/* ========================================
   CATASTOSOLARE.EU - SOLAR CADASTRAL MAP
   Technical/Industrial Aesthetic
   ======================================== */

:root {
    /* Color Palette - Dark Technical */
    --bg-primary: #0a0e14;
    --bg-secondary: #131820;
    --bg-elevated: #1a1f29;
    --bg-input: #0f141b;
    /* Translucent background for floating panels (legend, header, coordinates).
       A CSS var so the light theme can flip it white — otherwise panels stay
       dark in light mode and their (now-dark) text is unreadable. */
    --bg-panel: rgba(19, 24, 32, 0.95);

    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;

    --accent-primary: #ff6b35;
    --accent-secondary: #f7931e;
    --accent-tertiary: #ffd23f;

    --border-subtle: #21262d;
    --border-default: #30363d;
    --border-emphasis: #484f58;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);

    /* Typography */
    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Sky background of the popup horizon dial — blue-tinted dusk sky. */
    --horizon-sky: #13335c;

    /* Horizon animation palette (read by horizon-anim.js via getComputedStyle) */
    --ha-profile: var(--accent-primary);   /* apparent-horizon line + sun path (orange) */
    --ha-ink: var(--text-primary);          /* labels */
    --ha-muted: var(--text-secondary);      /* legend / dim labels */
    --ha-sil: #2b313c;                      /* obstruction silhouette fill (dark theme) */
    --ha-zero: #5fd0c4;                     /* true 0° horizon (teal, dashed) */
    --ha-grid: var(--border-emphasis);      /* elevation rings / axis cross */
}

/* Light theme overrides — applied via [data-theme="light"] on <html>. */
:root[data-theme="light"] {
    --bg-primary: #f7f4ee;
    --bg-secondary: #ffffff;
    --bg-elevated: #ffffff;
    --bg-input: #ffffff;
    --bg-panel: rgba(255, 255, 255, 0.95);

    --text-primary: #1a1f29;
    --text-secondary: #4a5260;
    --text-muted: #6e7681;

    --border-subtle: #e3dfd6;
    --border-default: #cfc9bd;
    --border-emphasis: #b3ac9d;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);

    --horizon-sky: #cfe8ff;
    --ha-sil: #b9a986;   /* earthy silhouette on the light basemap */
}

/* Theme toggle button in the header. */
.theme-toggle {
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    color: var(--text-primary);
    border-radius: 8px;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-left: auto;
    margin-right: var(--spacing-md);
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.theme-toggle:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
}

/* Show sun in dark mode (click → go light), moon in light mode (click → go dark). */
.theme-toggle .icon-sun { display: block; }
.theme-toggle .icon-moon { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: block; }

/* ========================================
   RESET & BASE
   ======================================== */

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

body {
    font-family: var(--font-display);
    font-weight: 300;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

/* ========================================
   HEADER
   ======================================== */

.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-panel) 100%);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-default);
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

/* Demo-version badge — fixed pill centred just under the header, shown only
   for tenants whose runtime-config sets `demoBanner: true`. Non-interactive so
   it never steals map clicks. */
.demo-banner {
    position: fixed;
    top: 84px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1001;
    pointer-events: none;
    padding: 0.3rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--accent-primary);
    background: var(--accent-primary);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
}

.demo-banner[hidden] {
    display: none;
}

.header-content {
    height: 100%;
    padding: 0 var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 100vw;
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.brand-icon {
    width: 32px;
    height: 32px;
    color: var(--accent-primary);
    stroke-width: 2;
    animation: rotate-sun 30s linear infinite;
}

.brand-logo {
    height: 48px;
    width: auto;
}

@keyframes rotate-sun {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.brand-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-subtitle {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: -2px;
}

.header-stats {
    display: flex;
    gap: var(--spacing-xl);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--accent-secondary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 2px;
}

/* ========================================
   SEARCH BAR
   ======================================== */

.search-bar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-default);
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.search-icon {
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    flex-shrink: 0;
    margin-right: var(--spacing-sm);
}

