/* Estilos generales */
:root {
    --primary-color: #1a237e;
    --success-color: #198754;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --danger-color: #dc3545;
    --focus-outline: 2px solid #1a237e;
}

body {
    font-family: 'Poppins', Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8eb 100%);
    color: #222;
    min-height: 100vh;
}

/* Estilos para el logo */
.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-circle {
    width: 80px;
    height: 80px;
    background-color: #1a237e;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 12px rgba(26, 35, 126, 0.2);
}

.logo-text {
    color: white;
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -1px;
}

/* Estilos para la tarjeta de login */
.login-card {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.login-card:hover {
    transform: translateY(-5px);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    letter-spacing: -0.5px;
}

.card {
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(26, 35, 126, 0.08);
    background: #fff;
    margin-bottom: 2rem;
    animation: fadeInUp 0.5s ease-out;
}

.card-body {
    padding: 2.5rem;
    animation: fadeIn 0.6s ease-out;
}

/* Estilos para los inputs */
.form-label {
    font-weight: 500;
    color: #222;
    margin-bottom: 0.3rem;
}

.form-control {
    border: 1px solid #e0e0e0;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(26, 35, 126, 0.15);
    outline: var(--focus-outline);
}

/* Estilos para los botones */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    border-radius: 8px;
    font-weight: 500;
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
}

.btn-primary:hover, .btn-primary:focus {
    background-color: #151b60;
    border-color: #151b60;
    box-shadow: 0 4px 12px rgba(26, 35, 126, 0.15);
    outline: var(--focus-outline);
}

/* Estilos para el botón de mostrar/ocultar contraseña */
#togglePassword {
    border-left: none;
    background-color: white;
    border-color: #e0e0e0;
    color: #1a237e;
    transition: all 0.3s ease;
}

#togglePassword:hover {
    background-color: #f8f9fa;
    color: #151b60;
}

#togglePassword:focus {
    box-shadow: none;
    border-color: #1a237e;
}

/* Estilos para los iconos en los inputs */
.input-group-text {
    background-color: var(--primary-color);
    border: none;
    color: #fff;
    padding: 0.75rem 1rem;
}

/* Estilos para el checkbox */
.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Estilos para el footer y redes sociales */
.social-links {
    margin-top: 1rem;
}

.social-link {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin: 0 10px;
    transition: all 0.3s ease;
}

.social-link:hover, .social-link:focus {
    color: #151b60;
    transform: translateY(-3px);
    outline: var(--focus-outline);
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Skeleton loader */
.skeleton {
    background: linear-gradient(90deg, #e4e8eb 25%, #f5f7fa 50%, #e4e8eb 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.2s infinite linear;
    border-radius: 8px;
    min-height: 1.5em;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-body {
        padding: 1.2rem !important;
    }
    
    h2 {
        font-size: 1.3rem;
    }
    
    .social-link {
        font-size: 1.2rem;
        margin: 0 8px;
    }
}

/* Estilos para microinteracciones */
.focus-ring {
    outline: var(--focus-outline);
    box-shadow: 0 0 0 2px rgba(26,35,126,0.15);
}

.hovered {
    background-color: #f5f7fa !important;
    transition: background 0.2s;
}

/* Spinner para formularios */
.spinner-border {
    vertical-align: middle;
    margin-right: 0.5em;
}

/* Skeleton loader para formularios */
.skeleton-input {
    height: 2.5em;
    width: 100%;
    border-radius: 8px;
    margin-bottom: 1em;
    background: linear-gradient(90deg, #e4e8eb 25%, #f5f7fa 50%, #e4e8eb 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.2s infinite linear;
}