:root {
    --bg: #050505;
    --panel: #111111;
    --panel-2: #171717;
    --text: #f7f7f7;
    --muted: #b8b8b8;
    --line: #252525;
    --primary: #ffad12;
    --primary-dark: #e89500;
    --danger: #ff665c;
    --ok-bg: #12291f;
    --err-bg: #2b1514;
    --radius: 8px;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    line-height: 1.45;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 64px;
    padding: 0 24px;
    background: #000;
    border-bottom: 1px solid var(--line);
}
.brand {
    display: inline-flex;
    align-items: baseline;
    gap: 2px;
    color: #fff;
    font-weight: 800;
    font-size: 21px;
    letter-spacing: .02em;
}
.brand strong { color: var(--primary); }
.nav {
    display: flex;
    align-items: center;
    gap: 14px;
}
.nav a { color: #fff; font-weight: 700; }
.menu-toggle { display: none; }

.container {
    width: min(1180px, calc(100% - 32px));
    margin: 28px auto;
}
.page-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 18px;
}
h1, h2, h3 { margin: 0 0 8px; line-height: 1.2; }
h1 { font-size: 28px; }
h2 { font-size: 20px; }
p { margin: 0 0 12px; }

.panel, .card, .auth-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, .22);
}
.narrow, .auth-card { max-width: 640px; margin: 32px auto; }
.auth-card { max-width: 440px; }
.muted, .hint { color: var(--muted); font-size: 13px; }
.hint { display: block; margin-top: 4px; }

.button, button.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 9px 14px;
    border: 0;
    border-radius: 6px;
    background: var(--primary);
    color: #050505;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
}
.button:hover { background: var(--primary-dark); text-decoration: none; }
.button.secondary { background: #252525; color: #fff; }
.button.light { background: #fff; color: #050505; }
.button.ghost { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.32); }
.button.small { min-height: 32px; padding: 6px 10px; font-size: 13px; }
.button:disabled, button:disabled {
    cursor: not-allowed;
    opacity: .55;
}
.actions, .form-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.link-button {
    border: 0;
    background: transparent;
    color: var(--primary);
    cursor: pointer;
    padding: 0;
}
.link-danger { color: var(--danger); }

.alert {
    border-radius: var(--radius);
    padding: 12px 14px;
    margin-bottom: 14px;
    border: 1px solid var(--line);
}
.alert-success { background: var(--ok-bg); }
.alert-error { background: var(--err-bg); color: var(--danger); }

label { display: grid; gap: 6px; font-weight: 700; }
input, select, textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 10px 11px;
    background: #090909;
    color: var(--text);
    font: inherit;
}
textarea { resize: vertical; }
.grid-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}
.grid-form .full, .full { grid-column: 1 / -1; }
.stack { display: grid; gap: 12px; }
.check-line {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}
.check-line input { width: auto; }
.check-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 8px;
    margin-top: 12px;
}
.fieldset {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px;
}
.fieldset legend { font-weight: 800; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .02em; }

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}
.product-card {
    display: grid;
    gap: 10px;
}
.product-card img, .product-detail img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 6px;
    background: #0b0b0b;
}
.product-detail {
    display: grid;
    grid-template-columns: minmax(180px, 300px) 1fr;
    gap: 18px;
    margin-bottom: 18px;
}

.stats-grid, .split-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}
.split-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 16px; }
.stat-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px;
    color: var(--text);
}
.stat-card span { display: block; color: var(--muted); margin-bottom: 8px; }
.stat-card strong { font-size: 30px; }

.filters {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.filters a, .tag, .status {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    padding: 3px 8px;
    border-radius: 999px;
    background: #222;
    color: #fff;
    font-size: 13px;
}
.item-box {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px;
    margin: 10px 0;
}
.item-box.compact { padding: 10px; }
.summary-row {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 0;
    border-top: 1px solid var(--line);
}
.timeline { display: grid; gap: 12px; padding-left: 20px; }
.timeline span { display: block; color: var(--muted); font-size: 13px; }
.inline-form { display: inline; }

.product-editor {
    padding: 0;
    overflow: hidden;
}
.tabs {
    display: flex;
    gap: 6px;
    padding: 12px;
    border-bottom: 1px solid var(--line);
    overflow-x: auto;
}
.tab-button {
    min-height: 38px;
    padding: 8px 13px;
    border: 1px solid transparent;
    border-radius: 999px;
    background: transparent;
    color: var(--muted);
    font-weight: 800;
    cursor: pointer;
    white-space: nowrap;
}
.tab-button.active {
    background: var(--primary);
    color: #050505;
}
.tab-button.advanced {
    margin-left: auto;
}
.tab-button:disabled {
    opacity: .35;
    cursor: not-allowed;
}
.tab-panel {
    display: none;
    padding: 22px;
}
.tab-panel.active { display: block; }
.editor-intro {
    margin-bottom: 18px;
}
.editor-intro p { color: var(--muted); }
.editor-savebar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding: 14px 22px;
    border-top: 1px solid var(--line);
    background: #0b0b0b;
}
.editor-savebar span { color: var(--muted); }
.editor-check {
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #0b0b0b;
}
.option-workspace {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}
.editor-card {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 16px;
    background: #0b0b0b;
}
.emphasis-card {
    border-color: rgba(255, 173, 18, .28);
}
.compact-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}
.option-list, .rule-list {
    display: grid;
    gap: 12px;
}
.option-group-card {
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #0b0b0b;
    overflow: hidden;
}
.option-group-card summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    cursor: pointer;
    list-style: none;
}
.option-group-card summary::-webkit-details-marker { display: none; }
.option-group-card summary small {
    display: block;
    margin-top: 2px;
    color: var(--muted);
}
.group-edit-form, .option-edit-row {
    display: grid;
    grid-template-columns: minmax(160px, 1fr) 140px 90px auto auto auto;
    gap: 8px;
    align-items: center;
    padding: 12px 16px;
    border-top: 1px solid var(--line);
}
.option-edit-row {
    grid-template-columns: minmax(160px, 1fr) 130px 90px 80px auto auto;
}
.rule-card {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 13px 14px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #0b0b0b;
}
.eyebrow.dark {
    color: var(--primary);
    opacity: 1;
}

