:root,
[data-theme="olive"] {
    --oil-forest: #2d4a2b;
    --oil-leaf: #4a7c43;
    --oil-gold: #c9a227;
    --oil-cream: #f8f5ef;
    --oil-ink: #1f2d1e;
    --oil-muted: #6b7c6a;
    --oil-card: #ffffff;
    --oil-border: #e4dfd4;
    --oil-shadow: 0 8px 30px rgba(45, 74, 43, 0.08);
    --oil-sidebar-end: #1e3320;
    --oil-header-bg: #faf8f4;
    --oil-input-bg: #ffffff;
}

[data-theme="gold"] {
    --oil-forest: #5c4a1f;
    --oil-leaf: #b8860b;
    --oil-gold: #d4a017;
    --oil-cream: #faf6ee;
    --oil-ink: #2a2210;
    --oil-muted: #8a7a5a;
    --oil-card: #ffffff;
    --oil-border: #e8dfc8;
    --oil-shadow: 0 8px 30px rgba(92, 74, 31, 0.1);
    --oil-sidebar-end: #3d3015;
    --oil-header-bg: #faf6ee;
    --oil-input-bg: #ffffff;
}

[data-theme="ocean"] {
    --oil-forest: #1a4a5c;
    --oil-leaf: #2a8f9c;
    --oil-gold: #4ecdc4;
    --oil-cream: #f0f7f8;
    --oil-ink: #142a33;
    --oil-muted: #5a7a82;
    --oil-card: #ffffff;
    --oil-border: #d4e8ec;
    --oil-shadow: 0 8px 30px rgba(26, 74, 92, 0.1);
    --oil-sidebar-end: #0f3340;
    --oil-header-bg: #f0f7f8;
    --oil-input-bg: #ffffff;
}

[data-theme="terra"] {
    --oil-forest: #5c3d2e;
    --oil-leaf: #a0522d;
    --oil-gold: #cd853f;
    --oil-cream: #faf5f0;
    --oil-ink: #2e1f18;
    --oil-muted: #8a6e5c;
    --oil-card: #ffffff;
    --oil-border: #e8ddd4;
    --oil-shadow: 0 8px 30px rgba(92, 61, 46, 0.1);
    --oil-sidebar-end: #3d281e;
    --oil-header-bg: #faf5f0;
    --oil-input-bg: #ffffff;
}

[data-theme="slate"] {
    --oil-forest: #2f3e46;
    --oil-leaf: #52796f;
    --oil-gold: #84a98c;
    --oil-cream: #f4f5f6;
    --oil-ink: #1b2428;
    --oil-muted: #6b7c82;
    --oil-card: #ffffff;
    --oil-border: #dde3e6;
    --oil-shadow: 0 8px 30px rgba(47, 62, 70, 0.08);
    --oil-sidebar-end: #1e2a30;
    --oil-header-bg: #f4f5f6;
    --oil-input-bg: #ffffff;
}

[data-appearance="dark"] {
    --oil-cream: #141a16;
    --oil-ink: #e8ece9;
    --oil-muted: #9aab9e;
    --oil-card: #1c2420;
    --oil-border: #2e3a34;
    --oil-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
    --oil-header-bg: #1a221e;
    --oil-input-bg: #242e28;
}

[data-appearance="dark"] .sidebar {
    background: linear-gradient(180deg, #0f1512 0%, #0a0e0c 100%);
}

[data-appearance="dark"] .form-control,
[data-appearance="dark"] .form-select {
    background: var(--oil-input-bg);
    border-color: var(--oil-border);
    color: var(--oil-ink);
}

[data-appearance="dark"] .table-oil thead th {
    background: var(--oil-header-bg);
}

[data-appearance="dark"] .order-item-row {
    background: var(--oil-header-bg);
}

[data-appearance="dark"] .doc-tip {
    background: #1a2a1e;
}

[data-appearance="dark"] .doc-warning {
    background: #2a2418;
}

[data-appearance="dark"] .text-muted {
    color: var(--oil-muted) !important;
}

[data-appearance="dark"] .bg-light {
    background: var(--oil-header-bg) !important;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'DM Sans', system-ui, sans-serif;
    background: var(--oil-cream);
    color: var(--oil-ink);
}

