/* 折光 · 订阅后台 —— 视觉规则与 apps/host 外壳一致（docs/05-界面设计语言.md） */
:root {
  --bg: #f5f6f8; --surface: #fff; --surface-2: #f8f9fa; --border: #e6e8eb; --border-strong: #d0d4da;
  --text: #14171c; --text-2: #454b55; --muted: #6b7280;
  --accent: #2563eb; --accent-hover: #1d4ed8; --accent-soft: #eef3fe; --accent-ring: rgba(37, 99, 235, .18);
  --ok: #15803d; --ok-soft: #ecfdf3; --warn: #b45309; --warn-soft: #fffbeb; --danger: #dc2626; --danger-soft: #fef2f2;
  --shadow-pop: 0 8px 30px rgba(15, 23, 42, .12);
  --sidebar-w: 220px; --topbar-h: 56px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--bg); color: var(--text);
  font: 14px/1.57 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; cursor: pointer; }
a { color: var(--accent); text-decoration: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.app { display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); min-height: 100vh; }
.sidebar {
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  background: var(--surface); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 0 12px 16px;
}
.brand { flex: none; display: flex; align-items: center; gap: 10px; height: var(--topbar-h); margin: 0 -12px 12px; padding: 0 20px; border-bottom: 1px solid var(--border); font-weight: 600; font-size: 14px; }
.brand-mark { flex: none; width: 28px; height: 28px; border-radius: 7px; background: var(--accent); color: #fff; display: grid; place-items: center; font-size: 14px; font-weight: 700; }
.nav { flex: 1; }
.nav a { position: relative; display: flex; align-items: center; height: 34px; padding: 0 12px; border-radius: 7px; color: var(--text-2); font-size: 13.5px; }
.nav a + a { margin-top: 2px; }
.nav a:hover { background: color-mix(in srgb, var(--surface-2) 70%, var(--border) 30%); color: var(--text); }
.nav a[aria-current="page"] { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.nav a[aria-current="page"]::before { content: ""; position: absolute; left: -12px; top: 8px; bottom: 8px; width: 3px; border-radius: 0 3px 3px 0; background: var(--accent); }
.side-foot { flex: none; margin-top: auto; padding: 8px 12px 0; border-top: 1px solid var(--border); color: var(--muted); font-size: 12px; }

.content { display: flex; flex-direction: column; min-width: 0; }
.topbar {
  position: sticky; top: 0; z-index: 20; height: var(--topbar-h);
  display: flex; align-items: center; gap: 12px; padding: 0 32px;
  background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar b { font-size: 14px; }
.spacer { flex: 1; }
.user { display: flex; align-items: center; gap: 8px; }
.avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-size: 12px; font-weight: 600; }
.user-name { font-size: 13px; color: var(--text-2); }

.main { flex: 1; min-width: 0; padding: 28px 32px 48px; max-width: 1200px; width: 100%; }
.banner { display: flex; align-items: center; gap: 10px; padding: 9px 32px; font-size: 13px; border-bottom: 1px solid var(--border); }
.banner.warn { background: var(--warn-soft); color: var(--warn); }
.banner .link { color: inherit; font-weight: 600; text-decoration: underline; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head h1 { font-size: 20px; line-height: 28px; font-weight: 600; margin: 0; }
.page-head p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 20px; margin-bottom: 16px; }
.card h2 { font-size: 15px; line-height: 22px; font-weight: 600; margin: 0 0 14px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.card-head h2 { margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.tile { display: flex; flex-direction: column; gap: 4px; padding: 18px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; }
.tile b { font-size: 22px; font-weight: 600; }
.tile span { font-size: 12.5px; color: var(--muted); }
.tile.warn b { color: var(--warn); }
.tile.danger b { color: var(--danger); }

input, select {
  height: 34px; padding: 0 10px; border: 1px solid var(--border-strong); border-radius: 6px;
  background: var(--surface); color: var(--text); font: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); }
textarea { padding: 8px 10px; border: 1px solid var(--border-strong); border-radius: 6px; background: var(--surface); color: var(--text); font: inherit; font-size: 13px; resize: vertical; width: 100%; }
.primary { display: inline-flex; align-items: center; justify-content: center; height: 34px; padding: 0 14px; background: var(--accent); color: #fff; border: 0; border-radius: 6px; font-weight: 500; }
.primary:hover { background: var(--accent-hover); }
.primary.danger { background: var(--danger); }
.btn { display: inline-flex; align-items: center; height: 34px; padding: 0 14px; background: var(--surface); color: var(--text); border: 1px solid var(--border-strong); border-radius: 6px; }
.btn:hover { background: var(--surface-2); }
.link { border: 0; background: none; color: var(--accent); padding: 0; font-size: 13px; }
.link:hover { color: var(--accent-hover); }
.link.danger { color: var(--danger); }
.error { background: var(--danger-soft); color: var(--danger); border-left: 3px solid var(--danger); padding: 10px 12px; border-radius: 6px; margin-bottom: 14px; font-size: 13px; }
.error:empty { display: none; }
.ok-msg { background: var(--ok-soft); color: var(--ok); border-left: 3px solid var(--ok); padding: 10px 12px; border-radius: 6px; margin-bottom: 14px; font-size: 13px; }
.field { display: grid; grid-template-columns: 140px minmax(0, 360px); gap: 8px 16px; align-items: center; margin-bottom: 12px; }
.field > span { color: var(--text-2); font-size: 13px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.row input { min-width: 0; }
.row.spread { justify-content: space-between; }
.card .ops { display: flex; gap: 8px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }

.table-wrap { overflow-x: auto; margin: 0 -20px; }
.grid { width: 100%; border-collapse: collapse; font-size: 13px; }
.grid.fixed { table-layout: fixed; }
.grid th { background: var(--surface-2); color: var(--muted); font-size: 12px; font-weight: 500; text-align: left; padding: 8px 20px; border-bottom: 1px solid var(--border); border-top: 1px solid var(--border); white-space: nowrap; }
.grid td { padding: 10px 20px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.grid tr:last-child td { border-bottom: 0; }
.grid tbody tr.clickable { cursor: pointer; }
.grid tbody tr.clickable:hover td { background: var(--surface-2); }
.grid .num { text-align: right; font-variant-numeric: tabular-nums; }
.grid .ops { white-space: nowrap; text-align: right; }
.grid .ops .link + .link { margin-left: 14px; }
.tag { display: inline-flex; align-items: center; height: 22px; padding: 0 8px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); font-size: 12px; color: var(--muted); white-space: nowrap; }
.tag.strong { background: var(--accent-soft); border-color: transparent; color: var(--accent); font-weight: 500; }
.tag.ok { background: var(--ok-soft); border-color: transparent; color: var(--ok); }
.tag.warn { background: var(--warn-soft); border-color: transparent; color: var(--warn); }
.tag.danger { background: var(--danger-soft); border-color: transparent; color: var(--danger); }
.empty { padding: 24px 0 8px; text-align: center; color: var(--muted); }
.mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px; }

/* 登录 */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.login { width: 100%; max-width: 380px; padding: 32px; }
.login .brand-mark { width: 36px; height: 36px; font-size: 16px; border-radius: 9px; margin-bottom: 16px; }
.login h2 { font-size: 20px; margin: 0 0 4px; }
.login .lead { color: var(--muted); font-size: 13px; margin: 0 0 24px; }
.login label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; }
.login input { width: 100%; margin-bottom: 16px; }
.login .primary { width: 100%; height: 38px; margin-top: 4px; }
.login .secret { font-family: ui-monospace, Menlo, monospace; font-size: 13px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; padding: 10px 12px; word-break: break-all; margin-bottom: 12px; }
.login .qr-box { display: grid; place-items: center; margin: 0 auto 20px; width: 196px; height: 196px; background: #fff; border: 1px solid var(--border); border-radius: 10px; }
.login .skip-row { display: flex; justify-content: flex-end; margin-top: 10px; }
.login .skip { opacity: .5; font-size: 12px; transition: opacity .15s; }
.login .skip:hover { opacity: 1; }

/* 弹窗与抽屉 */
.dialog-scrim { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 16px; background: rgba(10, 12, 16, .5); }
.dialog { width: 100%; max-width: 420px; padding: 22px 22px 18px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow-pop); }
.dialog h2 { font-size: 16px; margin: 0 0 8px; }
.dialog p { margin: 0 0 4px; color: var(--text-2); font-size: 13.5px; line-height: 1.65; white-space: pre-line; }
.dialog label { display: block; font-size: 13px; color: var(--text-2); margin: 12px 0 6px; }
.dialog input, .dialog select { width: 100%; }
.dialog .error { margin: 10px 0 0; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }
.drawer-scrim { position: fixed; inset: 0; z-index: 90; background: rgba(10, 12, 16, .35); }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; z-index: 95; width: min(560px, 100vw); background: var(--bg); border-left: 1px solid var(--border); box-shadow: var(--shadow-pop); overflow-y: auto; padding: 24px; }
.drawer h2 { font-size: 17px; margin: 0 0 4px; }
.drawer .card { padding: 16px; }
.kv { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 6px 12px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-all; }

.toasts { position: fixed; top: calc(var(--topbar-h) + 12px); right: 16px; z-index: 110; display: flex; flex-direction: column; gap: 8px; max-width: min(360px, calc(100vw - 32px)); }
.toast { padding: 10px 14px; border-radius: 8px; background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--accent); box-shadow: var(--shadow-pop); font-size: 13px; }
.toast.error { border-left-color: var(--danger); }

@media (max-width: 900px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .sidebar { display: none; }
  .topbar, .main, .banner { padding-left: 16px; padding-right: 16px; }
  .field { grid-template-columns: minmax(0, 1fr); gap: 4px; }
}