/**
 * SITVI - Compare Panel Styles
 *
 * Stili per il modulo confronto temporale (swipe/split view).
 * Design glassmorphic coerente con catasto-panel, toponomastica-panel.
 *
 * @version 1.0.0
 */

/* ============================================
   PANEL CONTAINER
   ============================================ */

.sitvi-compare-panel {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 10px;
    left: 10px;
    width: 300px;
    max-height: calc(100% - 20px);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.06);
    z-index: 90;
    opacity: 0;
    transform: translateX(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease;
    overflow: hidden;
}

.sitvi-compare-panel.open {
    display: flex;
    opacity: 1;
    transform: translateX(0);
}

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

.sitvi-compare-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    border-bottom: 1px solid #e2e8f0;
    cursor: grab;
    user-select: none;
    flex-shrink: 0;
}

.sitvi-compare-header:active {
    cursor: grabbing;
}

.sitvi-compare-title {
    font-weight: 700;
    font-size: 14px;
    color: #1e293b;
}

.sitvi-compare-title i {
    color: #6366f1;
    margin-right: 4px;
}

.sitvi-compare-close {
    background: none;
    border: none;
    font-size: 16px;
    color: #94a3b8;
    cursor: pointer;
    border-radius: 6px;
    padding: 4px 6px;
    line-height: 1;
    transition: background 0.15s, color 0.15s;
}

.sitvi-compare-close:hover {
    background: #f1f5f9;
    color: #475569;
}

.sitvi-compare-close:focus-visible {
    outline: 2px solid #6366f1;
    outline-offset: 2px;
}

/* ============================================
   BODY
   ============================================ */

.sitvi-compare-body {
    padding: 12px 16px;
    overflow-y: auto;
    flex: 1;
}

.sitvi-compare-section {
    margin-bottom: 14px;
}

.sitvi-compare-section-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #94a3b8;
    margin-bottom: 6px;
}

.sitvi-compare-select {
    width: 100%;
    padding: 8px 10px;
    font-size: 13px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: white;
    color: #1e293b;
    outline: none;
    transition: border-color 0.15s;
}

.sitvi-compare-select:focus {
    border-color: #6366f1;
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
}

/* ============================================
   SWIPE SLIDER (overlay sulla mappa)
   ============================================ */

.sitvi-compare-swipe {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    background: #fff;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.3);
    z-index: 80;
    cursor: ew-resize;
    transition: left 0.05s linear;
}

.sitvi-compare-swipe-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 36px;
    height: 36px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #475569;
    font-size: 14px;
    pointer-events: none;
}

/* Labels sinistro/destro */
.sitvi-compare-label {
    position: absolute;
    top: 10px;
    z-index: 81;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    pointer-events: none;
    white-space: nowrap;
}

.sitvi-compare-label-left {
    left: 10px;
}

.sitvi-compare-label-right {
    right: 10px;
}

/* ============================================
   MODE TOGGLE
   ============================================ */

.sitvi-compare-mode-toggle {
    display: flex;
    gap: 4px;
    background: #f1f5f9;
    border-radius: 8px;
    padding: 3px;
    margin-bottom: 12px;
}

.sitvi-compare-mode-btn {
    flex: 1;
    padding: 6px 10px;
    font-size: 12px;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: #64748b;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.sitvi-compare-mode-btn.active {
    background: #fff;
    color: #1e293b;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.sitvi-compare-mode-btn:focus-visible {
    outline: 2px solid #6366f1;
    outline-offset: 2px;
}

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

@media (max-width: 768px) {
    .sitvi-compare-panel {
        width: 260px;
    }
}

@media (max-width: 576px) {
    .sitvi-compare-panel {
        position: fixed !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        top: auto !important;
        width: 100% !important;
        max-width: 100% !important;
        max-height: 50vh;
        border-radius: 16px 16px 0 0;
        box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.12);
    }

    .sitvi-compare-header {
        cursor: default;
    }

    .sitvi-compare-header::before {
        content: '';
        position: absolute;
        top: 6px;
        left: 50%;
        transform: translateX(-50%);
        width: 32px;
        height: 4px;
        background: #cbd5e1;
        border-radius: 2px;
    }

    .sitvi-compare-close {
        min-width: 44px;
        min-height: 44px;
    }

    .sitvi-compare-select {
        min-height: 44px;
        font-size: 14px;
    }
}