/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .logo {
        justify-content: center;
        text-align: center;
    }

    .header-actions {
        width: 100%;
        justify-content: space-between;
    }

    .nav-tabs {
        padding: 0 1rem;
        flex-wrap: nowrap;
        overflow-x: auto;
    }

    .nav-tab {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }

    .nav-tab span {
        display: none;
    }

    .nav-tab i {
        margin-right: 0;
        font-size: 1.25rem;
    }

    .main-content {
        padding: 1rem;
    }

    .card {
        border-radius: 8px;
    }

    .card-header {
        padding: 1rem;
    }

    .card-body {
        padding: 1rem;
    }

    .table {
        font-size: 0.75rem;
    }

    .table th,
    .table td {
        padding: 0.5rem 0.25rem;
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }

    .modal-content {
        margin: 1rem;
        width: calc(100% - 2rem);
    }

    .modal-header {
        padding: 1rem;
    }

    .modal-body {
        padding: 1rem;
    }

    /* Calendar Mobile */
    .calendar-day {
        min-height: 80px;
        padding: 0.25rem;
    }

    .calendar-day-number {
        font-size: 0.875rem;
    }

    .calendar-event {
        font-size: 0.625rem;
        padding: 0.125rem 0.25rem;
    }

    /* Forms Mobile */
    .form-control {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }

    /* Navigation improvements */
    .nav-tab.active span {
        display: inline;
    }

    /* Statistics grid */
    .grid-cols-3 {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .stat-card {
        padding: 1rem;
    }

    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }

    .stat-value {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .logo-text h1 {
        font-size: 1.25rem;
    }

    .logo-text span {
        font-size: 0.75rem;
    }

    .nav-tab {
        padding: 0.5rem 0.75rem;
    }

    .card-title {
        font-size: 1.125rem;
    }

    .empty-state {
        padding: 2rem 1rem;
    }

    .empty-state i {
        font-size: 2rem;
    }

    .empty-state h3 {
        font-size: 1.125rem;
    }

    /* Button groups */
    .flex.gap-2 {
        gap: 0.25rem;
    }

    /* Table actions */
    .table td:last-child {
        min-width: 80px;
    }

    /* Calendar very small screens */
    .calendar-day-header {
        padding: 0.5rem 0.25rem;
        font-size: 0.75rem;
    }

    .calendar-day {
        min-height: 60px;
    }

    .calendar-day-number {
        font-size: 0.75rem;
    }
}

/* Touch device improvements */
@media (hover: none) and (pointer: coarse) {
    .btn, .btn-icon {
        min-height: 44px;
        min-width: 44px;
    }

    .nav-tab {
        min-height: 44px;
        min-width: 44px;
    }

    .table tr {
        border-bottom: 2px solid #e2e8f0;
    }

    .calendar-event {
        min-height: 32px;
        display: flex;
        align-items: center;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .calendar-day-other {
        background: #374151;
        color: #6b7280;
    }

    .calendar-day-today {
        background: #1e40af;
        color: white;
    }
}

/* Print styles */
@media print {
    .header-actions,
    .navigation,
    .btn {
        display: none !important;
    }

    .card {
        box-shadow: none;
        border: 1px solid #000;
    }

    .main-content {
        padding: 0;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid;
    }

    .btn {
        border: 1px solid;
    }

    .table th,
    .table td {
        border: 1px solid;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}