/* Liuren Divination System - Stylesheet */
/* Color Theme: Traditional Chinese with Modern Design */

:root {
    /* Primary Colors */
    --primary-color: #8B1A1A; /* Chinese Vermilion */
    --primary-dark: #5D0F0F;
    --primary-light: #C62828;
    
    /* Secondary Colors */
    --secondary-color: #1E6B8B; /* Water Blue */
    --secondary-dark: #0D4A63;
    --secondary-light: #2E8BAA;
    
    /* Element Colors */
    --wood-color: #2E7D32; /* Wood Green */
    --fire-color: #D84315; /* Fire Red */
    --earth-color: #8B7355; /* Earth Brown */
    --metal-color: #616161; /* Metal Gray */
    --water-color: #1565C0; /* Water Blue */
    
    /* Neutral Colors */
    --light-color: #F5F1E8; /* Rice Paper */
    --light-bg: #FFFEF7;
    --border-color: #E8DFCA;
    --text-dark: #2F1B0A; /* Ink Black */
    --text-medium: #5D4037;
    --text-light: #8D6E63;
    
    /* Status Colors */
    --success-color: #2E7D32; /* Auspicious */
    --warning-color: #F57C00; /* Neutral */
    --danger-color: #C62828; /* Inauspicious */
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.15);
    
    /* Borders */
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 16px;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    background-color: #F8F4E9;
    color: var(--text-dark);
    line-height: 1.6;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(139, 26, 26, 0.03) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(30, 107, 139, 0.03) 0%, transparent 20%);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
}

.chinese-subtitle {
    font-family: 'Noto Serif TC', serif;
    font-size: 1.8rem;
    display: block;
    margin-top: 5px;
    color: var(--primary-color);
}

.chinese-ref {
    font-family: 'Noto Serif TC', serif;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-left: 8px;
    font-weight: normal;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: #F5E8D0;
    padding: 40px 0;
    text-align: center;
    margin-bottom: 40px;
    border-bottom: 4px solid var(--secondary-color);
    box-shadow: var(--shadow-md);
}

.site-title {
    font-size: 3rem;
    margin-bottom: 10px;
}

.site-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto 20px;
}

.header-badges {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.badge {
    background: rgba(255, 255, 255, 0.15);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Main Layout */
.main-container {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 50px;
}

.divination-area {
    flex: 1;
    min-width: 350px;
}

.knowledge-area {
    flex: 1;
    min-width: 350px;
    max-height: 85vh;
    overflow-y: auto;
    position: sticky;
    top: 20px;
}

/* Cards */
.card {
    background: var(--light-bg);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
    margin-bottom: 30px;
}

/* Section Titles */
.section-title {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--secondary-color);
    display: flex;
    align-items: center;
}

.section-title i {
    margin-right: 12px;
    font-size: 1.5rem;
}

.section-subtitle {
    font-size: 1.3rem;
    color: var(--text-medium);
    margin: 30px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

/* Input Groups */
.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1.1rem;
}

.input-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.input-item {
    flex: 1;
    min-width: 150px;
}

select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    background-color: var(--light-bg);
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.3s;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%238B1A1A' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 16px;
}

select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(30, 107, 139, 0.2);
}

/* Buttons */
.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin: 25px 0;
}

button {
    padding: 16px 24px;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex: 1;
    min-width: 150px;
}

button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    color: white;
}

.btn-tertiary {
    background: linear-gradient(135deg, var(--earth-color), #A1887F);
    color: white;
}

/* Divination Methods */
.divination-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 15px;
}

.method-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 10px;
    border-radius: var(--border-radius-md);
    background: var(--light-bg);
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    min-height: 120px;
}

.method-btn i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.method-btn:hover {
    background: #F0E6D6;
    transform: translateY(-3px);
}

.method-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border-color: var(--primary-color);
}

.method-btn.active i {
    color: white;
}

/* Palm Chart */
.palm-chart {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.palm-position {
    padding: 25px 15px;
    border-radius: var(--border-radius-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--light-bg);
    border: 2px solid var(--border-color);
    border-left: 5px solid transparent;
    position: relative;
    overflow: hidden;
    min-height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.palm-position:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.palm-position.active {
    border-color: var(--primary-color);
    background-color: rgba(139, 26, 26, 0.05);
    box-shadow: var(--shadow-md);
}

.position-name {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
    font-family: 'Noto Serif TC', serif;
    color: var(--text-dark);
}

.position-name-en {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.position-element {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-medium);
    padding: 4px 12px;
    border-radius: 20px;
    display: inline-block;
    margin: 5px auto;
    background: rgba(0, 0, 0, 0.05);
}

.position-status {
    font-size: 0.85rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
    margin-top: 5px;
    display: inline-block;
}

.auspiciousness-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-left: 10px;
}

