/* ============================================================
   Earth Pulse – Main Stylesheet
   Dark command-center aesthetic
   ============================================================ */

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

:root {
    /* Palette */
    --bg-deep:       #050a14;
    --bg-panel:      #080f1e;
    --bg-glass:      rgba(8, 20, 48, 0.72);
    --bg-item:       rgba(12, 28, 60, 0.60);
    --bg-item-hover: rgba(18, 40, 80, 0.80);

    --border-faint:  rgba(50, 130, 255, 0.12);
    --border-glow:   rgba(50, 130, 255, 0.30);
    --border-active: rgba(50, 180, 255, 0.55);

    --accent-blue:   #1a8cff;
    --accent-cyan:   #00d4ff;
    --accent-pulse:  #0066cc;

    --text-primary:  #d4e8ff;
    --text-secondary:#7aa5cc;
    --text-muted:    #3d6080;
    --text-label:    #4a7fa0;

    /* Magnitude colours */
    --mag-blue:      #3b82f6;
    --mag-yellow:    #f59e0b;
    --mag-orange:    #f97316;
    --mag-red:       #ef4444;

    /* Typography */
    --font-main:     'Inter', 'Segoe UI', system-ui, sans-serif;
    --font-mono:     'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

    /* Layout */
    --header-h:      58px;
    --panel-w:       270px;
    --panel-gap:     12px;
    --radius:        10px;
    --radius-sm:     6px;
}

html, body {
    height: 100%;
    background: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 14px;
    line-height: 1.5;
    overflow: hidden;
}

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-glow); border-radius: 3px; }

/* ── Header bar ───────────────────────────────────────────── */
#header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-h);
    z-index: 1000;
    background: linear-gradient(
        90deg,
        rgba(5, 10, 20, 0.97) 0%,
        rgba(6, 14, 32, 0.95) 50%,
        rgba(5, 10, 20, 0.97) 100%
    );
    border-bottom: 1px solid var(--border-glow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    box-shadow: 0 2px 24px rgba(0, 100, 255, 0.10);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-mark {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1.5px solid var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
    box-shadow: 0 0 12px rgba(26, 140, 255, 0.35);
    background: radial-gradient(circle at 40% 40%, rgba(26,140,255,0.18) 0%, transparent 70%);
}

.logo-mark svg {
    width: 20px;
    height: 20px;
    fill: var(--accent-cyan);
    filter: drop-shadow(0 0 4px var(--accent-cyan));
}

.logo-ring {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px solid rgba(26, 140, 255, 0.20);
    animation: logo-spin 20s linear infinite;
}

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

.app-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-primary);
    text-shadow: 0 0 18px rgba(26, 140, 255, 0.55);
}

.app-subtitle {
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-top: 1px;
}

.header-center {
    display: flex;
    align-items: center;
    gap: 28px;
}

.stat-chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.stat-chip .stat-value {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 700;
    color: var(--accent-cyan);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.50);
    line-height: 1;
}

.stat-chip .stat-label {
    font-size: 9px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 28px;
    background: var(--border-faint);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

/* Live pulse indicator */
.live-badge {
    display: flex;
    align-items: center;
    gap: 7px;
    background: rgba(26, 140, 255, 0.08);
    border: 1px solid var(--border-glow);
    border-radius: 20px;
    padding: 4px 12px;
    font-size: 10px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.pulse-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 6px #22c55e;
    animation: pulse-beat 2s ease-in-out infinite;
}

@keyframes pulse-beat {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(0.7); }
}

#last-updated {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* ── Main layout ──────────────────────────────────────────── */
#app {
    display: grid;
    grid-template-columns: var(--panel-w) 1fr var(--panel-w);
    grid-template-rows: 1fr;
    height: 100vh;
    padding-top: var(--header-h);
    gap: var(--panel-gap);
    padding-left: var(--panel-gap);
    padding-right: var(--panel-gap);
    padding-bottom: var(--panel-gap);
}

/* ── Shared panel style ───────────────────────────────────── */
.panel {
    background: var(--bg-glass);
    border: 1px solid var(--border-faint);
    border-radius: var(--radius);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow:
        0 0 0 1px rgba(0, 80, 200, 0.06) inset,
        0 4px 32px rgba(0, 40, 100, 0.30);
}

.panel::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--border-active) 50%,
        transparent 100%);
    opacity: 0.6;
}

.panel-header {
    padding: 14px 16px 10px;
    border-bottom: 1px solid var(--border-faint);
    flex-shrink: 0;
}

.panel-title {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--text-label);
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-title::before {
    content: '';
    display: block;
    width: 3px;
    height: 12px;
    background: var(--accent-blue);
    border-radius: 2px;
    box-shadow: 0 0 6px var(--accent-blue);
}

.panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

/* ── Left panel – Layer controls ──────────────────────────── */
#panel-layers {
    grid-column: 1;
    grid-row: 1;
}

.layer-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: default;
    margin-bottom: 6px;
    transition: background 0.2s, border-color 0.2s;
    position: relative;
    overflow: hidden;
}

.layer-item.active {
    background: var(--bg-item);
    border-color: var(--border-glow);
}

.layer-item.coming-soon {
    opacity: 0.40;
}

.layer-item.coming-soon:hover {
    opacity: 0.55;
}

.layer-icon {
    width: 30px;
    height: 30px;
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    flex-shrink: 0;
}

.layer-icon.eq   { background: rgba(59, 130, 246, 0.18); border: 1px solid rgba(59,130,246,0.30); }
.layer-icon.vol  { background: rgba(239, 68, 68, 0.14); border: 1px solid rgba(239,68,68,0.25); }
.layer-icon.fire { background: rgba(249, 115, 22, 0.14); border: 1px solid rgba(249,115,22,0.25); }
.layer-icon.wx   { background: rgba(34, 197, 94, 0.12); border: 1px solid rgba(34,197,94,0.22); }

.layer-info {
    flex: 1;
    min-width: 0;
}

.layer-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.layer-status {
    font-size: 9px;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 2px;
}

.layer-status.enabled     { color: #22c55e; }
.layer-status.coming-soon { color: var(--text-muted); }

.layer-toggle {
    width: 30px;
    height: 16px;
    border-radius: 8px;
    background: var(--accent-blue);
    position: relative;
    flex-shrink: 0;
    box-shadow: 0 0 8px rgba(26,140,255,0.40);
}

.layer-toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    right: 2px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

/* Magnitude legend */
.legend-block {
    margin-top: 8px;
    padding: 12px;
    background: rgba(5, 12, 30, 0.50);
    border: 1px solid var(--border-faint);
    border-radius: var(--radius-sm);
}

.legend-title {
    font-size: 9px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.legend-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 7px;
    font-size: 11px;
    color: var(--text-secondary);
}

.legend-row:last-child { margin-bottom: 0; }

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 5px currentColor;
}

.legend-dot.blue   { background: var(--mag-blue);   color: var(--mag-blue); }
.legend-dot.yellow { background: var(--mag-yellow); color: var(--mag-yellow); }
.legend-dot.orange { background: var(--mag-orange); color: var(--mag-orange); }
.legend-dot.red    { background: var(--mag-red);    color: var(--mag-red); }

/* Feed selector */
.feed-selector {
    margin-top: 8px;
}

.feed-selector label {
    font-size: 9px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    display: block;
    margin-bottom: 6px;
}

.feed-selector select {
    width: 100%;
    padding: 7px 10px;
    background: rgba(5, 12, 30, 0.70);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 11px;
    font-family: var(--font-main);
    cursor: pointer;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237aa5cc' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 10px;
    padding-right: 28px;
}

.feed-selector select:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 8px rgba(26,140,255,0.25);
}

.feed-selector select option {
    background: #0a1628;
}

/* ── Map container ────────────────────────────────────────── */
#map-wrapper {
    grid-column: 2;
    grid-row: 1;
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-faint);
    box-shadow:
        0 0 0 1px rgba(0, 80, 200, 0.08) inset,
        0 4px 40px rgba(0, 40, 120, 0.40);
}

#map {
    width: 100%;
    height: 100%;
}

/* Leaflet popup overrides */
.leaflet-popup-content-wrapper {
    background: rgba(5, 14, 35, 0.95) !important;
    border: 1px solid var(--border-glow) !important;
    border-radius: var(--radius) !important;
    box-shadow: 0 4px 32px rgba(0, 40, 120, 0.60) !important;
    backdrop-filter: blur(8px);
    color: var(--text-primary) !important;
    padding: 0 !important;
}

.leaflet-popup-content {
    margin: 0 !important;
    min-width: 230px;
}

.leaflet-popup-tip {
    background: rgba(8, 20, 48, 0.95) !important;
}

.leaflet-popup-close-button {
    color: var(--text-secondary) !important;
    font-size: 16px !important;
    padding: 8px 10px !important;
}

.eq-popup {
    padding: 16px 18px;
}

.eq-popup-mag {
    font-family: var(--font-mono);
    font-size: 28px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 4px;
}

.eq-popup-place {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.4;
}

.eq-popup-divider {
    height: 1px;
    background: var(--border-faint);
    margin-bottom: 10px;
}

.eq-popup-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 3px 0;
    font-size: 11px;
}

.eq-popup-row .key {
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.eq-popup-row .val {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 11px;
}

.eq-popup-link {
    display: inline-block;
    margin-top: 12px;
    padding: 5px 12px;
    border: 1px solid var(--border-glow);
    border-radius: 4px;
    font-size: 10px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent-cyan);
    text-decoration: none;
    transition: background 0.2s;
}

.eq-popup-link:hover {
    background: rgba(26, 140, 255, 0.12);
}

/* Leaflet attribution */
.leaflet-control-attribution {
    background: rgba(5, 10, 20, 0.80) !important;
    color: var(--text-muted) !important;
    font-size: 9px !important;
    padding: 2px 6px !important;
    border-radius: 3px 0 0 0 !important;
}

