/**
 * ============================================================
 * KLINAFY — ESTILOS: MÓDULO DE SUPERPOSICIÓN CEFALOMÉTRICA
 * ============================================================
 */

/* ── Modal base ─────────────────────────────────────────── */
.superpos-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    backdrop-filter: blur(8px);
    z-index: 10200;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.superpos-modal.superpos-visible {
    opacity: 1;
}

.superpos-modal-content {
    background: #111827;
    width: 98%;
    max-width: 1600px;
    height: 95vh;
    border-radius: 14px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ── Header ─────────────────────────────────────────────── */
.superpos-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 18px;
    background: #0d1520;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}
.superpos-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}
.superpos-titulo {
    font-size: 15px;
    font-weight: 700;
    color: #e2e8f0;
    letter-spacing: 0.3px;
}
.superpos-badge {
    font-size: 10px;
    font-weight: 700;
    color: #4A90D9;
    background: rgba(74,144,217,0.15);
    border: 1px solid rgba(74,144,217,0.35);
    border-radius: 20px;
    padding: 1px 8px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
.superpos-btn-cerrar {
    background: rgba(255,255,255,0.06);
    border: none;
    border-radius: 8px;
    color: #a0aec0;
    cursor: pointer;
    padding: 6px;
    display: flex;
    align-items: center;
    transition: background 0.2s, color 0.2s;
}
.superpos-btn-cerrar:hover { background: rgba(245,101,101,0.2); color: #f56565; }

/* ── Body ───────────────────────────────────────────────── */
.superpos-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ── Canvas ─────────────────────────────────────────────── */
.superpos-canvas-area {
    flex: 1;
    position: relative;
    background: #0a0a14;
    overflow: hidden;
}
#superpos-canvas {
    display: block;
    width: 100%;
    height: 100%;
    cursor: grab;
}
#superpos-canvas:active { cursor: grabbing; }

.superpos-canvas-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}
.superpos-overlay-content {
    text-align: center;
    color: #4a5568;
}
.superpos-overlay-content p {
    margin-top: 14px;
    font-size: 14px;
    line-height: 1.6;
    color: #4a5568;
}

/* ── Panel derecho ──────────────────────────────────────── */
.superpos-panel {
    width: 280px;
    flex-shrink: 0;
    background: #0f1724;
    border-left: 1px solid rgba(255,255,255,0.07);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0;
    scrollbar-width: thin;
    scrollbar-color: #2d3748 transparent;
}

/* ── Secciones del panel ────────────────────────────────── */
.superpos-seccion {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.superpos-seccion-titulo {
    font-size: 10px;
    font-weight: 700;
    color: #718096;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin: 0 0 10px 0;
}

/* ── Drop zones ─────────────────────────────────────────── */
.superpos-drop-zone {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1.5px dashed rgba(255,255,255,0.12);
    border-radius: 10px;
    cursor: pointer;
    margin-bottom: 8px;
    background: rgba(255,255,255,0.02);
    transition: border-color 0.2s, background 0.2s;
}
.superpos-drop-zone:hover {
    border-color: rgba(74,144,217,0.5);
    background: rgba(74,144,217,0.05);
}
.superpos-drop-zone.superpos-drop-ok {
    border-style: solid;
    border-color: rgba(72,187,120,0.5);
    background: rgba(72,187,120,0.05);
}
.superpos-drop-icon {
    font-size: 18px;
    flex-shrink: 0;
}
.superpos-drop-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.superpos-drop-label {
    font-size: 11px;
    font-weight: 700;
    color: #a0aec0;
}
.superpos-sesion-label {
    font-size: 10px;
    color: #4a5568;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.superpos-sesion-label.superpos-sesion-cargada {
    color: #48bb78;
}
.superpos-drop-color input[type="color"] {
    width: 22px;
    height: 22px;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: 4px;
    padding: 0;
}

/* ── Planos de registro ─────────────────────────────────── */
.superpos-planos {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.superpos-radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 12px;
    color: #a0aec0;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.superpos-radio-label:hover { background: rgba(255,255,255,0.05); }
.superpos-radio-label.superpos-radio-activo {
    background: rgba(74,144,217,0.12);
    color: #4A90D9;
    font-weight: 600;
}
.superpos-radio-label input[type="radio"] {
    accent-color: #4A90D9;
    cursor: pointer;
}
.superpos-registro-info {
    margin-top: 8px;
    font-size: 11px;
    color: #718096;
    min-height: 16px;
}

/* ── Visualización ──────────────────────────────────────── */
.superpos-viz-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 12px;
    color: #a0aec0;
}
.superpos-viz-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}
.superpos-separator {
    height: 1px;
    background: rgba(255,255,255,0.06);
    margin: 8px 0;
}
.superpos-slider-opac {
    width: 64px;
    accent-color: #4A90D9;
    cursor: pointer;
}

/* Toggle switch (clonado del módulo de cefalometría) */
.superpos-toggle-sw {
    position: relative;
    display: inline-flex;
    width: 32px;
    height: 18px;
    flex-shrink: 0;
}
.superpos-toggle-sw input { display: none; }
.superpos-toggle-sl {
    position: absolute;
    inset: 0;
    background: #2d3748;
    border-radius: 18px;
    cursor: pointer;
    transition: background 0.2s;
}
.superpos-toggle-sl::before {
    content: '';
    position: absolute;
    width: 12px; height: 12px;
    left: 3px; top: 3px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s;
}
.superpos-toggle-sw input:checked + .superpos-toggle-sl { background: #4A90D9; }
.superpos-toggle-sw input:checked + .superpos-toggle-sl::before { transform: translateX(14px); }

/* ── Slider Antes/Después ───────────────────────────────── */
.superpos-slider-ad-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}
.superpos-slider-ad {
    flex: 1;
    accent-color: #4A90D9;
    cursor: pointer;
}

/* ── Exportar ───────────────────────────────────────────── */
.superpos-seccion-export {
    margin-top: auto;
}
.superpos-btn-export {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px;
    background: linear-gradient(135deg, #2B6CB0, #4C51BF);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.15s;
}
.superpos-btn-export:hover { opacity: 0.9; transform: translateY(-1px); }
.superpos-btn-export:active { transform: translateY(0); }