:root {
  --bg: #0e1116; --panel: #161b22; --panel2: #1c2128; --border: #3a434d; --text: #e6edf3;
  --muted: #9da9b3; --accent: #58a6ff; --green: #3fb950; --red: #f85149;
  --orange: #d29922; --purple: #bc8cff; --input-bg: #010409;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); }
.hidden { display: none !important; }
.muted { color: var(--muted); font-size: 13px; }
.err { color: var(--red); font-size: 13px; min-height: 1em; }
code { background: #0a0d11; padding: 1px 5px; border-radius: 4px; font-size: 13px; }

/* login */
.screen#login { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.card { background: var(--panel); border: 1px solid var(--border); padding: 28px; border-radius: 12px; width: 340px; }
.card h1 { margin: 0 0 4px; font-size: 22px; }
input, select, textarea, button { font: inherit; color: var(--text); }
input[type=text], input[type=password], input[type=number], select, textarea {
  background: var(--input-bg); border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px;
  width: 100%; margin: 4px 0 12px; color: var(--text);
}
input::placeholder, textarea::placeholder { color: #6e7681; opacity: 1; }
input:focus, select:focus, textarea:focus {
  border-color: var(--accent); outline: none; box-shadow: 0 0 0 2px rgba(88,166,255,.2);
}
select option { background: var(--input-bg); color: var(--text); }
textarea { min-height: 90px; font-family: ui-monospace, monospace; }
input[type=text], input[type=number] { font-family: ui-monospace, monospace; }
button { background: var(--accent); color: #001022; border: 0; border-radius: 6px; padding: 8px 14px; cursor: pointer; font-weight: 600; }
button:hover { filter: brightness(1.1); }
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
button.warn { background: var(--red); color: #fff; }

/* header */
header { display: flex; align-items: center; gap: 14px; padding: 10px 18px; background: var(--panel); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; }
nav#tabs { display: flex; gap: 6px; flex: 1; }
nav#tabs button { background: transparent; color: var(--muted); padding: 6px 12px; font-weight: 500; }
nav#tabs button.active { color: var(--text); background: #0a0d11; border: 1px solid var(--border); }

/* layout */
.tab { padding: 18px; max-width: 1200px; margin: 0 auto; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.card-stat { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.card-stat .n { font-size: 28px; font-weight: 700; }
.card-stat .l { color: var(--muted); font-size: 12px; text-transform: uppercase; }
.card-stat.allowed .n { color: var(--green); }
.card-stat.blocked .n { color: var(--red); }
.card-stat.rate_limited .n { color: var(--orange); }
.card-stat.logged .n { color: var(--purple); }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px; margin-bottom: 12px; }
.panel h3 { margin: 0 0 10px; font-size: 14px; color: var(--muted); text-transform: uppercase; }
.bar-row { display: flex; align-items: center; gap: 8px; padding: 3px 0; font-size: 13px; }
.bar-row .name { width: 45%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar-row .bar { flex: 1; background: #0a0d11; border-radius: 4px; overflow: hidden; height: 14px; }
.bar-row .bar > i { display: block; height: 100%; background: var(--accent); }
.bar-row .v { width: 44px; text-align: right; color: var(--muted); }

/* logs */
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 10px; }
.toolbar input, .toolbar select { width: auto; margin: 0; }
.toolbar input { width: 140px; }
.logtable-wrap { overflow: auto; max-height: 72vh; border: 1px solid var(--border); border-radius: 10px; }
table.logtable { border-collapse: collapse; width: 100%; font-size: 13px; }
.logtable th, .logtable td { padding: 6px 8px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
.logtable th { background: var(--panel); position: sticky; top: 0; color: var(--muted); }
.logtable td.uri { white-space: normal; word-break: break-all; max-width: 380px; }
.logtable tr.blocked { background: rgba(248,81,73,.08); }
.logtable tr.rate_limited { background: rgba(210,153,34,.08); }
.logtable tr.allowed { color: var(--muted); }
.pill { padding: 1px 7px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.pill.blocked { background: rgba(248,81,73,.18); color: var(--red); }
.pill.allowed { background: rgba(63,185,80,.18); color: var(--green); }
.pill.rate_limited { background: rgba(210,153,34,.18); color: var(--orange); }
.pill.logged { background: rgba(188,140,255,.18); color: var(--purple); }
.sev-critical { color: var(--red); font-weight: 700; }
.sev-high { color: var(--orange); }
.sev-medium { color: var(--accent); }
.sev-low, .sev-info { color: var(--muted); }

/* rules */
.notice { background: rgba(210,153,34,.1); border: 1px solid var(--orange); color: var(--orange); padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; font-size: 13px; }
.rule-item { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; margin-bottom: 8px; }
.rule-item.disabled { opacity: .45; }
.rule-item .head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.rule-item label.inline { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; font-weight: 700; }
.rule-item input[type=checkbox] { width: auto; margin: 0; }
.rule-item .id { font-weight: 700; }
.rule-item .pat { font-family: ui-monospace, monospace; font-size: 12.5px; color: #c9d1d9; background: var(--input-bg); border: 1px solid var(--border); border-radius: 5px; padding: 5px 8px; word-break: break-all; margin: 6px 0; }
.rule-item .meta { font-size: 12px; color: var(--muted); }
.rule-item button { font-size: 12px; padding: 4px 10px; }
.ruleform { display: grid; gap: 8px; background: var(--panel2); border: 1px solid var(--border); border-radius: 8px; padding: 14px; }
.ruleform input, .ruleform select { margin: 0; }
.ruleform label { font-size: 12px; color: var(--muted); margin-bottom: 2px; display: block; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row label { margin: 0; }

/* settings */
.settings label { display: block; margin: 8px 0; }
.settings label.inline { display: inline-flex; align-items: center; gap: 6px; }
.settings input { width: 220px; margin: 0; }
.settings input[type=checkbox] { width: auto; }
.settings textarea { width: 100%; }
.mono { font-family: ui-monospace, monospace; }