:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-2: #f9fafb;
  --border: #e4e7ec;
  --border-strong: #d0d5dd;
  --text: #101828;
  --text-2: #344054;
  --muted: #667085;
  --primary: #4338ca;
  --primary-hover: #3730a3;
  --primary-soft: #eef2ff;
  --brand: #f59e0b;
  --good: #067647;   --good-soft: #ecfdf3;
  --warn: #b54708;   --warn-soft: #fffaeb;
  --bad: #b42318;    --bad-soft: #fef3f2;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05);
  --shadow-lg: 0 12px 24px -6px rgba(16, 24, 40, .12);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0f14; --surface: #151a21; --surface-2: #1b212a; --border: #262d38; --border-strong: #343d4a;
    --text: #f2f4f7; --text-2: #d0d5dd; --muted: #98a2b3;
    --primary: #818cf8; --primary-hover: #a5b4fc; --primary-soft: #1e1b4b;
    --good: #47cd89; --good-soft: #0b2a1c; --warn: #fdb022; --warn-soft: #2e2208; --bad: #f97066; --bad-soft: #3a1210;
    --shadow: none; --shadow-lg: 0 12px 24px -6px rgba(0,0,0,.5);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: var(--font); font-size: 14px; line-height: 1.5; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; line-height: 1.25; letter-spacing: -0.01em; }
h1 { font-size: 22px; font-weight: 650; }
h2 { font-size: 16px; font-weight: 600; }
h3 { font-size: 14px; font-weight: 600; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.hidden { display: none !important; }
svg.i { width: 18px; height: 18px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ── layout ───────────────────────────────────────────── */
.app { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.sidebar { background: var(--surface); border-right: 1px solid var(--border); padding: 18px 12px; display: flex; flex-direction: column; gap: 4px; position: sticky; top: 0; height: 100vh; }
.logo { display: flex; align-items: center; gap: 10px; padding: 4px 10px 18px; font-weight: 650; font-size: 15px; color: var(--text); }
.logo-mark { width: 28px; height: 28px; border-radius: 8px; background: linear-gradient(135deg, #fbbf24, #f59e0b); display: grid; place-items: center; color: #451a03; }
.logo-mark svg { width: 16px; height: 16px; }
.nav-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding: 14px 10px 6px; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; color: var(--text-2); font-weight: 500; }
.nav a:hover { background: var(--surface-2); text-decoration: none; }
.nav a.active { background: var(--primary-soft); color: var(--primary); }
.sidebar-foot { margin-top: auto; border-top: 1px solid var(--border); padding: 12px 6px 0; display: flex; align-items: center; gap: 10px; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; font-weight: 600; font-size: 13px; flex: none; overflow: hidden; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.who { min-width: 0; flex: 1; }
.who b { display: block; font-weight: 600; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.who span { font-size: 12px; color: var(--muted); }
.icon-btn { border: 0; background: none; color: var(--muted); padding: 6px; border-radius: 6px; cursor: pointer; display: grid; place-items: center; }
.icon-btn:hover { background: var(--surface-2); color: var(--text); }

.main { padding: 28px 32px 64px; min-width: 0; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.page-head p { margin: 4px 0 0; color: var(--muted); }
.mobile-bar { display: none; }

/* ── cards / buttons / forms ─────────────────────────── */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-pad { padding: 20px; }
.card-head { padding: 14px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 38px; padding: 0 16px; border-radius: 8px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--text-2); font: inherit; font-weight: 550; cursor: pointer; white-space: nowrap; transition: background .15s, border-color .15s, transform .1s; }
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
@media (prefers-color-scheme: dark) { .btn-primary { color: #0c0f14; } }
.btn-lg { height: 44px; font-size: 15px; width: 100%; }
.btn-sm { height: 32px; padding: 0 12px; font-size: 13px; }
.btn-ghost { border-color: transparent; background: none; }
.btn-danger { color: var(--bad); }

.field { margin-bottom: 16px; }
.field label, .label { display: block; font-weight: 550; color: var(--text-2); margin-bottom: 6px; font-size: 13.5px; }
.field label .req { color: var(--bad); margin-left: 2px; }
.field .help { font-size: 12.5px; color: var(--muted); margin-top: 5px; }
input[type=text], input[type=url], input[type=number], input[type=password], input[type=search], select, textarea {
  width: 100%; font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: 8px; padding: 9px 12px; outline: none; transition: border-color .15s, box-shadow .15s;
}
textarea { resize: vertical; min-height: 72px; line-height: 1.45; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent); }
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23667085' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 34px; }
.check { display: flex; align-items: center; gap: 10px; font-weight: 500; cursor: pointer; color: var(--text-2); }
.check input { width: 16px; height: 16px; accent-color: var(--primary); }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }

details.more { border-top: 1px dashed var(--border-strong); margin: 4px 0 18px; padding-top: 12px; }
details.more summary { cursor: pointer; list-style: none; color: var(--primary); font-weight: 550; display: inline-flex; align-items: center; gap: 6px; user-select: none; }
details.more summary::-webkit-details-marker { display: none; }
details.more summary svg { transition: transform .2s; width: 16px; height: 16px; }
details.more[open] summary svg { transform: rotate(90deg); }
details.more .more-body { padding-top: 14px; }

