/* =========================================================
   FATAKFORECAST — DESIGN SYSTEM & STYLESHEET
   Mobility Intelligence • Mobile-First • Premium Dark UI
========================================================= */

:root {
    /* Color Palette */
    --bg-main: #07090e;
    --bg-card: #0d121d;
    --bg-card-hover: #111827;
    --bg-surface: #141c2c;
    --bg-surface-elevated: #1a253a;
    
    --border-subtle: rgba(255, 255, 255, 0.07);
    --border-medium: rgba(255, 255, 255, 0.14);
    --border-strong: rgba(255, 255, 255, 0.24);

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-inverse: #07090e;

    /* Semantic Status Accents */
    --status-open: #10b981;
    --status-open-bg: rgba(16, 185, 129, 0.12);
    --status-open-border: rgba(16, 185, 129, 0.3);

    --status-closing: #f59e0b;
    --status-closing-bg: rgba(245, 158, 11, 0.12);
    --status-closing-border: rgba(245, 158, 11, 0.35);

    --status-closed: #ef4444;
    --status-closed-bg: rgba(239, 68, 68, 0.14);
    --status-closed-border: rgba(239, 68, 68, 0.35);

    --status-reopen: #0ea5e9;
    --status-reopen-bg: rgba(14, 165, 233, 0.12);
    --status-reopen-border: rgba(14, 165, 233, 0.35);

    --status-unknown: #64748b;
    --status-unknown-bg: rgba(100, 116, 139, 0.12);
    --status-unknown-border: rgba(100, 116, 139, 0.25);

    /* Typography */
    --font-display: 'Manrope', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'DM Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    /* Layout & Radii */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    /* Shadows & Glows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
    --glow-emerald: 0 0 24px rgba(16, 185, 129, 0.2);
    --glow-amber: 0 0 24px rgba(245, 158, 11, 0.22);
    --glow-crimson: 0 0 24px rgba(239, 68, 68, 0.25);
}

/* Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    background-color: var(--bg-main);
}

body {
    font-family: var(--font-display);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    min-height: -webkit-fill-available;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Accessibility: Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Visible Focus Outlines */
:focus-visible {
    outline: 2px solid var(--status-reopen);
    outline-offset: 3px;
}

/* Ambient Glow Overlays */
.ambient-glow {
    position: fixed;
    pointer-events: none;
    z-index: 0;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.45;
}

.glow-top {
    top: -120px;
    left: 20%;
    width: 480px;
    height: 360px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.2) 0%, rgba(16, 185, 129, 0.08) 70%, transparent 100%);
}

.glow-bottom {
    bottom: -100px;
    right: 10%;
    width: 520px;
    height: 400px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, rgba(14, 165, 233, 0.05) 70%, transparent 100%);
}

.noise-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.025;
    background-image: radial-gradient(#fff 1px, transparent 1px);
    background-size: 24px 24px;
}

/* App Container */
.app-shell {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* =========================================================
   TOP NAVIGATION
========================================================= */
.app-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: rgba(7, 9, 14, 0.85);
    border-bottom: 1px solid var(--border-subtle);
    padding: 12px 16px;
    padding-top: max(12px, env(safe-area-inset-top));
}

.nav-container {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.brand-group {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.brand-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: 1px solid var(--border-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--status-open);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    flex-shrink: 0;
}

.brand-icon svg {
    width: 22px;
    height: 22px;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.brand-name strong {
    font-weight: 800;
    color: #38bdf8;
}

.brand-tagline {
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 500;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.telemetry-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    white-space: nowrap;
}

.status-beacon {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--status-open);
    box-shadow: 0 0 10px var(--status-open);
    animation: beacon-pulse 2s infinite ease-in-out;
}

@keyframes beacon-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

.telemetry-badge.stale .status-beacon {
    background-color: var(--status-closing);
    box-shadow: 0 0 10px var(--status-closing);
}

.telemetry-badge.error .status-beacon {
    background-color: var(--status-closed);
    box-shadow: 0 0 10px var(--status-closed);
}

