:root {
    --bg-primary: #2c3345;
    --bg-secondary: #343b50;
    --bg-card: #2c3345;
    --text-primary: #e8ecf4;
    --text-secondary: #9098b0;
    --accent-blue: #4a8fd9;
    --accent-teal: #1a8a7d;
    --accent-rain: #5574b8;
    --accent-river: #1a8a7d;
    --accent-tidal: #c47a2a;
    --border: #404860;
    --danger: #d94a4a;
    --warning-severe: #d94a4a;
    --warning-warning: #e08a3a;
    --warning-alert: #d4b84a;
    --warning-clear: #4aad4a;
    --accent-forecast: #d4a037;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh; /* fallback for older browsers */
    height: 100dvh;
    overflow: hidden;
    position: fixed;
    width: 100%;
}

#header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    height: 52px;
    z-index: 1000;
    position: relative;
}

#header h1 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

#header h1 .logo-icon {
    width: 24px;
    height: 24px;
    background: var(--accent-teal);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 0px;
}

.header-meta {
    padding-left: 32px;
}

.github-link {
    font-size: 10px;
    color: var(--text-secondary);
    text-decoration: none;
}

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

.version-tag {
    font-size: 10px;
    color: var(--text-secondary);
    padding-left: 4px;
}

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

.header-right .last-updated {
    font-size: 12px;
    color: var(--text-secondary);
}

#refresh-btn {
    padding: 6px 14px;
    background: var(--accent-blue);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background 0.2s;
}

#refresh-btn:hover { background: #5a9ee9; }
#refresh-btn:disabled { background: #4a5070; cursor: not-allowed; }

#refresh-btn .spinner {
    display: none;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

#refresh-btn.loading .spinner { display: block; }
#refresh-btn.loading .btn-text { display: none; }

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

/* Flood status (no-warnings indicator in header) */
.flood-status {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    color: var(--warning-clear);
    opacity: 0;
    transition: opacity 0.3s;
}
.flood-status.visible { opacity: 1; }
.flood-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--warning-clear);
}
.flood-status-label { white-space: nowrap; }

/* Flood warnings banner */
.flood-warnings {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    z-index: 999;
    position: relative;
}
.flood-warnings.hidden { display: none; }

.flood-warnings-summary {
    display: flex;
    align-items: center;
    padding: 8px 20px;
    cursor: pointer;
    gap: 10px;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    min-height: 38px;
}
.flood-warnings-summary:hover { background: rgba(255,255,255,0.03); }

.flood-warnings-icon { font-size: 16px; flex-shrink: 0; }
.flood-warnings-text { flex: 1; font-size: 13px; font-weight: 500; color: var(--text-primary); }
.flood-warnings-chevron {
    font-size: 14px;
    color: var(--text-secondary);
    transition: transform 0.2s;
    flex-shrink: 0;
}
.flood-warnings.expanded .flood-warnings-chevron { transform: rotate(180deg); }

/* Severity-specific banner styling */
.flood-warnings.severity-1 .flood-warnings-summary {
    border-left: 4px solid var(--warning-severe);
    background: rgba(217,74,74,0.12);
}
.flood-warnings.severity-2 .flood-warnings-summary {
    border-left: 4px solid var(--warning-warning);
    background: rgba(224,138,58,0.08);
}
.flood-warnings.severity-3 .flood-warnings-summary {
    border-left: 4px solid var(--warning-alert);
    background: rgba(212,184,74,0.06);
}

/* Pulse animation for severe warnings */
.flood-warnings.severity-1 .flood-warnings-icon {
    animation: warningPulse 1.5s ease-in-out infinite;
}
@keyframes warningPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Expanded details panel */
.flood-warnings-details {
    display: none;
    padding: 0 20px 12px;
    border-top: 1px solid var(--border);
}
.flood-warnings.expanded .flood-warnings-details { display: block; }

.flood-warning-item {
    padding: 10px 0;
    border-bottom: 1px solid rgba(64,72,96,0.5);
}
.flood-warning-item:last-child { border-bottom: none; }