.alert { padding: 11px 14px; border-radius: 8px; border: 1px solid; margin-bottom: 16px; font-size: 13.5px; }
.alert-error { background: var(--bad-soft); border-color: color-mix(in srgb, var(--bad) 30%, transparent); color: var(--bad); }
.alert-success { background: var(--good-soft); border-color: color-mix(in srgb, var(--good) 30%, transparent); color: var(--good); }
.alert-warn { background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 30%, transparent); color: var(--warn); }

.pill { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 550; background: var(--surface-2); color: var(--text-2); border: 1px solid var(--border); white-space: nowrap; }
.pill.good { background: var(--good-soft); color: var(--good); border-color: transparent; }
.pill.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.pill.bad { background: var(--bad-soft); color: var(--bad); border-color: transparent; }
.pill.info { background: var(--primary-soft); color: var(--primary); border-color: transparent; }

/* ── dashboard ───────────────────────────────────────── */
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; margin-bottom: 32px; }
.tool-card { padding: 20px; display: flex; flex-direction: column; gap: 10px; color: inherit; transition: border-color .15s, box-shadow .15s, transform .15s; }
.tool-card:hover { text-decoration: none; border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.tool-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; }
.tool-card p { margin: 0; color: var(--muted); flex: 1; }
.tool-card .go { color: var(--primary); font-weight: 550; display: flex; align-items: center; gap: 6px; }

.list { list-style: none; margin: 0; padding: 0; }
.list li { border-top: 1px solid var(--border); }
.list li:first-child { border-top: 0; }
.list a.item, .list .item { display: flex; align-items: center; gap: 12px; padding: 12px 20px; color: inherit; }
.list a.item:hover { background: var(--surface-2); text-decoration: none; }
.item-main { flex: 1; min-width: 0; }
.item-main b { display: block; font-weight: 550; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.item-main span { font-size: 12.5px; color: var(--muted); }
.empty { padding: 28px 20px; text-align: center; color: var(--muted); }

/* ── tool page ───────────────────────────────────────── */
.tool-layout { display: grid; grid-template-columns: minmax(320px, 400px) 1fr; gap: 24px; align-items: start; }
.tool-form { position: sticky; top: 20px; }
.results { min-width: 0; display: flex; flex-direction: column; gap: 16px; }

.steps { display: flex; flex-direction: column; gap: 2px; padding: 8px 0; }
.step { display: flex; align-items: center; gap: 12px; padding: 7px 20px; color: var(--muted); }
.step .dot { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--border-strong); display: grid; place-items: center; flex: none; }
.step.running { color: var(--text); font-weight: 550; }
.step.running .dot { border-color: var(--primary); border-top-color: transparent; animation: spin .8s linear infinite; }
.step.done { color: var(--text-2); }
.step.done .dot { background: var(--good); border-color: var(--good); color: #fff; }
.step.warn .dot { background: var(--warn); border-color: var(--warn); color: #fff; }
.step.error .dot { background: var(--bad); border-color: var(--bad); color: #fff; }
.step .dot svg { width: 13px; height: 13px; stroke-width: 3; }
@keyframes spin { to { transform: rotate(360deg); } }

.progress { padding: 14px 20px; }
.bar { height: 6px; background: var(--surface-2); border-radius: 99px; overflow: hidden; border: 1px solid var(--border); }
.bar > div { height: 100%; width: 0; background: var(--primary); border-radius: 99px; transition: width .3s ease; }
.bar.indeterminate > div { width: 30%; animation: slide 1.2s ease-in-out infinite; }
@keyframes slide { from { transform: translateX(-100%); } to { transform: translateX(340%); } }
.progress-label { display: flex; justify-content: space-between; gap: 12px; margin-top: 8px; font-size: 12.5px; color: var(--muted); }
.progress-label span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.log { max-height: 220px; overflow: auto; font-family: var(--mono); font-size: 12px; padding: 10px 20px; background: var(--surface-2); border-top: 1px solid var(--border); color: var(--text-2); margin: 0; white-space: pre-wrap; }
.log .warn { color: var(--warn); }
.log .error { color: var(--bad); }
details.log-wrap summary { cursor: pointer; padding: 10px 20px; color: var(--muted); font-size: 12.5px; border-top: 1px solid var(--border); list-style: none; }

