/* ============================================================
   Visor 3D Anatómico - Estilos
   Estética: panel clínico / técnico, oscuro, con acento cian.
   ============================================================ */

:root {
  --bg:        #0b0f17;
  --panel:     #121826;
  --panel-2:   #1a2233;
  --borde:     #263248;
  --texto:     #e6edf3;
  --muted:     #8b98ad;
  --acento:    #38bdf8;
  --acento-2:  #f59e0b;
  --peligro:   #f2555a;
  --ok:        #34d399;
  --radio:     10px;
  --sombra:    0 10px 30px rgba(0, 0, 0, 0.35);
  --fuente:    "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono:      ui-monospace, "SFMono-Regular", "Menlo", "Consolas", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--texto);
  font-family: var(--fuente);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--acento); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Layout del visor ---------- */
.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.barra {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: var(--panel);
  border-bottom: 1px solid var(--borde);
  z-index: 20;
}

.marca {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.marca .punto {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--acento);
  box-shadow: 0 0 12px var(--acento);
}

.barra .selector {
  display: flex; align-items: center; gap: 0.5rem;
  color: var(--muted); font-size: 0.85rem;
}

select, input, textarea, button {
  font-family: inherit;
  font-size: 0.9rem;
}

.selector select {
  background: var(--panel-2);
  color: var(--texto);
  border: 1px solid var(--borde);
  border-radius: 8px;
  padding: 0.45rem 0.6rem;
  min-width: 220px;
}

.contenido {
  position: relative;
  flex: 1;
  display: flex;
  min-height: 0;
}

/* ---------- Lienzo 3D ---------- */
.lienzo-wrap {
  position: relative;
  flex: 1;
  min-width: 0;
  background:
    radial-gradient(1200px 600px at 50% 0%, #16203300 0%, var(--bg) 70%),
    var(--bg);
}

#lienzo { display: block; width: 100%; height: 100%; }

/* Overlay de carga */
.cargando {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1rem; color: var(--muted);
  background: rgba(11, 15, 23, 0.75);
  backdrop-filter: blur(2px);
  z-index: 15;
  transition: opacity 0.3s ease;
}
.cargando.oculto { opacity: 0; pointer-events: none; }
.spinner {
  width: 42px; height: 42px; border-radius: 50%;
  border: 3px solid var(--borde);
  border-top-color: var(--acento);
  animation: girar 0.9s linear infinite;
}
@keyframes girar { to { transform: rotate(360deg); } }

/* Indicador de FPS */
.fps {
  position: absolute; top: 12px; left: 12px;
  background: rgba(18, 24, 38, 0.85);
  border: 1px solid var(--borde);
  border-radius: 8px;
  padding: 0.3rem 0.6rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  z-index: 14;
}
.fps b { color: var(--ok); }

/* ---------- Panel lateral de capas ---------- */
.panel {
  width: 320px;
  flex-shrink: 0;
  background: var(--panel);
  border-left: 1px solid var(--borde);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  z-index: 18;
}

.panel h2 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 0;
  padding: 1rem 1.1rem 0.5rem;
}

.capa {
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--borde);
}

.capa-cab {
  display: flex; align-items: center; gap: 0.6rem;
}

.capa-color {
  width: 14px; height: 14px; border-radius: 4px; flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.15);
}

.capa-nombre { font-weight: 500; flex: 1; }
.capa-tipo {
  font-size: 0.68rem; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.06em;
}

/* Interruptor */
.switch { position: relative; width: 40px; height: 22px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .track {
  position: absolute; inset: 0; cursor: pointer;
  background: var(--panel-2); border: 1px solid var(--borde);
  border-radius: 999px; transition: 0.2s;
}
.switch .track::before {
  content: ""; position: absolute; height: 16px; width: 16px;
  left: 2px; top: 2px; background: var(--muted);
  border-radius: 50%; transition: 0.2s;
}
.switch input:checked + .track { background: rgba(56,189,248,0.25); border-color: var(--acento); }
.switch input:checked + .track::before { transform: translateX(18px); background: var(--acento); }

/* Slider de opacidad */
.opacidad {
  margin-top: 0.7rem; display: flex; align-items: center; gap: 0.6rem;
}
.opacidad label { font-size: 0.72rem; color: var(--muted); width: 62px; }
.opacidad input[type="range"] {
  flex: 1; accent-color: var(--acento); background: transparent;
}
.opacidad .val { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); width: 34px; text-align: right; }

/* Acciones del panel */
.panel-acciones {
  padding: 1rem 1.1rem;
  display: flex; flex-direction: column; gap: 0.55rem;
  border-bottom: 1px solid var(--borde);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.55rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--borde);
  background: var(--panel-2);
  color: var(--texto);
  cursor: pointer;
  transition: 0.15s;
}
.btn:hover { border-color: var(--acento); }
.btn-primario { background: var(--acento); color: #06222f; border-color: var(--acento); font-weight: 600; }
.btn-primario:hover { filter: brightness(1.05); }
.btn-sm { padding: 0.35rem 0.6rem; font-size: 0.8rem; }
.btn-peligro { color: var(--peligro); border-color: rgba(242,85,90,0.4); background: transparent; }
.btn-peligro:hover { background: rgba(242,85,90,0.12); }

