/* Main Styles - Glassmorphism Gradient Theme */
:root {
    /* Dark Theme (Default) */
    --bg-primary: #0a0e27;
    --bg-secondary: #151929;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-glass: rgba(255, 255, 255, 0.08);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6, #ec4899);
    --border-glass: rgba(255, 255, 255, 0.1);
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.3);
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
}

[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: rgba(0, 0, 0, 0.02);
    --bg-glass: rgba(255, 255, 255, 0.9);
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-glass: rgba(0, 0, 0, 0.1);
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Glass Header */
.glass-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    padding: 1rem 2rem;
    transition: all 0.3s ease;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* Navigation */
.main-nav {
    display: flex;
    gap: 0.5rem;
}

.nav-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-primary);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    text-decoration: none;
}

.nav-btn:hover, .nav-btn.active {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

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

/* Header Controls */
.header-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
}

.search-box input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.875rem;
    width: 200px;
}

.control-btn {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-weight: 600;
}

.control-btn:hover {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(30deg); }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Main Content */
.main-content {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Dual Panel */
.dual-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 4rem;
}

.panel {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-glass);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-glass);
}

.panel-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.badge {
    background: var(--accent-gradient);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Event Cards */
.event-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
}

.event-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-blue);
}

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

.event-title {
    font-weight: 600;
    flex: 1;
    margin-right: 1rem;
}

.event-probability {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.event-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.event-tags {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    padding: 0.25rem 0.5rem;
    background: rgba(59, 130, 246, 0.2);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--accent-blue);
}

.label-new {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    background: var(--success);
    color: white;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

/* Long Term Section */
.long-term-section {
    margin-top: 4rem;
}

/* Watch Sections (1-Hour & Daily) */
.watch-section {
    margin-top: 4rem;
}

.watch-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
}



.long-term-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
}

.tag-groups {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.tag-group {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 1.5rem;
}

.tag-group h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

/* Loading */
.loading-placeholder {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

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

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

/* Footer */
.glass-footer {
    position: relative;
    z-index: 1;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-glass);
    padding: 2rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

#copyright {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.8;
}

.footer-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 600;
}

.footer-link:hover {
    text-decoration: underline;
}


/* Event History Timeline */
.event-history {
    margin-top: 0.5rem;
    padding: 0.5rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
    font-size: 0.75rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.event-history small {
    display: block;
}

.event-history br {
    line-height: 0.5;
}

/* ==================== Daily Watch Crossings ==================== */
.crossings-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

@media (max-width: 768px) {
    .crossings-grid {
        grid-template-columns: 1fr;
    }
}

.crossing-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 1.25rem;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.crossing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glass);
    border-color: var(--accent-blue);
}

.crossing-card.cross-up {
    border-left: 4px solid var(--success);
}

.crossing-card.cross-down {
    border-left: 4px solid var(--danger);
}

.history-item {
    display: inline-block;
    background: rgba(139, 92, 246, 0.35);  /* 更艳丽的紫色背景 */
    border: 1px solid rgba(139, 92, 246, 0.5);
    border-radius: 4px;
    padding: 0.125rem 0.5rem;
    margin-right: 0.5rem;
    margin-bottom: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-primary);  /* 改为主文本颜色，更清晰 */
    white-space: nowrap;
}

.crossing-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
}

.crossing-time {
    color: var(--text-secondary);
    font-weight: 500;
}

.crossing-arrow {
    font-size: 1.25rem;
}

.crossing-item.cross-up .crossing-arrow {
    color: var(--success);
}

.crossing-item.cross-down .crossing-arrow {
    color: var(--danger);
}

.crossing-threshold {
    background: var(--accent-gradient);
    color: white;
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.crossing-title {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.crossing-probs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.prob-before {
    color: var(--text-secondary);
}

.prob-arrow {
    color: var(--text-secondary);
}

.prob-after {
    font-weight: 700;
}

.crossing-item.cross-up .prob-after {
    color: var(--success);
}

.crossing-item.cross-down .prob-after {
    color: var(--danger);
}