:root {
    --bg: #f6f7f9;
    --fg: #1f2937;
    --muted: #6b7280;
    --border: #e5e7eb;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --danger-bg: #fef2f2;
    --danger-fg: #991b1b;
    --success-bg: #ecfdf5;
    --success-fg: #065f46;
    --radius: 10px;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f172a;
        --fg: #e5e7eb;
        --muted: #9ca3af;
        --border: #1f2937;
        --accent: #60a5fa;
        --accent-hover: #93c5fd;
        --danger-bg: #2a1212;
        --danger-fg: #fca5a5;
        --success-bg: #0f2a1f;
        --success-fg: #6ee7b7;
    }
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--fg);
    font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.container {
    max-width: 540px;
    margin: 0 auto;
    padding: 32px 20px 48px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}
.brand .logo {
    display: block;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
}
.brand h1 { font-size: 18px; margin: 0; font-weight: 600; }

.card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px 22px;
}

@media (prefers-color-scheme: dark) {
    .card { background: #111827; }
}

.card h2 { margin-top: 0; font-size: 22px; }
.card .lede { color: var(--muted); margin-bottom: 20px; }

form label {
    display: block;
    margin-bottom: 14px;
}
form label > span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
form input[type="text"], form input[type="password"], form input[type="email"] {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    color: var(--fg);
    font-size: 15px;
}
form input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

label.checkbox {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-top: 6px;
    font-size: 14px;
    color: var(--muted);
}
label.checkbox input { margin-top: 4px; }
label.checkbox a { color: var(--accent); }

button[type="submit"], .button {
    display: inline-block;
    margin-top: 18px;
    padding: 12px 18px;
    border: 0;
    border-radius: 8px;
    background: #0a0a0a;
    color: white;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    text-decoration: none;
}
button[type="submit"]:hover, .button:hover { background: #262626; }

@media (prefers-color-scheme: dark) {
    button[type="submit"], .button { background: #f3f4f6; color: #0a0a0a; }
    button[type="submit"]:hover, .button:hover { background: #ffffff; }
}
button[type="submit"] { width: 100%; }

.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.alert.error { background: var(--danger-bg); color: var(--danger-fg); }

.card.success { background: var(--success-bg); color: var(--success-fg); border-color: transparent; }
.card.success h2 { color: var(--success-fg); }
.card.error { background: var(--danger-bg); color: var(--danger-fg); border-color: transparent; }
.card.error h2 { color: var(--danger-fg); }

.hint { font-size: 13px; color: var(--muted); margin-top: 14px; }
.hint code { background: var(--bg); padding: 1px 6px; border-radius: 4px; }

.footer { margin-top: 26px; text-align: center; font-size: 13px; color: var(--muted); }
.footer a { color: var(--muted); }

/* Юридические страницы (terms/privacy): без карточки — текст прямо на фоне */
.card.legal {
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
}

.legal .meta { color: var(--muted); font-size: 13px; margin-top: -8px; }
.legal .content h2, .legal .content h3 { margin-top: 22px; }
.legal .content p, .legal .content li { color: var(--fg); }
.legal .content h1 { font-size: 22px; }

/* --- Оформление заказа /checkout --- */
.card + .card { margin-top: 16px; }
.card-sub { margin: 0 0 10px; font-size: 16px; font-weight: 600; }

.order {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 4px 14px;
    margin: 4px 0 18px;
}
.order-row, .order-total {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
    padding: 12px 0;
}
.order-total {
    border-top: 1px solid var(--border);
    font-weight: 600;
    font-size: 17px;
}
.order .price { white-space: nowrap; font-variant-numeric: tabular-nums; }
.order-note { font-size: 13px; color: var(--muted); padding-bottom: 8px; }

.content.small p { font-size: 14px; color: var(--muted); margin: 0 0 10px; }
.content.small a { color: var(--accent); }

/* --- Веб-админка /admin/* --- */
:root {
    --panel-bg: #ffffff;
    --warn-bg: #fffbeb;
    --warn-fg: #92400e;
}
@media (prefers-color-scheme: dark) {
    :root {
        --panel-bg: #111827;
        --warn-bg: #2a2210;
        --warn-fg: #fcd34d;
    }
}

.admin-topbar {
    background: var(--panel-bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}
.admin-topbar-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}
.admin-brand { font-weight: 700; text-decoration: none; color: var(--fg); }
.admin-nav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.admin-nav a {
    padding: 6px 10px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--muted);
    font-size: 14px;
}
.admin-nav a:hover { color: var(--fg); background: var(--bg); }
.admin-nav a.active { color: var(--fg); background: var(--bg); font-weight: 600; }
.admin-logout { margin: 0; }
button.linklike {
    background: none;
    border: 0;
    padding: 6px 0;
    color: var(--muted);
    font-size: 14px;
    cursor: pointer;
}
button.linklike:hover { color: var(--fg); }