.flood-warning-item-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.flood-warning-severity {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 2px 8px;
    border-radius: 3px;
    white-space: nowrap;
}
.flood-warning-severity.sev-1 { background: var(--warning-severe); color: white; }
.flood-warning-severity.sev-2 { background: var(--warning-warning); color: white; }
.flood-warning-severity.sev-3 { background: var(--warning-alert); color: #333; }

.flood-warning-description {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}
.flood-warning-message {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-top: 4px;
}
.flood-warning-meta {
    font-size: 10px;
    color: var(--text-secondary);
    margin-top: 4px;
    display: flex;
    gap: 12px;
}

/* Content area: flex column so map fills remaining space */
#content-area {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 52px);
    height: calc(100dvh - 52px);
}

#map {
    flex: 1;
    min-height: 0;
    width: 100%;
}

/* Legend */
.legend {
    background: rgba(255,255,255,0.92);
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid #d8dce6;
    font-size: 12px;
    line-height: 1.8;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    color: #444;
}

.legend h4 {
    margin-bottom: 6px;
    color: #333;
    font-size: 13px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #555;
}

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

.legend-line {
    width: 20px;
    height: 3px;
    flex-shrink: 0;
    border-radius: 2px;
}

/* Legend toggle: hidden on desktop, shown on mobile */
.legend .legend-toggle {
    display: none;
}

.legend .legend-body {
    display: block;
}

/* Popup styling */
.tarka-tooltip {
    background: rgba(50, 50, 50, 0.85) !important;
    color: white !important;
    border: none !important;
    border-radius: 4px !important;
    padding: 3px 8px !important;
    font-size: 11px !important;
    font-weight: 500 !important;
    box-shadow: 0 1px 4px rgba(0,0,0,0.3) !important;
}

.tarka-tooltip .leaflet-tooltip-top::before {
    border-top-color: rgba(50, 50, 50, 0.85) !important;
}

.leaflet-popup-content-wrapper {
    background: var(--bg-card) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border) !important;
    border-radius: 10px !important;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4) !important;
    padding: 0 !important;
}

.leaflet-popup-tip {
    background: var(--bg-card) !important;
    border: 1px solid var(--border) !important;
}

.leaflet-popup-content {
    margin: 0 !important;
    width: 380px !important;
    max-width: 90vw !important;
}

.leaflet-popup-close-button {
    color: var(--text-secondary) !important;
    font-size: 20px !important;
    right: 6px !important;
    top: 4px !important;
    width: 32px !important;
    height: 32px !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
    padding: 0 !important;
    z-index: 10;
}

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

.popup-header {
    padding: 8px 40px 4px 16px;
    border-bottom: 1px solid var(--border);
}

.popup-header h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 1px;
}

.popup-header .station-type {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.popup-header .station-type.level { color: var(--accent-river); }
.popup-header .station-type.rainfall { color: var(--accent-rain); }
.popup-header .station-type.tidal { color: var(--accent-tidal); }

.popup-current {
    padding: 3px 16px 4px;
    display: flex;
    align-items: baseline;
    gap: 6px;
    border-bottom: 1px solid var(--border);
}

.popup-current .value {
    font-size: 28px;
    font-weight: 700;
}

.popup-current .unit {
    font-size: 14px;
    color: var(--text-secondary);
}

.popup-current .timestamp {
    font-size: 11px;
    color: var(--text-secondary);
    margin-left: auto;
}

.popup-chart-area {
    display: flex;
    height: 220px;
}

.popup-chart {
    flex: 1;
    min-width: 0;
    padding: 10px 0 12px 12px;
}

.popup-chart canvas {
    width: 100% !important;
    height: 100% !important;
}

.popup-timerange {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 3px;
    padding: 10px 10px 12px 6px;
}

.popup-timerange button {
    padding: 5px 8px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    min-width: 34px;
    text-align: center;
    -webkit-tap-highlight-color: transparent;
}