.leaflet-control-attribution a { color: var(--text-muted) !important; }

.leaflet-control-zoom a {
    background: rgba(5, 14, 35, 0.90) !important;
    color: var(--text-secondary) !important;
    border-color: var(--border-glow) !important;
}

.leaflet-control-zoom a:hover {
    background: rgba(26, 140, 255, 0.18) !important;
    color: var(--text-primary) !important;
}

/* Map loading overlay */
#map-loading {
    position: absolute;
    inset: 0;
    z-index: 500;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(5, 10, 20, 0.85);
    gap: 14px;
    transition: opacity 0.4s;
}

#map-loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 2px solid var(--border-faint);
    border-top-color: var(--accent-blue);
    animation: spin 0.9s linear infinite;
}

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

#map-loading p {
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* Map corner overlay (scanline effect) */
#map-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 20, 60, 0.04) 2px,
        rgba(0, 20, 60, 0.04) 4px
    );
    z-index: 400;
}

/* Corner brackets */
.map-corner {
    position: absolute;
    width: 18px;
    height: 18px;
    z-index: 410;
    pointer-events: none;
}

.map-corner.tl { top: 8px; left: 8px; border-top: 2px solid var(--accent-blue); border-left: 2px solid var(--accent-blue); }
.map-corner.tr { top: 8px; right: 8px; border-top: 2px solid var(--accent-blue); border-right: 2px solid var(--accent-blue); }
.map-corner.bl { bottom: 8px; left: 8px; border-bottom: 2px solid var(--accent-blue); border-left: 2px solid var(--accent-blue); }
.map-corner.br { bottom: 8px; right: 8px; border-bottom: 2px solid var(--accent-blue); border-right: 2px solid var(--accent-blue); }

/* ── Right panel – Activity feed ──────────────────────────── */
#panel-activity {
    grid-column: 3;
    grid-row: 1;
}

.activity-empty {
    text-align: center;
    padding: 24px 12px;
    color: var(--text-muted);
    font-size: 11px;
    letter-spacing: 1px;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 9px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-faint);
    background: var(--bg-item);
    margin-bottom: 6px;
    cursor: pointer;
    transition: background 0.18s, border-color 0.18s;
}

.activity-item:hover {
    background: var(--bg-item-hover);
    border-color: var(--border-glow);
}

.activity-item:last-child { margin-bottom: 0; }

.activity-mag {
    font-family: var(--font-mono);
    font-size: 15px;
    font-weight: 700;
    line-height: 1;
    flex-shrink: 0;
    width: 36px;
    text-align: center;
    padding-top: 2px;
}

.activity-info {
    flex: 1;
    min-width: 0;
}

.activity-place {
    font-size: 11px;
    color: var(--text-primary);
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.activity-time {
    font-size: 9px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-top: 3px;
}

.activity-depth {
    font-size: 9px;
    color: var(--text-label);
    flex-shrink: 0;
    text-align: right;
    font-family: var(--font-mono);
}

/* Strongest event highlight */
.strongest-block {
    margin-bottom: 12px;
    padding: 12px;
    background: rgba(239, 68, 68, 0.07);
    border: 1px solid rgba(239, 68, 68, 0.22);
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
}

.strongest-block::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(239,68,68,0.50), transparent);
}

.strongest-label {
    font-size: 8px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: rgba(239, 68, 68, 0.70);
    margin-bottom: 6px;
}

.strongest-mag {
    font-family: var(--font-mono);
    font-size: 32px;
    font-weight: 700;
    color: var(--mag-red);
    text-shadow: 0 0 14px rgba(239, 68, 68, 0.50);
    line-height: 1;
}

.strongest-place {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 4px;
    line-height: 1.3;
}

/* ── Error banner ─────────────────────────────────────────── */
#error-banner {
    display: none;
    position: fixed;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.40);
    border-radius: var(--radius-sm);
    padding: 10px 20px;
    font-size: 11px;
    color: #fca5a5;
    letter-spacing: 0.5px;
    backdrop-filter: blur(8px);
}

#error-banner.visible { display: block; }

/* ── Utility ──────────────────────────────────────────────── */
.text-blue   { color: var(--mag-blue); }
.text-yellow { color: var(--mag-yellow); }
.text-orange { color: var(--mag-orange); }
.text-red    { color: var(--mag-red); }

/* ── Responsive safety net ────────────────────────────────── */
@media (max-width: 900px) {
    :root { --panel-w: 220px; }
    .header-center { display: none; }
}

@media (max-width: 680px) {
    #app {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
        overflow-y: auto;
    }

    #panel-layers  { grid-column: 1; grid-row: 1; max-height: 200px; }
    #map-wrapper   { grid-column: 1; grid-row: 2; min-height: 50vh; }
    #panel-activity { grid-column: 1; grid-row: 3; max-height: 240px; }
    html, body { overflow: auto; }
}