.search-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-right: 32px;
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--text-primary);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.search-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.2);
}

.search-clear {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    color: var(--text-muted);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.search-clear:hover {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.search-clear svg {
    width: 14px;
    height: 14px;
}

.search-results {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    max-height: 240px;
    overflow-y: auto;
    display: none;
    z-index: 960;
}

.search-results.visible {
    display: block;
}

.search-result-item {
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: background var(--transition-fast);
    border-bottom: 1px solid var(--border-subtle);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover,
.search-result-item.active {
    background: rgba(255, 107, 53, 0.1);
}

.search-result-item .result-name {
    font-size: 0.875rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-item .result-type {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 1px;
}

.search-no-results {
    padding: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
}

.municipality-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.municipality-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    white-space: nowrap;
}

.municipality-select {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-sm) var(--spacing-sm);
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    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='%238b949e' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.municipality-select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.2);
}

.municipality-select option {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

/* ========================================
   MAP
   ======================================== */

#map {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
}

/* Custom MapLibre Popup Styling */
.maplibregl-popup {
    z-index: 955; /* above the Deck.gl canvas and the legend panel (950) */
}

.maplibregl-popup-content {
    background: var(--bg-elevated);
    border: 1px solid var(--border-emphasis);
    border-radius: 8px;
    padding: 0;
    box-shadow: var(--shadow-lg);
    min-width: 280px;
    font-family: var(--font-display);
    color: var(--text-primary);
}

.maplibregl-popup-close-button {
    color: var(--text-secondary);
    font-size: 20px;
    padding: 8px;
    right: 4px;
    top: 4px;
    transition: color var(--transition-fast);
}

.maplibregl-popup-close-button:hover {
    color: var(--accent-primary);
    background: transparent;
}

.maplibregl-popup-tip {
    border-top-color: var(--bg-elevated);
}

.popup-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-default);
    background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-secondary) 100%);
    border-radius: 8px 8px 0 0;
}

.popup-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-secondary);
    font-family: var(--font-mono);
}

.popup-body {
    padding: var(--spacing-md) var(--spacing-lg);
}

.popup-table {
    width: 100%;
    border-collapse: collapse;
}

.popup-table tr {
    border-bottom: 1px solid var(--border-subtle);
}

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

.popup-table td {
    padding: var(--spacing-sm) 0;
    font-size: 0.875rem;
}

.popup-table td:first-child {
    color: var(--text-secondary);
    font-weight: 400;
    padding-right: var(--spacing-md);
}

.popup-table td:last-child {
    color: var(--text-primary);
    font-weight: 500;
    text-align: right;
    font-family: var(--font-mono);
}

.popup-highlight {
    color: var(--accent-secondary) !important;
    font-weight: 600 !important;
}

/* ========================================
   LEGEND PANEL
   ======================================== */

.legend-panel {
    position: fixed;
    top: 80px;
    right: var(--spacing-lg);
    width: 320px;
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-default);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    z-index: 950;
    transition: transform var(--transition-base);
}

.legend-panel.collapsed .legend-content,
.legend-panel.collapsed .search-bar {
    display: none;
}

.legend-panel.collapsed .toggle-btn svg {
    transform: rotate(180deg);
}

.legend-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-default);
}

.legend-header h3 {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.toggle-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.toggle-btn:hover {
    background: var(--bg-input);
}

.toggle-btn svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.legend-content {
    padding: var(--spacing-lg);
}

/* Per-layer gradient legends, rendered from LAYERS_CONFIG[].legend by
   buildLayerControls(). Colours and units come from config, so they always
   match what the map paints (irradiation kWh/m²/yr, tree height, etc.). */
.layer-legends:empty {
    display: none;
}

.legend-gradient-block {
    margin-bottom: var(--spacing-lg);
}

.legend-grad-title {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.legend-gradient-bar {
    height: 24px;
    border-radius: 6px;
    border: 1px solid var(--border-default);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3);
}

