-item.flagged-sold-out {
    border: 1px solid #eab308;
    box-shadow: 0 0 10px rgba(234, 179, 8, 0.2);
    border-radius: 8px;
    padding: 1rem;
    margin: 0 -1rem 1.5rem -1rem;
    background: var(--bg-card);
    position: relative;
    z-index: 5;
    animation: yellow-pulse 3s infinite;
}

@keyframes yellow-pulse {
    0% {
        box-shadow: 0 0 8px rgba(234, 179, 8, 0.2);
    }

    50% {
        box-shadow: 0 0 16px rgba(234, 179, 8, 0.5);
    }

    100% {
        box-shadow: 0 0 8px rgba(234, 179, 8, 0.2);
    }
}

/* Flagged & Available (Green Glow) */
.menu-item.flagged-available {
    border: 2px solid var(--success-color);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.3);
    border-radius: 8px;
    padding: 1rem;
    margin: 0 -1rem 1.5rem -1rem;
    background: var(--bg-card);
    position: relative;
    z-index: 5;
    animation: green-pulse 3s infinite;
}

@keyframes green-pulse {
    0% {
        box-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
    }

    50% {
        box-shadow: 0 0 20px rgba(16, 185, 129, 0.6);
    }

    100% {
        box-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
    }
}