.admin-main { max-width: 1140px; margin: 0 auto; padding: 22px 20px 60px; }
.admin-main h2 { font-size: 22px; margin: 6px 0 16px; }
.admin-main h3 { font-size: 15px; margin: 0 0 12px; }
.admin-main h3 .muted { font-weight: 400; font-size: 13px; }

.muted { color: var(--muted); }
.mono { font-variant-numeric: tabular-nums; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.92em; }
.crumbs { margin: 0 0 4px; font-size: 13px; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--fg); }

.panel {
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px 18px;
    margin-bottom: 16px;
}

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat {
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.stat-num { font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-label { font-size: 13px; color: var(--muted); }

.chart-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.chart { width: 100%; height: auto; display: block; }
.chart rect { fill: var(--accent); }
.chart rect.zero { fill: var(--border); }
.chart .axis { stroke: var(--border); stroke-width: 1; }
.chart .label { fill: var(--muted); font-size: 10px; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; margin-bottom: 16px; }
.props { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 0; font-size: 14px; }
.props dt { color: var(--muted); }
.props dd { margin: 0; overflow-wrap: anywhere; }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--panel-bg); border: 1px solid var(--border); border-radius: var(--radius); }
.table.narrow { width: auto; min-width: 50%; }
.table th, .table td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table thead th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); white-space: nowrap; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: var(--bg); }
.table a { color: var(--accent); text-decoration: none; }
.table a:hover { text-decoration: underline; }
.table .sort { color: var(--muted); }
.table .sort.active { color: var(--fg); font-weight: 700; }

.badge {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 999px;
    font-size: 12px;
    background: var(--bg);
    color: var(--muted);
    border: 1px solid var(--border);
    white-space: nowrap;
}
.badge.ok { background: var(--success-bg); color: var(--success-fg); border-color: transparent; }
.badge.danger { background: var(--danger-bg); color: var(--danger-fg); border-color: transparent; }
.badge.warn { background: var(--warn-bg); color: var(--warn-fg); border-color: transparent; }
.badge.accent { background: var(--bg); color: var(--accent); border-color: var(--accent); }

.filters { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 0 0 14px; font-size: 14px; }
.filters label { display: inline-flex; align-items: center; gap: 6px; margin: 0; color: var(--muted); }
.filters input, .filters select {
    padding: 7px 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--panel-bg);
    color: var(--fg);
    font-size: 14px;
}
.filters input[type="search"] { min-width: 280px; }

.button.small { margin-top: 0; padding: 7px 14px; font-size: 14px; width: auto; }
button.small { width: auto; }
.button.danger, button.danger { background: var(--danger-fg); color: white; }
.totals { font-size: 15px; margin: 0 0 12px; }

.pagination { display: flex; gap: 14px; align-items: center; margin: 14px 0; font-size: 14px; }
.pagination a { color: var(--accent); text-decoration: none; }

.tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.tabs a {
    padding: 7px 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--muted);
    text-decoration: none;
    font-size: 14px;
}
.tabs a.active { background: var(--panel-bg); color: var(--fg); font-weight: 600; }

.actions-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.inline-form { display: inline-flex; align-items: center; gap: 8px; margin: 0; }
.inline-form .days-input { width: 64px; padding: 6px 8px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--fg); }
.err-text { color: var(--danger-fg); font-size: 12.5px; overflow-wrap: anywhere; }

/* Логи пользователя: единая лента диалога и запросов */
.logs-toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; font-size: 13px; }
.logs-toolbar select { padding: 7px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--panel-bg); color: var(--fg); }
.timeline { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.tl-item {
    display: grid;
    grid-template-columns: 92px 24px 1fr;
    gap: 10px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--panel-bg);
    font-size: 14px;
}
.tl-time { color: var(--muted); font-size: 12.5px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.tl-text { white-space: pre-wrap; overflow-wrap: anywhere; }
.tl-msg.tl-user { border-left: 3px solid var(--accent); }
.tl-msg.tl-model { border-left: 3px solid var(--border); }
.tl-req { background: var(--bg); color: var(--muted); }
.tl-req .tl-text { white-space: normal; }
.tl-req-bad { border-left: 3px solid var(--danger-fg); }

.tg-login { margin: 18px 0 6px; min-height: 46px; }