.legend-gradient-labels {
    position: relative;
    height: 1.1rem;
    margin-top: var(--spacing-sm);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.legend-grad-label {
    position: absolute;
    top: 0;
    white-space: nowrap;
}

.legend-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-subtle);
}

.legend-section:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.legend-section h4 {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.layer-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.layer-toggle:hover {
    color: var(--accent-primary);
}

.layer-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-emphasis);
    border-radius: 4px;
    background: var(--bg-input);
    cursor: pointer;
    appearance: none;
    position: relative;
    transition: all var(--transition-fast);
}

.layer-toggle input[type="checkbox"]:checked {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.layer-toggle input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.layer-toggle span {
    font-size: 0.875rem;
}

.legend-info {
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

/* ========================================
   LOADING INDICATOR
   ======================================== */

.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    background: var(--bg-elevated);
    padding: var(--spacing-xl);
    border-radius: 12px;
    border: 1px solid var(--border-default);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    opacity: 1;
    transition: opacity var(--transition-base);
}

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

.spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-emphasis);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-indicator p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

/* Shown in place of the spinner when initMap() fails (basemap/style/Map
   construction). Keeps the user out of an eternal-spinner dead end. */
.map-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    max-width: 280px;
    text-align: center;
}

.map-error-text {
    font-size: 0.875rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.map-error-retry {
    background: var(--accent-primary);
    color: #fff;
    border-radius: 6px;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    transition: background var(--transition-fast);
}

.map-error-retry:hover {
    background: var(--accent-secondary);
}

/* Top-of-viewport progress bar for in-flight 3D tile fetches.
   Indeterminate animation while at least one /geo3d/ request is pending;
   fades out 400ms after the last one resolves. */
.tile-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 1500;
    pointer-events: none;
    background: transparent;
    overflow: hidden;
    opacity: 1;
    transition: opacity 400ms ease;
}

.tile-progress.idle {
    opacity: 0;
}

.tile-progress .bar {
    position: absolute;
    top: 0;
    height: 100%;
    width: 30%;
    background: linear-gradient(
        90deg,
        transparent,
        var(--accent-primary, #ff8a3d) 30%,
        var(--accent-primary, #ff8a3d) 70%,
        transparent
    );
    animation: tile-progress-slide 1.1s linear infinite;
}

.tile-progress.idle .bar {
    animation-play-state: paused;
}

@keyframes tile-progress-slide {
    0%   { left: -30%; }
    100% { left: 100%; }
}

/* Inline placeholder for the lazily-loaded horizon dial */
.horizon-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 160px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    opacity: 0.7;
}

/* Inline placeholder for popup fields awaiting the lazy /feature/<fid>
   fetch. Shown until the full property bag arrives. */
.popup-loading {
    display: inline-block;
    min-width: 1.5em;
    color: var(--text-secondary);
    opacity: 0.6;
    font-family: var(--font-mono);
}

/* ========================================
   COORDINATES
   ======================================== */

.coordinates {
    position: fixed;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 6px;
    border: 1px solid var(--border-default);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    z-index: 900;
    box-shadow: var(--shadow-md);
}

.coordinates span {
    color: var(--text-primary);
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .header-content {
        padding: 0 var(--spacing-md);
    }

    .header-stats {
        display: none;
    }

    .brand-text h1 {
        font-size: 1.25rem;
    }

    .brand-subtitle {
        font-size: 0.65rem;
    }

    /* Tighten the flag row so the header doesn't overflow on tablets/phones. */
    .lang-switch {
        gap: 3px;
        margin-right: var(--spacing-sm, 0.5rem);
    }
    .lang-flag {
        width: 24px;
        height: 18px;
    }

    .legend-panel {
        width: 280px;
        right: var(--spacing-md);
        top: 68px;
    }

