/* css/app.css */
:root {
  --glass-bg:     rgba(255,255,255,0.60);
  --glass-border: rgba(100,160,255,0.35);
  --glass-blur:   blur(14px);
  --text-dark:    #1a3060;
  --text-mid:     #3a5a9a;
  --text-light:   #7a9aca;
  --radius-lg:    20px;
  --radius-md:    12px;
  --radius-sm:    8px;
}

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

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  width: 100vw; height: 100vh;
  overflow: hidden;
  background: #e8f0ff;
}

/* ── VISTAS ── */
.vista {
  position: absolute; inset: 0;
  display: none;
  flex-direction: column;
  background-size: cover;
  background-position: center;
  z-index: 1;
}
.vista.activa { display: flex; }

.vista-bg1 { /* bgpolaria.mp4 interno */ }
.vista-bg2 { background: transparent; } /* str.mp4 global de fondo */

.overlay {
  position: absolute; inset: 0;
  background: rgba(220,235,255,0.18);
  backdrop-filter: blur(1px);
}

/* ── GLASSMORPHISM ── */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
}

/* ── BOTÓN PRINCIPAL ── */
.btn-principal {
  display: block; width: 100%;
  padding: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--text-dark);
  font-size: 12px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}
.btn-principal:hover {
  background: rgba(255,255,255,0.85);
  box-shadow: 0 4px 20px rgba(60,120,255,0.15);
}

/* ── BOTONES OPCIÓN ── */
.btn-opcion {
  display: flex; align-items: center; gap: 10px;
  width: 100%; padding: 10px 14px; margin-bottom: 7px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--text-dark); font-size: 11px; font-weight: 500;
  cursor: pointer; text-align: left;
  transition: background 0.15s, border-color 0.15s;
}
.btn-opcion:hover { background: rgba(255,255,255,0.88); }
.btn-opcion.seleccionado {
  background: rgba(60,120,255,0.18);
  border-color: rgba(60,120,255,0.65);
  color: #1a3a8a; font-weight: 700;
}
.btn-opcion:disabled { cursor: default; }
.btn-opcion-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; flex-shrink: 0;
  background: rgba(60,120,255,0.15);
  border-radius: 50%;
  font-size: 9px; font-weight: 700; color: var(--text-mid);
}

/* ── PROGRESO ── */
.progreso-bar { display: flex; gap: 5px; justify-content: center; margin-top: 8px; }
.progreso-dot {
  width: 24px; height: 3px; border-radius: 2px;
  background: rgba(100,160,255,0.20);
  transition: background 0.3s;
}
.progreso-dot.hecho  { background: #3b82f6; }
.progreso-dot.activo { background: rgba(60,120,255,0.50); }

/* ── MENSAJES CHAT ── */
.msg { max-width: 88%; margin-bottom: 10px; }
.msg-bot {
  align-self: flex-start;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 14px 14px 14px 4px;
  padding: 11px 13px;
  color: var(--text-dark); font-size: 11px; line-height: 1.6;
}
.msg-bot-nombre {
  font-size: 9px; font-weight: 700; color: #3b82f6;
  letter-spacing: 1px; margin-bottom: 5px;
}
.msg-usuario {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(60,120,255,0.75), rgba(80,150,255,0.60));
  border: 1px solid rgba(100,180,255,0.30);
  border-radius: 14px 14px 4px 14px;
  padding: 10px 13px;
  color: #fff; font-size: 11px;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

/* ── CÁMARA ── */
#video-preview {
  width: 100%; height: 100%;
  object-fit: cover; border-radius: var(--radius-sm);
  display: block;
}
.camara-box {
  position: relative;
  width: 220px; height: 220px;
  border: 2px solid rgba(80,140,255,0.65);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 0 28px rgba(80,140,255,0.22);
}
.camara-esquina {
  position: absolute;
  width: 18px; height: 18px;
  border-color: #60a5fa; border-style: solid;
  z-index: 2; pointer-events: none;
}
.ce-tl { top:-1px; left:-1px;   border-width: 3px 0 0 3px; border-radius: 4px 0 0 0; }
.ce-tr { top:-1px; right:-1px;  border-width: 3px 3px 0 0; border-radius: 0 4px 0 0; }
.ce-bl { bottom:-1px; left:-1px;  border-width: 0 0 3px 3px; border-radius: 0 0 0 4px; }
.ce-br { bottom:-1px; right:-1px; border-width: 0 3px 3px 0; border-radius: 0 0 4px 0; }

/* ── CARD PRODUCTO ── */
.producto-card {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; margin-bottom: 8px;
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(100,160,255,0.22);
  border-radius: var(--radius-sm);
}
.producto-thumb {
  width: 38px; height: 38px; flex-shrink: 0;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
}
.producto-nombre { font-size: 11px; font-weight: 700; color: var(--text-dark); }
.producto-desc   { font-size: 9px; color: #888; margin-top: 2px; line-height: 1.4; }
.producto-uso    { font-size: 9px; color: var(--text-mid); font-weight: 600; margin-top: 3px; }

/* ── DIAGNÓSTICO ── */
.diagnostico-item {
  padding: 8px 12px; margin-bottom: 7px;
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(100,160,255,0.20);
  border-radius: var(--radius-sm);
}
.diagnostico-label { font-size: 9px; color: #888; letter-spacing: 1px; text-transform: uppercase; }
.diagnostico-valor { font-size: 12px; font-weight: 600; color: var(--text-dark); margin-top: 2px; }

.pill-producto {
  display: inline-block;
  padding: 5px 10px; margin: 3px 3px 3px 0;
  background: rgba(60,120,255,0.12);
  border: 1px solid rgba(60,120,255,0.30);
  border-radius: 20px;
  font-size: 10px; font-weight: 600; color: #1a3a7a;
}

/* ── ANTES/DESPUÉS ── */
.ref-grid { display: flex; gap: 8px; margin-bottom: 12px; }
.ref-box {
  flex: 1; height: 88px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  overflow: hidden;
}
.ref-box img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-sm); }
.ref-label { font-size: 8px; color: var(--text-mid); letter-spacing: 1px; text-transform: uppercase; }

/* ── BADGE IA ── */
.badge-ia {
  position: absolute; top: 8px; right: 8px;
  background: rgba(60,100,220,0.85); color: #fff;
  font-size: 9px; padding: 3px 9px; border-radius: 10px; letter-spacing: 1px;
}

/* ── ETIQUETA SECCIÓN ── */
.seccion-tag {
  font-size: 9px; color: var(--text-mid); letter-spacing: 2px;
  text-transform: uppercase; margin: 10px 0 6px;
}

/* ── SPINNER ── */
.spinner {
  width: 32px; height: 32px;
  border: 3px solid rgba(100,160,255,0.25);
  border-top-color: #3b82f6;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 20px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(100,160,255,0.30); border-radius: 2px; }