.popup-timerange button:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.popup-timerange button.active {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

.popup-timerange button.forecast-btn {
    border-color: var(--accent-forecast);
    color: var(--accent-forecast);
    font-size: 10px;
    margin-top: 4px;
}
.popup-timerange button.forecast-btn:hover {
    background: rgba(212, 160, 55, 0.15);
    color: #e8b84a;
}
.popup-timerange button.forecast-btn.active {
    background: var(--accent-forecast);
    color: white;
    border-color: var(--accent-forecast);
}

.popup-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
}
.popup-tabs button {
    flex: 1;
    padding: 6px 8px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s;
}
.popup-tabs button:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}
.popup-tabs button.active {
    color: var(--accent-tidal);
    border-bottom-color: var(--accent-tidal);
}
.popup-tabs button.tab-discharge.active {
    color: var(--accent-forecast);
    border-bottom-color: var(--accent-forecast);
}
.discharge-legend {
    padding: 4px 0 6px;
    text-align: center;
}
.discharge-legend-row {
    display: flex;
    justify-content: center;
    gap: 12px;
    line-height: 1.4;
}
.discharge-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 9px;
    color: #8890a8;
}
.legend-swatch {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 2px;
}
.legend-line {
    display: inline-block;
    width: 12px;
    height: 0;
    border-top: 2px solid;
}
.legend-line.dashed {
    border-top-style: dashed;
}

.popup-nodata {
    padding: 30px 16px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
}

/* Custom marker styling */
.station-marker {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 700;
    font-size: 10px;
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
    border: 2px solid rgba(255,255,255,0.8);
    transition: transform 0.15s;
    cursor: pointer;
}

.station-marker:hover {
    transform: scale(1.2);
    z-index: 1000 !important;
}

.station-marker.level {
    background: var(--accent-river);
}

.station-marker.level.high-level {
    background: #e05555;
}

.station-marker.rainfall {
    background: var(--accent-rain);
    border-radius: 50% 50% 50% 0;
    transform: rotate(-45deg);
}

.station-marker.rainfall:hover {
    transform: rotate(-45deg) scale(1.2);
}

.station-marker.rainfall .marker-value {
    transform: rotate(45deg);
}

.station-marker.tidal {
    background: var(--accent-tidal);
    border-radius: 4px;
    transform: rotate(45deg);
}

.station-marker.tidal:hover {
    transform: rotate(45deg) scale(1.2);
}

.station-marker.tidal .marker-value {
    transform: rotate(-45deg);
}

.marker-value {
    line-height: 1;
}

/* Trend arrow indicator -- small badge tucked against bottom-right of marker */
.trend-badge {
    position: absolute;
    bottom: -4px;
    right: -4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    line-height: 1;
    border: 1.5px solid rgba(255,255,255,0.9);
    box-shadow: 0 1px 3px rgba(0,0,0,0.4);
    pointer-events: none;
}

.trend-badge.rising { background: #e05555; color: white; }
.trend-badge.falling { background: #4aad4a; color: white; }
.trend-badge.steady { background: #7a8099; color: white; }

/* Counter-rotate badge inside rotated markers so arrows stay upright */
.station-marker.tidal .trend-badge {
    transform: rotate(-45deg);
    bottom: -2px;
    right: -6px;
}

.station-marker.rainfall .trend-badge {
    transform: rotate(45deg);
    bottom: 1px;
    right: -6px;
}

/* Refresh activity log */
.refresh-log {
    position: absolute;
    bottom: 30px;
    right: 16px;
    z-index: 1000;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 3px;
    transition: opacity 0.6s ease;
}

.refresh-log.hidden {
    opacity: 0;
}

.refresh-log-entry {
    background: rgba(44, 51, 69, 0.92);
    color: #c0c8e0;
    font-size: 11px;
    font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
    padding: 4px 10px;
    border-radius: 4px;
    border-left: 3px solid var(--accent-blue);
    max-width: 340px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    animation: logSlideIn 0.2s ease;
}

.refresh-log-entry.success {
    border-left-color: var(--accent-teal);
    color: #8fd4c8;
}

.refresh-log-entry.warn {
    border-left-color: #c4a42a;
    color: #d4c888;
}

.refresh-log-entry.error {
    border-left-color: var(--danger);
    color: #e0a0a0;
}

.refresh-log-entry.info {
    border-left-color: var(--accent-blue);
}

.refresh-log-progress {
    background: rgba(44, 51, 69, 0.92);
    padding: 5px 12px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: #c0c8e0;
    font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
}

.refresh-log-progress .bar-bg {
    width: 80px;
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
    overflow: hidden;
}

.refresh-log-progress .bar-fill {
    height: 100%;
    background: var(--accent-blue);
    border-radius: 2px;
    transition: width 0.3s ease;
}

@keyframes logSlideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ======================================================
   Mobile Responsive Styles
   ====================================================== */

/* Tablet and smaller */
@media (max-width: 768px) {
    #header {
        padding: 8px 12px;
        height: 46px;
    }

    #header h1 {
        font-size: 15px;
        gap: 6px;
    }

    #header h1 .logo-icon {
        width: 20px;
        height: 20px;
        font-size: 12px;
        border-radius: 5px;
    }

    .header-right {
        gap: 8px;
    }

    .header-right .last-updated {
        font-size: 10px;
        max-width: 120px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    #refresh-btn {
        padding: 5px 10px;
        font-size: 12px;
    }

    #content-area {
        height: calc(100vh - 46px); /* fallback */
        height: calc(100dvh - 46px);
    }

    .flood-warnings-summary { padding: 6px 12px; min-height: 34px; gap: 8px; }
    .flood-warnings-text { font-size: 12px; }
    .flood-warnings-details { padding: 0 12px 10px; }
    .flood-warning-item { padding: 8px 0; }

    /* Popups: fill more of the viewport */
    .leaflet-popup-content {
        width: 320px !important;
        max-width: 88vw !important;
    }

    .popup-header {
        padding: 8px 36px 5px 12px;
    }

    .popup-header h3 {
        font-size: 14px;
    }

    .popup-current {
        padding: 5px 12px;
    }

    .popup-current .value {
        font-size: 24px;
    }

    .popup-chart-area {
        height: 200px;
    }

    .popup-chart {
        padding: 8px 0 10px 8px;
    }

    .popup-timerange {
        padding: 8px 8px 10px 4px;
        gap: 2px;
    }

    .popup-timerange button {
        padding: 5px 6px;
        font-size: 11px;
    }

    .popup-timerange button.forecast-btn {
        font-size: 9px;
    }

    .popup-tabs button {
        padding: 5px 6px;
        font-size: 10px;
    }

    /* Legend: more compact */
    .legend {
        padding: 8px 12px;
        font-size: 11px;
        max-height: 50vh;
        overflow-y: auto;
    }

    .legend h4 {
        font-size: 11px;
        margin-bottom: 3px;
    }

    .legend-item {
        gap: 6px;
    }

    /* Refresh log: don't overlap legend */
    .refresh-log {
        bottom: 20px;
        right: 10px;
        left: 60px;
    }

    .refresh-log-entry {
        max-width: 100%;
        font-size: 10px;
        padding: 3px 8px;
    }
}

/* Phone screens */
@media (max-width: 480px) {
    #header {
        padding: 4px 10px;
        min-height: 42px;
        height: auto;
    }

    #header h1 {
        font-size: 13px;
        gap: 5px;
    }

    /* Hide the em-dash and "River Taw" part on very small screens */
    #header h1 .subtitle {
        display: none;
    }

    .header-meta {
        padding-left: 24px;
    }

    .github-link {
        font-size: 9px;
    }

    .header-right {
        flex-direction: column;
        align-items: flex-end;
        gap: 2px;
    }

    .header-right .last-updated {
        font-size: 9px;
        order: 2;
    }

    #refresh-btn {
        padding: 5px 10px;
        font-size: 11px;
        gap: 4px;
    }