    /* The legend/search panels take over the top of the viewport on small
       screens, so dock the demo badge at the bottom instead. */
    .demo-banner {
        top: auto;
        bottom: var(--spacing-md);
        font-size: 0.7rem;
        padding: 0.25rem 0.75rem;
    }

    .coordinates {
        font-size: 0.7rem;
        bottom: var(--spacing-md);
        left: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .app-header {
        height: 60px;
    }

    #map {
        top: 60px;
    }

    .brand-icon {
        width: 24px;
        height: 24px;
    }

    .brand-text h1 {
        font-size: 1.1rem;
    }

    .legend-panel {
        width: calc(100vw - 2rem);
        right: var(--spacing-md);
        left: var(--spacing-md);
        top: 64px;
    }

    /* Clear the coordinates readout, which sits bottom-left. */
    .demo-banner {
        bottom: 2.5rem;
    }
}

/* Phone popup: dock near bottom, centered, full-width with safe margins.
   The popup carries `popup-docked popup-docked--phone`; the --phone variant
   opts out of the top-right docked card below and keeps this bottom dock. */
@media (max-width: 600px) {
    .maplibregl-popup.popup-docked--phone {
        left: 50% !important;
        right: auto !important;
        top: auto !important;
        bottom: var(--spacing-md) !important;
        transform: translateX(-50%) !important;
        max-width: calc(100vw - 2rem) !important;
        width: calc(100vw - 2rem) !important;
    }
    .maplibregl-popup.popup-docked--phone .maplibregl-popup-tip {
        display: none;
    }
    .maplibregl-popup.popup-docked--phone .maplibregl-popup-content {
        max-width: 100%;
        max-height: 60vh;
        overflow-y: auto;
    }
}

/* Docked popup card (not phones): pin into the legend's top-right slot, hide
   the legend beneath it, cap its height with an internal scroll, and keep the
   close button always reachable. A leader line (drawn in JS) connects the card
   back to the roof. Applied unconditionally — JS decides *when* to add the
   `popup-docked` class (small/short viewport, or the anchored popup would spill
   off-screen), so this must not be gated behind a media query. */
.maplibregl-popup.popup-docked:not(.popup-docked--phone) {
    position: fixed !important;
    top: 80px !important;
    right: var(--spacing-lg) !important;
    left: auto !important;
    bottom: auto !important;
    transform: none !important;
    width: 320px !important;
    max-width: calc(100vw - 2rem) !important;
    z-index: 975; /* above legend (950), search results (960) & anchored popups (955), below header (1000) */
}
.maplibregl-popup.popup-docked:not(.popup-docked--phone) .maplibregl-popup-tip {
    display: none; /* the leader line replaces the tip */
}
.maplibregl-popup.popup-docked:not(.popup-docked--phone) .maplibregl-popup-content {
    max-height: min(70vh, calc(100vh - 96px));
    overflow-y: auto;
}
/* Pin the close button so it never scrolls out of the capped card; give it
   a background so it stays legible when it floats over scrolled content. */
.maplibregl-popup.popup-docked:not(.popup-docked--phone) .maplibregl-popup-close-button {
    position: sticky;
    top: 0;
    float: right;
    z-index: 1;
    background: var(--bg-elevated);
    border-radius: 0 8px 0 8px;
}
/* While a docked card is open it supersedes the legend; visibility (not
   display / the collapsed class) so the legend's collapse state survives. */
body.popup-docked-open #legend-panel {
    visibility: hidden;
}

