/* css/style.css */
:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --success-color: #4cc9f0;
    --danger-color: #f72585;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 30px;
    align-items: start;
}

@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}

.card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: var(--transition);
}

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

.card-header {
    background: var(--primary-color);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: between;
    align-items: center;
}

.card-header h2 {
    font-size: 1.3rem;
    margin: 0;
}

.card-body {
    padding: 25px;
}

.user-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input {
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.form-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #545b62;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-danger:hover {
    background: #d11466;
    transform: translateY(-1px);
}

.btn-edit {
    background: var(--success-color);
    color: white;
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-edit:hover {
    background: #3aa8c9;
}

.users-list {
    display: grid;
    gap: 15px;
}

.user-item {
    background: var(--light-color);
    padding: 20px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.user-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.user-info h3 {
    color: var(--dark-color);
    margin-bottom: 5px;
}

.user-info p {
    color: #6c757d;
    font-size: 0.9rem;
}

.user-actions {
    display: flex;
    gap: 10px;
}

.loading {
    text-align: center;
    padding: 40px;
    color: #6c757d;
    font-size: 1.1rem;
}

.alert {
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.alert-success {
    background: #d1e7dd;
    color: #0f5132;
    border: 1px solid #badbcc;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.hidden {
    display: none;
}

.users-list {
    display: grid;
    gap: 15px;
    /* NOVAS REGRAS PARA O SCROLL */
    max-height: 60vh;           /* Limita a altura ao 60% da pantalla */
    overflow-y: auto;           /* Activa scroll vertical cando falle falta */
    scrollbar-gutter: stable;   /* Reserva espazo para evitar saltos */
    padding-right: 5px;         /* Espazo para que non toque os bordes */
    
    /* Personalización da barra para WebKit (Chrome, Safari, Edge) */
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) #f1f1f1;
}

/* Personalización da barra de scroll para WebKit */
.users-list::-webkit-scrollbar {
    width: 8px;
}

.users-list::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.users-list::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

.users-list::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Opcional: Axustar o card-body para que non haxa espazo extra */
.card-body {
    padding: 25px;
    display: flex;
    flex-direction: column;
}