.auspiciousness-badge.auspicious {
    background: rgba(46, 125, 50, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(46, 125, 50, 0.3);
}

.auspiciousness-badge.neutral {
    background: rgba(245, 124, 0, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(245, 124, 0, 0.3);
}

.auspiciousness-badge.inauspicious {
    background: rgba(198, 40, 40, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(198, 40, 40, 0.3);
}

/* Weather Card */
.weather-card {
    background: linear-gradient(135deg, #E8F5FD, #D4EAF7);
    border-radius: var(--border-radius-md);
    padding: 25px;
    margin: 25px 0;
    border-left: 5px solid var(--water-color);
    border: 2px solid #BBDEFB;
}

.weather-card h3 {
    color: #1565C0;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.weather-card h3 i {
    margin-right: 10px;
}

.cultural-context {
    color: #0D47A1;
    font-size: 0.95rem;
    margin-bottom: 15px;
    font-style: italic;
}

.weather-poems {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.weather-poem {
    background: rgba(255, 255, 255, 0.8);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #BBDEFB;
}

.weather-poem strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 5px;
}

.weather-poem .chinese {
    font-family: 'Noto Serif TC', serif;
    color: #0D47A1;
    display: block;
    font-size: 0.95rem;
    margin-bottom: 3px;
}

.weather-poem .english {
    color: #424242;
    font-size: 0.9rem;
    display: block;
}

.cultural-note-small {
    background: rgba(255, 255, 255, 0.9);
    padding: 10px 15px;
    border-radius: 6px;
    margin-top: 15px;
    font-size: 0.85rem;
    color: #5D4037;
    border-left: 3px solid var(--warning-color);
}

.cultural-note-small i {
    color: var(--warning-color);
    margin-right: 5px;
}

/* Results */
.default-result {
    text-align: center;
    padding: 40px 20px;
}

.welcome-message h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.welcome-message p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.quick-guide {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 30px;
}

.guide-item {
    background: #F8F4E9;
    padding: 15px;
    border-radius: var(--border-radius-md);
    border-left: 4px solid var(--secondary-color);
}

.position-name {
    display: block;
    font-weight: 600;
    color: var(--primary-color);
    font-family: 'Noto Serif TC', serif;
}

.position-desc {
    display: block;
    color: var(--text-medium);
    font-size: 0.9rem;
    margin-top: 5px;
}

.cultural-note {
    background: #FFF8E1;
    padding: 15px;
    border-radius: var(--border-radius-md);
    margin-top: 25px;
    border-left: 4px solid var(--warning-color);
}

.cultural-note i {
    color: var(--warning-color);
    margin-right: 8px;
}

/* Detailed Results */
.result-content {
    padding: 20px;
}

.result-header {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.result-title {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-family: 'Noto Serif TC', serif;
}

.result-meta {
    display: flex;
    gap: 15px;
    align-items: center;
}

.element-badge {
    padding: 8px 16px;
    border-radius: 20px;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
}

.interpretation-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 20px 0;
}

.interpretation-item {
    background: var(--light-bg);
    padding: 20px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.interpretation-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

.interpretation-item h4 {
    color: var(--secondary-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.interpretation-item h4 i {
    margin-right: 8px;
}

.details-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin: 20px 0;
}

.detail {
    background: #F8F4E9;
    padding: 12px 15px;
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--secondary-color);
}

/* Knowledge Area */
.knowledge-header {
    background: linear-gradient(135deg, var(--text-dark), #4A2C1D);
    color: #F5E8D0;
    padding: 25px 30px;
    border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
    margin: -30px -30px 30px -30px;
}

.knowledge-header h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.knowledge-content {
    max-height: 65vh;
    overflow-y: auto;
    padding-right: 10px;
}

.quick-guide-card, .glossary-card, .cultural-note {
    background: #F8F4E9;
    padding: 20px;
    border-radius: var(--border-radius-md);
    margin-bottom: 25px;
    border-left: 4px solid var(--secondary-color);
}

.glossary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 15px;
}

.glossary-item {
    background: white;
    padding: 15px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.term {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.definition {
    font-size: 0.9rem;
    color: var(--text-medium);
}

.quote {
    font-style: italic;
    color: var(--text-light);
    text-align: center;
    margin-top: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: var(--border-radius-sm);
}

/* Course Accordion */
.course-accordion {
    margin-top: 20px;
}

.accordion-item {
    margin-bottom: 10px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 2px solid var(--border-color);
}

.accordion-header {
    padding: 20px 25px;
    background: #F8F4E9;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

.accordion-header:hover {
    background: #F0E6D6;
}

.accordion-header.active {
    background: var(--primary-color);
    color: white;
}

.accordion-header.active .chinese-ref {
    color: rgba(255, 255, 255, 0.8);
}

.accordion-content {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s;
    background: white;
}