.hero-panel {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 20px;
    padding: 28px;
    margin-bottom: 18px;
    border-radius: 12px;
    color: #fff;
    background:
        radial-gradient(circle at 1px 1px, rgba(255,255,255,.16) 1px, transparent 0) 0 0 / 14px 14px,
        linear-gradient(135deg, #0a0a0a 0%, #181818 100%);
    box-shadow: 0 16px 36px rgba(0, 0, 0, .36);
}
.client-hero { background:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,.14) 1px, transparent 0) 0 0 / 14px 14px,
    linear-gradient(135deg, #080808 0%, #1b1b1b 100%);
}
.admin-hero { background:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,.14) 1px, transparent 0) 0 0 / 14px 14px,
    linear-gradient(135deg, #050505 0%, #191919 100%);
}
.hero-panel h1 {
    max-width: 680px;
    margin-bottom: 8px;
    font-size: 34px;
}
.hero-panel p { max-width: 680px; color: rgba(255,255,255,.82); }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.eyebrow {
    display: inline-block;
    margin-bottom: 8px;
    color: inherit;
    opacity: .72;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .08em;
}
.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}
.metric-card {
    display: grid;
    gap: 6px;
    min-height: 136px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel);
    color: var(--text);
    text-decoration: none;
}
.metric-card:hover {
    border-color: var(--primary);
    text-decoration: none;
}
.metric-card span { color: var(--muted); font-weight: 800; }
.metric-card strong { font-size: 34px; line-height: 1; }
.metric-card small { color: var(--muted); }
.metric-card.urgent {
    border-color: rgba(255, 173, 18, .5);
    background: #18130a;
}
.dashboard-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(320px, .9fr);
    gap: 16px;
    margin-bottom: 18px;
}
.section-title {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 12px;
}
.section-title p { color: var(--muted); margin: 0; }
.list-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 12px;
    align-items: center;
    padding: 12px 0;
    color: var(--text);
    border-top: 1px solid var(--line);
}
.list-row:first-of-type { border-top: 0; }
.list-row:hover { text-decoration: none; }
.list-row small { display: block; color: var(--muted); margin-top: 2px; }
.quick-actions {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}
.quick-card {
    display: grid;
    gap: 6px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel);
    color: var(--text);
}
.quick-card span { color: var(--muted); }
.empty-state {
    padding: 18px;
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    color: var(--muted);
    background: #0a0a0a;
}
.config-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 16px;
    align-items: start;
}
.product-config-panel { padding: 0; overflow: hidden; }
.product-config-panel .product-detail,
.product-config-panel form { padding: 20px; }
.compact-detail {
    margin: 0;
    border-bottom: 1px solid var(--line);
}
.info-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}
.info-strip span {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 4px 9px;
    border-radius: 999px;
    background: rgba(255, 173, 18, .14);
    color: var(--primary);
    font-size: 13px;
    font-weight: 800;
}
.price-summary {
    position: sticky;
    top: 84px;
}
.price-summary h2 {
    margin-bottom: 4px;
    font-size: 34px;
    color: var(--primary);
}
.price-summary dl { margin: 16px 0 0; }
.price-summary dl div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    border-top: 1px solid var(--line);
}
.price-summary dt { color: var(--muted); }
.price-summary dd { margin: 0; font-weight: 800; }
.option-fieldset {
    display: grid;
    gap: 8px;
}
.option-choice {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #0b0b0b;
    font-weight: 400;
}
.option-choice input { width: auto; margin-top: 3px; }
.option-choice small { display: block; color: var(--muted); margin-top: 2px; }
.validation-list {
    display: grid;
    gap: 8px;
    margin-top: 14px;
}
.validation-item {
    padding: 9px 10px;
    border-radius: 6px;
    background: #2b1514;
    color: var(--danger);
    font-size: 13px;
    font-weight: 700;
}

@media (max-width: 820px) {
    .container { width: min(100% - 20px, 1180px); margin: 18px auto; }
    .page-head, .product-detail { grid-template-columns: 1fr; display: grid; }
    .grid-form, .split-grid, .stats-grid, .metric-grid, .dashboard-grid, .quick-actions, .config-layout { grid-template-columns: 1fr; }
    .hero-panel {
        align-items: flex-start;
        flex-direction: column;
        padding: 22px;
    }
    .hero-panel h1 { font-size: 28px; }
    .price-summary { position: static; }
    .list-row { grid-template-columns: 1fr; }
    .option-workspace, .compact-grid { grid-template-columns: 1fr; }
    .group-edit-form, .option-edit-row {
        grid-template-columns: 1fr;
    }
    .tab-button.advanced { margin-left: 0; }
    .editor-savebar {
        align-items: stretch;
        flex-direction: column;
    }
    .menu-toggle {
        display: inline-flex;
        border: 1px solid var(--line);
        background: #171717;
        color: #fff;
        border-radius: 6px;
        padding: 8px 10px;
    }
    .nav {
        display: none;
        position: absolute;
        left: 12px;
        right: 12px;
        top: 64px;
        background: #0b0b0b;
        border: 1px solid var(--line);
        border-radius: var(--radius);
        padding: 12px;
        align-items: stretch;
        flex-direction: column;
    }
    .nav.open { display: flex; }
}