/* ============================================
   StayHub Design System
   Modern, Premium Hotel Booking UI
   ============================================ */

/* ============================================
   CSS Variables / Design Tokens
   ============================================ */
:root {
    /* Primary Brand Colors */
    --primary-50: #ecfdf5;
    --primary-100: #d1fae5;
    --primary-200: #a7f3d0;
    --primary-300: #6ee7b7;
    --primary-400: #34d399;
    --primary-500: #10b981;
    --primary-600: #059669;
    --primary-700: #047857;
    --primary-800: #065f46;
    --primary-900: #064e3b;

    /* Accent / Gold */
    --accent-50: #fffbeb;
    --accent-100: #fef3c7;
    --accent-200: #fde68a;
    --accent-300: #fcd34d;
    --accent-400: #fbbf24;
    --accent-500: #f59e0b;

    /* Neutral / Gray */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Semantic */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-header: 300;
    --z-overlay: 400;
    --z-modal: 500;
    --z-toast: 600;

    /* Layout */
    --header-height: 72px;
    --max-width: 1280px;
    --max-width-lg: 1440px;
}

/* ============================================
   Base Reset & Typography
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: #ffffff;
    min-height: 100vh;
}

/* Custom Thin Scrollbar */
::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background-color: rgba(156, 163, 175, 0.4);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: rgba(156, 163, 175, 0.8);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(156, 163, 175, 0.4) transparent;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--gray-900);
}

h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-700);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}



/* ============================================
   Blazor Error UI
   ============================================ */
#blazor-error-ui {
    color-scheme: light only;
    background: #fef2f2;
    bottom: 0;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.1);
    display: none;
    left: 0;
    padding: 1rem 1.5rem;
    position: fixed;
    width: 100%;
    z-index: var(--z-toast);
    border-top: 2px solid var(--danger);
    font-size: 0.875rem;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 1rem;
    top: 0.75rem;
}

.blazor-error-boundary {
    background: var(--danger);
    padding: 1rem;
    color: white;
    border-radius: var(--radius);
}

.blazor-error-boundary::after {
    content: "Đã xảy ra lỗi."
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container { padding: 0 1.5rem; }
}

@media (min-width: 1024px) {
    .container { padding: 0 2rem; }
}

.section {
    padding: 4rem 0;
}

@media (min-width: 768px) {
    .section { padding: 5rem 0; }
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin-bottom: 0.75rem;
}

.section-header p {
    color: var(--gray-500);
    font-size: 1.0625rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Grid System */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 { grid-template-columns: repeat(1, 1fr); }
.grid-3 { grid-template-columns: repeat(1, 1fr); }
.grid-4 { grid-template-columns: repeat(1, 1fr); }

@media (min-width: 640px) {
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1 1 0%; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.min-h-screen { min-height: 100vh; }

/* ============================================
   App Wrapper — Sticky Footer Layout
   ============================================ */
.app-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-wrapper > .main-content {
    flex: 1 1 0%;
}

/* Text */
.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-muted { color: var(--gray-500); }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    line-height: 1.5;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: #fff;
    box-shadow: 0 2px 8px rgb(16 185 129 / 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    box-shadow: 0 4px 12px rgb(16 185 129 / 0.4);
    color: #fff;
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border-color: var(--gray-200);
}

.btn-secondary:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

.btn-outline {
    background: transparent;
    color: var(--primary-600);
    border-color: var(--primary-300);
}

.btn-outline:hover {
    background: var(--primary-50);
    border-color: var(--primary-500);
    color: var(--primary-700);
}

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

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

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.btn-lg {
    padding: 0.75rem 1.75rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-icon {
    padding: 0.625rem;
    width: 40px;
    height: 40px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-slow);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-body {
    padding: 1.25rem;
}

.card-img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    background: var(--gray-100);
}

/* ============================================
   Form Controls
   ============================================ */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.375rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    font-family: inherit;
    color: var(--gray-800);
    background: #fff;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgb(16 185 129 / 0.15);
}

.form-input::placeholder {
    color: var(--gray-400);
}

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

.form-error {
    font-size: 0.8125rem;
    color: var(--danger);
    margin-top: 0.25rem;
}

.form-input.is-error {
    border-color: var(--danger);
}

/* ============================================
   Badges
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    line-height: 1.4;
}

.badge-primary {
    background: var(--primary-100);
    color: var(--primary-700);
}

.badge-success {
    background: #dcfce7;
    color: #15803d;
}

.badge-warning {
    background: #fef3c7;
    color: #a16207;
}

.badge-danger {
    background: #fee2e2;
    color: #b91c1c;
}

.badge-info {
    background: #dbeafe;
    color: #1d4ed8;
}

.badge-gray {
    background: var(--gray-100);
    color: var(--gray-600);
}

/* ============================================
   Star Rating
   ============================================ */
.stars {
    display: inline-flex;
    gap: 2px;
}

