/**
 * Responsive CSS - Breakpoint-based Responsive Rules
 * Modern Minimal Design System
 *
 * Breakpoints:
 * - Mobile: < 576px
 * - Small (sm): 576px - 767px
 * - Medium (md): 768px - 991px
 * - Large (lg): 992px - 1199px
 * - Extra Large (xl): 1200px+
 */

/* ========================================
   MOBILE FIRST BASE STYLES (< 576px)
   ======================================== */

/* Layout */
.main-wrapper {
    padding-left: 0;
}

.main-content {
    padding: var(--spacing-3);
}

.sidebar {
    transform: translateX(-100%);
    position: fixed;
    z-index: var(--z-fixed);
}

.sidebar.active {
    transform: translateX(0);
}

/* Stats Grid */
.stats-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-3);
}

/* Cards Grid */
.cards-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-3);
}

/* Tables */
.data-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.data-table {
    min-width: 600px;
}

/* Mobile Table Header */
.table-header {
    flex-direction: column;
    gap: var(--spacing-3);
}

.table-search {
    width: 100%;
}

.table-filters {
    width: 100%;
    flex-wrap: wrap;
}

/* Hide on mobile */
.hide-mobile {
    display: none !important;
}

/* Show on mobile */
.show-mobile {
    display: block !important;
}

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

/* Mobile-first touch targets */
.btn {
    min-height: 44px;
    min-width: 44px;
}

/* Mobile nav */
.nav-link {
    padding: var(--spacing-3) var(--spacing-4);
}

/* Stat card mobile */
.stat-card {
    padding: var(--spacing-4);
}

.stat-value {
    font-size: var(--font-size-2xl);
}

/* ========================================
   SMALL SCREENS (576px - 767px)
   ======================================== */

@media (min-width: 576px) {
    /* Stats Grid - 2 columns */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Cards Grid - 2 columns */
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Content padding */
    .main-content {
        padding: var(--spacing-4);
    }

    /* Table header */
    .table-header {
        flex-direction: row;
        justify-content: space-between;
    }

    .table-search {
        width: auto;
        min-width: 250px;
    }

    /* Responsive display utilities */
    .d-sm-none { display: none !important; }
    .d-sm-block { display: block !important; }
    .d-sm-flex { display: flex !important; }
    .d-sm-inline { display: inline !important; }
    .d-sm-inline-block { display: inline-block !important; }
    .d-sm-grid { display: grid !important; }

    /* Responsive flex utilities */
    .flex-sm-row { flex-direction: row !important; }
    .flex-sm-column { flex-direction: column !important; }
    .justify-sm-start { justify-content: flex-start !important; }
    .justify-sm-end { justify-content: flex-end !important; }
    .justify-sm-center { justify-content: center !important; }
    .justify-sm-between { justify-content: space-between !important; }
    .items-sm-start { align-items: flex-start !important; }
    .items-sm-center { align-items: center !important; }
    .items-sm-end { align-items: flex-end !important; }

    /* Responsive grid columns */
    .grid-sm-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)) !important; }
    .grid-sm-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
    .grid-sm-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }

    /* Responsive text */
    .text-sm-left { text-align: left !important; }
    .text-sm-center { text-align: center !important; }
    .text-sm-right { text-align: right !important; }

    /* Responsive spacing */
    .p-sm-4 { padding: var(--spacing-4) !important; }
    .px-sm-4 { padding-left: var(--spacing-4) !important; padding-right: var(--spacing-4) !important; }
    .py-sm-4 { padding-top: var(--spacing-4) !important; padding-bottom: var(--spacing-4) !important; }
    .m-sm-0 { margin: 0 !important; }
    .mt-sm-0 { margin-top: 0 !important; }
    .mb-sm-4 { margin-bottom: var(--spacing-4) !important; }
}

/* ========================================
   MEDIUM SCREENS / TABLET (768px - 991px)
   ======================================== */

@media (min-width: 768px) {
    /* Sidebar - collapsed state */
    .sidebar {
        transform: translateX(0);
        width: var(--sidebar-collapsed-width);
    }

    .sidebar .nav-text,
    .sidebar .section-header,
    .sidebar .sidebar-logo span {
        display: none;
    }

    .sidebar .nav-link {
        justify-content: center;
        padding: var(--spacing-3);
    }

    .sidebar .nav-icon {
        margin-right: 0;
    }

    /* Main wrapper with collapsed sidebar */
    .main-wrapper {
        padding-left: var(--sidebar-collapsed-width);
    }

    /* Content padding */
    .main-content {
        padding: var(--spacing-5);
    }

    /* Stats Grid - 2 columns */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-4);
    }

    /* Cards Grid - 2 columns */
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-4);
    }

    /* Hide on tablet */
    .hide-tablet {
        display: none !important;
    }

    /* Show on tablet */
    .show-tablet {
        display: block !important;
    }

    /* Responsive display utilities */
    .d-md-none { display: none !important; }
    .d-md-block { display: block !important; }
    .d-md-flex { display: flex !important; }
    .d-md-inline { display: inline !important; }
    .d-md-inline-block { display: inline-block !important; }
    .d-md-grid { display: grid !important; }