.app-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: linear-gradient(180deg, var(--oil-forest) 0%, var(--oil-sidebar-end) 100%);
    color: #fff;
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}

.brand {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    padding: 0.5rem 0.25rem;
    max-height: 83px;
    overflow: hidden;
}

.brand-logo {
    max-width: 100%;
    max-height: 60px;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
    display: block;
}

.login-logo-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    max-height: 90px;
    overflow: hidden;
    padding: 0 0.5rem;
}

.login-logo {
    max-width: min(260px, 100%);
    max-height: 72px;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
}

.logo-preview-box {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    max-height: 80px;
    padding: 0.75rem;
    background: var(--oil-header-bg);
    border: 1px solid var(--oil-border);
    border-radius: 10px;
    overflow: hidden;
}

.logo-preview-img {
    max-width: 220px;
    max-height: 56px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    flex: 1;
}

.sidebar-nav a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    padding: 0.65rem 0.85rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 500;
    transition: all 0.2s;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: rgba(255,255,255,0.12);
    color: #fff;
}

.sidebar-footer { margin-top: auto; }

.main-content {
    padding: 1.5rem 2rem 2.5rem;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.page-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.75rem;
    margin: 0;
    color: var(--oil-forest);
}

.page-subtitle {
    color: var(--oil-muted);
    font-size: 0.95rem;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--oil-card);
    border: 1px solid var(--oil-border);
    border-radius: 16px;
    padding: 1.1rem 1.25rem;
    box-shadow: var(--oil-shadow);
}

.stat-card .label {
    color: var(--oil-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.stat-card .value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--oil-forest);
    margin-top: 0.25rem;
}

.card-panel {
    background: var(--oil-card);
    border: 1px solid var(--oil-border);
    border-radius: 16px;
    box-shadow: var(--oil-shadow);
    overflow: hidden;
}

.card-panel .card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--oil-border);
    font-weight: 600;
    background: var(--oil-header-bg);
}

.card-panel .card-body { padding: 1.25rem; }

.btn-oil {
    background: var(--oil-leaf);
    border-color: var(--oil-leaf);
    color: #fff;
}

.btn-oil:hover {
    background: var(--oil-forest);
    border-color: var(--oil-forest);
    color: #fff;
}

.badge-status {
    font-weight: 600;
    text-transform: capitalize;
}

.table-oil thead th {
    background: var(--oil-header-bg);
    color: var(--oil-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 1px solid var(--oil-border);
}

.product-thumb {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    object-fit: cover;
    background: #eee;
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background:
        radial-gradient(circle at 20% 20%, rgba(201,162,39,0.15), transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(74,124,67,0.2), transparent 45%),
        var(--oil-cream);
}

.login-card {
    width: min(420px, 92vw);
    background: var(--oil-card);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--oil-shadow);
    border: 1px solid var(--oil-border);
}

.login-card h1 {
    font-family: 'Playfair Display', serif;
    color: var(--oil-forest);
    font-size: 1.75rem;
}

.form-label { font-weight: 600; color: var(--oil-ink); }

.order-item-row {
    background: var(--oil-header-bg);
    border: 1px dashed var(--oil-border);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 0.75rem;
}

.sidebar-submenu-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.55;
    padding: 0.75rem 0.85rem 0.25rem;
    margin-top: 0.35rem;
    border-top: 1px solid rgba(255,255,255,0.12);
}

.sidebar-preview {
    font-size: 0.85rem;
    opacity: 0.8;
}

.sidebar-docs {
    margin-top: 0.5rem;
    border-top: 1px solid rgba(255,255,255,0.15);
    padding-top: 0.85rem !important;
}

.docs-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 1.5rem;
    align-items: start;
}

.docs-toc {
    position: sticky;
    top: 1rem;
}

.docs-toc .card-body {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.docs-toc a {
    color: var(--oil-forest);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.2rem 0;
}

