/* ===== MFG - Design System ===== */
:root {
    --primary: #000666;
    --primary-container: #1a237e;
    --on-primary: #ffffff;
    --on-primary-container: #8690ee;
    --secondary: #48626e;
    --secondary-container: #cbe7f5;
    --on-secondary: #ffffff;
    --on-secondary-fixed: #021f29;
    --tertiary: #380b00;
    --tertiary-container: #5c1800;
    --tertiary-fixed: #ffdbd0;
    --on-tertiary-fixed: #390c00;
    --surface: #f8f9fa;
    --surface-container-low: #f3f4f5;
    --surface-container: #edeeef;
    --surface-container-high: #e7e8e9;
    --surface-container-highest: #e1e3e4;
    --surface-container-lowest: #ffffff;
    --on-surface: #191c1d;
    --on-surface-variant: #454652;
    --outline: #767683;
    --outline-variant: #c6c5d4;
    --error: #ba1a1a;
    --error-container: #ffdad6;
    --inverse-primary: #bdc2ff;
    --font-display: 'Manrope', sans-serif;
    --font-body: 'Inter', sans-serif;
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 3px rgba(25,28,29,0.06);
    --shadow-md: 0 4px 16px rgba(25,28,29,0.06);
    --shadow-lg: 0 8px 32px rgba(25,28,29,0.06);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--font-body);
    background: var(--surface);
    color: var(--on-surface);
    font-size: 0.875rem;
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Navigation ===== */
.il-nav {
    background: var(--surface-container-lowest);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.il-nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    height: 64px;
    gap: 2rem;
}

.il-logo {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--primary-container);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}
.il-logo:hover { text-decoration: none; }

.il-nav-links {
    display: flex;
    gap: 0.25rem;
    flex: 1;
}

.il-nav-link {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    color: var(--on-surface-variant);
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.2s;
}
.il-nav-link:hover { background: var(--surface-container-low); color: var(--on-surface); text-decoration: none; }
.il-nav-link.active { background: var(--primary); color: var(--on-primary); }
.il-nav-link .material-icons-outlined { font-size: 1.25rem; }

.il-nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.il-lang-switch {
    display: flex;
    gap: 0.125rem;
    background: var(--surface-container-low);
    padding: 0.125rem;
    border-radius: var(--radius-md);
}
.il-lang-btn {
    padding: 0.25rem 0.5rem;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--on-surface-variant);
    cursor: pointer;
    transition: all 0.2s;
}
.il-lang-btn:hover { color: var(--on-surface); }
.il-lang-btn.active { background: var(--surface-container-lowest); color: var(--primary); box-shadow: var(--shadow-sm); }

.il-nav-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--on-surface-variant);
}

.il-badge {
    background: var(--primary);
    color: var(--on-primary);
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.25rem;
}

/* ===== Main ===== */
.il-main {
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

/* ===== Footer ===== */
.il-footer {
    background: var(--surface-container-high);
    padding: 1.5rem 2rem;
    margin-top: auto;
}

.il-footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--on-surface-variant);
    font-size: 0.8125rem;
}

.il-footer-links { display: flex; gap: 1.5rem; }
.il-footer-links a { color: var(--on-surface-variant); }

/* ===== Cards ===== */
.il-card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s;
}
.il-card:hover { box-shadow: var(--shadow-md); }

/* ===== Buttons ===== */
.il-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-lg);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.875rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}
.il-btn:hover { text-decoration: none; }

.il-btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    color: var(--on-primary);
}
.il-btn-primary:hover { opacity: 0.9; color: var(--on-primary); }

.il-btn-secondary {
    background: var(--surface-container-highest);
    color: var(--on-surface);
}
.il-btn-secondary:hover { background: var(--surface-container-high); }

.il-btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid rgba(198,197,212,0.3);
}
.il-btn-outline:hover { background: var(--surface-container-low); }

.il-btn-danger {
    background: var(--error);
    color: #fff;
}

.il-btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }
.il-btn-lg { padding: 0.75rem 1.75rem; font-size: 1rem; }

.il-btn .material-icons-outlined { font-size: 1.125rem; }

/* ===== Form Elements ===== */
.il-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.il-input-group .material-icons-outlined {
    position: absolute;
    left: 1rem;
    color: var(--outline);
    font-size: 1.25rem;
}

.il-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 3rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    border: none;
    border-radius: var(--radius-lg);
    background: var(--surface-container-low);
    color: var(--on-surface);
    outline: none;
    transition: all 0.2s;
}
.il-input:focus {
    background: var(--surface-container-lowest);
    box-shadow: 0 0 0 2px rgba(0,6,102,0.15);
}
.il-input::placeholder { color: var(--outline); }