    /* Responsive flex utilities */
    .flex-md-row { flex-direction: row !important; }
    .flex-md-column { flex-direction: column !important; }
    .justify-md-start { justify-content: flex-start !important; }
    .justify-md-end { justify-content: flex-end !important; }
    .justify-md-center { justify-content: center !important; }
    .justify-md-between { justify-content: space-between !important; }
    .items-md-start { align-items: flex-start !important; }
    .items-md-center { align-items: center !important; }
    .items-md-end { align-items: flex-end !important; }

    /* Responsive grid columns */
    .grid-md-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)) !important; }
    .grid-md-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
    .grid-md-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
    .grid-md-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }

    /* Responsive text */
    .text-md-left { text-align: left !important; }
    .text-md-center { text-align: center !important; }
    .text-md-right { text-align: right !important; }

    /* Responsive spacing */
    .p-md-5 { padding: var(--spacing-5) !important; }
    .px-md-5 { padding-left: var(--spacing-5) !important; padding-right: var(--spacing-5) !important; }
    .py-md-5 { padding-top: var(--spacing-5) !important; padding-bottom: var(--spacing-5) !important; }
    .m-md-0 { margin: 0 !important; }
    .mt-md-0 { margin-top: 0 !important; }
    .mb-md-5 { margin-bottom: var(--spacing-5) !important; }

    /* Responsive widths */
    .w-md-auto { width: auto !important; }
    .w-md-full { width: 100% !important; }
    .w-md-50 { width: 50% !important; }
}

/* ========================================
   LARGE SCREENS / DESKTOP (992px+)
   ======================================== */

@media (min-width: 992px) {
    /* Sidebar - expanded state */
    .sidebar {
        width: var(--sidebar-width);
    }

    .sidebar .nav-text,
    .sidebar .section-header,
    .sidebar .sidebar-logo span {
        display: inline;
    }

    .sidebar .nav-link {
        justify-content: flex-start;
        padding: var(--spacing-2) var(--spacing-4);
    }

    .sidebar .nav-icon {
        margin-right: var(--spacing-3);
    }

    /* Main wrapper with full sidebar */
    .main-wrapper {
        padding-left: var(--sidebar-width);
    }

    /* Content padding */
    .main-content {
        padding: var(--spacing-6);
    }

    /* Stats Grid - 4 columns */
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-5);
    }

    /* Cards Grid - 3 columns default */
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-5);
    }

    /* Two column layout */
    .two-col-layout {
        display: grid;
        grid-template-columns: 2fr 1fr;
        gap: var(--spacing-6);
    }

    /* Three column layout */
    .three-col-layout {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-6);
    }

    /* Hide on desktop */
    .hide-desktop {
        display: none !important;
    }

    /* Show on desktop */
    .show-desktop {
        display: block !important;
    }

    /* Mobile menu toggle */
    .mobile-menu-toggle {
        display: none !important;
    }

    /* Sidebar overlay (not needed on desktop) */
    .sidebar-overlay {
        display: none !important;
    }

    /* Responsive display utilities */
    .d-lg-none { display: none !important; }
    .d-lg-block { display: block !important; }
    .d-lg-flex { display: flex !important; }
    .d-lg-inline { display: inline !important; }
    .d-lg-inline-block { display: inline-block !important; }
    .d-lg-grid { display: grid !important; }

    /* Responsive flex utilities */
    .flex-lg-row { flex-direction: row !important; }
    .flex-lg-column { flex-direction: column !important; }
    .justify-lg-start { justify-content: flex-start !important; }
    .justify-lg-end { justify-content: flex-end !important; }
    .justify-lg-center { justify-content: center !important; }
    .justify-lg-between { justify-content: space-between !important; }
    .items-lg-start { align-items: flex-start !important; }
    .items-lg-center { align-items: center !important; }
    .items-lg-end { align-items: flex-end !important; }

    /* Responsive grid columns */
    .grid-lg-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)) !important; }
    .grid-lg-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
    .grid-lg-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
    .grid-lg-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }
    .grid-lg-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)) !important; }
    .grid-lg-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)) !important; }

    /* Responsive text */
    .text-lg-left { text-align: left !important; }
    .text-lg-center { text-align: center !important; }
    .text-lg-right { text-align: right !important; }

    /* Responsive spacing */
    .p-lg-6 { padding: var(--spacing-6) !important; }
    .px-lg-6 { padding-left: var(--spacing-6) !important; padding-right: var(--spacing-6) !important; }
    .py-lg-6 { padding-top: var(--spacing-6) !important; padding-bottom: var(--spacing-6) !important; }
    .m-lg-0 { margin: 0 !important; }
    .mt-lg-0 { margin-top: 0 !important; }
    .mb-lg-6 { margin-bottom: var(--spacing-6) !important; }