.icon-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.icon-btn:hover {
    background: var(--bg-surface-elevated);
    color: var(--text-primary);
    border-color: var(--border-medium);
}

.icon-btn svg {
    width: 18px;
    height: 18px;
    transition: transform 0.4s ease;
}

.refresh-btn.loading svg {
    animation: spin-refresh 0.7s infinite linear;
}

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

/* =========================================================
   MAIN CONTENT & LAYOUT
========================================================= */
.app-main {
    flex: 1;
    max-width: 960px;
    width: 100%;
    margin: 0 auto;
    padding: 20px 16px 40px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Section Common */
.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 14px;
    gap: 12px;
}

.section-title-bar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 14px;
    gap: 12px;
}

.eyebrow-pill {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    font-weight: 500;
    letter-spacing: 0.08em;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.2);
    padding: 3px 9px;
    border-radius: var(--radius-full);
    display: inline-block;
}

.sub-kicker {
    font-size: 0.68rem;
    font-family: var(--font-mono);
    letter-spacing: 0.08em;
    color: var(--text-muted);
    text-transform: uppercase;
    display: block;
    margin-bottom: 2px;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.sub-caption {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.updated-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
}

.pulse-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--status-open);
}

/* =========================================================
   CROSSING SWITCHER (Segmented control)
========================================================= */
.crossing-switcher {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    margin-bottom: 16px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.crossing-switcher::-webkit-scrollbar {
    display: none;
}

.crossing-tab {
    flex: 1 0 auto;
    min-width: 140px;
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-align: left;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    color: inherit;
}

.crossing-tab:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-medium);
}

.crossing-tab.active {
    background: var(--bg-surface-elevated);
    border-color: #38bdf8;
    box-shadow: 0 4px 16px rgba(56, 189, 248, 0.15);
}

.tab-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tab-number {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-weight: 500;
}

.tab-name {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tab-status-chip {
    font-size: 0.68rem;
    font-family: var(--font-mono);
    padding: 2px 7px;
    border-radius: var(--radius-full);
    display: inline-block;
    width: fit-content;
    font-weight: 500;
}

.skeleton-pill {
    height: 60px;
    min-width: 140px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    animation: pulse-skeleton 1.5s infinite ease-in-out;
}

@keyframes pulse-skeleton {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

/* =========================================================
   PRIMARY FORECAST CARD (THE HERO ENGINE)
========================================================= */
.primary-forecast-container {
    width: 100%;
}

.forecast-card {
    background: linear-gradient(180deg, var(--bg-card) 0%, rgba(13, 18, 29, 0.85) 100%);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.forecast-card.state-expected-open {
    border-color: var(--status-open-border);
    box-shadow: var(--shadow-md), var(--glow-emerald);
}

.forecast-card.state-approaching {
    border-color: var(--status-closing-border);
    box-shadow: var(--shadow-md), var(--glow-amber);
}

.forecast-card.state-closed {
    border-color: var(--status-closed-border);
    box-shadow: var(--shadow-md), var(--glow-crimson);
}

.forecast-card.state-reopening {
    border-color: var(--status-reopen-border);
}

/* Card Header */
.card-top-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}

.crossing-meta-group h3 {
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.crossing-coords-pill {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
}

/* Status Pill Badge */
.status-pill-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-weight: 800;
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.status-indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

/* Status variants */
.status-open {
    background: var(--status-open-bg);
    color: var(--status-open);
    border: 1px solid var(--status-open-border);
}
.status-open .status-indicator-dot {
    background: var(--status-open);
    box-shadow: 0 0 8px var(--status-open);
}

.status-closing {
    background: var(--status-closing-bg);
    color: var(--status-closing);
    border: 1px solid var(--status-closing-border);
}
.status-closing .status-indicator-dot {
    background: var(--status-closing);
    box-shadow: 0 0 8px var(--status-closing);
    animation: beacon-pulse 1.2s infinite ease-in-out;
}

