/*
 * Cargonaut WhatsApp — portal de configuración
 * Tokens de marca (no negociables, ver plan §Restricciones Globales):
 * navy #0B1F3F · mint #10C0A0 · coral SOLO para avisos · Inter · fondos
 * claros siempre · sin emoji.
 *
 * Nota de diseño (corregida tras revisión del team lead - ver el reporte de
 * la Tarea 2): "fondos claros siempre" es una regla sobre superficies de
 * página y contenido, no sobre el chrome. El prototipo canónico
 * (Mock-Tracking-Template) es la referencia correcta: topbar en navy-900
 * sólido, todo lo demás claro. Si esta pantalla suma un sidebar más
 * adelante, va en navy-700, igual que el prototipo.
 */

:root {
  --navy-900: #0B1F3F;
  --navy-700: #16305A;
  --mint-500: #10C0A0;
  --mint-600: #0DA88F;
  --mint-050: #E6FAF5;
  --coral-500: #E4604D;   /* reservado: avisos / errores / expiracion. Nunca decorativo. */
  --coral-050: #FDEEEC;

  --bg-page:    #FFFFFF;
  --bg-subtle:  #F7F9FC;
  --bg-raised:  #FFFFFF;
  --border:     #E1E6EE;
  --border-strong: #C7D0DE;

  --text-primary: var(--navy-900);
  --text-muted:   #5B6B85;
  --text-on-mint: #FFFFFF;

  /* Chrome only (topbar today, a future sidebar in navy-700) sits on a dark
     fill, so it needs its own light-on-dark text pair - everything else in
     the portal uses --text-primary/--text-muted above. */
  --text-on-navy:       #FFFFFF;
  --text-on-navy-muted: rgba(255, 255, 255, 0.62);
  --border-on-navy:     rgba(255, 255, 255, 0.12);

  --focus-ring: 0 0 0 3px rgba(16, 192, 160, 0.35);
  --radius: 8px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

button, input {
  font-family: 'Inter', sans-serif;
}

a { color: inherit; text-decoration: none; }

[hidden] { display: none !important; }

/* ---------------------------------------------------------------------- */
/* Boot / login — full-page centered card, light background throughout     */
/* ---------------------------------------------------------------------- */

#boot-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 13px;
}

#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-subtle);
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.login-brand {
  font-weight: 600;
  font-size: 16px;
  color: var(--navy-900);
  margin-bottom: 4px;
}

.login-sub {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-size: 13.5px;
  color: var(--text-primary);
  background: var(--bg-page);
}

.field input:focus {
  outline: none;
  border-color: var(--mint-500);
  box-shadow: var(--focus-ring);
}

.btn-primary {
  width: 100%;
  padding: 10px 14px;
  border: none;
  border-radius: 6px;
  background: var(--mint-500);
  color: var(--text-on-mint);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary:hover { background: var(--mint-600); }
.btn-primary:disabled { opacity: .6; cursor: default; }

.btn-secondary {
  padding: 8px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--bg-page);
  color: var(--text-primary);
  font-size: 12.5px;
  cursor: pointer;
}

.btn-secondary:hover { background: var(--bg-subtle); }

.form-error {
  margin-top: 12px;
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--coral-050);
  color: var(--coral-500);
  font-size: 12.5px;
}

/* ---------------------------------------------------------------------- */
/* Shell — navy-900 topbar (chrome), light content                        */
/* ---------------------------------------------------------------------- */

#shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 20px;
  height: 56px;
  background: var(--navy-900);
  border-bottom: 1px solid var(--border-on-navy);
  flex-shrink: 0;
}

.topbar-brand {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-on-navy);
  white-space: nowrap;
}

.topbar-nav {
  display: flex;
  gap: 4px;
  flex: 1;
}

.topbar-nav a {
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-on-navy-muted);
  border-bottom: 2px solid transparent;
}

.topbar-nav a:hover {
  color: var(--text-on-navy);
  background: rgba(255, 255, 255, 0.08);
}

.topbar-nav a.active {
  color: var(--text-on-navy);
  border-bottom-color: var(--mint-500);
}

.topbar-session {
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}

#session-email {
  font-size: 12.5px;
  color: var(--text-on-navy-muted);
}

/* Session-expiry banner — coral is a warning color, used here for exactly
   that: an interruption the user did not ask for. Not shown on a normal
   "Cerrar sesion" click (see isUnexpectedSignOut in lib/auth.js) — only on
   an SDK-initiated SIGNED_OUT the user didn't request, so it stays rare. */
#session-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  background: var(--coral-050);
  color: var(--coral-500);
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}

#session-banner .field {
  margin-bottom: 0;
}

#session-banner form {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

#session-banner input {
  padding: 6px 8px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-size: 12.5px;
  width: 160px;
}

#screen-mount {
  flex: 1;
  padding: 24px;
  background: var(--bg-page);
}

.screen-stub {
  color: var(--text-muted);
  font-size: 13px;
}

.screen-stub h1 {
  font-size: 18px;
  font-weight: 600;
  color: var(--navy-900);
  margin: 0 0 8px;
}