    /* Responsive widths */
    .w-lg-auto { width: auto !important; }
    .w-lg-full { width: 100% !important; }
    .w-lg-50 { width: 50% !important; }
    .w-lg-33 { width: 33.333333% !important; }
    .w-lg-25 { width: 25% !important; }
}

/* ========================================
   EXTRA LARGE SCREENS (1200px+)
   ======================================== */

@media (min-width: 1200px) {
    /* Content max width */
    .main-content {
        max-width: 1400px;
    }

    /* Stats Grid - can go 5 columns on XL */
    .stats-grid.stats-grid-5 {
        grid-template-columns: repeat(5, 1fr);
    }

    /* Cards Grid - 4 columns */
    .cards-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    /* Responsive display utilities */
    .d-xl-none { display: none !important; }
    .d-xl-block { display: block !important; }
    .d-xl-flex { display: flex !important; }
    .d-xl-inline { display: inline !important; }
    .d-xl-inline-block { display: inline-block !important; }
    .d-xl-grid { display: grid !important; }

    /* Responsive grid columns */
    .grid-xl-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }
    .grid-xl-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)) !important; }
    .grid-xl-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)) !important; }
}

/* ========================================
   ULTRA WIDE SCREENS (1400px+)
   ======================================== */

@media (min-width: 1400px) {
    .main-content {
        max-width: 1600px;
    }

    /* Responsive display utilities */
    .d-xxl-none { display: none !important; }
    .d-xxl-block { display: block !important; }
    .d-xxl-flex { display: flex !important; }
    .d-xxl-grid { display: grid !important; }

    /* Responsive grid columns */
    .grid-xxl-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)) !important; }
    .grid-xxl-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)) !important; }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    .sidebar,
    .header,
    .mobile-menu-toggle,
    .btn,
    .table-filters,
    .no-print {
        display: none !important;
    }

    .main-wrapper {
        padding-left: 0 !important;
    }

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

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

    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }

    a {
        text-decoration: underline;
    }

    .data-table {
        min-width: auto !important;
    }

    .page-break {
        page-break-before: always;
    }
}

/* ========================================
   REDUCED MOTION
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ========================================
   DARK MODE SUPPORT (Future)
   ======================================== */

@media (prefers-color-scheme: dark) {
    /* Dark mode variables would go here when implemented */
    /* Currently using light mode only */
}

/* ========================================
   HIGH CONTRAST MODE
   ======================================== */

@media (prefers-contrast: high) {
    .card {
        border: 2px solid var(--neutral-900);
    }

    .btn {
        border: 2px solid currentColor;
    }

    .badge {
        border: 1px solid currentColor;
    }

    .form-input,
    .form-select,
    .form-textarea {
        border: 2px solid var(--neutral-900);
    }
}

/* ========================================
   HOVER/TOUCH DETECTION
   ======================================== */

/* For devices with hover capability */
@media (hover: hover) {
    .btn:hover {
        transform: translateY(-1px);
    }

    .card:hover {
        box-shadow: var(--shadow-lg);
    }

    .nav-link:hover {
        background-color: rgba(255, 255, 255, 0.1);
    }

    .data-table tbody tr:hover {
        background-color: var(--neutral-50);
    }
}

/* For touch devices */
@media (hover: none) {
    .btn:active {
        transform: scale(0.98);
    }

    /* Larger touch targets */
    .nav-link {
        min-height: 48px;
    }

    .btn {
        min-height: 48px;
    }

    .form-input,
    .form-select {
        min-height: 48px;
    }
}

/* ========================================
   LANDSCAPE MOBILE
   ======================================== */

@media (max-width: 767px) and (orientation: landscape) {
    .sidebar {
        max-height: 100vh;
        overflow-y: auto;
    }

    .main-content {
        padding: var(--spacing-3);
    }

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

/* ========================================
   SAFE AREA INSETS (iPhone X+)
   ======================================== */

@supports (padding: max(0px)) {
    .sidebar {
        padding-bottom: max(var(--spacing-4), env(safe-area-inset-bottom));
    }

    .main-content {
        padding-left: max(var(--spacing-4), env(safe-area-inset-left));
        padding-right: max(var(--spacing-4), env(safe-area-inset-right));
        padding-bottom: max(var(--spacing-4), env(safe-area-inset-bottom));
    }

    .header {
        padding-top: max(var(--spacing-3), env(safe-area-inset-top));
    }
}

/* ========================================
   CONTAINER QUERIES (Modern Browsers)
   ======================================== */

@supports (container-type: inline-size) {
    .card {
        container-type: inline-size;
    }

    @container (min-width: 400px) {
        .stat-card {
            flex-direction: row;
            justify-content: space-between;
        }
    }

    @container (max-width: 300px) {
        .stat-value {
            font-size: var(--font-size-xl);
        }

        .stat-icon {
            width: 40px;
            height: 40px;
        }
    }
}