/* === MODERN CSS VARIABLES === */
:root {
    /* Warm Yellow Color Palette */
    --primary-color: #f59e0b; /* vàng chính */
    --primary-dark: #d97706; /* vàng đậm */
    --primary-light: #fbbf24; /* vàng sáng */
    --secondary-color: #fde68a; /* vàng nhạt */
    --accent-color: #fef3c7; /* vàng rất nhạt */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;
    
    /* Warm Neutral Colors */
    --white: #ffffff;
    --gray-50: #fefdf8; /* cream nhạt */
    --gray-100: #fef7ed; /* cream */
    --gray-200: #fed7aa; /* cam nhạt */
    --gray-300: #fdba74; /* cam */
    --gray-400: #fb923c; /* cam đậm */
    --gray-500: #f97316; /* cam chính */
    --gray-600: #ea580c; /* cam tối */
    --gray-700: #c2410c; /* nâu cam */
    --gray-800: #9a3412; /* nâu đậm */
    --gray-900: #7c2d12; /* nâu tối */
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

/* Add toast container styles */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 12px 20px;
    border-radius: 4px;
    color: white;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    min-width: 250px;
    max-width: 350px;
}

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

.toast-success {
    background: linear-gradient(135deg, #10b981, #059669);
}

.toast-error {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.toast-info {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.toast-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

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

/* === STATS STYLES === */
.page-stats {
    background: linear-gradient(135deg, rgba(255, 248, 220, 0.95), rgba(254, 243, 199, 0.95));
    border-bottom: 1px solid rgba(251, 191, 36, 0.3);
    padding: var(--spacing-md) var(--spacing-xl);
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.stats-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.stats-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 100px;
}

.stats-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-label {
    font-size: 0.9rem;
    color: var(--gray-700);
    font-weight: 500;
    margin-top: var(--spacing-xs);
}

.stats-divider {
    width: 1px;
    background: rgba(251, 191, 36, 0.3);
    margin: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
    .stats-container {
        gap: var(--spacing-md);
    }
    
    .stats-item {
        min-width: 80px;
    }
    
    .stats-number {
        font-size: 1.2rem;
    }
    
    .stats-label {
        font-size: 0.8rem;
    }
    
    .stats-divider {
        margin: 0 var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .page-stats {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .stats-container {
        gap: var(--spacing-sm);
    }
    
    .stats-item {
        min-width: 60px;
    }
    
    .stats-number {
        font-size: 1rem;
    }
    
    .stats-label {
        font-size: 0.7rem;
    }
    
    .stats-divider {
        margin: 0 var(--spacing-sm);
    }
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background: var(--gray-50);
    background-image: url('../tuvi.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    min-height: 100vh;
    color: var(--gray-800);
    padding: 0;
    margin: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
}

/* Preload key assets to improve LCP */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(254, 243, 199, 0.85); /* warm yellow overlay */
    z-index: -1;
    backdrop-filter: blur(2px);
}

/* Optimize main content for LCP */
.main-content {
    background: rgba(255, 248, 220, 0.95); /* warm cream */
    backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(251, 191, 36, 0.3);
    position: relative;
    z-index: 1;
    margin-bottom: var(--spacing-xl);
    contain: layout style paint;
}

/* Optimize h1 for LCP */
h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #111827, #1f2937);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    contain: layout style;
}

/* Mobile LCP optimizations */
@media (max-width: 768px) {
    body {
        background-attachment: scroll; /* Improve performance on mobile */
    }
    
    h1 {
        font-size: 2rem;
        text-align: center;
        margin-left: 0;
    }
    
    .main-content {
        padding: var(--spacing-xl);
        border-radius: var(--radius-xl);
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }
    
    .main-content {
        padding: var(--spacing-lg);
    }
}

/* === HEADER STYLES === */
/* Header styles moved to sidebar.css */

/* === MAIN CONTENT === */

/* === FORM STYLES === */
.input-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.input-field {
    position: relative;
}

.input-field label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: #374151;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.input-field input,
.input-field select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid rgba(251, 191, 36, 0.3);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: var(--transition-fast);
    background: rgba(255, 248, 220, 0.8);
    color: #111827;
    box-shadow: var(--shadow-sm);
    min-height: 44px;
    font-family: inherit;
}

.input-field input:focus,
.input-field select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
    transform: translateY(-1px);
    background: rgba(255, 248, 220, 1);
}

.input-field input:hover,
.input-field select:hover {
    border-color: rgba(251, 191, 36, 0.5);
    background: rgba(255, 248, 220, 0.9);
}

.input-hint {
    margin-top: 8px;
    font-size: 14px;
    color: #6b7280;
}

/* Responsive classes for user context sections */
.responsive-input,
.responsive-select,
.responsive-textarea {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid rgba(251, 191, 36, 0.3);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: var(--transition-fast);
    background: rgba(255, 248, 220, 0.8);
    color: #111827;
    box-shadow: var(--shadow-sm);
    min-height: 44px;
    font-family: inherit;
    box-sizing: border-box;
}

.responsive-textarea {
    min-height: 100px;
    resize: vertical;
    font-family: inherit;
}

.responsive-input:focus,
.responsive-select:focus,
.responsive-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
    transform: translateY(-1px);
    background: rgba(255, 248, 220, 1);
}

.responsive-input:hover,
.responsive-select:hover,
.responsive-textarea:hover {
    border-color: rgba(251, 191, 36, 0.5);
    background: rgba(255, 248, 220, 0.9);
}

.responsive-textarea-container {
    grid-column: span 2;
}

/* Mobile form adjustments */
@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
        text-align: center;
        margin-left: 0;
    }
    
    .main-content {
        padding: var(--spacing-xl);
    }
    
    .input-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .input-field input,
    .input-field select {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 18px var(--spacing-lg); /* Larger touch targets */
    }
    
    .input-field label {
        font-size: 1rem;
        margin-bottom: var(--spacing-xs);
    }
    
    /* Mobile adjustments for user context sections */
    .responsive-textarea-container {
        grid-column: span 1;
    }
    
    .responsive-input,
    .responsive-select,
    .responsive-textarea {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 18px var(--spacing-lg); /* Larger touch targets */
    }
    
    .responsive-textarea {
        min-height: 120px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.8rem;
    }
    
    .main-content {
        padding: var(--spacing-lg);
    }
    
    .responsive-input,
    .responsive-select,
    .responsive-textarea {
        padding: 15px var(--spacing-md); /* Adjust padding for small screens */
    }
    
    .responsive-textarea {
        min-height: 100px;
    }
}

/* === MAI HOA OPTIONS STYLES === */
.mai-hoa-options {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background: rgba(254, 243, 199, 0.7);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.mai-hoa-options h3 {
    margin-bottom: var(--spacing-md);
    color: var(--gray-800);
    font-size: 1.1rem;
    font-weight: 600;
}

.radio-option {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.radio-option:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(251, 191, 36, 0.4);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.radio-option input[type="radio"] {
    margin-right: var(--spacing-md);
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.radio-option span {
    font-weight: 500;
    color: var(--gray-700);
    font-size: 0.95rem;
}

.radio-option input[type="radio"]:checked + span {
    color: var(--primary-dark);
    font-weight: 600;
}

#fixed-time-inputs {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-md);
    border: 1px solid rgba(251, 191, 36, 0.2);
}