.status-line { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.status-line .spacer { flex: 1; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.stat { padding: 14px 16px; }
.stat .v { font-size: 22px; font-weight: 650; letter-spacing: -0.02em; margin-top: 2px; font-variant-numeric: tabular-nums; }
.stat .l { font-size: 12.5px; color: var(--muted); }
.stat.good .v { color: var(--good); } .stat.warn .v { color: var(--warn); } .stat.bad .v { color: var(--bad); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); padding: 0 12px; overflow-x: auto; overflow-y: hidden; scrollbar-width: none; }
.tab { border: 0; background: none; font: inherit; padding: 12px 10px; color: var(--muted); font-weight: 550; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab .count { font-size: 11.5px; background: var(--surface-2); border-radius: 99px; padding: 1px 7px; margin-left: 4px; color: var(--muted); }
.table-tools { display: flex; gap: 10px; padding: 12px 16px; align-items: center; flex-wrap: wrap; }
.table-tools input { max-width: 280px; height: 34px; padding: 6px 12px; }
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th { text-align: left; font-weight: 600; color: var(--muted); font-size: 12px; padding: 9px 14px; background: var(--surface-2); border-bottom: 1px solid var(--border); white-space: nowrap; cursor: pointer; user-select: none; position: sticky; top: 0; }
table.data th.num, table.data td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data td { padding: 9px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.data tr:hover td { background: var(--surface-2); }
table.data td.url { min-width: 200px; max-width: 360px; }
table.data td.url a { color: var(--text-2); overflow-wrap: anywhere; }
table.data td.url a:hover { color: var(--primary); }
.pager { display: flex; align-items: center; justify-content: space-between; padding: 10px 16px; color: var(--muted); font-size: 12.5px; gap: 8px; }
.pos { display: inline-grid; place-items: center; min-width: 34px; height: 24px; padding: 0 6px; border-radius: 6px; font-weight: 650; font-size: 12.5px; background: var(--surface-2); color: var(--text-2); }
.pos.p3 { background: var(--good-soft); color: var(--good); }
.pos.p10 { background: var(--primary-soft); color: var(--primary); }
.pos.p20 { background: var(--warn-soft); color: var(--warn); }

.downloads { display: flex; gap: 8px; flex-wrap: wrap; }

/* content writer */
.article { padding: 24px 28px; max-height: 70vh; overflow: auto; line-height: 1.7; font-size: 15px; }
.article h1 { font-size: 24px; margin: 0 0 14px; }
.article h2 { font-size: 19px; margin: 26px 0 10px; }
.article h3 { font-size: 16px; margin: 20px 0 8px; }
.article p, .article ul, .article ol { margin: 0 0 12px; }
.article table { border-collapse: collapse; margin: 12px 0; }
.article td, .article th { border: 1px solid var(--border); padding: 6px 10px; }
.checks { list-style: none; margin: 0; padding: 4px 0; }
.checks li { display: flex; gap: 10px; padding: 8px 20px; align-items: flex-start; }
.checks li .pill { flex: none; min-width: 48px; justify-content: center; }
.refine { display: flex; gap: 10px; padding: 16px 20px; border-top: 1px solid var(--border); align-items: flex-end; }
.refine textarea { min-height: 44px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; padding: 0 20px 14px; }
.chip { border: 1px solid var(--border-strong); background: var(--surface); border-radius: 99px; padding: 4px 11px; font: inherit; font-size: 12.5px; color: var(--text-2); cursor: pointer; }
.chip:hover { border-color: var(--primary); color: var(--primary); }

/* login */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.auth-card { width: 100%; max-width: 400px; padding: 32px; }
.auth-card .logo { justify-content: center; padding-bottom: 6px; font-size: 18px; }
.auth-card .sub { text-align: center; color: var(--muted); margin: 0 0 26px; }

/* responsive */
@media (max-width: 1100px) { .tool-layout { grid-template-columns: 1fr; } .tool-form { position: static; } }
@media (max-width: 760px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: 260px; z-index: 50; transform: translateX(-100%); transition: transform .2s; box-shadow: var(--shadow-lg); }
  body.nav-open .sidebar { transform: none; }
  .mobile-bar { display: flex; align-items: center; gap: 10px; padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 40; }
  .main { padding: 20px 16px 48px; }
  .row-2 { grid-template-columns: 1fr; }
  .page-head { flex-direction: column; }
  .article { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }