/* auth.css - Versión Premium */

/* Animación de entrada */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.auth-container {
    max-width: 450px !important;
    justify-content: center;
    min-height: calc(100vh - 160px);
    animation: fadeInUp 0.6s ease-out;
}

.auth-card {
    width: 100%;
    background: linear-gradient(180deg, var(--card-light), var(--card));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
    position: relative;
    overflow: hidden;
}

/* Efecto de brillo sutil en la parte superior */
.auth-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.auth-header { text-align: center; margin-bottom: 32px; }
.auth-header h1 { font-size: 28px; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.5px; }
.auth-header p { color: var(--muted); font-size: 14px; }

.form-group { margin-bottom: 20px; position: relative; }
.form-group label {
    display: block; font-size: 12px; font-weight: 700; color: var(--muted);
    margin-bottom: 8px; text-transform: uppercase; letter-spacing: 1px;
}

.form-control {
    width: 100%; background: #0c0f1f; border: 1px solid var(--border);
    border-radius: 12px; padding: 12px 16px; color: var(--text);
    font-size: 15px; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(124,140,255,0.1);
    background: #0e1225;
}

/* Contenedor Password con Ojo */
.password-wrapper { position: relative; }

.toggle-password {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--muted);
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.toggle-password:hover { color: var(--primary); }
.toggle-password svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; }

.btn-auth {
    width: 100%;
    margin-top: 10px;
    justify-content: center;
    letter-spacing: 0.5px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-auth:active { transform: scale(0.98); }

.auth-footer { text-align: center; margin-top: 24px; font-size: 14px; color: var(--muted); }
.auth-link { color: var(--primary); text-decoration: none; font-weight: 600; transition: 0.2s; }
.auth-link:hover { filter: brightness(1.2); }

/* =========================================
   ERRORES Y VALIDACIÓN
   ========================================= */

/* 1. Animación de Sacudida (Shake) */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake {
  /* Se ejecutará una vez durante 0.5 segundos */
  animation: shake 0.5s cubic-bezier(.36,.07,.19,.97) both;
}

/* 2. Input con Error */
.form-control.is-invalid {
    border-color: #ff7c7c; /* Color rojo de error */
    background: rgba(255, 80, 80, 0.05); 
}

/* El foco también cambia a rojo */
.form-control.is-invalid:focus {
    border-color: #ff7c7c;
    box-shadow: 0 0 0 4px rgba(255, 124, 124, 0.15);
}

/* 3. Texto del Mensaje de Error debajo del campo */
.invalid-feedback {
    color: #ff7c7c;
    font-size: 12px;
    font-weight: 500;
    margin-top: 6px;
    display: flex;
    align-items: center;
    animation: fadeInUp 0.3s ease-out; /* Pequeña animación de entrada */
}

/* Opcional: Icono de alerta antes del mensaje */
.invalid-feedback::before {
    content: '⚠';
    margin-right: 5px;
    font-size: 14px;
}