/* ============================================================
   CWC FMISC STANDALONE GIS — MAP PAGES STYLESHEET
   Styling for Map Controls, Layers Panel, Popups, Coordinates,
   Basemap Switcher, and Leaflet Attribution
   Guaranteed Non-Zero Viewport Dimensions for Leaflet
   Zero Inline Styles Architecture
   ============================================================ */

/* Map Page Full Viewport Layout */
html, body.map-page-layout {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.map-page-body {
    flex: 1 1 auto;
    min-height: 0;
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #060c18;
}

.gis-map {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    min-height: 400px;
    outline: none !important;
    background: #081220;
    -webkit-tap-highlight-color: transparent !important;
    user-select: none !important;
    -webkit-user-select: none !important;
}

.gis-map:focus,
.gis-map:focus-visible,
.gis-map *:focus,
.gis-map *:focus-visible {
    outline: none !important;
    box-shadow: none !important;
}

/* ------------------------------------------------------------
   Floating GIS Layers Panel (Collapsible Widget)
   ------------------------------------------------------------ */
.gis-layers-panel {
    position: absolute;
    top: 14px;
    right: 58px;
    width: 260px;
    background: var(--surface-panel);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--surface-panel-border);
    border-radius: 9px;
    box-shadow: var(--shadow-lg);
    z-index: 800;
    overflow: hidden;
    transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    font-size: 0.82rem;
}

.gis-layers-panel.collapsed {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px) scale(0.96);
}

.layers-panel-header {
    background: rgba(0, 0, 0, 0.35);
    padding: 0.65rem 0.95rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-subtle);
    font-weight: 700;
    color: #38bdf8;
    text-transform: uppercase;
    font-size: 0.74rem;
    letter-spacing: 0.6px;
}

/* Basemap Switcher Section inside Layer Panel */
.layers-basemap-section {
    padding: 0.55rem 0.95rem;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.basemap-section-title {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.basemap-toggle-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem;
    background: rgba(0, 0, 0, 0.25);
    padding: 0.25rem;
    border-radius: 6px;
    border: 1px solid var(--border-subtle);
}

.basemap-radio-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    font-size: 0.74rem;
    font-weight: 600;
    padding: 0.3rem 0.4rem;
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.2s;
    user-select: none;
}

.basemap-radio-label:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.basemap-radio-label input[type="radio"] {
    display: none;
}

.basemap-radio-label:has(input[type="radio"]:checked) {
    background: #0284c7;
    color: #ffffff;
    box-shadow: 0 1px 4px rgba(2, 132, 199, 0.4);
}

.layers-list {
    max-height: 400px;
    overflow-y: auto;
    padding: 0.35rem 0;
}

.layer-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.48rem 0.95rem;
    cursor: pointer;
    transition: background 0.15s;
    user-select: none;
}

.layer-item:hover {
    background: rgba(255, 255, 255, 0.07);
}

.layer-info {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.layer-name {
    color: var(--text-primary);
    font-size: 0.79rem;
    font-weight: 500;
}

.layer-checkbox {
    cursor: pointer;
    accent-color: #00bcd4;
    width: 15px;
    height: 15px;
}

/* ------------------------------------------------------------
   Floating Map Custom Controls (Top Right Vertical Stack)
   ------------------------------------------------------------ */
.map-custom-controls {
    position: absolute;
    top: 14px;
    right: 14px;
    display: flex;
    flex-direction: column;
    gap: 7px;
    z-index: 850;
}

.map-ctrl-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--surface-panel);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 700;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.map-ctrl-btn:hover {
    background: var(--surface-card-hover);
    color: #38bdf8;
    border-color: #38bdf8;
    transform: translateY(-1px) scale(1.04);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5), 0 0 10px rgba(56, 189, 248, 0.25);
}