/* Leader line overlay: full map-container overlay, click-through, sitting above
   the Deck canvas but below the docked card. Created & toggled from JS. */
.leader-overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 960;
}
.leader-overlay line {
    stroke: var(--accent-secondary);
    stroke-width: 2;
    stroke-dasharray: 4 3;
    filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.5));
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.legend-panel,
.coordinates {
    animation: fadeIn 0.4s ease-out;
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* --- Lignano deployment: comune brand (right side of header) --- */
.app-header .header-content { display: flex; align-items: center; justify-content: space-between; }
.app-header .header-stats:empty { display: none; }
.municipality-brand { display: flex; align-items: center; gap: 0.75rem; margin-left: auto; }
.municipality-brand .municipality-logo { height: 48px; width: auto; }
.municipality-brand .municipality-text { display: flex; flex-direction: column; line-height: 1.1; text-align: right; }
.municipality-brand .municipality-kicker { font-size: 0.75rem; opacity: 0.75; }
.municipality-brand strong { font-weight: 700; font-size: 1rem; }

/* --- Horizon dial inside feature popup --- */
.horizon-wrap { margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid rgba(255,255,255,0.08); display: flex; flex-direction: column; align-items: center; }
.horizon-title { font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: #94a3b8; margin-bottom: 0.4rem; }
.horizon-dial { display: block; }
.horizon-sky  { fill: var(--horizon-sky); }
.horizon-grid { fill: none; stroke: #334155; stroke-width: 0.5; stroke-dasharray: 2 2; }
.horizon-fill { fill: #f59e0b; fill-opacity: 0.55; stroke: #d97706; stroke-width: 1; }
.horizon-tick { fill: #94a3b8; font-size: 10px; font-family: 'JetBrains Mono', monospace; }

/* Deck.gl's MapboxOverlay is added via map.addControl(overlay) with no
   position arg → MapLibre injects its wrapper into .maplibregl-ctrl-top-right.
   The deck canvas inside that wrapper is sized to span the whole map, so it
   paints over the other corners (zoom + compass in top-left, scale in
   bottom-left). All four corners default to z-index:2, and top-right wins
   over its siblings by DOM order. Bump the corners that hold real controls
   above top-right so their buttons render on top of the deck canvas. */
.maplibregl-ctrl-top-left,
.maplibregl-ctrl-bottom-left,
.maplibregl-ctrl-bottom-right {
    z-index: 3;
}

/* Compass: paint the north (top) triangle red so the cardinal direction is
   readable once the map is rotated. Default MapLibre SVG renders north at
   #333 and south at #ccc — both read as gray against this UI's button bg. */
.maplibregl-ctrl button.maplibregl-ctrl-compass .maplibregl-ctrl-icon {
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='29' height='29' viewBox='0 0 29 29'%3E%3Cpath fill='%23e84545' d='m10.5 14 4-8 4 8h-8z'/%3E%3Cpath fill='%23888' d='m10.5 16 4 8 4-8h-8z'/%3E%3C/svg%3E");
}

/* Info/guide button: mirrors .theme-toggle, sits beside it (no auto margin). */
.info-toggle {
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    color: var(--text-primary);
    border-radius: 8px;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-right: var(--spacing-md);
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.info-toggle:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.info-toggle svg {
    width: 18px;
    height: 18px;
}

/* ---- Language switcher (inline flag row) ---- */
.lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-right: var(--spacing-md);
}

.lang-flag {
    padding: 0;
    width: 30px;
    height: 22px;
    border: 1px solid var(--border-default);
    border-radius: 4px;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0.55;
    transition: opacity var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.lang-flag img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
}

.lang-flag:hover {
    opacity: 0.9;
    border-color: var(--accent-primary);
}

.lang-flag.active {
    opacity: 1;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 1px var(--accent-primary);
}

/* ---- Guida & Informazioni modal ---- */
.info-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(4px);
}

.info-modal-overlay[hidden] {
    display: none;
}

.info-modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    width: min(640px, 100%);
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.info-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-default);
    background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-secondary) 100%);
}

.info-modal-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-secondary);
}

.info-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.info-close:hover {
    color: var(--accent-primary);
    background: var(--bg-elevated);
}

.info-close svg {
    width: 20px;
    height: 20px;
}

.info-modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-primary);
}

.info-modal-body p {
    margin: 0 0 var(--spacing-md);
}

.info-modal-body h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-secondary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.info-modal-body ul {
    margin: 0;
    padding-left: 1.2em;
}

