/* CSS Design System for toda.kyotei-index.com */

:root {
    --bg-dark: #090d16;
    --bg-card: rgba(18, 26, 43, 0.7);
    --border-card: rgba(0, 240, 255, 0.15);
    --primary-cyan: #00f0ff;
    --primary-blue: #2563eb;
    --accent-gold: #ffb703;
    --accent-red: #ef4444;
    --accent-green: #10b981;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --font-main: 'Noto Sans JP', 'Inter', sans-serif;
    --font-code: 'JetBrains Mono', monospace;
    --glass-blur: blur(16px);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background Glow Effects */
.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    pointer-events: none;
}

.bg-glow-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
    top: -100px;
    left: -100px;
}

.bg-glow-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
    bottom: 50px;
    right: -150px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    background: rgba(9, 13, 22, 0.85);
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-card);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #00f0ff, #2563eb);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.subdomain-badge {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--primary-cyan);
    background: rgba(0, 240, 255, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    display: inline-block;
}

.brand-title {
    font-size: 20px;
    font-weight: 900;
    letter-spacing: -0.5px;
    color: #ffffff;
}

.brand-subtitle {
    font-size: 12px;
    color: var(--text-muted);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-item {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
}

.nav-item:hover, .nav-item.active {
    color: var(--primary-cyan);
}

.highlight-btn {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(37, 99, 235, 0.25));
    border: 1px solid var(--primary-cyan);
    color: var(--primary-cyan);
    padding: 8px 16px;
    border-radius: 8px;
}

.highlight-btn:hover {
    background: var(--primary-cyan);
    color: #000;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

/* Hero Section */
.hero-section {
    padding: 64px 0 40px;
    text-align: center;
}

.status-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    color: var(--accent-green);
    margin-bottom: 24px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-title {
    font-size: 42px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 16px;
}

.text-gradient {
    background: linear-gradient(135deg, #ffffff 20%, var(--primary-cyan) 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    max-width: 700px;
    margin: 0 auto 36px;
    color: var(--text-muted);
    font-size: 16px;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.metric-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-card);
    padding: 24px;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: var(--transition);
}

.metric-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-cyan);
}

.metric-card.highlight {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.08), rgba(37, 99, 235, 0.12));
    border-color: rgba(0, 240, 255, 0.4);
}

.metric-value {
    font-size: 36px;
    font-weight: 900;
    color: var(--primary-cyan);
    font-family: var(--font-code);
}

.metric-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Sections */
.section {
    margin-bottom: 60px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    border-left: 4px solid var(--primary-cyan);
    padding-left: 12px;
}

.section-tag {
    font-size: 12px;
    color: var(--primary-cyan);
    background: rgba(0, 240, 255, 0.1);
    padding: 4px 10px;
    border-radius: 6px;
    font-family: var(--font-code);
}

/* Glass Card */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-card);
    border-radius: 16px;
    padding: 24px;
}

/* Water Grid */
.water-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.condition-box {
    display: flex;
    align-items: center;
    gap: 16px;
}

.box-icon {
    font-size: 32px;
    width: 60px;
    height: 60px;
    background: rgba(0, 240, 255, 0.08);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.box-info h4 {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.val-text {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
}

.sub-text {
    font-size: 12px;
    color: var(--primary-cyan);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.feature-card {
    position: relative;
}

.feature-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 12px;
}

.course-1 { background: #e11d48; color: #fff; }
.course-3 { background: #2563eb; color: #fff; }

.feature-card h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 6px;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #2563eb, var(--primary-cyan));
    border-radius: 4px;
}

.highlight-fill {
    background: linear-gradient(90deg, #f59e0b, #ef4444);
}

.progress-label {
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--font-code);
}

/* Race Grid */
.race-filter {
    display: flex;
    gap: 8px;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    padding: 6px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    background: var(--primary-cyan);
    color: #000;
    border-color: var(--primary-cyan);
    font-weight: 700;
}

.race-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.race-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 12px;
    margin-bottom: 16px;
}

.race-num {
    background: var(--primary-cyan);
    color: #000;
    font-weight: 900;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 14px;
}

.race-title {
    font-weight: 700;
    flex-grow: 1;
}

.race-time {
    font-size: 12px;
    color: var(--accent-gold);
    font-family: var(--font-code);
}

.race-index-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.index-rank {
    font-weight: 900;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
}

.rank-a { background: rgba(37, 99, 235, 0.2); color: #60a5fa; border: 1px solid #3b82f6; }
.rank-s { background: rgba(239, 68, 68, 0.2); color: #fca5a5; border: 1px solid #ef4444; }

.index-score {
    font-size: 14px;
    color: var(--text-muted);
}

.race-boats {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.boat-row {
    background: rgba(255, 255, 255, 0.03);
    padding: 6px 12px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    font-size: 13px;
}

.b-num {
    font-weight: 900;
    width: 20px;
    height: 20px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    font-size: 11px;
}

.boat-1 .b-num { background: #fff; color: #000; }
.boat-2 .b-num { background: #000; color: #fff; border: 1px solid #444; }
.boat-3 .b-num { background: #ef4444; color: #fff; }
.boat-4 .b-num { background: #2563eb; color: #fff; }

.b-index {
    margin-left: auto;
    font-family: var(--font-code);
    color: var(--primary-cyan);
}

.race-recommendation {
    background: rgba(255, 183, 3, 0.08);
    border: 1px dashed var(--accent-gold);
    padding: 10px;
    border-radius: 8px;
    font-size: 13px;
}

.rec-title {
    color: var(--accent-gold);
    font-weight: 700;
}

/* Server Status Section */
.server-info-card {
    border-color: rgba(0, 240, 255, 0.3);
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.status-item {
    background: rgba(0, 0, 0, 0.2);
    padding: 12px 16px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.status-label {
    font-size: 12px;
    color: var(--text-muted);
}

.status-val {
    font-size: 14px;
    font-weight: 600;
}

.code-font {
    font-family: var(--font-code);
    color: var(--primary-cyan);
}

.badge-success {
    color: var(--accent-green);
}

.badge-info {
    color: #60a5fa;
}

.config-snippet-box {
    background: #04070d;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    overflow: hidden;
}

.snippet-header {
    background: rgba(255, 255, 255, 0.05);
    padding: 10px 16px;
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--font-code);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copy-btn {
    background: rgba(0, 240, 255, 0.15);
    border: 1px solid var(--primary-cyan);
    color: var(--primary-cyan);
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
}

.copy-btn:hover {
    background: var(--primary-cyan);
    color: #000;
}

.code-block {
    padding: 16px;
    font-family: var(--font-code);
    font-size: 13px;
    color: #a5f3fc;
    line-height: 1.5;
    overflow-x: auto;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-card);
    padding: 32px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

.footer-links {
    margin-top: 8px;
}

.footer-links a {
    color: var(--primary-cyan);
    text-decoration: none;
}

@media (max-width: 768px) {
    .hero-title { font-size: 28px; }
    .nav-links { display: none; }
}