/* ========== LOGIN PAGE STYLES ========== */
body {
    background: linear-gradient(135deg, #1e3a8a 0%, #0f172a 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 1rem;
}

/* Título de la aplicación */
.app-title {
    color: white;
    font-weight: 900;
    font-size: 2.5rem;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: fadeInDown 0.8s ease-out;
    margin-bottom: 2rem !important;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card {
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.98);
    border: none;
    border-radius: 25px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.4);
}

/* Header del login */
.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-title {
    background: linear-gradient(135deg, #1e3a8a 0%, #0f172a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: #6c757d;
    font-size: 1rem;
    font-weight: 500;
}

/* Formulario */
.form-label {
    color: #495057;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.form-control {
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 0.85rem 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.form-control:focus {
    background: white;
    border-color: #1e3a8a;
    box-shadow: 0 0 0 0.25rem rgba(30, 58, 138, 0.15);
    outline: none;
}

.form-control:hover {
    border-color: #d1d5db;
}

/* Botón de iniciar sesión */
.btn-login {
    background: linear-gradient(135deg, #1e3a8a 0%, #0f172a 100%);
    border: none;
    border-radius: 12px;
    padding: 0.9rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-login:hover {
    background: linear-gradient(135deg, #1e40af 0%, #1e293b 100%);
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(30, 58, 138, 0.5);
    color: white;
}

.btn-login:active {
    transform: translateY(0);
    box-shadow: 0 6px 20px rgba(30, 58, 138, 0.4);
}

/* Alertas */
.alert-danger {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    padding: 1rem;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

/* Animación de entrada */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive */
@media (max-width: 576px) {
    .app-title {
        font-size: 1.8rem;
        letter-spacing: 1px;
    }

    .login-card {
        border-radius: 20px;
        padding: 1.5rem !important;
    }

    .login-title {
        font-size: 1.6rem;
    }

    .login-subtitle {
        font-size: 0.9rem;
    }

    .btn-login {
        padding: 0.8rem;
        font-size: 1rem;
    }
}

/* Decoración de fondo */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Efecto de cristal en el input */
.form-control::placeholder {
    color: #adb5bd;
    font-weight: 400;
}