@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

:root {
  /* Paleta institucional (login / shell) */
  --aei-bronce: #A89880;
  --aei-bronce-hover: #96876f;
  --aei-piedra: #7A7870;
  --aei-arena: #E8E3DA;
  --aei-grafito: #3A3A38;
  --aei-lino: #C8C4BC;
  --aei-blanco: #FAF8F5;

  --aei-primary: #3A3A38;
  --aei-primary-dark: #2a2a28;
  --aei-primary-mid: #7A7870;
  --aei-accent: #A89880;
  /* Acciones afirmativas (legacy btn-success) = Bronce institucional */
  --aei-success: #A89880;
  --aei-success-hover: #96876f;
  --aei-white: #ffffff;
  --aei-gray-50: #FAF8F5;
  --aei-gray-100: #E8E3DA;
  --aei-gray-200: #C8C4BC;
  --aei-gray-400: #A89880;
  --aei-gray-600: #7A7870;
  --aei-gray-700: #5c5a54;
  --aei-text: #3A3A38;
  --aei-danger: #7A7870;
  --aei-font-family: 'Poppins', 'Segoe UI', sans-serif;
  --aei-radius-sm: 6px;
  --aei-radius-md: 10px;
  --aei-radius-lg: 14px;
  --aei-shadow-card: 0 18px 48px rgba(58, 58, 56, 0.1), 0 4px 12px rgba(58, 58, 56, 0.04);
  --aei-header-height: 64px;
  --aei-sidebar-width: 280px;
  --aei-tabbar-height: 36px;

  /* Alias usados en módulos (evita grises/azules Bootstrap en fallbacks) */
  --aei-border-color: var(--aei-lino);
  --aei-surface-muted: var(--aei-arena);
  --aei-text-secondary: var(--aei-piedra);
  --aei-text-muted: var(--aei-piedra);
}

*,
*::before,
*::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--aei-font-family);
  color: var(--aei-text);
  background: var(--aei-gray-100);
}

.aei-hidden { display: none !important; }

/* Brand logo */
.aei-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.aei-brand__mark {
  width: 42px;
  height: 42px;
  border: 2px solid currentColor;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  line-height: 1;
}

.aei-brand__logo {
  display: block;
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.aei-brand__logo--header {
  width: 44px;
  height: 44px;
}

.aei-brand__logo--minimal {
  width: 56px;
  height: 56px;
  margin: 0 auto;
}

.aei-brand__title {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--aei-primary);
  white-space: nowrap;
}

.aei-brand--light .aei-brand__title,
.aei-brand--light .aei-brand__mark { color: var(--aei-white); }

.aei-brand--light .aei-brand__mark { border-color: rgba(255,255,255,0.9); }

/* Alerts */
.aei-alert {
  padding: 0.75rem 1rem;
  border-radius: var(--aei-radius-sm);
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.aei-alert--danger {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.aei-alert--success {
  background: var(--aei-arena);
  color: var(--aei-grafito);
  border: 1px solid var(--aei-lino);
}

/* Buttons */
.aei-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--aei-radius-sm);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.aei-btn--success {
  background: var(--aei-bronce);
  color: var(--aei-blanco);
  border-color: var(--aei-bronce);
}

.aei-btn--success:hover {
  background: var(--aei-bronce-hover);
  border-color: var(--aei-bronce-hover);
}

.aei-btn--danger {
  background: var(--aei-danger);
  color: var(--aei-white);
}

.aei-btn--danger:hover { background: #c82333; }

.aei-btn--block { width: 100%; }

.aei-btn--toolbar {
  background: var(--aei-white);
  color: var(--aei-primary);
  border-color: var(--aei-gray-200);
  padding: 0.5rem 0.875rem;
  font-size: 0.8125rem;
}

.aei-btn--toolbar:hover { background: var(--aei-gray-50); }

.aei-btn--toolbar-accent {
  border-color: var(--aei-accent);
  background: #fffdf5;
}

.aei-btn--toolbar-active {
  background: #fffbeb;
  border-color: var(--aei-accent);
}