/* === HEXAGRAM DISPLAY STYLES === */
.divination-info {
    background: rgba(254, 243, 199, 0.8);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border: 1px solid rgba(251, 191, 36, 0.3);
    box-shadow: var(--shadow-md);
}

.divination-info h3 {
    color: var(--primary-dark);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.divination-info p {
    margin-bottom: var(--spacing-md);
    color: var(--gray-700);
    line-height: 1.6;
}

.divination-info strong {
    color: var(--gray-800);
    font-weight: 600;
}

.hexagram-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    justify-content: center;
    margin: var(--spacing-xl) 0;
}

.hexagram {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(251, 191, 36, 0.3);
    text-align: center;
    min-width: 300px;
    max-width: 400px;
    flex: 1;
}

.hexagram h3 {
    color: var(--primary-dark);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

.hexagram-lines {
    font-family: 'Courier New', monospace;
    font-size: 1.2rem;
    line-height: 1.2;
    margin: var(--spacing-lg) 0;
    color: var(--gray-800);
    letter-spacing: 2px;
}

.hexagram-lines div {
    margin-bottom: var(--spacing-xs);
}

.hexagram-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: var(--spacing-lg) 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hexagram-description {
    color: var(--gray-600);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

.changing-lines {
    background: rgba(251, 191, 36, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
    color: var(--primary-dark);
    font-weight: 600;
    text-align: center;
}

.calculation-details {
    background: rgba(254, 243, 199, 0.6);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    border-left: 4px solid var(--primary-color);
}

.calculation-details h4 {
    color: var(--primary-dark);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.calculation-details p {
    margin-bottom: var(--spacing-sm);
    font-family: 'Courier New', monospace;
    color: var(--gray-700);
    background: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    display: inline-block;
    margin-right: var(--spacing-md);
}

/* === BUTTON STYLES === */
.action-buttons {
    text-align: center;
    margin-top: var(--spacing-xl);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-xl);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    transition: var(--transition-fast);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    min-width: 120px;
    min-height: 44px; /* Minimum touch target size for mobile */
}

/* Mobile button adjustments */
@media (max-width: 768px) {
    .btn {
        padding: 18px var(--spacing-xl); /* Larger touch targets */
        font-size: 1.1rem;
        min-width: 100px;
        width: 100%;
        max-width: 300px;
        margin: 0 auto var(--spacing-sm);
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .action-buttons .btn {
        width: 100%;
        max-width: 300px;
        margin-bottom: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 15px var(--spacing-xl);
        font-size: 1rem;
    }
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

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

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

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: var(--shadow-sm);
}

#analyzeBatTuBtn:disabled {
    position: relative;
    overflow: hidden;
}

#analyzeBatTuBtn:disabled::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 1.5s infinite;
}

.btn-secondary {
    background: linear-gradient(135deg, var(--gray-500), var(--gray-600));
    font-size: 0.9rem;
    padding: var(--spacing-sm) var(--spacing-lg);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--gray-600), var(--gray-700));
}

.btn-retry {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    font-size: 0.9rem;
    padding: var(--spacing-sm) var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

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

/* === SPINNER ANIMATION === */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes spin-pulse {
    0% { 
        transform: rotate(0deg) scale(1);
        box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.8);
    }
    50% { 
        transform: rotate(180deg) scale(1.1);
        box-shadow: 0 0 0 10px rgba(245, 158, 11, 0.1);
    }
    100% { 
        transform: rotate(360deg) scale(1);
        box-shadow: 0 0 0 20px rgba(245, 158, 11, 0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

@keyframes rotate-colors {
    0% { 
        border-top-color: var(--primary-color);
        border-right-color: var(--primary-light);
        border-bottom-color: var(--primary-dark);
        border-left-color: var(--accent-color);
    }
    25% { 
        border-top-color: var(--primary-light);
        border-right-color: var(--primary-dark);
        border-bottom-color: var(--accent-color);
        border-left-color: var(--primary-color);
    }
    50% { 
        border-top-color: var(--primary-dark);
        border-right-color: var(--accent-color);
        border-bottom-color: var(--primary-color);
        border-left-color: var(--primary-light);
    }
    75% { 
        border-top-color: var(--accent-color);
        border-right-color: var(--primary-color);
        border-bottom-color: var(--primary-light);
        border-left-color: var(--primary-dark);
    }
    100% { 
        border-top-color: var(--primary-color);
        border-right-color: var(--primary-light);
        border-bottom-color: var(--primary-dark);
        border-left-color: var(--accent-color);
    }
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(251, 191, 36, 0.3);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    vertical-align: middle;
    margin-right: var(--spacing-sm);
}

.battu-spinner {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 5px solid rgba(251, 191, 36, 0.3);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin-pulse 1.5s ease-in-out infinite;
    margin: 20px auto;
    position: relative;
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
}

.battu-spinner::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 5px solid transparent;
    border-top-color: var(--primary-light);
    border-radius: 50%;
    animation: spin 2s linear infinite reverse;
    opacity: 0.7;
}

.battu-spinner::after {
    content: '';
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border: 5px solid transparent;
    border-top-color: var(--primary-dark);
    border-radius: 50%;
    animation: spin 3s linear infinite;
    opacity: 0.7;
}

.progress-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, rgba(255, 248, 220, 0.9), rgba(254, 243, 199, 0.9));
    border-radius: var(--radius-xl);
    border: 1px solid rgba(251, 191, 36, 0.3);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.progress-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 1s;
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.progress-container .spinner {
    width: 40px;
    height: 40px;
    border-width: 4px;
    margin: 0;
}

.progress-container .battu-spinner {
    width: 60px;
    height: 60px;
    border-width: 5px;
    margin: 0;
    animation: spin-pulse 1.5s ease-in-out infinite;
}

.progress-text {
    font-size: 1.1rem;
    color: var(--gray-700);
    font-weight: 500;
    text-align: center;
    animation: pulse 2s ease-in-out infinite;
    position: relative;
}

.progress-text::before {
    content: '✨';
    margin-right: 10px;
    animation: bounce 1s ease-in-out infinite;
}

.progress-text::after {
    content: '✨';
    margin-left: 10px;
    animation: bounce 1s ease-in-out infinite 0.5s;
}

.waiting-message {
    font-size: 1rem;
    color: var(--primary-dark);
    font-weight: 600;
    text-align: center;
    margin-top: 15px;
    padding: 10px 20px;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(245, 158, 11, 0.2));
    border-radius: var(--radius-lg);
    border: 1px solid rgba(251, 191, 36, 0.3);
    animation: pulse 3s ease-in-out infinite;
}

.baoloi {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    background: linear-gradient(45deg, #fff8dc, #ffe4e1);
    border-radius: 15px;
    border: 1px solid #ffd1dc;
}

.baoloi a {
    color: #d35400;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.baoloi a:hover {
    color: #ff6b6b;
    text-shadow: 0 2px 4px rgba(255, 107, 107, 0.3);
}

#quangcao {
    background: linear-gradient(45deg, #fff8dc, #ffe4e1);
    border: 1px solid #ffd1dc;
    margin-top: 30px;
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    font-weight: 600;
    color: #d35400;
    box-shadow: 0 4px 15px rgba(255, 209, 220, 0.3);
    animation: gentle-glow 2s ease-in-out infinite alternate;
}