.star {
    color: var(--accent-400);
    font-size: 1rem;
}

.star.empty {
    color: var(--gray-300);
}

/* ============================================
   Skeleton Loading
   ============================================ */
.skeleton {
    background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 37%, var(--gray-100) 63%);
    background-size: 400% 100%;
    animation: shimmer 1.4s ease infinite;
    border-radius: var(--radius);
}

@keyframes shimmer {
    0% { background-position: 100% 50%; }
    100% { background-position: 0 50%; }
}

.skeleton-text {
    height: 1rem;
    width: 100%;
    margin-bottom: 0.5rem;
}

.skeleton-text.w-60 { width: 60%; }
.skeleton-text.w-40 { width: 40%; }
.skeleton-text.w-80 { width: 80%; }

.skeleton-img {
    width: 100%;
    aspect-ratio: 16 / 10;
}

/* ============================================
   Toast / Notification
   ============================================ */
.toast-container {
    position: fixed;
    top: calc(var(--header-height) + 1rem);
    right: 1rem;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border-left: 4px solid var(--primary-500);
    min-width: 300px;
    max-width: 420px;
    animation: slideIn 0.3s ease;
}

.toast.toast-error {
    border-left-color: var(--danger);
}

.toast.toast-warning {
    border-left-color: var(--warning);
}

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

/* ============================================
   Pagination
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    margin-top: 2rem;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    background: #fff;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-btn:hover:not(.active):not(:disabled) {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.pagination-btn.active {
    background: var(--primary-600);
    color: #fff;
    border-color: var(--primary-600);
}

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

/* ============================================
   Modal / Overlay
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: fadeIn 0.2s ease;
}

.modal {
    background: #fff;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: scaleIn 0.2s ease;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    font-size: 1.125rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-200);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--gray-400);
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

/* ============================================
   Price Display
   ============================================ */
.price {
    font-weight: 700;
    color: var(--primary-600);
}

.price-large {
    font-size: 1.5rem;
}

.price-unit {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--gray-500);
}

/* ============================================
   Amenity Tags
   ============================================ */
.amenity-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.amenity-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    color: var(--gray-600);
}

/* ============================================
   Responsive Helpers
   ============================================ */
.hide-mobile { display: none; }
.show-mobile { display: block; }

@media (min-width: 768px) {
    .hide-mobile { display: block; }
    .show-mobile { display: none; }
}

/* ============================================
   Scrollbar Styling
   ============================================ */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* ============================================
   Selection Styling
   ============================================ */
::selection {
    background: var(--primary-200);
    color: var(--primary-900);
}

/* ============================================
   Focus Visible
   ============================================ */
[tabindex="-1"]:focus {
    outline: none !important;
}

:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

/* ============================================
   Validation
   ============================================ */
.valid.modified:not([type=checkbox]) {
    outline: none;
    border-color: var(--success);
}

.invalid {
    outline: none;
    border-color: var(--danger) !important;
}

.validation-message {
    color: var(--danger);
    font-size: 0.8125rem;
    margin-top: 0.25rem;
}/* ============================================
   StayHub AI Chatbot Component Styles
   Premium floating chat with smooth animations
   ============================================ */

/* ─── Floating Action Button ────────────────── */
.chatbot-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 900;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 24px rgba(16, 185, 129, 0.4), 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: chatbot-fab-appear 0.4s ease-out;
}

.chatbot-fab:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 8px 32px rgba(16, 185, 129, 0.5), 0 4px 12px rgba(0, 0, 0, 0.15);
}

.chatbot-fab:active {
    transform: scale(0.95);
}

.chatbot-fab-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 14px;
    height: 14px;
    background: #ef4444;
    border-radius: 50%;
    border: 2px solid #fff;
    animation: chatbot-pulse 2s ease infinite;
}

@keyframes chatbot-fab-appear {
    from {
        opacity: 0;
        transform: scale(0.5) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes chatbot-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

/* ─── Chat Window ───────────────────────────── */
.chatbot-window {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 950;
    width: 380px;
    max-width: calc(100vw - 32px);
    height: 560px;
    max-height: calc(100vh - 48px);
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 8px 24px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: chatbot-window-open 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    transform-origin: bottom right;
}

@keyframes chatbot-window-open {
    from {
        opacity: 0;
        transform: scale(0.85) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* ─── Header ────────────────────────────────── */
.chatbot-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: #fff;
    flex-shrink: 0;
}

.chatbot-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chatbot-avatar {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chatbot-header-title {
    font-size: 0.9375rem;
    font-weight: 700;
    margin: 0;
    color: #fff;
}