.docs-toc a:hover {
    color: var(--oil-gold);
}

.doc-section {
    background: var(--oil-card);
    border: 1px solid var(--oil-border);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--oil-shadow);
}

.doc-section h2 {
    font-family: 'Playfair Display', serif;
    color: var(--oil-forest);
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
}

.doc-section h3 {
    font-size: 1.05rem;
    margin-top: 1.25rem;
    color: var(--oil-leaf);
}

.doc-screenshot {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--oil-border);
    margin: 1rem 0;
    box-shadow: var(--oil-shadow);
}

.doc-tip, .doc-warning {
    border-radius: 10px;
    padding: 0.85rem 1rem;
    margin: 1rem 0;
    font-size: 0.95rem;
}

.doc-tip {
    background: #edf5eb;
    border-left: 4px solid var(--oil-leaf);
}

.doc-warning {
    background: #fff8e6;
    border-left: 4px solid var(--oil-gold);
}

.doc-section ol, .doc-section ul {
    padding-left: 1.25rem;
}

.doc-section li {
    margin-bottom: 0.35rem;
}

/* Settings tabs */
.settings-tabs .nav-link {
    color: var(--oil-ink);
    border-radius: 10px;
    margin-right: 0.35rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.settings-tabs .nav-link.active {
    background: var(--oil-leaf);
    color: #fff;
}

.theme-picker {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
}

.theme-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    padding: 0.85rem;
    border: 2px solid var(--oil-border);
    border-radius: 12px;
    cursor: pointer;
    text-align: center;
    transition: border-color 0.2s;
}

.theme-option:has(input:checked) {
    border-color: var(--oil-leaf);
    background: var(--oil-header-bg);
}

.theme-option input { display: none; }

.theme-swatch {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid rgba(0,0,0,0.08);
}

.theme-swatch-olive { background: linear-gradient(135deg, #2d4a2b, #c9a227); }
.theme-swatch-gold { background: linear-gradient(135deg, #5c4a1f, #d4a017); }
.theme-swatch-ocean { background: linear-gradient(135deg, #1a4a5c, #4ecdc4); }
.theme-swatch-terra { background: linear-gradient(135deg, #5c3d2e, #cd853f); }
.theme-swatch-slate { background: linear-gradient(135deg, #2f3e46, #84a98c); }

.theme-label { font-weight: 600; font-size: 0.9rem; }

.appearance-picker {
    display: flex;
    gap: 0.75rem;
}

.appearance-option {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: 2px solid var(--oil-border);
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
}

.appearance-option:has(input:checked) {
    border-color: var(--oil-leaf);
    background: var(--oil-header-bg);
}

.appearance-option input { display: none; }

/* Dark / light toggle */
.appearance-switch-btn {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--oil-card);
    border: 1px solid var(--oil-border);
    border-radius: 999px;
    padding: 0.35rem 0.5rem 0.35rem 0.75rem;
    cursor: pointer;
    color: var(--oil-ink);
}

.appearance-icon-light,
.appearance-icon-dark {
    font-size: 0.95rem;
    z-index: 1;
}

[data-appearance="light"] .appearance-icon-dark { opacity: 0.35; }
[data-appearance="dark"] .appearance-icon-light { opacity: 0.35; }

.appearance-switch-track {
    width: 36px;
    height: 20px;
    background: var(--oil-border);
    border-radius: 999px;
    position: relative;
    display: inline-block;
}

.appearance-switch-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background: var(--oil-leaf);
    border-radius: 50%;
    transition: transform 0.2s ease;
}

[data-appearance="dark"] .appearance-switch-thumb {
    transform: translateX(16px);
}

@media (max-width: 900px) {
    .docs-layout { grid-template-columns: 1fr; }
    .docs-toc { position: static; }
    .app-shell { grid-template-columns: 1fr; }
    .sidebar {
        position: static;
        height: auto;
    }
    .main-content { padding: 1rem; }
    .brand { max-height: 74px; }
    .brand-logo { max-height: 51px; }
}