.map-ctrl-btn:active {
    transform: translateY(1px) scale(0.96);
}

/* ------------------------------------------------------------
   Bottom Left Coordinate & Elevation Readout Bar
   ------------------------------------------------------------ */
.map-bottom-readout {
    position: absolute;
    bottom: 14px;
    left: 14px;
    background: rgba(10, 22, 40, 0.94);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(56, 189, 248, 0.35);
    border-radius: 7px;
    padding: 0.4rem 0.9rem;
    font-size: 0.74rem;
    color: #cbd5e1;
    z-index: 800;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    box-shadow: var(--shadow-md);
    pointer-events: none;
    user-select: none;
}

.readout-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.readout-divider {
    opacity: 0.3;
}

.readout-val {
    font-weight: 700;
    color: #38bdf8;
    font-variant-numeric: tabular-nums;
}

.readout-val.elev {
    color: #4ade80;
}

/* Hidden state for elevation or divider elements when elevation is unavailable */
.readout-hidden {
    display: none !important;
}

/* ------------------------------------------------------------
   Leaflet Attribution Bar (Bottom Right)
   ------------------------------------------------------------ */
.leaflet-control-attribution {
    background: rgba(10, 22, 40, 0.88) !important;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    border-radius: 6px !important;
    margin: 0 14px 14px 0 !important;
    padding: 0.25rem 0.65rem !important;
    font-size: 0.68rem !important;
    color: #94a3b8 !important;
    box-shadow: var(--shadow-sm);
    max-width: 550px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.leaflet-control-attribution a {
    color: #38bdf8 !important;
    text-decoration: none;
}

.leaflet-control-attribution a:hover {
    text-decoration: underline;
}

.leaflet-attr-brand {
    font-weight: 700;
    color: #ffffff;
    margin-right: 0.35rem;
}

/* ------------------------------------------------------------
   Top Center Feature Selectors (e.g. Confluence selector)
   ------------------------------------------------------------ */
/* Top Center Feature Selectors (Major River Morphology Confluence Bar) */
.map-top-center-bar {
    position: absolute;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 0.45rem 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 800;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
}

[data-theme="dark"] .map-top-center-bar {
    background: #0f1c30;
    border-color: rgba(56, 189, 248, 0.35);
}

.label-confluence-select {
    font-size: 0.8rem;
    font-weight: 700;
    color: #1e293b;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

[data-theme="dark"] .label-confluence-select {
    color: #38bdf8;
}

.map-top-center-bar .form-select.select-confluence-wide {
    height: 36px;
    min-width: 270px;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    color: #0f172a;
    border-radius: 6px;
    padding: 0 2rem 0 0.75rem;
    font-size: 0.84rem;
    font-weight: 500;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230284c7' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    appearance: none;
    -webkit-appearance: none;
    transition: all 0.2s;
}

[data-theme="dark"] .map-top-center-bar .form-select.select-confluence-wide {
    background-color: #091322;
    border-color: rgba(255, 255, 255, 0.16);
    color: #f8fafc;
}

.map-top-center-bar .form-select.select-confluence-wide:focus {
    border-color: #0284c7;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.2);
    outline: none;
}

.map-top-center-bar .btn-reset {
    height: 36px;
    padding: 0 1rem;
    background: #0284c7;
    border: 1px solid #0284c7;
    color: #ffffff;
    font-size: 0.82rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    transition: all 0.2s;
    box-shadow: 0 2px 6px rgba(2, 132, 199, 0.3);
}

.map-top-center-bar .btn-reset:hover {
    background: #0369a1;
    border-color: #0369a1;
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(2, 132, 199, 0.4);
}

.map-top-center-bar .btn-reset:active {
    transform: translateY(1px);
}

.map-top-center-bar .btn-reset:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.35);
}

.offline-banner-morphology {
    top: 60px;
}

/* ------------------------------------------------------------
   Custom Styled Leaflet Popups
   ------------------------------------------------------------ */
.leaflet-popup-content-wrapper {
    background: var(--popup-bg) !important;
    color: var(--popup-text) !important;
    border: 1px solid var(--popup-border) !important;
    border-radius: 10px !important;
    box-shadow: var(--popup-shadow) !important;
    padding: 0 !important;
    overflow: hidden;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.leaflet-popup-content {
    margin: 0 !important;
    line-height: 1.45 !important;
    font-size: 0.82rem !important;
    max-width: 330px !important;
}