.accordion-content.show {
    padding: 25px;
    max-height: 800px;
    overflow-y: auto;
}

.accordion-icon {
    transition: transform 0.3s;
}

.accordion-header.active .accordion-icon {
    transform: rotate(180deg);
}

/* Position Content Styles */
.position-content {
    padding: 15px;
}

.position-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.position-poem, .position-meanings, .position-details, .spirituality-section, .adaptation-tip {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.meaning-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 15px;
}

.meaning-item {
    background: #f9f9f9;
    padding: 15px;
    border-radius: var(--border-radius-sm);
    border-left: 4px solid var(--secondary-color);
}

.meaning-item strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 5px;
}

.detail-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 15px;
}

.detail-item {
    background: #f5f5f5;
    padding: 10px 15px;
    border-radius: 6px;
}

/* Spirituality Content */
.spirituality-section, .traditional-concepts {
    background: #F5F5F5;
    padding: 20px;
    border-radius: var(--border-radius-md);
    margin: 20px 0;
    border-left: 4px solid #9C27B0;
}

.spirituality-section h4, .traditional-concepts h3 {
    color: #9C27B0;
    margin-bottom: 15px;
}

.spirituality-content, .traditional-concepts .spirituality-content {
    background: white;
    padding: 15px;
    border-radius: var(--border-radius-sm);
    margin: 15px 0;
}

.spirituality-warning {
    background: #FFF3E0;
    padding: 15px;
    border-radius: var(--border-radius-sm);
    margin: 15px 0;
    border-left: 4px solid #FF9800;
}

.spirituality-warning h4 {
    color: #FF9800;
    margin-bottom: 8px;
}

.spirituality-concepts {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.spirituality-concept {
    background: white;
    padding: 15px;
    border-radius: var(--border-radius-sm);
    border: 1px solid #E0E0E0;
}

/* Result Time Section */
.result-time {
    background: #E8F5FD;
    padding: 20px;
    border-radius: var(--border-radius-md);
    margin: 20px 0;
    border-left: 4px solid var(--secondary-color);
}

.time-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 15px;
}

/* Adaptation Section */
.adaptation-section {
    background: #FFF8E1;
    padding: 20px;
    border-radius: var(--border-radius-md);
    margin-top: 30px;
    border-left: 4px solid var(--warning-color);
}

.learn-more-btn, .spirituality-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 5px;
}

.spirituality-btn {
    background: linear-gradient(135deg, #9C27B0, #BA68C8);
}

.learn-more-btn:hover, .spirituality-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

/* Footer */
footer {
    background: var(--light-bg);
    padding: 40px 0;
    border-top: 2px solid var(--border-color);
    text-align: center;
    margin-top: 50px;
}

footer p {
    color: var(--text-medium);
    margin-bottom: 15px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 20px 0;
}

.footer-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.yin-yang {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.yin-yang-symbol {
    width: 60px;
    height: 60px;
    background: radial-gradient(circle at 50% 25%, var(--text-dark) 25%, transparent 25%),
                radial-gradient(circle at 50% 75%, var(--light-color) 25%, transparent 25%),
                linear-gradient(to right, var(--text-dark) 50%, var(--light-color) 50%);
    border-radius: 50%;
    border: 2px solid var(--text-dark);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: var(--light-bg);
    margin: 5% auto;
    padding: 30px;
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--border-color);
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 28px;
    font-weight: bold;
    color: var(--primary-color);
    cursor: pointer;
}

/* Time Display */
.time-display {
    background: #E8F5FD;
    padding: 20px;
    border-radius: var(--border-radius-md);
    margin: 20px 0;
    border-left: 4px solid var(--secondary-color);
    display: none;
}

/* Responsive Design */
@media (max-width: 1100px) {
    .main-container {
        flex-direction: column;
    }
    
    .knowledge-area {
        max-height: none;
        position: static;
    }
    
    .palm-chart {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .weather-poems, .interpretation-grid, .details-list, .meaning-grid, .detail-list {
        grid-template-columns: 1fr;
    }
    
    .site-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .divination-methods {
        grid-template-columns: 1fr;
    }
    
    .input-row {
        flex-direction: column;
    }
    
    .quick-guide, .glossary-grid {
        grid-template-columns: 1fr;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    button {
        width: 100%;
    }
    
    .site-title {
        font-size: 2rem;
    }
    
    .chinese-subtitle {
        font-size: 1.4rem;
    }
    
    .result-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .time-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .palm-chart {
        grid-template-columns: 1fr;
    }
    
    .card {
        padding: 20px;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .site-title {
        font-size: 1.8rem;
    }
    
    .knowledge-header {
        padding: 20px;
        margin: -20px -20px 20px -20px;
    }
}