:root {
  --mahogany-50: #ffecec;
  --mahogany-100: #ffcece;
  --mahogany-200: #ff9d9d;
  --mahogany-300: #ff6969;
  --mahogany-400: #fe0000;
  --mahogany-500: #cd0000;
  --mahogany-600: #9c0000;
  --mahogany-700: #730000;
  --mahogany-800: #4e0000;
  --mahogany-900: #3f0000;
  --mahogany-1000: #360000;
  --mahogany-1100: #2b0000;
  --negro: #000000;
  --negro-claro: #161a1d;
}

body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, var(--mahogany-1000) 0%, var(--mahogany-700) 100%);
  min-height: 100vh;
}

/* Estilos para las tarjetas de login/registro */
.card {
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3),
                0 6px 12px rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 1rem;
    
}

.card-body {
    padding: 2rem;
}

.btn.btn-primary.w-100.mb-3 {
    background-color: var(--mahogany-500);
    border-color: var(--mahogany-500);
}

.btn.btn-primary.w-100.mb-3:hover {
    background-color: var(--mahogany-400);
    border-color: var(--mahogany-400);
}

/* Botón outline danger personalizado con colores mahogany */
.btn-outline-danger {
    color: var(--mahogany-500);
    border-color: var(--mahogany-500);
    border-width: 2px;
}

.btn-outline-danger:hover {
    background-color: var(--mahogany-500);
    border-color: var(--mahogany-500);
    color: white;
}

.btn-outline-danger:active,
.btn-outline-danger:focus {
    background-color: var(--mahogany-600);
    border-color: var(--mahogany-600);
    color: white;
}

/* Estilos para mensajes de error */
.text-danger {
    color: #ff4444 !important;
    font-size: 0.875rem;
    display: block;
}

.fw-bold {
    font-weight: 700 !important;
}

.mt-1 {
    margin-top: 0.25rem !important;
}

/* Estilo alternativo con fondo para mayor contraste */
.error-message {
    background-color: #fff3cd;
    border-left: 4px solid #ff4444;
    color: #721c24;
    padding: 0.5rem;
    margin-top: 0.25rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Estilos para mensajes de Django (messages framework) */
.alert {
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.alert-error,
.alert-danger {
    background-color: #f8d7da;
    border: 2px solid #dc3545;
    color: #721c24;
}

.alert-success {
    background-color: #d4edda;
    border: 2px solid #28a745;
    color: #155724;
}

.alert-info {
    background-color: #d1ecf1;
    border: 2px solid #17a2b8;
    color: #0c5460;
}

.alert-warning {
    background-color: #fff3cd;
    border: 2px solid #ffc107;
    color: #856404;
}

/* Botón de cerrar de las alertas */
.alert .btn-close {
    filter: brightness(0.3);
}