:root {
  --bg: #f4f5f7; --card: #fff; --border: #e3e5ea; --text: #1c1f26; --muted: #6b7280;
  --accent: #b5473a; --accent-dark: #93362b; --accent-soft: #fbeeec;
  --ok: #1f7a4d; --ok-soft: #e6f4ec; --warn: #9a6700; --warn-soft: #fff4d6; --err: #b42318; --err-soft: #fde8e6;
  --mono: "Cascadia Mono", Consolas, "SF Mono", monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); font: 14px/1.45 "Segoe UI", system-ui, -apple-system, sans-serif; }
body { display: flex; flex-direction: column; min-height: 100vh; }

/* ---------- login */
.login-body { align-items: center; justify-content: center; padding: 16px; }
.login-card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 28px; width: 100%; max-width: 380px; display: flex; flex-direction: column; gap: 10px; }
.login-card .brand { margin-bottom: 8px; }
.login-card button { margin-top: 6px; }

/* ---------- top bar */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 20px; background: var(--card); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { margin: 0; font-size: 17px; font-weight: 600; }
.brand small { color: var(--muted); }
.logo-img { height: 46px; width: auto; flex-shrink: 0; }
.login-card .logo-img { height: 64px; }
.logo { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: var(--accent); color: #fff; font-weight: 700; flex-shrink: 0; }
.tabs { display: flex; gap: 4px; background: var(--bg); padding: 4px; border-radius: 10px; flex-wrap: wrap; }
.tabs button { border: 0; background: transparent; padding: 7px 13px; border-radius: 7px; font: inherit; color: var(--muted); cursor: pointer; }
.tabs button.active { background: var(--card); color: var(--text); box-shadow: 0 1px 2px rgba(0,0,0,.08); font-weight: 600; }
.userbox { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }

/* ---------- layout */
main { flex: 1; padding: 16px 20px; }
.tab { display: none; }
.tab.active { display: block; }
.layout { display: grid; grid-template-columns: 400px minmax(0, 1fr); gap: 16px; }
.layout > * { min-width: 0; }
.layout.single { grid-template-columns: minmax(0, 1fr); }
.layout.settings { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; }
.card h2 { margin: 0 0 12px; font-size: 15px; font-weight: 600; }
.card h3 { margin: 14px 0 6px; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; }
@media (max-width: 980px) { .layout { grid-template-columns: 1fr; } }

/* ---------- forms */
label { display: block; margin-bottom: 10px; font-size: 12.5px; color: var(--muted); font-weight: 600; }
label > input, label > select, label > textarea, .row > input, .row > select {
  display: block; width: 100%; margin-top: 4px; padding: 7px 9px; border: 1px solid var(--border); border-radius: 7px; font: inherit; color: var(--text); background: #fff;
}
label > input + select { margin-top: 6px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
select[size] { padding: 4px; font-family: var(--mono); font-size: 12.5px; }
select[size] optgroup { font-family: "Segoe UI", system-ui, sans-serif; color: var(--muted); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.row { display: flex; gap: 6px; margin-top: 4px; align-items: center; }
.row > input, .row > select { margin-top: 0; }
fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px 10px; margin: 0 0 12px; }
legend { font-size: 12px; color: var(--muted); font-weight: 600; padding: 0 4px; }
.checks { display: flex; flex-wrap: wrap; gap: 6px 8px; }
.checks label { display: flex; align-items: center; gap: 5px; margin: 0; font-weight: 400; color: var(--text); font-size: 13px; background: var(--bg); padding: 4px 9px; border-radius: 999px; cursor: pointer; }
.checks label:has(input:checked) { background: var(--accent-soft); color: var(--accent-dark); font-weight: 600; }
.checks input { margin: 0; }
.segmented { display: flex; gap: 0; border: 1px solid var(--border); border-radius: 7px; overflow: hidden; margin: 4px 0 10px; }
.segmented button { flex: 1; border: 0; border-radius: 0; background: #fff; padding: 7px; font: inherit; cursor: pointer; color: var(--muted); }
.segmented button.active { background: var(--accent); color: #fff; font-weight: 600; }

button { font: inherit; padding: 7px 13px; border-radius: 7px; cursor: pointer; border: 1px solid var(--border); background: #fff; color: var(--text); }
button:hover { background: #f7f7f9; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.primary:hover { background: var(--accent-dark); }
button.ghost { background: transparent; }
button.small { padding: 3px 8px; font-size: 12px; }
button.icon { width: 28px; padding: 3px 0; text-align: center; font-size: 13px; }
button.danger:hover { background: var(--err-soft); color: var(--err); border-color: #f2b8b3; }
button:disabled { opacity: .5; cursor: default; }
.actions { display: flex; gap: 8px; margin: 12px 0 8px; flex-wrap: wrap; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }

.preview { background: var(--bg); border-radius: 8px; padding: 10px 12px; margin-top: 4px; }
.preview span { display: block; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; }
.preview strong { font-family: var(--mono); font-size: 16px; }
.preview ul { margin: 6px 0 0; padding-left: 0; list-style: none; font-family: var(--mono); font-size: 13px; }
.error { background: var(--err-soft); color: var(--err); padding: 8px 10px; border-radius: 7px; margin-top: 6px; }
.result { background: var(--ok-soft); color: var(--ok); padding: 10px 12px; border-radius: 7px; margin-top: 6px; }
.result ul { margin: 6px 0 0; padding-left: 0; list-style: none; font-family: var(--mono); color: var(--text); }
.result li { display: flex; gap: 8px; align-items: center; padding: 2px 0; }

/* ---------- tables */
.toolbar { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.toolbar input, .toolbar select { padding: 7px 9px; border: 1px solid var(--border); border-radius: 7px; font: inherit; }
.toolbar input { width: 260px; }
.spacer { flex: 1; }
.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: 8px; max-height: calc(100vh - 230px); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th { position: sticky; top: 0; background: #fafafb; text-align: left; padding: 8px 8px; border-bottom: 1px solid var(--border); font-size: 12px; color: var(--muted); font-weight: 600; white-space: nowrap; z-index: 1; }
tbody td { padding: 6px 8px; border-bottom: 1px solid #f0f1f3; vertical-align: middle; }
tbody tr:hover { background: #fcfcfd; }
td.mono { font-family: var(--mono); }
th.num, td.num { text-align: right; }
td .sub { display: block; color: var(--muted); font-size: 11.5px; }
td.ops { white-space: nowrap; text-align: right; }
td.ops button { margin-left: 3px; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11.5px; font-weight: 600; white-space: nowrap; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.new { background: var(--warn-soft); color: var(--warn); }
.badge.none { background: var(--bg); color: var(--muted); }
.empty { padding: 30px; text-align: center; color: var(--muted); }
.pager { display: flex; gap: 8px; align-items: center; margin-top: 8px; color: var(--muted); font-size: 12.5px; }

/* ---------- modal / toast */
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.35); display: grid; place-items: center; z-index: 40; padding: 16px; }
.modal { background: var(--card); border-radius: 12px; padding: 20px 22px; width: 100%; max-width: 420px; }
.modal h2 { margin: 0 0 10px; font-size: 16px; }
.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: #1c1f26; color: #fff; padding: 9px 16px; border-radius: 8px; font-size: 13px; box-shadow: 0 6px 20px rgba(0,0,0,.2); z-index: 50; max-width: 80vw; }
code.secret { display: block; font-family: var(--mono); font-size: 16px; background: var(--bg); padding: 8px 10px; border-radius: 7px; margin: 8px 0; user-select: all; }