    #content-area {
        height: calc(100vh - 52px); /* fallback */
        height: calc(100dvh - 52px);
    }

    .flood-status-label { display: none; }
    .flood-warnings-summary { padding: 5px 10px; min-height: 30px; gap: 6px; }
    .flood-warnings-icon { font-size: 14px; }
    .flood-warnings-text { font-size: 11px; }
    .flood-warnings-chevron { font-size: 12px; }
    .flood-warnings-details { padding: 0 10px 8px; max-height: 40vh; overflow-y: auto; }
    .flood-warning-description { font-size: 12px; }
    .flood-warning-message { font-size: 11px; }

    /* Popups: near full-width */
    .leaflet-popup-content {
        width: 280px !important;
        max-width: 92vw !important;
    }

    .popup-header {
        padding: 6px 40px 4px 10px;
    }

    .popup-header h3 {
        font-size: 13px;
        line-height: 1.3;
    }

    .popup-header .station-type {
        font-size: 10px;
    }

    .popup-current {
        padding: 4px 10px;
        gap: 4px;
    }

    .popup-current .value {
        font-size: 22px;
    }

    .popup-current .unit {
        font-size: 12px;
    }

    .popup-current .timestamp {
        font-size: 10px;
    }

    .popup-chart-area {
        height: 170px;
    }

    .popup-chart {
        padding: 6px 0 8px 6px;
    }

    .popup-timerange {
        padding: 6px 6px 8px 3px;
        gap: 2px;
    }

    .popup-timerange button {
        padding: 4px 5px;
        font-size: 10px;
        border-radius: 3px;
        min-width: 28px;
        -webkit-tap-highlight-color: transparent;
    }

    .popup-timerange button.forecast-btn {
        font-size: 9px;
        min-width: unset;
    }

    .popup-tabs button {
        padding: 4px 5px;
        font-size: 9px;
    }

    .popup-nodata {
        padding: 20px 10px;
        font-size: 12px;
    }

    .leaflet-popup-close-button {
        font-size: 20px !important;
        right: 2px !important;
        top: 2px !important;
        width: 40px !important;
        height: 40px !important;
    }

    /* Legend: collapsible on phone, fixed position to avoid Safari toolbar */
    .legend {
        position: fixed !important;
        bottom: auto !important;
        left: auto !important;
        top: 60px;
        right: 10px;
        padding: 6px 10px;
        font-size: 10px;
        line-height: 1.6;
        max-width: 150px;
        z-index: 1000;
    }

    .legend .legend-body {
        display: none;
    }

    .legend.expanded .legend-body {
        display: block;
    }

    .legend .legend-toggle {
        display: flex;
        align-items: center;
        justify-content: space-between;
        cursor: pointer;
        font-size: 11px;
        font-weight: 600;
        color: #333;
        padding: 2px 0;
        -webkit-tap-highlight-color: transparent;
    }

    .legend .legend-toggle::after {
        content: '\25B8';
        font-size: 10px;
        margin-left: 6px;
        transition: transform 0.2s;
    }

    .legend.expanded .legend-toggle::after {
        transform: rotate(90deg);
    }

    .legend h4 {
        font-size: 10px;
        margin-bottom: 2px;
    }

    .legend-item {
        gap: 5px;
    }

    .legend-dot {
        width: 10px;
        height: 10px;
    }

    .legend-line {
        width: 16px;
    }

    /* Markers: slightly larger for touch */
    .station-marker {
        font-size: 9px;
    }

    /* Refresh log: bottom-center on phone */
    .refresh-log {
        bottom: 14px;
        right: 8px;
        left: 8px;
        align-items: stretch;
    }

    .refresh-log-entry {
        max-width: 100%;
        font-size: 9px;
        padding: 3px 6px;
        white-space: normal;
        word-break: break-word;
    }

