:root {
  --bg: #02070d;
  --bg-card: #07111c;
  --border: #0b2944;
  --border-light: #0d385d;
  --blue: #008cff;
  --blue-bright: #23b5ff;
  --text: #f3f7fb;
  --text-secondary: #a9b7c6;
  --text-muted: #708195;
  --danger: #ff6b6b;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
}

/* ---- Login ---- */
.pantalla-login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 16px;
}

.tarjeta-login {
  width: 100%;
  max-width: 340px;
  padding: 28px 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  display: grid;
  gap: 12px;
}

.tarjeta-login h1 { margin: 0; font-size: 22px; }
.tarjeta-login .sub { margin: 0 0 8px; color: var(--text-muted); font-size: 12px; }

input, textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #050e18;
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
}

textarea { resize: vertical; min-height: 70px; }

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
}

.tarjeta-login button {
  background: var(--blue);
  color: #fff;
}

.error { color: var(--danger); font-size: 12px; margin: 0; }

/* ---- App ---- */
#app { min-height: 100vh; }

.topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}

.topbar .muted { color: var(--text-muted); }
.btn-fantasma {
  margin-left: auto;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-fantasma:hover { border-color: var(--border-light); color: var(--text); }

.tabs {
  display: flex;
  gap: 4px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}

.tab {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 7px;
  white-space: nowrap;
}
.tab.activo { background: var(--bg-card); color: var(--blue-bright); border: 1px solid var(--border-light); }

.contenido {
  padding: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.seccion-titulo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.seccion-titulo h2 { margin: 0; font-size: 18px; }

.btn-primario { background: var(--blue); color: #fff; }
.btn-primario:hover { background: var(--blue-bright); }
.btn-secundario { background: var(--bg-card); color: var(--text); border: 1px solid var(--border); }
.btn-secundario:hover { border-color: var(--border-light); }
.btn-peligro { background: transparent; color: var(--danger); border: 1px solid rgba(255,107,107,0.4); }
.btn-peligro:hover { background: rgba(255,107,107,0.08); }
.btn-chico { padding: 5px 10px; font-size: 11px; }

.campo { display: grid; gap: 5px; margin-bottom: 12px; }
.campo label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.campo .ayuda { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

.form-acciones { display: flex; gap: 8px; margin-top: 16px; }

.lista { display: grid; gap: 10px; }

.item-card {
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.item-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.item-card-header h3 { margin: 0; font-size: 14px; }
.item-card-header .badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 5px;
  background: rgba(0, 99, 181, 0.15);
  color: var(--blue-bright);
  border: 1px solid var(--border-light);
}

.item-card p { margin: 6px 0 0; color: var(--text-secondary); font-size: 12px; }
.item-card .acciones { display: flex; gap: 6px; margin-top: 10px; }

.subitems { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--border); display: grid; gap: 8px; }

.form-tarjeta {
  padding: 16px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  background: #050e18;
  margin-bottom: 16px;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }

.checkbox-linea { display: flex; align-items: center; gap: 8px; }
.checkbox-linea input { width: auto; }

.mensaje-vacio { color: var(--text-muted); font-size: 13px; padding: 20px; text-align: center; }
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease;
}
.toast.show { opacity: 1; }
.toast.error { border-color: rgba(255,107,107,0.5); color: var(--danger); }