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

.leaflet-popup-close-button {
    color: #94a3b8 !important;
    top: 8px !important;
    right: 8px !important;
    font-size: 1.25rem !important;
    width: 24px !important;
    height: 24px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 4px !important;
    transition: all 0.2s !important;
}

.leaflet-popup-close-button:hover {
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.12) !important;
}

.cwc-popup-card {
    padding: 0.9rem 1.15rem;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.cwc-popup-header {
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 0.45rem;
}

.cwc-popup-title {
    font-size: 0.96rem;
    font-weight: 800;
    color: var(--popup-title);
    line-height: 1.25;
}

.cwc-popup-subtitle {
    font-size: 0.72rem;
    color: var(--popup-subtitle);
    margin-top: 0.2rem;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.cwc-popup-grid {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.cwc-popup-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.3rem 0.55rem;
    border-radius: 5px;
    background: var(--popup-row-bg);
}

.cwc-popup-label {
    color: var(--text-muted);
    font-size: 0.73rem;
    font-weight: 500;
}

.cwc-popup-value {
    color: var(--popup-text);
    font-weight: 600;
    font-size: 0.78rem;
    font-variant-numeric: tabular-nums;
}

/* Action button inside popup (No Inline Styles) */
.popup-action-btn-wrap {
    padding: 0.45rem 1.15rem 0.85rem;
}

.popup-action-btn {
    width: 100%;
    height: 34px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    justify-content: center;
    background: #0284c7;
    color: #ffffff;
    border: 1px solid #0284c7;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 6px rgba(2, 132, 199, 0.35);
}

.popup-action-btn:hover {
    background: #0369a1;
    border-color: #0369a1;
    transform: translateY(-1px);
}

/* ------------------------------------------------------------
   Station Map Markers & Pulse Animation
   ------------------------------------------------------------ */
.station-pin {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid #ffffff;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.75);
    position: relative;
    cursor: pointer;
    transition: transform 0.2s;
}

.station-pin:hover {
    transform: scale(1.3);
    z-index: 9999 !important;
}

.station-pin.normal { background-color: var(--status-normal); }
.station-pin.warning { background-color: var(--status-warning); }
.station-pin.danger { background-color: var(--status-danger); }
.station-pin.hfl {
    background-color: var(--status-hfl);
    animation: hfl-pulse 1.4s infinite;
}

@keyframes hfl-pulse {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.85); }
    70% { box-shadow: 0 0 0 11px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

/* Confluence & Infrastructure Markers */
.poi-marker {
    width: 13px;
    height: 13px;
    transform: rotate(45deg);
    border: 1.5px solid #ffffff;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.8);
    transition: transform 0.2s;
}

.poi-marker:hover {
    transform: rotate(45deg) scale(1.35);
    z-index: 9999 !important;
}

.poi-marker.confluence { background: #38bdf8; }
.poi-marker.barrage { background: #0284c7; }
.poi-marker.weir { background: #8b5cf6; }
.poi-marker.dam { background: #06b6d4; }

/* ------------------------------------------------------------
   Responsive Adjustments
   ------------------------------------------------------------ */
@media (max-width: 900px) {
    .gis-layers-panel {
        width: 240px;
        right: 52px;
    }
    .leaflet-control-attribution {
        max-width: 280px;
    }
}

@media (max-width: 640px) {
    .map-top-center-bar {
        width: calc(100% - 28px);
        left: 14px;
        transform: none;
        flex-direction: column;
        align-items: stretch;
    }
    .select-confluence-wide {
        min-width: 100%;
    }
    .offline-banner-morphology {
        top: 110px;
    }
    .map-bottom-readout {
        max-width: calc(100% - 28px);
        font-size: 0.68rem;
    }
}