    .refresh-log-progress {
        font-size: 10px;
        padding: 4px 8px;
    }

    .refresh-log-progress .bar-bg {
        width: 60px;
    }

    /* Leaflet zoom controls: make touch-friendly */
    .leaflet-control-zoom a {
        width: 36px !important;
        height: 36px !important;
        line-height: 36px !important;
        font-size: 18px !important;
    }
}

/* Attribution */
.leaflet-control-attribution {
    background: rgba(255, 255, 255, 0.85) !important;
    color: #666 !important;
    font-size: 10px !important;
}

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

/* ======================================================
   Classes replacing inline styles (CSP compliance)
   ====================================================== */

/* Flow arrows on river overlays */
.flow-arrow {
    font-size: 14px;
    opacity: 0.6;
    text-shadow: 0 0 4px rgba(0,0,0,0.4);
    line-height: 1;
}

/* River name labels */
.river-label {
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.8px;
    border-width: 1px;
    border-style: solid;
    white-space: nowrap;
    width: max-content;
    transform: translateX(-50%);
}

/* Railway line labels */
.railway-label {
    background: rgba(255,255,255,0.85);
    color: #555;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border: 1px solid #ccc;
    white-space: nowrap;
    width: max-content;
    transform: translateX(-50%);
}

/* Legend: station type dots */
.legend-dot.river { background: var(--accent-river); }
.legend-dot.tidal { background: var(--accent-tidal); border-radius: 3px; transform: rotate(45deg); }
.legend-dot.rain { background: var(--accent-rain); border-radius: 50% 50% 50% 0; transform: rotate(-45deg); }

/* Legend: section spacing */
.legend h4.legend-section { margin-top: 8px; }

/* Legend: river colour lines */
.legend-line.river-taw { background: #1a8a7d; opacity: 0.7; }
.legend-line.river-mole { background: #2e7dab; opacity: 0.7; }
.legend-line.river-little-dart { background: #8a6e1a; opacity: 0.7; }
.legend-line.river-yeo { background: #7a4a8a; opacity: 0.7; }
.legend-line.river-lapford-yeo { background: #ab5e2e; opacity: 0.7; }
.legend-line.river-crooked-oak { background: #5a8a3a; opacity: 0.7; }
.legend-line.river-hollocombe { background: #6a7a3a; opacity: 0.7; }

/* Legend: flow direction indicator */
.legend-flow-arrow {
    color: #1a8a7d;
    font-size: 12px;
}

/* Legend: railway dashed lines */
.legend-line.railway {
    background: none;
    border-top: 2px dashed #888;
    height: 0;
    opacity: 0.5;
}

/* Legend: trend badges */
.legend-trend {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    color: white;
    font-weight: 700;
}
.legend-trend.rising { background: #e05555; }
.legend-trend.falling { background: #4aad4a; }
.legend-trend.steady { background: #7a8099; }

/* Station marker sizing (set via CSS custom property) */
.station-marker {
    width: var(--marker-size, 36px);
    height: var(--marker-size, 36px);
}

/* Popup: upstream order note */
.upstream-note {
    font-size: 10px;
    color: var(--text-secondary);
    margin-left: 8px;
}

/* Popup: trend indicator in current value area */
.popup-trend {
    font-size: 16px;
    margin-left: 4px;
}
.popup-trend.rising { color: #e05555; }
.popup-trend.falling { color: #4aad4a; }
.popup-trend.steady { color: #b0b8d0; }

/* Discharge legend swatches */
.legend-swatch.forecast-range {
    background: rgba(212,160,55,0.15);
    border: 1px solid rgba(212,160,55,0.4);
}
.legend-line.discharge-mean { border-color: #d4a037; }
.legend-line.dashed.normal-flow { border-color: rgba(74,173,74,0.6); }
.legend-line.dashed.high-flow { border-color: rgba(224,85,85,0.6); }

/* ======================================================
   Reduced Motion
   ====================================================== */
@media (prefers-reduced-motion: reduce) {
    #refresh-btn .spinner { animation: none; }
    .flood-warnings.severity-1 .flood-warnings-icon { animation: none; }
    .refresh-log-entry { animation: none; }
}