html, body {
    overflow-x: hidden;
}

:root {
    --app-bg: #f3f5f7;
    --surface: rgba(255, 255, 255, 0.88);
    --surface-solid: #ffffff;
    --surface-soft: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-soft: rgba(15, 23, 42, 0.08);
    --border-strong: rgba(15, 23, 42, 0.14);
    --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.05);
    --shadow-medium: 0 16px 40px rgba(15, 23, 42, 0.08);
    --radius-xl: 24px;
    --radius-lg: 20px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --brand-dark: #1e293b;
    --brand-dark-2: #111827;
    --success: #2f855a;
    --danger: #d64545;
    --warning: #e2a93b;
}

body {
    background:
        radial-gradient(circle at top left, rgba(255,255,255,0.7), transparent 30%),
        radial-gradient(circle at top right, rgba(255,255,255,0.55), transparent 25%),
        var(--app-bg);
    color: var(--text-main);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container,
.container-fluid {
    width: 100%;
}

a {
    text-decoration: none;
}

.card {
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-soft) !important;
    background: var(--surface);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
}

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

.card-body {
    padding: 1.25rem;
}

.btn {
    min-height: 44px;
    border-radius: 14px;
    padding: 0.72rem 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.btn-dark {
    background: linear-gradient(180deg, #232b38 0%, #171d27 100%);
    border-color: #171d27;
    color: #fff;
}

.btn-dark:hover {
    background: linear-gradient(180deg, #1c2430 0%, #111827 100%);
    border-color: #111827;
}

.btn-outline-dark {
    border-color: var(--border-strong);
    color: var(--text-main);
    background: rgba(255,255,255,0.7);
}

.btn-outline-dark:hover {
    background: rgba(255,255,255,1);
    color: var(--text-main);
}

.btn-outline-success {
    border-color: rgba(47, 133, 90, 0.45);
    color: var(--success);
    background: rgba(255,255,255,0.7);
}

.btn-outline-danger {
    border-color: rgba(214, 69, 69, 0.35);
    color: var(--danger);
    background: rgba(255,255,255,0.7);
}

.form-control,
.form-select,
textarea {
    min-height: 46px;
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.10);
    background: rgba(255,255,255,0.95);
    color: var(--text-main);
}

textarea.form-control {
    min-height: 120px;
}

.form-control:focus,
.form-select:focus,
textarea:focus {
    border-color: rgba(59, 130, 246, 0.35);
    box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.10);
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 18px;
}

.table {
    margin-bottom: 0;
}

.table th,
.table td {
    vertical-align: middle;
    border-color: rgba(15, 23, 42, 0.06);
}

.table thead th {
    background: rgba(248, 250, 252, 0.9);
    color: #334155;
    font-weight: 700;
    white-space: nowrap;
    font-size: 0.95rem;
}

.alert {
    border-radius: 16px;
}

.badge {
    font-size: 0.8rem;
    padding: 0.48em 0.75em;
    border-radius: 999px;
}

.navbar {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.navbar-brand {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.navbar .nav-link {
    font-size: 1rem;
    font-weight: 500;
}

.navbar .btn {
    min-height: auto;
}

.page-title {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.045em;
    line-height: 1.05;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 1.02rem;
}

.ios-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-start;
    justify-content: space-between;
}

.ios-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.6rem 0.85rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.85);
    border: 1px solid var(--border-soft);
    color: #334155;
    font-size: 0.92rem;
    box-shadow: var(--shadow-soft);
}

.ios-filter-card {
    background: rgba(255,255,255,0.80);
}

.ios-table-card {
    background: rgba(255,255,255,0.88);
}

.ios-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.product-thumb {
    width: 72px;
    height: 72px;
    object-fit: contain;
    object-position: center;
    background: #fff;
    border-radius: 14px;
}

.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Catalog */
.catalog-grid-card {
    height: 100%;
    border-radius: 24px;
    overflow: hidden;
    background: rgba(255,255,255,0.88);
}

.catalog-image-wrap {
    height: 280px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
    overflow: hidden;
}

.catalog-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
}

.catalog-no-image {
    height: 280px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6c757d;
    font-size: 1.05rem;
}

.catalog-card-body {
    display: flex;
    flex-direction: column;
    min-height: 315px;
}

.catalog-title {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.6rem;
}

.catalog-price {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 0.6rem;
}

.catalog-meta {
    font-size: 0.97rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.catalog-specs {
    font-size: 0.98rem;
    color: #475569;
    line-height: 1.55;
    white-space: normal;
    word-break: break-word;
}

.qty-box {
    max-width: 120px;
}

.list-group-item {
    border-radius: 16px !important;
    margin-bottom: 10px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(255,255,255,0.92);
}

.mobile-stack-gap > * + * {
    margin-top: 0.75rem;
}

@media (max-width: 1399.98px) {
    .page-title {
        font-size: 2.7rem;
    }
}

@media (max-width: 1199.98px) {
    .navbar-brand {
        font-size: 1.45rem;
    }

    .page-title {
        font-size: 2.35rem;
    }

    .catalog-image-wrap,
    .catalog-no-image {
        height: 250px;
    }

    .catalog-card-body {
        min-height: 330px;
    }
}

@media (max-width: 991.98px) {
    .navbar-brand {
        font-size: 1.28rem;
    }

    .card-body {
        padding: 1rem;
    }

    .page-title {
        font-size: 2rem;
    }

    .btn {
        width: 100%;
    }

    .ios-actions {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    .ios-actions > * {
        width: 100%;
    }

    .catalog-image-wrap,
    .catalog-no-image {
        height: 220px;
    }

    .catalog-card-body {
        min-height: auto;
    }
}

@media (max-width: 767.98px) {
    body {
        font-size: 15px;
    }

    .container,
    .container-fluid {
        padding-left: 14px !important;
        padding-right: 14px !important;
    }

    .page-title {
        font-size: 1.72rem;
        line-height: 1.15;
    }

    h2, .h2 {
        font-size: 1.65rem;
    }

    h4, .h4 {
        font-size: 1.22rem;
    }

    .catalog-image-wrap,
    .catalog-no-image {
        height: 190px;
        padding: 12px;
    }

    .product-thumb {
        width: 60px;
        height: 60px;
    }

    .table-responsive table {
        min-width: 760px;
    }

    .mobile-full {
        width: 100%;
    }

    .mobile-center {
        text-align: center;
    }

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

    .d-flex.mobile-column,
    .mobile-column {
        flex-direction: column !important;
        align-items: stretch !important;
    }

    .mobile-column > * {
        width: 100%;
    }

    .ios-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 575.98px) {
    .navbar-brand {
        font-size: 1.08rem;
    }

    .btn {
        padding: 0.78rem 0.92rem;
    }

    .form-control,
    .form-select {
        font-size: 16px;
    }

    .card {
        border-radius: 18px;
    }

    .catalog-image-wrap,
    .catalog-no-image {
        height: 175px;
    }

    .page-title {
        font-size: 1.5rem;
    }

    .catalog-title {
        font-size: 1.05rem;
    }

    .catalog-price {
        font-size: 1rem;
    }
}