/* Minimalista y atractivo */
body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

.navbar {
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border-bottom: 1px solid #e9ecef;
}

.navbar-brand {
    font-weight: bold;
    color: #495057 !important;
}

.btn {
    border-radius: 25px;
    padding: 0.5rem 1.5rem;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    background-color: #ffffff;
}

.table {
    background-color: #ffffff;
    border-radius: 10px;
    overflow: hidden;
}

.table thead th {
    background-color: #f1f3f4;
    border: none;
    font-weight: 600;
    color: #495057;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

.form-control {
    border-radius: 10px;
    border: 1px solid #ced4da;
    padding: 0.75rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,0.25);
    transform: translateY(-1px);
}

.form-control:hover {
    border-color: #adb5bd;
}

.form-control::placeholder {
    color: #6c757d;
    opacity: 0.7;
}

.form-label {
    color: #495057;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-text {
    color: #6c757d;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.btn {
    border-radius: 25px;
    padding: 0.5rem 1.5rem;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    border: none;
}

.btn-success {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
    border: none;
}

.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    background-color: #ffffff;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 8px 15px rgba(0,0,0,0.15);
    transform: translateY(-2px);
}

.card-header {
    border-radius: 15px 15px 0 0 !important;
    border: none;
    padding: 2rem 1.5rem;
}

.card-body {
    padding: 2rem;
}

.input-group-text {
    background-color: #f8f9fa;
    border: 1px solid #ced4da;
    border-radius: 10px 0 0 10px;
    color: #495057;
}

.input-group .form-control {
    border-radius: 0 10px 10px 0;
    border-left: none;
}

.input-group .form-control:focus {
    border-left: 1px solid #007bff;
}

/* Estilos específicos para formularios */
.form-section {
    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(248,249,250,0.9) 100%);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0,0,0,0.05);
}

.form-icon-label {
    display: flex;
    align-items: center;
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.5rem;
}

.form-icon-label i {
    margin-right: 0.5rem;
    width: 20px;
    text-align: center;
}

.form-group-enhanced {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-group-enhanced .form-control {
    padding-left: 1rem;
    font-size: 1rem;
}

.form-group-enhanced .form-text {
    position: absolute;
    bottom: -1.5rem;
    left: 0;
    font-size: 0.8rem;
}

/* Mejoras para campos de contraseña */
.password-field {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #6c757d;
    cursor: pointer;
    padding: 0.25rem;
}

.password-toggle:hover {
    color: #495057;
}

/* Estilos para mensajes de error */
.text-danger {
    color: #dc3545 !important;
    font-weight: 500;
}

.alert {
    border-radius: 10px;
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Responsive improvements */
@media (max-width: 768px) {
    .card-body {
        padding: 1.5rem 1rem;
    }

    .card-header {
        padding: 1.5rem 1rem;
    }

    .btn-lg {
        padding: 0.75rem 2rem;
        font-size: 1rem;
    }
}

h1, h2 {
    color: #495057;
    font-weight: 300;
}

.text-center {
    text-align: center;
}

.mt-5 {
    margin-top: 3rem !important;
}

.mb-4 {
    margin-bottom: 1.5rem !important;
}