/* =====================================================
   RESPONSIVE UTILITIES
   Global responsive helpers for better mobile experience
   ===================================================== */

/* =====================================================
   RESPONSIVE GRIDS
   ===================================================== */
.responsive-grid {
    display: grid;
    gap: 1.5rem;
}

.responsive-grid.cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.responsive-grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.responsive-grid.cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

.responsive-grid.auto-fill {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* =====================================================
   RESPONSIVE TEXT
   ===================================================== */
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-break {
    word-break: break-word;
    overflow-wrap: break-word;
}

/* =====================================================
   RESPONSIVE BUTTONS
   ===================================================== */
.btn-responsive {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-responsive .btn-text {
    display: inline;
}

/* =====================================================
   RESPONSIVE TABLES
   ===================================================== */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
}

.table-responsive::-webkit-scrollbar {
    height: 8px;
}

.table-responsive::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.table-responsive::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

/* =====================================================
   HIDE/SHOW UTILITIES
   ===================================================== */
.hide-mobile {
    display: block;
}

.show-mobile {
    display: none;
}

.hide-tablet {
    display: block;
}

.show-tablet {
    display: none;
}

/* =====================================================
   RESPONSIVE SPACING
   ===================================================== */
.p-responsive {
    padding: var(--spacing-xl);
}

.m-responsive {
    margin: var(--spacing-xl);
}

/* =====================================================
   RESPONSIVE CARDS
   ===================================================== */
.card-responsive {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card-responsive .card-body {
    padding: var(--spacing-lg);
}

/* =====================================================
   RESPONSIVE FORMS
   ===================================================== */
.form-responsive {
    max-width: 100%;
}

.form-responsive .form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* =====================================================
   RESPONSIVE ACTION BARS
   ===================================================== */
.action-bar {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.action-bar-between {
    justify-content: space-between;
}

/* =====================================================
   RESPONSIVE MODALS
   ===================================================== */
.modal-responsive {
    padding: 1rem;
}

.modal-responsive .modal-content {
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
}

/* =====================================================
   TABLET BREAKPOINT (max-width: 1024px)
   ===================================================== */
@media (max-width: 1024px) {
    .responsive-grid.cols-4 {
        grid-template-columns: repeat(3, 1fr);
    }

    .hide-tablet {
        display: none !important;
    }

    .show-tablet {
        display: block !important;
    }

    .p-responsive {
        padding: var(--spacing-lg);
    }

    .m-responsive {
        margin: var(--spacing-lg);
    }
}

/* =====================================================
   MOBILE BREAKPOINT (max-width: 768px)
   ===================================================== */
@media (max-width: 768px) {
    .responsive-grid.cols-2,
    .responsive-grid.cols-3,
    .responsive-grid.cols-4 {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .responsive-grid.auto-fill {
        grid-template-columns: 1fr;
    }

    .hide-mobile {
        display: none !important;
    }

    .show-mobile {
        display: block !important;
    }

    .btn-responsive .btn-text {
        display: none;
    }

    .btn-responsive {
        padding: 0.625rem;
        min-width: 44px;
    }

    .p-responsive {
        padding: var(--spacing-md);
    }

    .m-responsive {
        margin: var(--spacing-md);
    }

    .card-responsive .card-body {
        padding: var(--spacing-md);
    }

    .form-responsive .form-row {
        grid-template-columns: 1fr;
    }

    .action-bar {
        width: 100%;
    }

    .action-bar > * {
        flex: 1;
    }

    .modal-responsive {
        padding: 0;
    }

    .modal-responsive .modal-content {
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }

    /* Page header responsive */
    .page-header {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 1rem !important;
    }

    .page-header .page-actions,
    .page-header .header-actions {
        display: flex;
        gap: 0.5rem;
    }

    .page-header .btn {
        flex: 1;
        justify-content: center;
    }

    /* Stats grid */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.75rem !important;
    }

    /* Table adjustments */
    .table th,
    .table td {
        padding: var(--spacing-sm) !important;
        font-size: 0.8125rem !important;
    }

    /* Card adjustments */
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .card-header .btn-group {
        width: 100%;
    }

    .card-header .btn-group .btn {
        flex: 1;
    }
}

/* =====================================================
   SMALL MOBILE BREAKPOINT (max-width: 480px)
   ===================================================== */
@media (max-width: 480px) {
    .responsive-grid.cols-2,
    .responsive-grid.cols-3,
    .responsive-grid.cols-4 {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr !important;
    }

    .p-responsive {
        padding: var(--spacing-sm);
    }

    .m-responsive {
        margin: var(--spacing-sm);
    }

    .card-responsive .card-body {
        padding: var(--spacing-sm);
    }

    /* Very small button handling */
    .action-bar .btn span:not(.fas):not(.fa):not(.far):not(.fab) {
        display: none;
    }

    .action-bar .btn {
        min-width: 40px;
        padding: 0.5rem;
        flex: 0;
    }

    /* Page title */
    h1 {
        font-size: 1.5rem !important;
    }

    h2 {
        font-size: 1.25rem !important;
    }

    h3 {
        font-size: 1.125rem !important;
    }

    /* Badge adjustments */
    .badge {
        font-size: 0.6875rem;
        padding: 0.25rem 0.5rem;
    }
}

/* =====================================================
   TOUCH-FRIENDLY ELEMENTS
   ===================================================== */
@media (pointer: coarse) {
    /* Larger touch targets */
    .btn,
    button,
    a.btn,
    .action-btn {
        min-height: 44px;
        min-width: 44px;
    }

    /* Better spacing for touch */
    .nav-link {
        padding: 0.875rem var(--spacing-md);
    }

    .form-control,
    .form-select {
        min-height: 44px;
    }

    /* Checkbox and radio larger */
    input[type="checkbox"],
    input[type="radio"] {
        min-width: 20px;
        min-height: 20px;
    }
}

/* =====================================================
   PRINT STYLES
   ===================================================== */
@media print {
    .sidebar,
    .topbar,
    .theme-toggle,
    .btn,
    .modal {
        display: none !important;
    }

    .main-content {
        margin-left: 0 !important;
    }

    .page-content {
        padding: 0 !important;
    }

    .card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}

/* =====================================================
   SAFE AREA INSETS (for notched phones)
   ===================================================== */
@supports (padding: env(safe-area-inset-bottom)) {
    .main-content {
        padding-bottom: env(safe-area-inset-bottom);
    }

    .sidebar {
        padding-bottom: env(safe-area-inset-bottom);
    }

    .modal {
        padding-bottom: env(safe-area-inset-bottom);
    }
}