.chatbot-header-status {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.6875rem;
    opacity: 0.85;
    font-weight: 500;
}

.chatbot-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #4ade80;
    animation: chatbot-pulse 2s ease infinite;
}

.chatbot-close-btn {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    flex-shrink: 0;
}

.chatbot-close-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* ─── Messages Area ─────────────────────────── */
.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: #f8faf9;
    scroll-behavior: smooth;
}

.chatbot-messages::-webkit-scrollbar {
    width: 4px;
}

.chatbot-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chatbot-messages::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

/* ─── Welcome State ─────────────────────────── */
.chatbot-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 24px 16px;
    flex: 1;
}

.chatbot-welcome-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    color: var(--primary-600);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.chatbot-welcome-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.chatbot-welcome-text {
    font-size: 0.8125rem;
    color: var(--gray-500);
    line-height: 1.6;
    max-width: 280px;
    margin-bottom: 20px;
}

.chatbot-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.chatbot-suggestion-chip {
    padding: 6px 14px;
    border-radius: 20px;
    background: #fff;
    border: 1.5px solid var(--primary-200);
    color: var(--primary-700);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.chatbot-suggestion-chip:hover {
    background: var(--primary-50);
    border-color: var(--primary-400);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.15);
}

/* ─── Messages ──────────────────────────────── */
.chatbot-msg {
    display: flex;
    gap: 8px;
    animation: chatbot-msg-appear 0.25s ease-out;
}

@keyframes chatbot-msg-appear {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chatbot-msg-user {
    flex-direction: row-reverse;
}

.chatbot-msg-avatar {
    width: 28px;
    height: 28px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    color: var(--primary-600);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.chatbot-msg-bubble {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 0.8125rem;
    line-height: 1.6;
    word-break: break-word;
    white-space: pre-wrap;
}

.chatbot-msg-user .chatbot-msg-bubble {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: #fff;
    border-bottom-right-radius: 6px;
}

.chatbot-msg-bot .chatbot-msg-bubble {
    background: #fff;
    color: var(--gray-800);
    border: 1px solid var(--gray-200);
    border-bottom-left-radius: 6px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

/* ─── Typing Indicator ──────────────────────── */
.chatbot-typing-bubble {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 18px !important;
}

.chatbot-typing-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gray-400);
    animation: chatbot-typing 1.4s ease-in-out infinite;
}

.chatbot-typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.chatbot-typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes chatbot-typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-6px);
        opacity: 1;
    }
}

/* ─── Input Area ────────────────────────────── */
.chatbot-input-area {
    padding: 12px 16px 16px;
    border-top: 1px solid var(--gray-100);
    background: #fff;
    flex-shrink: 0;
}

.chatbot-input-row {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--gray-50);
    border: 1.5px solid var(--gray-200);
    border-radius: 14px;
    padding: 4px 4px 4px 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.chatbot-input-row:focus-within {
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.chatbot-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 0.875rem;
    font-family: inherit;
    color: var(--gray-800);
    outline: none;
    padding: 8px 0;
    min-width: 0;
}

.chatbot-input::placeholder {
    color: var(--gray-400);
}

.chatbot-send-btn {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
}

.chatbot-send-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    transform: scale(1.05);
}

.chatbot-send-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.chatbot-send-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* ─── Error ──────────────────────────────────── */
.chatbot-error {
    padding: 6px 12px;
    margin-bottom: 8px;
    background: #fef2f2;
    color: #b91c1c;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid #fecaca;
}

/* ─── Mobile Responsive ─────────────────────── */
@media (max-width: 480px) {
    .chatbot-window {
        bottom: 0;
        right: 0;
        width: 100vw;
        height: 100vh;
        max-height: 100vh;
        max-width: 100vw;
        border-radius: 0;
    }

    .chatbot-fab {
        bottom: 16px;
        right: 16px;
        width: 54px;
        height: 54px;
    }
}

/* ============================================
   Maintenance Mode
   ============================================ */
.maintenance-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--gray-50) 0%, #fff 50%, var(--accent-50) 100%);
    padding: 2rem;
    text-align: center;
}

.maintenance-content {
    max-width: 500px;
    background: #fff;
    padding: 3rem 2rem;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--gray-100);
}

.maintenance-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: #fffbeb;
    color: var(--warning);
    border-radius: 50%;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 0 0 8px #fef3c7;
    animation: pulse-warning 2s infinite;
}

@keyframes pulse-warning {
    0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(245, 158, 11, 0); }
    100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

.maintenance-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.maintenance-desc {
    color: var(--gray-600);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.chatbot-link {
    color: #10b981;
    text-decoration: underline;
    font-weight: 500;
}

.chatbot-link:hover {
    color: #059669;
}