/* ============================================
   UTILITIES - Messages, Loading, Helpers
   ============================================ */

/* ============================================
   MESSAGES / NOTIFICATIONS
   ============================================ */
.message {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-primary);
    font-weight: var(--font-weight-medium);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

.message::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.message.success {
    background: rgba(53, 122, 215, 0.1);
    color: var(--color-primary-dark);
    border: 1px solid rgba(53, 122, 215, 0.2);
}

.message.success::before {
    background: var(--color-primary);
}

.message.error {
    background: rgba(220, 53, 69, 0.1);
    color: #721c24;
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.message.error::before {
    background: #dc3545;
}

.message.info {
    background: rgba(53, 122, 215, 0.1);
    color: var(--color-primary-dark);
    border: 1px solid rgba(53, 122, 215, 0.2);
}

.message.info::before {
    background: var(--color-primary);
}

/* ============================================
   LOADING STATES
   ============================================ */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================
   EMPTY STATES
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    color: var(--color-text-secondary);
}

.empty-state i {
    font-size: 4rem;
    color: var(--color-border-light);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   CUSTOM SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: #2a62b5;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (min-width: 768px) {
    .dashboard-content {
        max-width: 600px;
        padding: var(--spacing-xl);
    }
}

@media (max-width: 480px) {
    .dashboard-content,
    .invite-content,
    .register-car-content,
    .access-card-content {
        padding: var(--spacing-md);
    }
}