/* ============================================================
   LOTE 0 — FUNDACIÓN: tokens de diseño
   (idénticos a paleta_ferrax_telemetria.css)
   ============================================================ */
:root {
  --bg-base: #000000;
  --bg-surface: #0D1526;
  --bg-surface-raised: #121A2E;
  --border-default: #16233D;
  --border-subtle: #0D1526;

  --text-primary: #FFFFFF;
  --text-secondary: #9CA3AF;
  --text-disabled: #4B5563;
  --text-on-accent: #000000;

  --accent-primary: #4A7CDC;
  --accent-primary-hover: #6B98E8;
  --accent-primary-active: #3562B8;
  --accent-primary-disabled: #2A3B5C;

  --button-success-bg: #58D666;
  --button-success-bg-hover: #6FE878;
  --button-success-bg-active: #46B854;
  --button-success-text: #000000;

  --status-safe: #6FE878;
  --status-warning: #F5E000;
  --status-caution: #F09012;
  --status-critical: #FF4433;

  --font-display: 'Play', sans-serif;
  --font-body: 'Montserrat', sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg-base); }
body {
  font-family: var(--font-body);
  color: var(--text-primary);
  min-height: 100vh;
}
a { color: var(--accent-primary); text-decoration: none; }
a:hover { color: var(--accent-primary-hover); }
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; margin: 0; }

/* ---- Componentes base reutilizables (Lote 0) ---- */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 8px;
}
label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; }
input[type="text"], input[type="password"], input[type="email"] {
  width: 100%;
  background: #0A0F1C;
  border: 1px solid var(--border-default);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 11px 12px;
}
input:focus { outline: none; border-color: var(--accent-primary); box-shadow: 0 0 0 1px var(--accent-primary); }
.field { margin-bottom: 18px; }
.field-error { color: var(--status-critical); font-size: 12px; margin-top: 6px; display: none; }
.field.invalid input { border-color: var(--status-critical); }
.field.invalid .field-error { display: block; }

button.btn {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .3px;
  border: none;
  border-radius: 4px;
  padding: 12px 20px;
  cursor: pointer;
  width: 100%;
}
button.btn-primary { background: var(--accent-primary); color: #FFFFFF; }
button.btn-primary:hover { background: var(--accent-primary-hover); }
button.btn-primary:active { background: var(--accent-primary-active); }
button.btn-success { background: var(--button-success-bg); color: var(--button-success-text); }
button.btn-success:hover { background: var(--button-success-bg-hover); }
button.btn-secondary { background: transparent; color: var(--text-primary); border: 1px solid var(--border-default); }
button.btn-secondary:hover { border-color: var(--accent-primary); color: var(--accent-primary); }
button:focus-visible { outline: 2px solid var(--accent-primary); outline-offset: 2px; }

.badge { display: inline-block; font-size: 11px; font-weight: 600; padding: 3px 9px; border-radius: 4px; }
.badge-safe { background: rgba(111,232,120,0.15); color: var(--status-safe); }
.badge-critical { background: rgba(255,68,51,0.15); color: var(--status-critical); }

.toast {
  position: fixed; top: 20px; left: 50%; transform: translateX(-50%);
  background: var(--bg-surface-raised); border: 1px solid var(--status-safe);
  color: var(--text-primary); padding: 12px 20px; border-radius: 6px;
  font-size: 13px; z-index: 100; display: none;
}
.toast.show { display: block; }

/* ---- Layout: pantallas de autenticación (sin sesión) ---- */
.auth-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.auth-logo { height: 36px; margin-bottom: 40px; }
.auth-card { width: 100%; max-width: 380px; padding: 32px; }
.auth-card h2 { font-size: 20px; margin-bottom: 6px; }
.auth-card .subtitle { color: var(--text-secondary); font-size: 13px; margin-bottom: 24px; }
.auth-links { margin-top: 20px; font-size: 13px; color: var(--text-secondary); text-align: center; }
.auth-links a { display: block; margin-top: 8px; }
.consent-row { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 20px; }
.consent-row input { margin-top: 3px; }
.consent-row label { font-size: 12px; color: var(--text-secondary); margin: 0; }

/* ---- Layout: shell autenticado (header + sidebar) ---- */
.app-shell { display: flex; min-height: 100vh; }
.app-header {
  position: fixed; top: 0; left: 0; right: 0; height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; border-bottom: 1px solid var(--border-default);
  background: var(--bg-base); z-index: 10;
}
.app-logo { height: 32px; }
.app-user { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-secondary); }
.app-user .name { color: var(--text-primary); font-weight: 500; }
.app-sidebar {
  position: fixed; top: 64px; left: 0; bottom: 0; width: 220px;
  border-right: 1px solid var(--border-default);
  padding: 20px 12px;
}
.app-sidebar a {
  display: block; padding: 10px 12px; border-radius: 4px;
  color: var(--text-secondary); font-size: 14px; margin-bottom: 2px;
}
.app-sidebar a:hover { background: var(--bg-surface); color: var(--text-primary); }
.app-sidebar a.active { background: var(--bg-surface); color: var(--text-primary); border-left: 2px solid var(--accent-primary); }
.app-content { margin-left: 220px; margin-top: 64px; padding: 32px; flex: 1; max-width: 640px; }
.app-content h1 { font-size: 22px; margin-bottom: 24px; }

.avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
}
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.divider { border: none; border-top: 1px solid var(--border-default); margin: 24px 0; }