.il-input-plain {
    padding-left: 1rem;
}

/* ===== Status Badges ===== */
.il-status { padding: 0.25rem 0.75rem; border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 600; display: inline-flex; align-items: center; gap: 0.25rem; }
.il-status-shipped { background: var(--secondary-container); color: var(--on-secondary-fixed); }
.il-status-processing { background: var(--tertiary-fixed); color: var(--on-tertiary-fixed); }
.il-status-delivered { background: #d4edda; color: #155724; }
.il-status-cancelled { background: var(--error-container); color: var(--error); }
.il-status-pendingapproval { background: #fff3cd; color: #856404; }
.il-status-instock { background: #d4edda; color: #155724; }
.il-status-lowstock { background: var(--tertiary-fixed); color: var(--on-tertiary-fixed); }

/* ===== Headings ===== */
.il-page-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.75rem;
    color: var(--on-surface);
    margin-bottom: 0.25rem;
}

.il-page-subtitle {
    color: var(--on-surface-variant);
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

/* ===== Grid ===== */
.il-grid { display: grid; gap: 1.5rem; }
.il-grid-2 { grid-template-columns: repeat(2, 1fr); }
.il-grid-3 { grid-template-columns: repeat(3, 1fr); }
.il-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ===== Product Card ===== */
.il-product-card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
}
.il-product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.il-product-img {
    height: 200px;
    background: var(--surface-container-low);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.il-product-img .material-icons-outlined { font-size: 3rem; color: var(--outline); }
.il-product-img .il-status { position: absolute; top: 0.75rem; right: 0.75rem; }

.il-product-info { padding: 1rem 1.25rem; }
.il-product-name { font-family: var(--font-display); font-weight: 700; font-size: 1rem; margin-bottom: 0.125rem; }
.il-product-sku { color: var(--outline); font-size: 0.75rem; margin-bottom: 0.5rem; }
.il-product-price { font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; color: var(--primary-container); }
.il-product-price span { font-size: 0.75rem; font-weight: 400; color: var(--outline); }

.il-size-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.il-size-input {
    text-align: center;
}

.il-size-input label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--outline);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
}

.il-size-input input {
    width: 100%;
    padding: 0.375rem;
    text-align: center;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--surface-container-low);
    font-family: var(--font-body);
    font-size: 0.8125rem;
    outline: none;
    transition: all 0.2s;
}
.il-size-input input:focus {
    background: var(--surface-container-lowest);
    box-shadow: 0 0 0 2px rgba(0,6,102,0.15);
}

.il-product-actions {
    padding: 0.75rem 1.25rem;
    display: flex;
    gap: 0.5rem;
}

/* ===== Catalog Layout ===== */
.il-catalog-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 2rem;
}

.il-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.il-filter-section h4 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
    color: var(--on-surface);
}

.il-filter-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0;
    cursor: pointer;
    font-size: 0.8125rem;
    color: var(--on-surface-variant);
    transition: color 0.2s;
}
.il-filter-option:hover { color: var(--on-surface); }
.il-filter-option input[type="checkbox"],
.il-filter-option input[type="radio"] { accent-color: var(--primary); }

/* ===== Stats Cards ===== */
.il-stat-card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
}
.il-stat-label { font-size: 0.75rem; color: var(--outline); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }
.il-stat-value { font-family: var(--font-display); font-weight: 800; font-size: 1.75rem; color: var(--on-surface); margin-top: 0.25rem; }
.il-stat-icon { color: var(--on-primary-container); }

/* ===== Table ===== */
.il-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}
.il-table th {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--outline);
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: none;
}
.il-table td {
    padding: 1rem;
    vertical-align: middle;
}
.il-table tbody tr {
    transition: background 0.2s;
}
.il-table tbody tr:nth-child(odd) { background: var(--surface-container-lowest); }
.il-table tbody tr:nth-child(even) { background: var(--surface-container-low); }
.il-table tbody tr:hover { background: var(--surface-container); }

/* ===== Tabs / Filters ===== */
.il-tabs {
    display: flex;
    gap: 0.25rem;
    background: var(--surface-container-low);
    padding: 0.25rem;
    border-radius: var(--radius-lg);
    width: fit-content;
}
.il-tab {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.8125rem;
    cursor: pointer;
    border: none;
    background: transparent;
    color: var(--on-surface-variant);
    transition: all 0.2s;
}
.il-tab:hover { background: var(--surface-container); }
.il-tab.active { background: var(--surface-container-lowest); color: var(--on-surface); box-shadow: var(--shadow-sm); }

