/* =============================================================================
   Gozo Channel Operations Monitor - Clean Industrial Dashboard
   ============================================================================= */

:root {
    --bg-base: #0b0d12;
    --bg-page: #0b0d12;
    --bg-surface: #11141c;
    --bg-subtle: #161a24;
    --bg-hover: #1b202c;
    
    --border: #202634;
    --border-hover: #2e3649;
    --border-active: #3b455d;
    
    --text-primary: #f1f3f7;
    --text-secondary: #9aa1b2;
    --text-muted: #62697b;
    
    --accent-blue: #38bdf8;
    --accent-amber: #f59e0b;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    
    --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
}

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

body {
    font-family: var(--font-ui);
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

/* ================= HEADER / NAVBAR ================= */
.navbar {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.nav-brand h1 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.nav-last-updated {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-ui);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    background: var(--bg-subtle);
    color: var(--text-primary);
    border: 1px solid var(--border);
    transition: background 0.15s ease, border-color 0.15s ease;
    text-decoration: none;
}

.btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

.btn-sm {
    padding: 0.25rem 0.6rem;
    font-size: 0.75rem;
}

/* ================= MAIN CONTAINER ================= */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2.5rem 2rem 5rem;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.content-section {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* ================= 1. QUEUE SUMMARY ================= */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.kpi-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.terminal-card {
    cursor: pointer;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.terminal-card:hover {
    border-color: var(--border-hover);
    background-color: var(--bg-hover);
}

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

.terminal-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

.kpi-hero {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
}

.kpi-number {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    color: #ffffff;
}

.kpi-unit {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.breakdown-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    text-align: center;
}

.breakdown-col {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.breakdown-col:not(:last-child) {
    border-right: 1px solid var(--border);
}

.breakdown-val {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

.breakdown-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.card-time {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ================= 2. MAP COMPONENT ================= */
.map-wrapper {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    overflow: hidden;
}

.map-container {
    width: 100%;
    height: 480px;
    background-color: var(--bg-base);
    position: relative;
    z-index: 1;
}

.map-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.25rem;
    background: var(--bg-subtle);
    border-top: 1px solid var(--border);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.map-legend {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.legend-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.icon-underway {
    background: var(--accent-blue);
    box-shadow: 0 0 6px rgba(56, 189, 248, 0.6);
}

.icon-moored {
    background: var(--text-muted);
}

.icon-port-cirk {
    background: var(--accent-blue);
    border-radius: 2px;
}

.icon-port-mgarr {
    background: var(--accent-amber);
    border-radius: 2px;
}

/* Leaflet Dark Theme Overrides */
.leaflet-container {
    background-color: #0b0d12 !important;
    font-family: var(--font-ui) !important;
}

.leaflet-bar {
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-sm) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4) !important;
    overflow: hidden;
}

.leaflet-bar a {
    background-color: var(--bg-surface) !important;
    color: var(--text-primary) !important;
    border-bottom: 1px solid var(--border) !important;
    width: 30px !important;
    height: 30px !important;
    line-height: 30px !important;
    transition: background 0.15s ease, color 0.15s ease;
}

.leaflet-bar a:hover {
    background-color: var(--bg-hover) !important;
    color: var(--accent-blue) !important;
}

.leaflet-bar a:last-child {
    border-bottom: none !important;
}

.leaflet-popup-content-wrapper {
    background: var(--bg-surface) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-active) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6) !important;
    padding: 0 !important;
}

.leaflet-popup-content {
    margin: 0 !important;
    line-height: 1.4 !important;
}

.leaflet-popup-tip {
    background: var(--bg-surface) !important;
    border: 1px solid var(--border-active) !important;
    box-shadow: none !important;
}

.leaflet-popup-close-button {
    color: var(--text-muted) !important;
    top: 8px !important;
    right: 8px !important;
    padding: 4px !important;
}

.leaflet-popup-close-button:hover {
    color: var(--text-primary) !important;
}

.leaflet-control-attribution {
    background: rgba(11, 13, 18, 0.85) !important;
    color: var(--text-muted) !important;
    font-size: 10px !important;
    font-family: var(--font-mono) !important;
    padding: 2px 8px !important;
    border-top-left-radius: var(--radius-sm);
}

.leaflet-control-attribution a {
    color: var(--text-secondary) !important;
    text-decoration: none !important;
}

.leaflet-control-attribution a:hover {
    color: var(--accent-blue) !important;
}

/* Custom Vessel Markers */
.vessel-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    position: relative;
}

.vessel-symbol-wrap {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.8));
    transition: transform 0.4s ease;
}

.vessel-svg {
    display: block;
    overflow: visible;
}

.is-underway .vessel-shape {
    fill: var(--accent-blue);
    stroke: #ffffff;
    stroke-width: 1.2;
}

.is-moored .vessel-shape {
    fill: #475569;
    stroke: #94a3b8;
    stroke-width: 1.2;
}

.vessel-tag {
    margin-top: 3px;
    background: rgba(17, 20, 28, 0.94);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 2px 6px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.7);
    pointer-events: none;
}

.vessel-tag-name {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-primary);
}

.vessel-tag-speed {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--accent-blue);
}

.is-moored .vessel-tag-speed {
    color: var(--text-muted);
}

/* Custom Terminal Markers */
.terminal-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    position: relative;
}

.terminal-beacon {
    position: relative;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.terminal-cirkewwa .beacon-core {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-blue);
}

.terminal-cirkewwa .beacon-ring {
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1.5px solid var(--accent-blue);
    opacity: 0.6;
}

.terminal-mgarr .beacon-core {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-amber);
}

.terminal-mgarr .beacon-ring {
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1.5px solid var(--accent-amber);
    opacity: 0.6;
}

.terminal-tag {
    margin-top: 3px;
    background: rgba(17, 20, 28, 0.94);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 2px 7px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.7);
}

.terminal-cirkewwa .terminal-tag {
    border-left: 2px solid var(--accent-blue);
}

.terminal-mgarr .terminal-tag {
    border-left: 2px solid var(--accent-amber);
}

.terminal-tag-name {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.terminal-tag-count {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-secondary);
    background: var(--bg-subtle);
    padding: 0 4px;
    border-radius: 2px;
}

/* Map Popups */
.map-popup-card {
    padding: 1rem 1.25rem;
    min-width: 220px;
}

.map-popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 0.6rem;
    font-size: 0.88rem;
}

.map-popup-grid {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: 0.78rem;
}

.popup-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

.popup-lbl {
    color: var(--text-muted);
}

.popup-val {
    color: var(--text-primary);
}

/* ================= 3. DATA TABLES (FERRIES) ================= */
.table-container {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    text-align: left;
}

.data-table th {
    background: var(--bg-subtle);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table td {
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.ferry-row {
    transition: background 0.15s ease;
}

.ferry-row:hover {
    background: var(--bg-hover);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.vessel-cell {
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.mono {
    font-family: var(--font-mono);
}

.text-muted {
    color: var(--text-muted);
}

.state-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    font-weight: 500;
}

.state-indicator .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.state-underway {
    color: var(--accent-blue);
}

.state-underway .dot {
    background: var(--accent-blue);
    box-shadow: 0 0 6px rgba(56, 189, 248, 0.5);
}

.state-moored {
    color: var(--text-muted);
}

.state-moored .dot {
    background: var(--text-muted);
}

.compass-arrow {
    display: inline-block;
    font-size: 0.85rem;
    margin-left: 0.35rem;
    transition: transform 0.3s ease;
}

.btn-locate {
    padding: 0.25rem 0.6rem;
    font-size: 0.75rem;
    border-color: var(--border);
}

.btn-locate:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

/* ================= 4. CHART ================= */
.chart-container {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}

.chart-svg {
    width: 100%;
    height: auto;
    display: block;
}

.chart-empty {
    padding: 3rem 1rem;
    text-align: center;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 900px) {
    .summary-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .nav-actions {
        width: 100%;
        justify-content: flex-end;
    }
    
    .main-content {
        padding: 1.5rem 1rem 3rem;
        gap: 2rem;
    }

    .map-container {
        height: 360px;
    }

    .map-status-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}