.info-modal-body li {
    margin-bottom: var(--spacing-sm);
}

.info-modal-body strong {
    color: var(--accent-secondary);
}

.info-modal-body .info-note {
    margin-top: var(--spacing-md);
    margin-bottom: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-elevated);
    border-left: 3px solid var(--accent-primary);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 0.82rem;
}

/* Orizzonte apparente animation embedded in the info modal */
.horizon-anim {
    margin: var(--spacing-md) 0;
}

.horizon-anim canvas {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    height: auto;
    border: 1px solid var(--border-default);
    border-radius: 8px;
    background: var(--bg-input);
}

.horizon-anim-controls {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.horizon-anim-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    cursor: pointer;
    color: var(--text-secondary);
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.horizon-anim-btn:hover {
    color: var(--accent-primary);
    border-color: var(--border-emphasis);
}

.horizon-anim-btn svg {
    width: 18px;
    height: 18px;
}

.info-contact {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-default);
}

.info-contact-email {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}

.info-contact-email:hover {
    text-decoration: underline;
}

.info-contact-email svg {
    flex-shrink: 0;
}

.info-contact .info-credit {
    margin-top: var(--spacing-sm);
    margin-bottom: 0;
    color: var(--text-secondary);
    font-size: 0.82rem;
}

.info-contact .info-credit a {
    color: var(--accent-primary);
    text-decoration: none;
}

.info-contact .info-credit a:hover {
    text-decoration: underline;
}

/* Roof "solar" popup: grouped multi-column layout (Area/tilt/azimuth, the
   irradiation triplet with a merged header, and the four on-the-fly solar
   estimates). Overrides the generic 2-column table rules above. */
.popup-solar {
    table-layout: fixed;
}

.popup-solar tr {
    border-bottom: none;
}

.popup-solar th,
.popup-solar td {
    padding: 2px 4px;
    text-align: center;
    font-size: 0.8rem;
}

/* Neutralize the generic first/last-child label/value styling so every grid
   column is treated equally. */
.popup-solar td:first-child,
.popup-solar td:last-child {
    color: inherit;
    text-align: center;
    font-weight: 500;
    padding-right: 4px;
}

/* Group headers and sub-headers read as muted labels. */
.popup-solar .psr-head th,
.popup-solar .psr-subhead th,
.popup-solar .psr-inline-label {
    color: var(--text-secondary);
    font-weight: 400;
    line-height: 1.2;
}

.popup-solar .psr-subhead th {
    font-size: 0.7rem;
    opacity: 0.8;
    padding-top: 0;
}

.popup-solar .psr-inline-label {
    text-align: left;
}

/* Value cells: monospace numbers; the accent colour comes from .popup-highlight. */
.popup-solar .psr-val td {
    font-family: var(--font-mono);
    padding-bottom: 4px;
}

/* Thin separator line between groups. */
.popup-solar .psr-gap td {
    padding: 0;
    height: 5px;
    border-bottom: 1px solid var(--border-subtle);
}

/* ========================================
   TOAST (non-blocking notification)
   ======================================== */

.app-toast {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    max-width: calc(100vw - 2rem);
    background: var(--bg-elevated);
    border: 1px solid var(--border-emphasis);
    border-left: 3px solid var(--accent-primary);
    border-radius: 8px;
    padding: var(--spacing-sm) var(--spacing-md);
    box-shadow: var(--shadow-lg);
    z-index: 2100;
    animation: fadeIn 0.3s ease-out;
}

.app-toast-msg {
    font-size: 0.85rem;
    color: var(--text-primary);
}

.app-toast-close {
    flex-shrink: 0;
    font-size: 1.1rem;
    line-height: 1;
    color: var(--text-secondary);
    padding: 0 var(--spacing-xs);
    transition: color var(--transition-fast);
}

.app-toast-close:hover {
    color: var(--accent-primary);
}