/* ===== Sort Bar ===== */
.il-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.il-select {
    padding: 0.5rem 0.75rem;
    border: none;
    border-radius: var(--radius-md);
    background: var(--surface-container-low);
    font-family: var(--font-body);
    font-size: 0.8125rem;
    color: var(--on-surface);
    outline: none;
    cursor: pointer;
}

/* ===== Shipment Timeline ===== */
.il-timeline { position: relative; padding-left: 2rem; }
.il-timeline::before { content: ''; position: absolute; left: 0.5rem; top: 0; bottom: 0; width: 2px; background: var(--outline-variant); }
.il-timeline-item { position: relative; padding-bottom: 1.5rem; }
.il-timeline-item::before {
    content: '';
    position: absolute;
    left: -1.625rem;
    top: 0.25rem;
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background: var(--outline-variant);
    border: 2px solid var(--surface-container-lowest);
}
.il-timeline-item.active::before { background: var(--primary); }
.il-timeline-time { font-size: 0.75rem; color: var(--outline); margin-bottom: 0.125rem; }
.il-timeline-desc { font-weight: 500; }
.il-timeline-location { font-size: 0.8125rem; color: var(--on-surface-variant); }

/* ===== Cart ===== */
.il-cart-layout { display: grid; grid-template-columns: 1fr 380px; gap: 2rem; }
.il-cart-item {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    gap: 1.25rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
}
.il-cart-thumb {
    width: 100px;
    height: 100px;
    background: var(--surface-container-low);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.il-cart-thumb .material-icons-outlined { font-size: 2rem; color: var(--outline); }
.il-cart-details { flex: 1; }

.il-summary {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 80px;
}
.il-summary-row { display: flex; justify-content: space-between; padding: 0.5rem 0; font-size: 0.875rem; }
.il-summary-total { font-family: var(--font-display); font-weight: 800; font-size: 1.5rem; border-top: 2px solid var(--surface-container-high); margin-top: 0.5rem; padding-top: 1rem; }

/* ===== Order Detail ===== */
.il-order-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.il-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
.il-detail-label { font-size: 0.75rem; color: var(--outline); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }
.il-detail-value { font-weight: 500; margin-top: 0.25rem; }

/* ===== Login ===== */
.il-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('/img/bg.jpg') center/cover no-repeat fixed;
    padding: 2rem;
}

.il-login-card {
    background: rgba(248,249,250,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: 3rem;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
}

.il-login-logo {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.75rem;
    color: var(--primary-container);
    text-align: center;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.il-login-subtitle {
    text-align: center;
    color: var(--on-surface-variant);
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.il-login-form { display: flex; flex-direction: column; gap: 1rem; }

.il-forgot-link {
    text-align: right;
    font-size: 0.8125rem;
    margin-top: -0.5rem;
}

.il-login-divider {
    text-align: center;
    color: var(--outline);
    font-size: 0.8125rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(198,197,212,0.3);
}

.il-login-divider .material-icons-outlined { font-size: 1rem; vertical-align: middle; margin-right: 0.25rem; color: var(--primary); }

.il-error {
    background: var(--error-container);
    color: var(--error);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 500;
}

/* ===== Tier Progress ===== */
.il-tier-bar {
    height: 6px;
    background: var(--surface-container-high);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-top: 0.5rem;
}
.il-tier-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

/* ===== Animations ===== */
.il-fade-in { animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ===== Skeleton Loading ===== */
.il-skeleton {
    background: linear-gradient(90deg, var(--surface-container-low) 25%, var(--surface-container) 50%, var(--surface-container-low) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.il-skeleton-card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.il-skeleton-img { height: 200px; }
.il-skeleton-line { height: 0.875rem; margin: 0.5rem 1.25rem; border-radius: var(--radius-sm); }
.il-skeleton-line.short { width: 40%; }
.il-skeleton-line.medium { width: 65%; }
.il-skeleton-sizes { display: grid; grid-template-columns: repeat(4,1fr); gap: 0.5rem; padding: 0.75rem 1.25rem; }
.il-skeleton-sizes div { height: 2.5rem; border-radius: var(--radius-sm); }
.il-skeleton-btn { height: 2.25rem; margin: 0.75rem 1.25rem; border-radius: var(--radius-lg); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .il-catalog-layout { grid-template-columns: 1fr; }
    .il-sidebar { display: none; }
    .il-cart-layout { grid-template-columns: 1fr; }
    .il-detail-grid { grid-template-columns: 1fr; }
    .il-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .il-grid-3, .il-grid-4 { grid-template-columns: 1fr; }
    .il-grid-2 { grid-template-columns: 1fr; }
    .il-nav-inner { padding: 0 1rem; }
    .il-main { padding: 1rem; }
}