@keyframes gentle-glow {
    0% { box-shadow: 0 4px 15px rgba(255, 209, 220, 0.3); }
    100% { box-shadow: 0 6px 20px rgba(255, 209, 220, 0.5); }
}

#quangcao a {
    color: #d35400;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

#quangcao a:hover {
    color: #ff6b6b;
    text-shadow: 0 2px 4px rgba(255, 107, 107, 0.3);
    transform: translateY(-1px);
}

/* === LASO GRID STYLES === */
#laso-container {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--accent-color); /* Light yellow background */
    box-shadow: var(--shadow-lg);
    margin: var(--spacing-xl) auto; /* Center the container */
    transition: all 0.3s ease;
    max-width: 550px; /* Adjusted to 1.1 times */
    width: 100%;
    transform: scale(1.1);
    transform-origin: top center;
    position: relative;
    z-index: 1;
}

#laso-grid-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, auto);
    gap: 1px;
    background-color: var(--gray-200);
    font-size: 0.585rem; /* Increased by 1.3 times */
    transition: transform 0.3s ease;
    transform-origin: top center;
    width: 100%;
    margin: 0 auto;
    max-width: 100%;
    /* Add explicit dimensions to prevent CLS */
    box-sizing: border-box;
    min-height: 300px;
}

.palace-box {
    background: var(--white);
    padding: 1.1px; /* Increased by 1.1 times */
    display: flex;
    flex-direction: column;
    position: relative;
    min-height: 66px; /* Increased by 1.1 times */
    transition: var(--transition-fast);
    font-size: 0.495rem; /* Increased by 1.1 times */
    /* Add explicit dimensions to prevent CLS */
    box-sizing: border-box;
}

.palace-header {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    font-size: 0.55rem; /* Increased by 1.1 times */
    color: var(--gray-500);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--gray-100);
}

.palace-name {
    text-align: center;
    font-size: 0.495rem; /* Increased by 1.1 times */
    font-weight: 700;
    color: var(--primary-color);
    margin: 1.1px 0;
    padding-bottom: 1.1px;
}

.palace-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: var(--spacing-xs);
}

.main-stars {
    text-align: center;
    font-weight: 700;
    font-size: 0.495rem; /* Increased by 1.1 times */
    line-height: 1.1;
    color: var(--gray-700);
    margin-bottom: 1.1px;
}

.aux-stars-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 1px;
    width: 100%;
    font-size: 0.45rem; /* Increased by 1.1 times */
    line-height: 1.1;
}

.aux-stars-col1 {
    text-align: left;
}

.aux-stars-col2 {
    text-align: right;
}

.palace-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    font-weight: 600;
    color: var(--gray-500);
    font-size: 0.385rem; /* Increased by 1.1 times */
    padding-top: 1.1px;
    border-top: 1px solid var(--gray-100);
    margin-top: auto;
}

.tuan-triet-box {
    background: linear-gradient(135deg, var(--gray-700), var(--gray-800));
    color: var(--white);
    padding: 1.1px 1.1px;
    border-radius: 1.1px;
    font-size: 0.385rem; /* Increased by 1.1 times */
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.tuan-triet-container {
    display: flex;
    gap: var(--spacing-xs);
}

.palace-phihoa {
    display: none;
    font-size: 0.44rem; /* Increased by 1.1 times */
    color: #dc2626; /* Đổi từ var(--secondary-color) sang màu đỏ */
    padding: var(--spacing-xs) 0;
    margin-top: var(--spacing-xs);
    border-top: 1px dashed var(--gray-200);
    font-weight: 600; /* Tăng độ đậm để dễ nhìn hơn */
    width: 100%;
    line-height: 1.2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
}

.palace-phihoa div {
    text-align: left;
    padding-left: var(--spacing-xs);
}

.center-info {
    grid-column: 2 / 4;
    grid-row: 2 / 4;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 6.6px; /* Increased by 1.1 times */
    text-align: center;
    background: linear-gradient(145deg, var(--gray-50), var(--gray-100));
    border-radius: var(--radius-md);
    font-size: 0.495rem; /* Increased by 1.1 times */
    /* Add explicit dimensions to prevent CLS */
    box-sizing: border-box;
    min-height: 120px;
}

.center-info h3 {
    color: var(--primary-dark);
    margin-bottom: 3.3px; /* Increased by 1.1 times */
    font-size: 0.77rem; /* Increased by 1.1 times */
    font-weight: 700;
}

.center-info p {
    margin: 1.1px 0; /* Increased by 1.1 times */
    line-height: 1.2; /* Further reduced line height */
    font-size: 0.495rem; /* Increased by 1.1 times */
    color: var(--gray-500);
}

/* === CONTROLS AND LEGEND === */
.laso-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-top: 1px solid var(--gray-200);
    background: linear-gradient(135deg, var(--gray-50), var(--white));
}

.laso-legend {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    font-size: 0.7rem;
    align-items: center;
}

/* === STAR STYLING === */
.star-main {
    font-weight: 700;
}

.star-hoa {
    font-weight: 700;
}

.star-luu {
    font-style: italic;
}

.star-element-kim { color: #64748b; }
.star-element-moc { color: #059669; }
.star-element-thuy { color: #0284c7; }
.star-element-hoa { color: #dc2626; }
.star-element-tho { color: #d97706; }

.star-status {
    font-size: 0.85em;
    color: var(--primary-color);
    font-weight: 400;
    margin-left: var(--spacing-xs);
    opacity: 0.8;
}

/* === RESULTS LAYOUT === */
.results-layout {
    display: block;
    gap: var(--spacing-2xl);
}

#sidebar-nav {
    background: linear-gradient(135deg, var(--white), #fffdf5);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
    margin-bottom: var(--spacing-xl);
}

/* Table of Contents Styles */
.toc-container {
    background: linear-gradient(135deg, var(--white), #fffdf5);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
    position: sticky;
    top: 10px;
    z-index: 100;
    /* Add explicit dimensions to prevent CLS */
    box-sizing: border-box;
}

.toc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    cursor: pointer;
    font-weight: 600;
}

.toc-header h4 {
    margin: 0;
    color: white;
    font-size: 1.2rem;
}

.toc-toggle {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.toc-toggle.rotated {
    transform: rotate(180deg);
}

.toc-content {
    padding: 0 var(--spacing-xl);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.toc-content.expanded {
    padding: var(--spacing-xl);
    max-height: 1000px;
}

#sidebar-nav:empty {
    display: none;
}

#sidebar-nav h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--gray-100);
    padding-bottom: var(--spacing-md);
    font-weight: 700;
}

#sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

#sidebar-nav li a {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--gray-600);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    border: 1px solid transparent;
}

#sidebar-nav li a:hover,
#sidebar-nav li a.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

#analysisResultsContainer {
    display: block;
    min-height: 200px; /* Reserve space for content */
}

/* === RESULT CARDS === */
.result-card {
    background: linear-gradient(135deg, var(--white), #fffdf5);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-100);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    /* Add explicit dimensions to prevent CLS */
    min-height: 150px;
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.result-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.result-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--gray-100);
    position: relative;
}

.result-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.result-content {
    line-height: 1.8;
    color: var(--gray-700);
}

.result-content h3 {
    font-size: 1.25rem;
    color: var(--gray-800);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-color);
    border-bottom-color: rgba(102, 126, 234, 0.2);
    font-weight: 600;
}

.result-content strong {
    color: var(--primary-color);
    font-weight: 600;
}