.status-closed {
    background: var(--status-closed-bg);
    color: var(--status-closed);
    border: 1px solid var(--status-closed-border);
}
.status-closed .status-indicator-dot {
    background: var(--status-closed);
    box-shadow: 0 0 8px var(--status-closed);
}

.status-reopen {
    background: var(--status-reopen-bg);
    color: var(--status-reopen);
    border: 1px solid var(--status-reopen-border);
}
.status-reopen .status-indicator-dot {
    background: var(--status-reopen);
}

.status-unknown {
    background: var(--status-unknown-bg);
    color: var(--text-secondary);
    border: 1px solid var(--status-unknown-border);
}

/* Decision Action Callout */
.action-guidance-banner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    font-size: 0.95rem;
    font-weight: 600;
}

.action-guidance-banner.safe {
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: #a7f3d0;
}

.action-guidance-banner.warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fde68a;
}

.action-guidance-banner.danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fecaca;
}

.action-guidance-banner.neutral {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

/* Continuous Closure Banners */
.continuous-closure-hero-alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #fecaca;
    font-size: 0.88rem;
}

.continuous-closure-hero-alert strong {
    color: #ffffff;
    display: block;
    margin-bottom: 2px;
}

.continuous-closure-train-list {
    color: #fca5a5;
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

.continuous-closure-banner {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px dashed rgba(239, 68, 68, 0.4);
    border-radius: var(--radius-md);
    color: #fca5a5;
    font-size: 0.88rem;
    margin-bottom: 12px;
}

.continuous-closure-banner strong {
    color: #fee2e2;
    font-size: 0.92rem;
}

.action-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* Digital Hero Countdown Unit */
.countdown-hero-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    margin-bottom: 24px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    text-align: center;
}

.countdown-label {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.countdown-digits {
    font-family: var(--font-mono);
    font-size: clamp(2.4rem, 8vw, 4.2rem);
    font-weight: 700;
    line-height: 1;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.countdown-digits.accent-closing {
    color: var(--status-closing);
}

.countdown-digits.accent-closed {
    color: var(--status-closed);
}

.countdown-digits.accent-open {
    color: var(--status-open);
}

.countdown-subtext {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 8px;
}

/* Metric Stats Grid */
.forecast-metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.metric-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
}

.metric-label {
    font-size: 0.68rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 4px;
    display: block;
}

.metric-value {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.metric-value.highlight {
    color: #38bdf8;
}

/* Train Info Drawer Card */
.train-details-banner {
    background: rgba(14, 165, 233, 0.06);
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 18px;
}

.train-title-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.train-icon-badge {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    background: rgba(56, 189, 248, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.train-name-tag {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
}

.train-direction-tag {
    font-size: 0.74rem;
    font-family: var(--font-mono);
    color: #38bdf8;
}

.confidence-chip {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    color: var(--text-secondary);
}

.confidence-chip.high {
    border-color: rgba(16, 185, 129, 0.4);
    color: #34d399;
}

.confidence-chip.medium {
    border-color: rgba(245, 158, 11, 0.4);
    color: #fbbf24;
}

/* Empty / No-Data Card */
.empty-forecast-hero {
    text-align: center;
    padding: 48px 24px;
}

.empty-icon-wrap {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--status-open);
}

.empty-headline {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-description {
    font-size: 0.92rem;
    color: var(--text-secondary);
    max-width: 440px;
    margin: 0 auto;
}

/* =========================================================
   TRACK CORRIDOR VISUALIZER
========================================================= */
.track-visualizer-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 22px;
}

.track-header-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    margin-bottom: 28px;
}

.corridor-limits {
    display: flex;
    align-items: center;
    gap: 8px;
}

.station-code {
    font-size: 0.8rem;
    font-family: var(--font-mono);
    font-weight: 700;
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    color: #38bdf8;
}

.corridor-arrow {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.track-schematic-wrap {
    position: relative;
    padding: 38px 12px 30px;
    margin: 0 8px;
}

