/* Modern Design System - Glassmorphism */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
    /* Default Dark Theme */
    --bg-gradient-start: #0f172a;
    --bg-gradient-end: #1e293b;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-highlight: rgba(255, 255, 255, 0.15);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #38bdf8;
    --danger-color: #ef4444;
    --success-color: #22c55e;
    --warning-color: #eab308;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

@media (prefers-color-scheme: light) {
    :root {
        --bg-gradient-start: #f0f9ff;
        --bg-gradient-end: #e0f2fe;
        --glass-bg: rgba(255, 255, 255, 0.6);
        --glass-border: rgba(255, 255, 255, 0.4);
        --glass-highlight: rgba(255, 255, 255, 0.8);
        --text-primary: #0f172a;
        --text-secondary: #475569;
        --accent-color: #0ea5e9;
        --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    }
}

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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    padding: var(--spacing-md);
    overflow-x: hidden;
}

/* Layout */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding-bottom: var(--spacing-xl);
}

header {
    margin-bottom: var(--spacing-xl);
    text-align: center;
    animation: fadeInDown 0.8s ease-out;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.05em;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(to right, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Components */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    transition: transform 0.2s ease, background 0.2s ease;
    box-shadow: var(--card-shadow);
}

.card:hover {
    background: var(--glass-highlight);
    transform: translateY(-2px);
}

/* Station List */
.station-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-sm);
}

.station-link {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
}

.station-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Departure List */
.departure-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.departure-info {
    display: flex;
    flex-direction: column;
}

.departure-name {
    font-size: 1.1rem;
    font-weight: 600;
}

.departure-dir {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.departure-time {
    text-align: right;
    font-weight: 700;
    font-size: 1.2rem;
    min-width: 80px;
}

.time-unit {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--text-secondary);
}

/* Status Indicators */
.status-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: var(--spacing-xs);
    text-transform: uppercase;
}

.status-realtime {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success-color);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.status-lost {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.3);
    opacity: 0.7;
}

.row-lost {
    opacity: 0.5;
}

/* Navigation */
.back-link {
    display: inline-flex;
    align-items: center;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--spacing-md);
    font-weight: 500;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--text-primary);
}

.back-link::before {
    content: "←";
    margin-right: var(--spacing-xs);
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-entry {
    animation: fadeInDown 0.5s ease-out backwards;
}

/* Stagger animations */
.card:nth-child(1) {
    animation-delay: 0.1s;
}

.card:nth-child(2) {
    animation-delay: 0.2s;
}

.card:nth-child(3) {
    animation-delay: 0.3s;
}

.card:nth-child(4) {
    animation-delay: 0.4s;
}

.card:nth-child(5) {
    animation-delay: 0.5s;
}