.result-card.error {
    border-left-color: var(--error-color);
}

.result-card.error .result-title {
    color: var(--error-color);
}

/* === SUGGESTED QUESTIONS === */
#suggested-questions-section {
    background: linear-gradient(135deg, rgba(255, 248, 220, 0.9), rgba(254, 243, 199, 0.9));
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

/* Fix CLS issues by setting explicit dimensions for images */
.blog-post-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    aspect-ratio: 4/3;
    display: block;
}

.ad-banner img {
    max-width: 100%;
    max-height: 100px;
    height: auto;
    border-radius: var(--radius-md);
    vertical-align: middle;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
    /* Set explicit dimensions to prevent CLS */
    width: 100%;
    height: auto;
}

/* Fix CLS for dynamic content */
#analysisResultsContainer {
    display: block;
    min-height: 200px; /* Reserve space for content */
}

.result-card {
    background: linear-gradient(135deg, var(--white), #fffdf5);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-100);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    /* Add explicit dimensions to prevent CLS */
    min-height: 150px;
}

/* Fix CLS for chat messages */
.chat-message {
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    max-width: 85%;
    animation: fadeInUp 0.3s ease;
    /* Reserve space to prevent layout shifts */
    min-height: 60px;
}

/* Fix CLS for form elements */
.input-field input,
.input-field select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid rgba(251, 191, 36, 0.3);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: var(--transition-fast);
    background: rgba(255, 248, 220, 0.8);
    color: #111827;
    box-shadow: var(--shadow-sm);
    min-height: 44px;
    font-family: inherit;
    /* Add explicit dimensions to prevent CLS */
    box-sizing: border-box;
}

/* Fix CLS for buttons */
.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-xl);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    transition: var(--transition-fast);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    min-width: 120px;
    min-height: 44px;
    /* Add explicit dimensions to prevent CLS */
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Fix CLS for sidebar */
.sidebar {
    width: 200px;
    background: linear-gradient(135deg, rgba(255, 248, 220, 0.95), rgba(254, 243, 199, 0.95));
    backdrop-filter: blur(10px);
    border-right: 1px solid rgba(251, 191, 36, 0.3);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    transition: all 0.3s ease;
    overflow: hidden;
    transform: translateX(0);
    display: flex;
    flex-direction: column;
    /* Add explicit dimensions to prevent CLS */
    box-sizing: border-box;
}

/* Fix CLS for modal content */
.modal-content {
    background: linear-gradient(135deg, var(--white), var(--gray-50));
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-xl);
    position: relative;
    transform: scale(0.9) translateY(-20px);
    transition: var(--transition-normal);
    border: 1px solid var(--gray-200);
    /* Add explicit dimensions to prevent CLS */
    box-sizing: border-box;
    min-height: 200px;
}

/* Fix CLS for table of contents */
.toc-container {
    background: linear-gradient(135deg, var(--white), #fffdf5);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
    position: sticky;
    top: 10px;
    z-index: 100;
    /* Add explicit dimensions to prevent CLS */
    box-sizing: border-box;
}

/* Fix CLS for palace grid */
#laso-grid-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, auto);
    gap: 1px;
    background-color: var(--gray-200);
    font-size: 0.585rem;
    transition: transform 0.3s ease;
    transform-origin: top center;
    width: 100%;
    margin: 0 auto;
    max-width: 100%;
    /* Add explicit dimensions to prevent CLS */
    box-sizing: border-box;
    min-height: 300px;
}

.palace-box {
    background: var(--white);
    padding: 1.1px;
    display: flex;
    flex-direction: column;
    position: relative;
    min-height: 66px;
    transition: var(--transition-fast);
    font-size: 0.495rem;
    /* Add explicit dimensions to prevent CLS */
    box-sizing: border-box;
}

/* Fix CLS for center info */
.center-info {
    grid-column: 2 / 4;
    grid-row: 2 / 4;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 6.6px;
    text-align: center;
    background: linear-gradient(145deg, var(--gray-50), var(--gray-100));
    border-radius: var(--radius-md);
    font-size: 0.495rem;
    /* Add explicit dimensions to prevent CLS */
    box-sizing: border-box;
    min-height: 120px;
}


#suggested-questions-section h4 {
    color: var(--info-color);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.suggested-btn-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.suggested-btn {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-xl);
    transition: var(--transition-fast);
    font-weight: 500;
    min-height: 44px; /* Minimum touch target size for mobile */
}

/* Mobile suggested button adjustments */
@media (max-width: 768px) {
    .suggested-btn-group {
        flex-direction: column;
        align-items: center;
    }
    
    .suggested-btn {
        padding: 15px var(--spacing-lg); /* Larger touch targets */
        font-size: 1rem;
        width: 100%;
        max-width: 300px;
        margin-bottom: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .result-title {
        font-size: 1.3rem;
    }
}

.suggested-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

#pre-analysis-results {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    border-left: 4px solid var(--info-color);
    line-height: 1.7;
    color: var(--gray-700);
    box-shadow: var(--shadow-sm);
}

#pre-analysis-results strong {
    color: var(--info-color);
}

/* === PROGRESS SECTION === */
#progress-section {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

.progress-text {
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
    color: var(--gray-700);
    font-weight: 500;
}

.palace-progress-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
}

.palace-progress-card {
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    color: var(--gray-500);
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-weight: 500;
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.palace-progress-card.processing {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: linear-gradient(135deg, #e0f2fe, #f0f9ff);
    font-weight: 700;
    animation: pulse 2s infinite;
}

.palace-progress-card.completed {
    border-color: var(--success-color);
    color: var(--success-color);
    background: linear-gradient(135deg, #ecfdf5, #f0fdf4);
    font-weight: 700;
}

.palace-progress-card.completed::after {
    content: ' ✓';
    font-size: 1.2rem;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.4);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(102, 126, 234, 0);
    }
}

/* === CHATBOT SECTION === */
#chatbot-section {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(255, 248, 220, 0.9), rgba(254, 243, 199, 0.9));
    border: 1px solid rgba(251, 191, 36, 0.3);
    box-shadow: var(--shadow-md);
}

#chatbot-section h3 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xl);
    font-weight: 700;
}

#chat-window {
    height: 350px;
    overflow-y: auto;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    background: var(--white);
    display: flex;
    flex-direction: column;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
    gap: var(--spacing-md);
}

.chat-message {
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    max-width: 85%;
    animation: fadeInUp 0.3s ease;
    position: relative;
    clear: both;
    width: 100%;
    flex-shrink: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-message .sender {
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.chat-message .bubble {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-xl);
    line-height: 1.6;
    word-wrap: break-word;
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 1;
}

.user-message {
    align-self: flex-end;
    align-items: flex-end;
}

.bot-message {
    align-self: flex-start;
    align-items: flex-start;
}

/* Add performance optimizations for mobile devices */
@media (max-width: 768px) {
    /* Optimize animations for mobile */
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    /* Reduce background image complexity on mobile */
    body {
        background-attachment: scroll;
        background-size: cover;
    }
    
    /* Optimize touch targets */
    .btn, .sidebar-link, .input-field input, .input-field select {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Optimize form layout for mobile */
    .input-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    /* Optimize palace grid for mobile */
    #laso-grid-container {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(4, auto);
    }
    