.toggle-fila {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.85rem; color: var(--muted);
}

/* ---------- Etiquetas 3D (marcadores) ---------- */
.marcador {
  position: absolute;
  transform: translate(-50%, -50%);
  z-index: 12;
  cursor: pointer;
  pointer-events: auto;
}
.marcador .pin {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--acento);
  border: 2px solid #06222f;
  box-shadow: 0 0 0 4px rgba(56,189,248,0.25), 0 0 12px rgba(56,189,248,0.5);
  transition: transform 0.15s;
}
.marcador:hover .pin { transform: scale(1.25); }
.marcador .num {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  font-size: 0.62rem; font-weight: 700; color: #06222f;
  pointer-events: none;
}

/* Tarjeta de información de etiqueta */
.info-tarjeta {
  position: absolute;
  max-width: 280px;
  background: var(--panel);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 0.9rem 1rem;
  box-shadow: var(--sombra);
  z-index: 30;
  transform: translate(-50%, calc(-100% - 18px));
}
.info-tarjeta h3 { margin: 0 0 0.35rem; font-size: 0.95rem; }
.info-tarjeta p { margin: 0; font-size: 0.82rem; color: var(--muted); line-height: 1.5; }
.info-tarjeta .cerrar {
  position: absolute; top: 6px; right: 8px; color: var(--muted);
  background: none; border: none; cursor: pointer; font-size: 1rem;
}
.info-tarjeta::after {
  content: ""; position: absolute; bottom: -8px; left: 50%; transform: translateX(-50%);
  border-left: 8px solid transparent; border-right: 8px solid transparent;
  border-top: 8px solid var(--panel);
}

/* Botón para abrir/cerrar panel en móvil */
.toggle-panel {
  display: none;
}

/* ---------- Responsivo (móvil) ---------- */
@media (max-width: 820px) {
  .panel {
    position: absolute; top: 0; right: 0; bottom: 0;
    width: 82%; max-width: 320px;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    box-shadow: var(--sombra);
  }
  .panel.abierto { transform: translateX(0); }
  .toggle-panel {
    display: inline-flex;
  }
  .selector select { min-width: 140px; }
}

/* ============================================================
   Panel de administración
   ============================================================ */
.admin-body { display: flex; min-height: 100vh; }

.admin-nav {
  width: 240px; flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--borde);
  display: flex; flex-direction: column;
  padding: 1.2rem 0;
}
.admin-nav .marca { padding: 0 1.25rem 1.25rem; }
.admin-nav a {
  color: var(--texto); padding: 0.7rem 1.25rem;
  display: flex; align-items: center; gap: 0.6rem;
  border-left: 3px solid transparent;
}
.admin-nav a:hover { background: var(--panel-2); text-decoration: none; }
.admin-nav a.activo { border-left-color: var(--acento); background: var(--panel-2); color: var(--acento); }
.admin-nav .sep { flex: 1; }
.admin-nav .usuario { padding: 0 1.25rem; color: var(--muted); font-size: 0.8rem; }

.admin-main { flex: 1; padding: 2rem 2.5rem; overflow-y: auto; }
.admin-main h1 { margin: 0 0 0.35rem; font-size: 1.4rem; }
.admin-main .sub { color: var(--muted); margin: 0 0 1.75rem; }

.tarjeta {
  background: var(--panel);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.tarjeta h2 { margin: 0 0 1rem; font-size: 1.05rem; }

.grid-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; }
.stat { background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio); padding: 1.25rem; }
.stat .n { font-size: 2rem; font-weight: 700; color: var(--acento); }
.stat .l { color: var(--muted); font-size: 0.85rem; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.7rem 0.75rem; border-bottom: 1px solid var(--borde); font-size: 0.9rem; }
th { color: var(--muted); font-weight: 500; text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.06em; }
td .badge {
  display: inline-block; padding: 0.15rem 0.5rem; border-radius: 999px;
  font-size: 0.72rem; background: var(--panel-2); border: 1px solid var(--borde); color: var(--muted);
}

.campo { margin-bottom: 1rem; }
.campo label { display: block; margin-bottom: 0.35rem; font-size: 0.85rem; color: var(--muted); }
.campo input[type="text"],
.campo input[type="email"],
.campo input[type="password"],
.campo input[type="number"],
.campo input[type="file"],
.campo select,
.campo textarea {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--borde);
  border-radius: 8px;
  color: var(--texto);
  padding: 0.6rem 0.7rem;
}
.campo textarea { min-height: 90px; resize: vertical; }
.fila { display: flex; gap: 1rem; flex-wrap: wrap; }
.fila .campo { flex: 1; min-width: 160px; }

