/* --- ESTILOS LOGIN / INDEX --- */
:root {
    --paso-oscuro: #1A1A1A;
    --paso-medio: #545454;
    --dorado-destaque: #D4AF37;
    --crema-claro: #FFFFFF;
    --fondo-app: #F8F6F4;
    --texto-oscuro: #1A1A1A;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }

body { 
    background: linear-gradient(135deg, var(--fondo-app) 0%, #eaddd3 100%); 
    min-height: 100vh; 
    display: flex; flex-direction: column; 
    align-items: center; justify-content: center; 
    padding: 20px; 
}

.logo-container { text-align: center; margin-bottom: 30px; }
.logo-container h1 { font-family: 'Georgia', serif; font-size: 3.5rem; color: var(--paso-oscuro); letter-spacing: 2px; margin-bottom: 5px; text-transform: uppercase; }
.logo-container p { color: var(--paso-medio); font-size: 1.2rem; font-style: italic; }

.auth-card { background: white; width: 100%; max-width: 400px; border-radius: 20px; box-shadow: 0 15px 35px rgba(0,0,0,0.08); overflow: hidden; }

.auth-tabs { display: flex; border-bottom: 1px solid #eee; }
.tab { flex: 1; text-align: center; padding: 15px; font-weight: bold; color: #aaa; cursor: pointer; transition: 0.3s; }
.tab.active { color: var(--paso-oscuro); border-bottom: 3px solid var(--paso-oscuro); background: #fdfdfd; }

.auth-forms { padding: 30px 25px; }
.form-section { display: none; }
.form-section.active { display: block; }

.input-group { margin-bottom: 20px; text-align: left; }
.input-group label { display: block; font-size: 0.9rem; color: var(--paso-medio); font-weight: bold; margin-bottom: 8px; }
.input-group input { width: 100%; padding: 12px 15px; border: 2px solid #eee; border-radius: 10px; outline: none; font-size: 1rem; }
.input-group input:focus { border-color: var(--paso-oscuro); }

.btn-principal { width: 100%; background: var(--paso-oscuro); color: white; padding: 15px; border-radius: 10px; border: none; font-weight: bold; font-size: 1.1rem; cursor: pointer; }
.btn-invitado { width: 100%; background: white; color: var(--paso-oscuro); border: 2px solid var(--paso-oscuro); padding: 15px; border-radius: 10px; font-weight: bold; cursor: pointer; margin-top: 10px;}

.divisor { display: flex; align-items: center; margin: 25px 0; color: #aaa; font-size: 0.9rem; }
.divisor::before, .divisor::after { content: ''; flex: 1; border-bottom: 1px solid #eee; }
.divisor:before { margin-right: .5em; }
.divisor:after { margin-left: .5em; }

#alerta-msg { display: none; padding: 12px; border-radius: 8px; margin-bottom: 20px; font-weight: bold; text-align: center; background: #ffebee; color: #c62828; }