/* ========================================
   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;

    --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);
}

/* ========================================
   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%, rgba(19, 24, 32, 0.95) 100%);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-default);
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.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-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: rgba(19, 24, 32, 0.95);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-default);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    z-index: 900;
    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);
}

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

.legend-gradient {
    height: 24px;
    border-radius: 6px;
    /* Stepped colors matching QGIS style (kWp ranges) */
    background: linear-gradient(90deg,
        #b3d6ec 0%, #b3d6ec 11%,      /* 0-0.5 azzurro */
        #64abb0 11%, #64abb0 22%,     /* 0.5-1 verde acqua */
        #f4c05f 22%, #f4c05f 33%,     /* 1-2 giallo */
        #f99d59 33%, #f99d59 44%,     /* 2-3 arancione */
        #e85b3b 44%, #e85b3b 55%,     /* 3-6 rosso */
        #e83b8b 55%, #e83b8b 66%,     /* 6-15 rosa */
        #e83be3 66%, #e83be3 77%,     /* 15-30 magenta */
        #bc2bff 77%, #bc2bff 88%,     /* 30-60 viola */
        #531b6d 88%, #531b6d 100%     /* 60+ viola scuro */
    );
    border: 1px solid var(--border-default);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3);
}

.legend-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.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);
}

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

.coordinates {
    position: fixed;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    background: rgba(19, 24, 32, 0.95);
    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;
    }

    .legend-panel {
        width: 280px;
        right: var(--spacing-md);
        top: 84px;
    }

    .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);
    }
}

/* ========================================
   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;
}