.alerta {
  padding: 0.75rem 1rem; border-radius: 8px; margin-bottom: 1.25rem; font-size: 0.9rem;
  border: 1px solid var(--borde);
}
.alerta-ok { background: rgba(52,211,153,0.12); border-color: rgba(52,211,153,0.4); color: var(--ok); }
.alerta-error { background: rgba(242,85,90,0.12); border-color: rgba(242,85,90,0.4); color: var(--peligro); }

.acciones-fila { display: flex; gap: 0.5rem; }

/* ---------- Utilidades y componentes admin (capas / etiquetas) ---------- */
.admin-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap;
}
.admin-toolbar h1 { margin: 0.35rem 0 0; font-size: 1.3rem; }

.admin-grid-2 { display: grid; grid-template-columns: 380px 1fr; gap: 1.5rem; align-items: start; }
@media (max-width: 900px) { .admin-grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--panel);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 1.5rem;
}
.card h2 { margin: 0 0 1rem; font-size: 1.05rem; }

/* Formularios (variante en/es) */
.form label { display: block; margin-bottom: 0.9rem; font-size: 0.85rem; color: var(--muted); }
.form label input[type="text"],
.form label input[type="number"],
.form label input[type="color"],
.form label select,
.form label textarea {
  display: block; width: 100%; margin-top: 0.35rem;
  background: var(--panel-2); border: 1px solid var(--borde);
  border-radius: 8px; color: var(--texto); padding: 0.6rem 0.7rem;
}
.form label input[type="color"] { height: 42px; padding: 0.25rem; cursor: pointer; }
.form textarea { min-height: 80px; resize: vertical; }
.form .form-row { display: flex; gap: 0.75rem; }
.form .form-row label { flex: 1; }
.form label.check { display: flex; align-items: center; gap: 0.5rem; color: var(--texto); }
.form label.check input { margin: 0; }
.form-actions { display: flex; gap: 0.5rem; margin-top: 0.5rem; }
.hint { display: block; margin-top: 0.35rem; color: var(--muted); font-size: 0.72rem; line-height: 1.4; }
.empty { color: var(--muted); font-size: 0.9rem; }

/* Botones (alias en inglés usados en capas/etiquetas) */
.btn-primary { background: var(--acento); color: #06222f; border-color: var(--acento); font-weight: 600; }
.btn-primary:hover { filter: brightness(1.05); }
.btn-secondary { background: var(--panel-2); color: var(--texto); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--texto); text-decoration: none; }
.btn-mini { padding: 0.3rem 0.55rem; font-size: 0.78rem; }
.btn-danger { color: var(--peligro); border-color: rgba(242,85,90,0.4); background: transparent; }
.btn-danger:hover { background: rgba(242,85,90,0.12); }

/* Tabla (alias) */
.tabla { width: 100%; border-collapse: collapse; }
.tabla th, .tabla td { text-align: left; padding: 0.6rem 0.6rem; border-bottom: 1px solid var(--borde); font-size: 0.88rem; vertical-align: middle; }
.tabla th { color: var(--muted); font-weight: 500; text-transform: uppercase; font-size: 0.7rem; letter-spacing: 0.06em; }
.tabla .acciones { display: flex; gap: 0.4rem; white-space: nowrap; }

.dot { display: inline-block; width: 14px; height: 14px; border-radius: 4px; border: 1px solid rgba(255,255,255,0.15); }
.mono { font-family: var(--mono); }
.small { font-size: 0.78rem; }
.muted { color: var(--muted); }

/* Insignias por tipo de tejido */
.badge-piel     { background: rgba(224,172,139,0.15); border-color: rgba(224,172,139,0.5); color: #e0ac8b; }
.badge-musculo  { background: rgba(181,83,58,0.18);   border-color: rgba(181,83,58,0.6);   color: #d98266; }
.badge-hueso    { background: rgba(232,226,208,0.12); border-color: rgba(232,226,208,0.4); color: #e8e2d0; }
.badge-vascular { background: rgba(192,57,43,0.18);   border-color: rgba(192,57,43,0.6);   color: #e06356; }
.badge-nervioso { background: rgba(56,189,248,0.15);  border-color: rgba(56,189,248,0.5);  color: var(--acento); }
.badge-organo   { background: rgba(245,158,11,0.15);  border-color: rgba(245,158,11,0.5);  color: var(--acento-2); }
.badge-otro     { background: var(--panel-2); border-color: var(--borde); color: var(--muted); }

/* Login */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1.5rem;
}
.login-card {
  width: 100%; max-width: 380px;
  background: var(--panel); border: 1px solid var(--borde);
  border-radius: 14px; padding: 2rem; box-shadow: var(--sombra);
}
.login-card .marca { justify-content: center; margin-bottom: 1.5rem; font-size: 1.1rem; }