    /* Optimize modal for mobile */
    .modal-content {
        width: 95%;
        max-width: 95%;
        padding: var(--spacing-lg);
    }
    
    /* Optimize chat interface for mobile */
    #chat-window {
        height: 300px;
    }
    
    .chat-message {
        max-width: 90%;
    }
    
    #chat-input-form {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    #chat-input {
        width: 100%;
    }
    
    #chat-submit-btn {
        width: 100%;
        padding: var(--spacing-md);
    }
    
    /* Optimize result cards for mobile */
    .result-card {
        padding: var(--spacing-lg);
        border-radius: var(--radius-lg);
    }
    
    .result-title {
        font-size: 1.5rem;
    }
    
    /* Optimize suggested buttons for mobile */
    .suggested-btn-group {
        flex-direction: column;
        align-items: center;
    }
    
    .suggested-btn {
        width: 100%;
        max-width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    /* Optimize table of contents for mobile */
    .toc-header h4 {
        font-size: 1rem;
    }
    
    /* Optimize palace progress grid for mobile */
    .palace-progress-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: var(--spacing-sm);
    }
    
    .palace-progress-card {
        padding: var(--spacing-md);
        font-size: 0.9rem;
    }
}

/* Add performance optimizations for small mobile devices */
@media (max-width: 480px) {
    /* Further reduce animations */
    * {
        animation: none !important;
        transition: none !important;
    }
    
    /* Optimize spacing for small screens */
    .main-content {
        padding: var(--spacing-md);
    }
    
    .result-card {
        padding: var(--spacing-md);
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .result-title {
        font-size: 1.25rem;
    }
    
    /* Optimize form elements for small screens */
    .input-field input,
    .input-field select {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 16px var(--spacing-md);
    }
    
    .input-field label {
        font-size: 1rem;
    }
    
    /* Optimize buttons for small screens */
    .btn {
        padding: 16px var(--spacing-lg);
        font-size: 1rem;
        min-height: 44px;
    }
    
    /* Optimize sidebar for small screens */
    .sidebar {
        width: 100%;
    }
    
    .sidebar-link {
        padding: 16px var(--spacing-md);
        font-size: 1rem;
    }
    
    /* Optimize modal for small screens */
    .modal-content {
        padding: var(--spacing-md);
    }
    
    /* Optimize chat for small screens */
    #chat-window {
        height: 250px;
    }
}

/* Add contain properties for better rendering performance */
.main-layout {
    contain: layout style;
}

.header {
    contain: layout style;
}

.footer {
    contain: layout style;
}

/* Optimize image loading */
img {
    contain: layout style;
}

/* Optimize scroll performance */
.main-content {
    -webkit-overflow-scrolling: touch;
}

#chat-window {
    -webkit-overflow-scrolling: touch;
}

/* Optimize transform properties for better performance */
.sidebar {
    will-change: transform;
}

.modal-overlay {
    will-change: opacity;
}

/* Optimize backdrop filter for performance */
body::before {
    will-change: transform;
}

.main-content {
    will-change: transform;
}

/* Optimize animations with transform instead of changing layout properties */
.sidebar.open {
    transform: translateX(0);
    transition: transform 0.3s ease;
}

.sidebar-overlay.active {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* Optimize modal animations */
.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
    transition: transform 0.3s ease;
}

.user-message .sender {
    color: var(--primary-color);
}

.user-message .bubble {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    border-bottom-right-radius: var(--radius-sm);
}

.bot-message {
    align-self: flex-start;
    align-items: flex-start;
}

.bot-message .sender {
    color: var(--success-color);
}

.bot-message .bubble {
    background: linear-gradient(135deg, #fffaf0, #fffdf5);
    color: var(--gray-700);
    border-bottom-left-radius: var(--radius-sm);
}

.typing-indicator .bubble {
    font-style: italic;
    color: var(--gray-500);
    background: var(--gray-100);
}

#chat-input-form {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    flex-shrink: 0;
}

#chat-input {
    flex-grow: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    font-size: 1rem;
    transition: var(--transition-fast);
}

/* === FIND BIRTH HOUR LAYOUT (improve spacing, grid) === */
#birthHourResultsContainer .result-card { max-width: 900px; margin-left: auto; margin-right: auto; }
#birthHourFinderModal .input-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
/* Làm form trong modal rộng-ngắn hơn */
#birthHourFinderModal .modal-content { max-width: 800px; max-height: 70vh; overflow-y: auto; }
#birthHourFinderModal .input-field input,#birthHourFinderModal .input-field select{ padding: var(--spacing-sm) var(--spacing-md); }
#birthHourFinderModal .input-grid{ gap: var(--spacing-sm); }

/* Grid gọn cho kết quả tìm giờ sinh */
.bh-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}
.bh-item {
    background: linear-gradient(135deg, var(--white), var(--gray-50));
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}
.bh-title { font-weight: 800; color: var(--primary-dark); display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--spacing-sm); }
.bh-score { color: var(--success-color); font-weight: 800; }
.bh-line { font-size: 0.95rem; color: var(--gray-700); }

#chat-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

#chat-submit-btn {
    border-radius: var(--radius-xl);
    padding: 0 var(--spacing-xl);
    min-width: 80px;
}

/* === BAT TU TABLE (REVISED) === */
.battu-container {
    margin-bottom: var(--spacing-xl);
    width: 100%;
    max-width: 720px;
    /* Thêm margin auto để tự động căn giữa */
    margin-left: auto;
    margin-right: auto;
}

.battu-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px; /* Giảm gap để liền mạch hơn */
    text-align: center;
    border: 1px solid var(--gray-200); /* Giảm độ dày border */
    border-radius: var(--radius-lg);
    overflow: hidden; /* CỰC KỲ QUAN TRỌNG: để sửa lỗi bo góc */
    background-color: var(--gray-200); /* Nền cho các đường kẻ grid */
    box-shadow: var(--shadow-md);
}

.battu-pillar {
    display: flex;
    flex-direction: column;
    background-color: var(--white); /* Nền trắng cho mỗi cột */
}

.battu-pillar-header {
    font-weight: 700;
    padding: var(--spacing-sm);
    background: #eef2ff;
    color: #3730a3;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.battu-char {
    font-size: 2rem;
    font-weight: 800;
    padding: var(--spacing-lg) var(--spacing-md);
    color: #111827;
    transition: var(--transition-fast);
    line-height: 1.2; /* Căn chỉnh chiều cao dòng tốt hơn */
}
/* Xóa border-bottom giữa các ô can-chi để dùng grid gap */
.battu-char:not(:last-child) {
    border-bottom: 1px solid var(--gray-100);
}


.battu-char:hover {
    background: linear-gradient(135deg, #e0f2fe, #f0f9ff);
    color: #1d4ed8;
}

/* SỬA LỖI CĂN GIỮA TRONG CARD KẾT QUẢ */
.battu-result-card .result-content {
    /* Hoàn tác lại các thuộc tính flex cũ */
    display: block; /* Trả về hiển thị block mặc định */
    /* Các phần tử con sẽ tự động căn lề theo quy tắc riêng của chúng */
}

.battu-result-card.loading {
    animation: pulse 2s ease-in-out infinite;
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
}

.battu-container-skeleton {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.battu-container-skeleton .battu-spinner {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

/* === BATTU MODE LAYOUT === */
body.battu-mode #sidebar-nav { display: none; }
body.battu-mode .results-layout { grid-template-columns: 1fr; }
body.battu-mode #analysisResultsContainer { display: block; }
body.battu-mode .result-card { max-width: 900px; margin-left: auto; margin-right: auto; }

.battu-result-card .result-content > p,
.battu-result-card .result-content > div:not(.battu-container):not(.daivan-container) {
    width: 100%;
    text-align: left; /* Đảm bảo văn bản luôn căn trái */
}

/* === DAI VAN STYLES (REVISED) === */
.daivan-container {
    /* Thêm các thuộc tính này để căn giữa giống Bát Tự */
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.daivan-container h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-weight: 700;
}

/* === DAILY ANALYSIS CHAT STYLES === */
.daily-chat-section {
    margin-top: 30px;
    padding: 20px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(255, 248, 220, 0.9), rgba(254, 243, 199, 0.9));
    border: 1px solid rgba(251, 191, 36, 0.3);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.daily-chat-container {
    display: flex;
    flex-direction: column;
    height: 400px;
}

.daily-chat-messages {
    flex-grow: 1;
    overflow-y: auto;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    background: white;
    display: flex;
    flex-direction: column;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
    gap: 15px;
}

.daily-chat-message {
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
    max-width: 85%;
    animation: fadeInUp 0.3s ease;
    position: relative;
    clear: both;
    width: 100%;
    flex-shrink: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.daily-chat-message.user {
    align-self: flex-end;
    align-items: flex-end;
}

.daily-chat-message.ai {
    align-self: flex-start;
    align-items: flex-start;
}

.daily-chat-message.error {
    align-self: flex-start;
    align-items: flex-start;
}

.daily-chat-message .message-content {
    padding: 12px 16px;
    border-radius: 20px;
    line-height: 1.6;
    word-wrap: break-word;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 1;
}

.daily-chat-message.user .message-content {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    border-bottom-right-radius: 4px;
}

.daily-chat-message.ai .message-content {
    background: linear-gradient(135deg, #fffaf0, #fffdf5);
    color: #1f2937;
    border-bottom-left-radius: 4px;
}

.daily-chat-message.error .message-content {
    background: #fee2e2;
    color: #dc2626;
    border-bottom-left-radius: 4px;
}

.daily-chat-message strong {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.daily-chat-input-container {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
    margin-top: 10px;
}

.daily-chat-input-container input {
    flex-grow: 1;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 20px;
    font-size: 1rem;
    transition: 0.15s ease;
}

.daily-chat-input-container input:focus {
    outline: none;
    border-color: #f59e0b;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.daily-chat-input-container button {
    border-radius: 20px;
    padding: 0 24px;
    min-width: 80px;
}

/* === DAILY ANALYSIS TOGGLE BUTTON STYLES === */
#toggle-daily-analysis {
    background: linear-gradient(135deg, var(--gray-500), var(--gray-600));
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-md);
}

#toggle-daily-analysis:hover {
    background: linear-gradient(135deg, var(--gray-600), var(--gray-700));
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

#toggle-daily-analysis:active {
    transform: translateY(0);
}

.daily-analysis-hidden #daily-analysis-content {
    display: none !important;
}

.daily-analysis-hidden #toggle-daily-analysis {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.daily-analysis-hidden #toggle-daily-analysis:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

/* === NGU HANH COLORS === */
.hanh-kim { color: #64748b; font-weight: 600; }
.hanh-moc { color: #059669; font-weight: 600; }
.hanh-thuy { color: #0284c7; font-weight: 600; }
.hanh-hoa { color: #dc2626; font-weight: 600; }
.hanh-tho { color: #d97706; font-weight: 600; }

/* === MODAL STYLES === */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

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

.modal-content {
    background: linear-gradient(135deg, var(--white), var(--gray-50));
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-xl);
    position: relative;
    transform: scale(0.9) translateY(-20px);
    transition: var(--transition-normal);
    border: 1px solid var(--gray-200);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-content h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.5rem;
}

.modal-content p {
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    color: var(--gray-600);
}

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--gray-100);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-500);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--gray-700);
    transform: rotate(90deg);
}

#apiKeyForm .btn {
    width: 100%;
    margin-top: var(--spacing-md);
}

/* === AD BANNER STYLES === */
.ad-banner {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: none;
    flex-direction: column;
    gap: var(--spacing-md);
    transition: var(--transition-slow);
    box-shadow: var(--shadow-md);
}

.ad-banner.show {
    display: flex;
}

.ad-banner a {
    text-decoration: none;
    color: #ff4757;
    font-weight: 700;
    font-size: 1.1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    transition: var(--transition-fast);
}

.ad-banner a:hover {
    text-decoration: underline;
    color: #ff3742;
    transform: scale(1.05);
}

/* New styles for combined image + text layout */
.ad-item-combined {
    display: grid !important;
    grid-template-columns: 60px 1fr;
    gap: 12px;
    align-items: center;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-fast);
    text-decoration: none;
    color: inherit;
    min-height: 60px;
}

.ad-item-combined:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    text-decoration: none;
    color: inherit;
}

.ad-image-small {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.3);
    grid-column: 1;
    flex-shrink: 0;
}

.ad-text-right {
    font-size: 0.9rem;
    line-height: 1.4;
    color: inherit;
    grid-column: 2;
    padding-left: 4px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.ad-item-text {
    padding: 8px 12px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-fast);
}

.ad-item-text:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.ad-banner img {
    max-width: 100%;
    max-height: 100px;
    height: auto;
    border-radius: var(--radius-md);
    vertical-align: middle;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
}

.ad-banner img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

#ad-header {
    display: flex;
    justify-content: space-around;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

#ad-middle,
#ad-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: var(--spacing-lg);
}

/* === BIRTH HOUR MODAL RESULTS === */
#birthHourModalResults {
    max-height: 450px;
    overflow-y: auto;
    background: linear-gradient(135deg, var(--gray-50), var(--white));
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

#birthHourModalResults::-webkit-scrollbar {
    width: 8px;
}

#birthHourModalResults::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius-md);
}

#birthHourModalResults::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-md);
}

#birthHourModalResults::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* === SECTION STYLES === */
#han-view-section,
#suggested-questions-section,
#resultsSection,
#chatbot-section,
#progress-section,
#error-section {
    margin-top: var(--spacing-2xl);
}

#han-preview-card {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

#hanAnalysisContainer {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

#hanAnalysisContainer .result-card {
    margin-top: var(--spacing-md);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1200px) {
    #laso-container {
        max-width: 95%;
    }
}

@media (max-width: 768px) {
    body {
        padding: var(--spacing-md);
    }

    h1 {
        font-size: 2.5rem;
    }
    
    .main-nav {
        flex-direction: column;
        align-items: center;
    }
    
    .header-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .header-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

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

    .input-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .action-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    #laso-grid-container {
        grid-template-columns: repeat(2, 1fr);
    }

    .center-info {
        grid-column: 1 / -1;
        grid-row: 1;
        padding: 8px;
        order: -1;
        font-size: 0.6rem;
    }

    .palace-box {
        grid-area: auto !important;
        min-height: 80px;
        padding: 3px;
        font-size: 0.6rem;
    }

    .palace-name {
        font-size: 0.5rem;
    }

    .main-stars {
        font-size: 0.5rem;
    }

    .aux-stars-grid {
        font-size: 0.5rem;
        gap: 0 1px;
    }

    .laso-controls {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }

    .results-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    #sidebar-nav {
        position: static;
        width: 100%;
        order: -1;
    }

    #sidebar-nav ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-sm);
    }

    #sidebar-nav li a {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }

    #sidebar-nav li a:hover,
    #sidebar-nav li a.active {
        transform: none !important;
    }

    .result-card {
        padding: var(--spacing-lg) var(--spacing-xl);
    }

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

    .suggested-btn-group {
        flex-direction: column;
        align-items: center;
    }

    .suggested-btn {
        width: 100%;
        max-width: 300px;
    }

    #han-view-section {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }

    #chat-input-form {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    #chat-submit-btn {
        width: 100%;
    }

    .modal-content {
        padding: var(--spacing-xl);
        margin: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    #laso-container {
        max-width: 95%;
        transform: scale(1.1);
        margin-bottom: 20px;
    }
    
    #laso-grid-container {
        grid-template-columns: repeat(2, 1fr);
        font-size: 0.495rem; /* Increased by 1.1 times */
    }
    
    .center-info {
        grid-column: 1 / -1;
        grid-row: 1;
        padding: 6.6px; /* Increased by 1.1 times */
        font-size: 0.495rem; /* Increased by 1.1 times */
        order: -1;
    }
    
    .palace-box {
        min-height: 66px; /* Increased by 1.1 times */
        padding: 2.2px; /* Increased by 1.1 times */
        font-size: 0.495rem; /* Increased by 1.1 times */
    }
    
    .palace-name {
        font-size: 0.495rem; /* Increased by 1.1 times */
    }
    
    .main-stars {
        font-size: 0.495rem; /* Increased by 1.1 times */
    }
    
    .aux-stars-grid {
        font-size: 0.385rem; /* Increased by 1.1 times */
    }
    
    .palace-header {
        font-size: 0.55rem; /* Increased by 1.1 times */
    }
    
    .palace-footer {
        font-size: 0.385rem; /* Increased by 1.1 times */
    }
    
    .tuan-triet-box {
        font-size: 0.385rem; /* Increased by 1.1 times */
    }
    
    .palace-phihoa {
        font-size: 0.44rem; /* Increased by 1.1 times */
        grid-template-columns: 1fr 1fr;
        gap: 2px;
    }
}

@media (max-width: 480px) {
    #laso-container {
        max-width: 95%;
        transform: scale(1.1);
    }
    
    .palace-box {
        min-height: 55px; /* Increased by 1.1 times */
        padding: 1.1px; /* Increased by 1.1 times */
    }
    
    .palace-name {
        font-size: 0.44rem; /* Increased by 1.1 times */
    }
    
    .main-stars {
        font-size: 0.44rem; /* Increased by 1.1 times */
    }
    
    .aux-stars-grid {
        font-size: 0.33rem; /* Increased by 1.1 times */
    }
    
    .center-info {
        font-size: 0.385rem; /* Increased by 1.1 times */
        padding: 5.5px; /* Increased by 1.1 times */
    }
    
    .palace-header {
        font-size: 0.44rem; /* Increased by 1.1 times */
    }
    
    .palace-footer {
        font-size: 0.33rem; /* Increased by 1.1 times */
    }
    
    .tuan-triet-box {
        font-size: 0.33rem; /* Increased by 1.1 times */
        padding: 0px 1.1px; /* Increased by 1.1 times */
    }
    
    .palace-phihoa {
        font-size: 0.385rem; /* Increased by 1.1 times */
        grid-template-columns: 1fr 1fr;
        gap: 2px;
    }
}

/* === DARK MODE SUPPORT === */
/* Tắt ảnh hưởng dark mode: luôn ưu tiên màu sáng khi có lớp force-light trên body */
body.force-light {
    /* Reset các biến về tông sáng */
    --white: #ffffff;
    --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;
}

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

/* Focus styles for better accessibility */
.btn:focus,
input:focus,
select:focus,
#chat-input:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* === PRINT STYLES === */
@media print {
    body {
        background: white;
        padding: 0;
    }

    .main-content {
        box-shadow: none;
        border: 1px solid #000;
    }

    .btn,
    #chatbot-section,
    .ad-banner {
        display: none;
    }

    .palace-box:hover {
        transform: none;
        box-shadow: none;
    }
}

.results-layout {
    display: grid;
    grid-template-columns: 200px 1fr; /* Sidebar 200px, nội dung chiếm phần còn lại */
    gap: 20px; /* Khoảng cách giữa sidebar và nội dung */
    align-items: start;
}

.battu-result-card {
    grid-column: 1 / -1; /* Bắt đầu từ cột 1 và kết thúc ở cột cuối cùng */
}

/* Thêm một chút style cho sidebar để dễ nhìn hơn */
#sidebar-nav {
    position: sticky;
    top: 20px;
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

#sidebar-nav h4 {
    margin-top: 0;
    border-bottom: 1px solid #ccc;
    padding-bottom: 10px;
}

#sidebar-nav ul {
    list-style-type: none;
    padding-left: 0;
    margin: 0;
}

#sidebar-nav li a {
    display: block;
    padding: 8px 0;
    color: #0056b3;
    text-decoration: none;
    transition: all 0.2s;
}

#sidebar-nav li a:hover {
    color: #007bff;
    padding-left: 5px;
}

/* === I CHING SPECIFIC STYLES === */
.kinhdich-results {
    max-width: 100%;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.divination-info {
    background: rgba(255, 248, 220, 0.9);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.primary-hexagram,
.transformed-hexagram {
    background: rgba(255, 248, 220, 0.9);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.hexagram-display {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    align-items: start;
}

.hexagram-lines {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 120px;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-md);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.hexagram-line {
    font-family: 'Courier New', monospace;
    font-size: 1.2rem;
    font-weight: bold;
    line-height: 1.4;
    margin: 2px 0;
    color: #374151;
    text-align: center;
    min-width: 80px;
}

.hexagram-info {
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.hexagram-info p {
    margin-bottom: var(--spacing-sm);
    color: #374151;
    line-height: 1.5;
}

.hexagram-meaning {
    background: rgba(254, 243, 199, 0.8);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.hexagram-meaning h4 {
    color: #374151;
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    font-weight: 600;
}

.hexagram-meaning p {
    color: #374151;
    line-height: 1.6;
}

.changing-lines {
    background: rgba(255, 248, 220, 0.9);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.changing-lines h3 {
    color: #374151;
    margin-bottom: var(--spacing-md);
}

.changing-lines p {
    color: #374151;
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

.interpretation {
    background: rgba(254, 243, 199, 0.9);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.interpretation h3 {
    color: #374151;
    margin-bottom: var(--spacing-md);
}

.interpretation p {
    color: #374151;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.interpretation em {
    color: #6b7280;
    font-style: italic;
}

/* I Ching Mobile Responsive */
@media (max-width: 768px) {
    .hexagram-display {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hexagram-lines {
        margin: 0 auto var(--spacing-md) auto;
    }
    
    .kinhdich-results {
        padding: var(--spacing-md);
    }
    
    .kinhdich-results h2 {
        font-size: 1.5rem;
    }
    
    .hexagram-line {
        font-size: 1rem;
    }
}

/* === DAILY ANALYSIS CHAT STYLES === */
.daily-chat-section {
    margin-top: 30px;
    padding: 20px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(255, 248, 220, 0.9), rgba(254, 243, 199, 0.9));
    border: 1px solid rgba(251, 191, 36, 0.3);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.daily-chat-container {
    display: flex;
    flex-direction: column;
    height: 400px;
}

.daily-chat-messages {
    flex-grow: 1;
    overflow-y: auto;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    background: white;
    display: flex;
    flex-direction: column;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
    gap: 15px;
}

.daily-chat-message {
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
    max-width: 85%;
    animation: fadeInUp 0.3s ease;
    position: relative;
    clear: both;
    width: 100%;
    flex-shrink: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.daily-chat-message.user {
    align-self: flex-end;
    align-items: flex-end;
}

.daily-chat-message.ai {
    align-self: flex-start;
    align-items: flex-start;
}

.daily-chat-message.error {
    align-self: flex-start;
    align-items: flex-start;
}

.daily-chat-message .message-content {
    padding: 12px 16px;
    border-radius: 20px;
    line-height: 1.6;
    word-wrap: break-word;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 1;
}

.daily-chat-message.user .message-content {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    border-bottom-right-radius: 4px;
}

.daily-chat-message.ai .message-content {
    background: linear-gradient(135deg, #fffaf0, #fffdf5);
    color: #1f2937;
    border-bottom-left-radius: 4px;
}

.daily-chat-message.error .message-content {
    background: #fee2e2;
    color: #dc2626;
    border-bottom-left-radius: 4px;
}

.daily-chat-message strong {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.daily-chat-input-container {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
    margin-top: 10px;
}

.daily-chat-input-container input {
    flex-grow: 1;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 20px;
    font-size: 1rem;
    transition: 0.15s ease;
}

.daily-chat-input-container input:focus {
    outline: none;
    border-color: #f59e0b;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.daily-chat-input-container button {
    border-radius: 20px;
    padding: 0 24px;
    min-width: 80px;
}

/* === DAILY ANALYSIS TOGGLE BUTTON STYLES === */
#toggle-daily-analysis {
    background: linear-gradient(135deg, var(--gray-500), var(--gray-600));
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-md);
}

#toggle-daily-analysis:hover {
    background: linear-gradient(135deg, var(--gray-600), var(--gray-700));
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

#toggle-daily-analysis:active {
    transform: translateY(0);
}

.daily-analysis-hidden #daily-analysis-content {
    display: none !important;
}

.daily-analysis-hidden #toggle-daily-analysis {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.daily-analysis-hidden #toggle-daily-analysis:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}


#laso-grid-container {
    display: grid;
    /* Định nghĩa các vùng cho grid 4x4 */
    grid-template-areas:
        "ty    suu   dan   mao"
        "hoi   center center thin"
        "tuat  center center ti"
        "dau   than  mui   ngo";
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, auto);
    gap: 1px;
    background-color: var(--gray-200); /* Màu đường kẻ */
    font-size: 0.5rem; /* Tăng nhẹ font size cho dễ đọc */
    max-width: 1000px; /* Giới hạn chiều rộng tối đa */
    margin: auto;
}

.palace-box {
    background: var(--white);
    padding: 2px 4px; /* Tăng padding một chút */
    display: flex;
    flex-direction: column;
    position: relative;
    min-height: 120px; /* Tăng chiều cao tối thiểu cho cân đối */
    font-size: 0.5rem; /* Đồng bộ font-size */
}

/* Sửa lỗi Thiên Bàn bị đẩy xuống */
.center-info {
    grid-area: center; /* Quan trọng: Gán đúng vùng đã định nghĩa */
    background: var(--accent-color); /* Màu nền vàng nhạt nhất */
    padding: var(--spacing-sm);
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--gray-200);
    min-height: 150px;
}

.center-info-content {
    background: var(--white);
    border: 1px solid var(--secondary-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--gray-800);
    box-shadow: var(--shadow-sm);
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    text-align: center;
}

.center-info-content h3 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 0.8rem;
    color: var(--primary-dark);
    font-weight: 700;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    background: rgba(253, 230, 138, 0.2);
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
}

.info-item {
    font-size: 0.65rem; /* Increased by 1.3 times */
}
.info-item span {
    display: block;
    opacity: 0.8;
}
.info-item strong {
    font-weight: 700;
    font-size: 0.78rem; /* Increased by 1.3 times */
}

.info-details {
    font-size: 0.715rem; /* Increased by 1.3 times */
    line-height: 1.4;
    background: rgba(253, 230, 138, 0.2);
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.info-details p {
    margin: 2.6px 0; /* Increased by 1.3 times */
}

.info-action {
    background: var(--secondary-color);
    color: var(--gray-800);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs);
    font-weight: 600;
    font-size: 0.78rem; /* Increased by 1.3 times */
    margin-top: auto; /* Đẩy xuống dưới cùng */
}

.laso-controls button {
    padding: 6px 12px;
    font-size: 0.8rem;
}

body {
    top: 0 !important;
    position: static !important;
}

.skiptranslate iframe {
    visibility: hidden !important;
    display: none !important;
    height: 0 !important;
}

body > .skiptranslate {
    display: none !important;
    height: 0 !important;
}

iframe.skiptranslate {
    display: none !important;
    height: 0 !important;
}

.goog-te-banner-frame {
    display: none !important;
}

iframe[style*="z-index: 999999"] {
    display: none !important;
}

/* === LOVE COMPATIBILITY MODAL STYLES === */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal-content {
    background: linear-gradient(135deg, var(--white), #fffdf5);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    max-width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

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

.modal-close {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--gray-500);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background-color: var(--gray-100);
    color: var(--gray-700);
}

.input-section {
    background: rgba(253, 230, 138, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.input-section h4 {
    margin-bottom: var(--spacing-md);
    color: var(--gray-700);
    text-align: center;
    font-weight: 600;
}

.battu-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(245, 158, 11, 0.3);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.result-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.result-table th,
.result-table td {
    padding: var(--spacing-sm);
    text-align: center;
    border: 1px solid var(--gray-200);
}

.result-table th {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    font-weight: 600;
}

.result-table tr:nth-child(even) {
    background-color: var(--gray-50);
}

.result-card.compatibility-card {
    background: linear-gradient(135deg, #fef3c7, #fdf5e6);
    border: 1px solid var(--secondary-color);
    box-shadow: var(--shadow-lg);
}

.result-card.compatibility-card .result-title {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
}

.result-card.compatibility-card .result-content {
    padding: var(--spacing-md);
}

.compatibility-score {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    color: var(--primary-dark);
    margin: var(--spacing-md) 0;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.compatibility-verdict {
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    margin: var(--spacing-md) 0;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
}

.compatibility-verdict.good {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.compatibility-verdict.average {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.compatibility-verdict.poor {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.compatibility-details {
    margin-top: var(--spacing-md);
}

.compatibility-details h5 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-200);
    padding-bottom: var(--spacing-xs);
}

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

.aspect-card {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.aspect-card h6 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-700);
}

.aspect-card p {
    font-size: 0.85rem;
    color: var(--gray-600);
    line-height: 1.4;
}

.suggestions-list {
    padding-left: var(--spacing-lg);
    margin: var(--spacing-sm) 0;
}

.suggestions-list li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

@media (max-width: 768px) {
    .compatibility-aspects {
        grid-template-columns: 1fr;
    }
    
    .compatibility-score {
        font-size: 2rem;
    }
}