.rail-line-bg {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 6px;
    background: #1e293b;
    border-radius: 3px;
    transform: translateY(-50%);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.6);
}

.rail-ties {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 18px;
    transform: translateY(-50%);
    background-image: repeating-linear-gradient(90deg, #334155, #334155 3px, transparent 3px, transparent 18px);
    opacity: 0.35;
    pointer-events: none;
}

.crossing-nodes {
    position: relative;
    display: flex;
    justify-content: space-between;
    z-index: 2;
}

.track-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    background: transparent;
    border: none;
    color: inherit;
    transition: transform 0.2s ease;
}

.track-node:hover {
    transform: translateY(-2px);
}

.node-pin {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--bg-surface-elevated);
    border: 2px solid var(--border-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 800;
    margin-bottom: 8px;
    transition: all 0.2s ease;
}

.track-node.selected .node-pin {
    background: #38bdf8;
    color: #07090e;
    border-color: #f8fafc;
    box-shadow: 0 0 16px #38bdf8;
    transform: scale(1.25);
}

.track-node.state-approaching .node-pin {
    border-color: var(--status-closing);
    background: var(--status-closing-bg);
}

.track-node.state-closed .node-pin {
    border-color: var(--status-closed);
    background: var(--status-closed);
    color: white;
}

.node-label {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    text-align: center;
    max-width: 68px;
    line-height: 1.2;
}

.track-node.selected .node-label {
    color: var(--text-primary);
    font-weight: 700;
}

/* Train Pin along line */
.live-train-marker {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
    transition: left 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.train-pin {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    background: #0284c7;
    border: 1px solid #7dd3fc;
    border-radius: var(--radius-full);
    color: white;
    font-size: 0.72rem;
    font-family: var(--font-mono);
    font-weight: 700;
    box-shadow: 0 0 18px rgba(2, 132, 199, 0.6);
    animation: train-float 2s infinite ease-in-out;
}

@keyframes train-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

.track-legend {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    margin-top: 24px;
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.legend-dot.active-dot { background: #38bdf8; box-shadow: 0 0 6px #38bdf8; }
.legend-dot.open-dot { background: var(--status-open); }
.legend-dot.closing-dot { background: var(--status-closing); }

/* =========================================================
   SECONDARY UPCOMING MOVEMENTS QUEUE
========================================================= */
.queue-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 12px;
}

.continuous-closure-banner {
    grid-column: 1 / -1;
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.35);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fde68a;
    font-size: 0.88rem;
    font-weight: 600;
}

.queue-train-item {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.queue-train-left {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.queue-train-name {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-primary);
}

.queue-train-dir {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
}

.queue-train-timing {
    text-align: right;
}

.queue-train-eta {
    font-size: 0.95rem;
    font-family: var(--font-mono);
    font-weight: 700;
    color: #38bdf8;
}

.queue-train-time {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
}

/* =========================================================
   CORRIDOR GRID (ALL 4 CROSSINGS)
========================================================= */
.crossings-overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.crossing-summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 120px;
    gap: 12px;
}

.crossing-summary-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-medium);
    transform: translateY(-2px);
}

.crossing-summary-card.active {
    border-color: #38bdf8;
    background: var(--bg-surface-elevated);
}

.card-upper {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
}

.card-crossing-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

.card-lower {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
}

.card-passage-eta {
    font-weight: 700;
    color: #38bdf8;
}

/* =========================================================
   TRUST & DISCLOSURE
========================================================= */
.trust-section {
    margin-top: 10px;
}

.trust-card {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.trust-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: rgba(56, 189, 248, 0.1);
    color: #38bdf8;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.trust-icon svg {
    width: 20px;
    height: 20px;
}

.trust-content h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.trust-content p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 12px;
}

.trust-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.trust-tag {
    font-size: 0.68rem;
    font-family: var(--font-mono);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
}

/* =========================================================
   FOOTER
========================================================= */
.app-footer {
    border-top: 1px solid var(--border-subtle);
    background: rgba(7, 9, 14, 0.95);
    padding: 24px 16px;
    padding-bottom: max(24px, env(safe-area-inset-bottom));
    margin-top: auto;
}

.footer-container {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

@media (min-width: 640px) {
    .footer-container {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.footer-logo {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-desc {
    font-size: 0.74rem;
    color: var(--text-muted);
}

.footer-copy {
    display: flex;
    flex-direction: column;
    font-size: 0.74rem;
    color: var(--text-muted);
}

/* =========================================================
   TOAST NOTIFICATIONS
========================================================= */
.toast-container {
    position: fixed;
    bottom: max(20px, env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
    padding: 10px 18px;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-container.visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--status-open);
}

/* =========================================================
   CORRIDOR SCHEMATICS (DIRECTIONAL CHAIN)
========================================================= */
.track-visualizer-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-top: 14px;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.track-schematic-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.track-direction-label {
    font-size: 0.92rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: #38bdf8;
    letter-spacing: 0.02em;
}

.track-distance-label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.schematic-active-train-banner {
    background: rgba(56, 189, 248, 0.08);
    border: 1px solid rgba(56, 189, 248, 0.25);
    border-radius: var(--radius-md);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.train-lead-icon {
    font-size: 1.25rem;
}

.train-banner-text {
    font-size: 0.86rem;
    color: var(--text-primary);
}

.train-banner-text code {
    background: rgba(0, 0, 0, 0.4);
    padding: 2px 6px;
    border-radius: 4px;
    color: #38bdf8;
    font-size: 0.8rem;
}

.train-banner-tag {
    font-size: 0.68rem;
    font-family: var(--font-mono);
    color: #10b981;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.schematic-flow-container {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    padding: 12px 4px 18px 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--border-medium) transparent;
}

.schematic-flow-container::-webkit-scrollbar {
    height: 6px;
}

.schematic-flow-container::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: 3px;
}

.schematic-station-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    min-width: 110px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    flex-shrink: 0;
}

.station-code-badge {
    font-weight: 800;
    font-size: 0.95rem;
    color: #f8fafc;
    letter-spacing: 0.05em;
}

.station-subname {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.schematic-arrow-segment {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #38bdf8;
    font-size: 1.1rem;
    padding: 0 4px;
    flex-shrink: 0;
    opacity: 0.8;
}

.schematic-crossing-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    min-width: 140px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    text-align: left;
    transition: all 0.2s ease;
    flex-shrink: 0;
    font-family: inherit;
    color: inherit;
}

.schematic-crossing-card:hover {
    border-color: var(--border-strong);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.schematic-crossing-card.selected {
    border-color: #38bdf8;
    background: rgba(56, 189, 248, 0.08);
    box-shadow: 0 0 16px rgba(56, 189, 248, 0.2);
}

.schematic-crossing-card.train-target {
    border-color: #f59e0b;
    box-shadow: 0 0 14px rgba(245, 158, 11, 0.2);
}

.card-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.selected-pill {
    font-size: 0.6rem;
    font-weight: 700;
    background: #38bdf8;
    color: #07090e;
    padding: 1px 6px;
    border-radius: 4px;
    letter-spacing: 0.04em;
}

.crossing-schematic-name {
    font-weight: 700;
    font-size: 0.84rem;
    color: var(--text-primary);
}

.schematic-status-chip {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    text-align: center;
}

.track-legend {
    display: flex;
    gap: 16px;
    margin-top: 14px;
    flex-wrap: wrap;
    font-size: 0.74rem;
    color: var(--text-muted);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.legend-dot.active-dot { background: #38bdf8; box-shadow: 0 0 8px #38bdf8; }
.legend-dot.open-dot { background: var(--status-open); }
.legend-dot.closing-dot { background: var(--status-closing); }
.legend-dot.closed-dot { background: var(--status-closed); }

/* =========================================================
   REDUCED MOTION SUPPORT
========================================================= */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}