/* GFM management console. Visual reference: BISHENG's management console (docs/design/console-ui.md). */
:root {
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --bg: #f4f5f8;
  --surface: #ffffff;
  --sidebar: #eef0f4;
  --row: #f5f6f8;
  --border: #e3e6eb;
  --text: #1d2129;
  --text-2: #4e5969;
  --muted: #86909c;
  --primary: #024de3;
  --primary-dark: #1f3aa6;
  --primary-soft: #e8efff;
  --danger: #d4380d;
  --success: #00a870;
  --black: #1d1d1f;
  --radius-card: 12px;
  --radius-control: 8px;
  --shadow-active: 0 2px 8px rgba(29, 33, 41, .08);
  --tint-blue: #e8efff; --ink-blue: #024de3;
  --tint-purple: #f1ebff; --ink-purple: #6b3fd4;
  --tint-green: #e3f7ef; --ink-green: #00a870;
  --tint-amber: #fff4e0; --ink-amber: #d97706;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #17181b;
  --surface: #232428;
  --sidebar: #1c1d21;
  --row: #2a2b30;
  --border: #34363c;
  --text: #e8e9ec;
  --text-2: #b4b8c0;
  --muted: #8a8f98;
  --primary: #4d7dff;
  --primary-dark: #3355d1;
  --primary-soft: rgba(77, 125, 255, .16);
  --black: #e8e9ec;
  --shadow-active: none;
  --tint-blue: rgba(77, 125, 255, .16);
  --tint-purple: rgba(107, 63, 212, .22);
  --tint-green: rgba(0, 168, 112, .18);
  --tint-amber: rgba(217, 119, 6, .2);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font-family: var(--font); font-size: 14px; color: var(--text); background: var(--sidebar); }
button { font: inherit; color: inherit; }
a { color: inherit; }
svg.icon { width: 20px; height: 20px; flex: none; fill: currentColor; }
svg.icon.line { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 10; height: 64px; display: flex; align-items: center; gap: 24px;
  padding: 0 24px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { text-decoration: none; flex: none; width: 156px; }
.brand-badge {
  display: inline-flex; align-items: center; height: 34px; padding: 0 12px; border-radius: 4px;
  background: var(--primary-dark); color: #fff; font-weight: 700; font-size: 20px; letter-spacing: 1px;
}
.page-tabs { flex: 1; display: flex; justify-content: center; gap: 8px; min-width: 0; overflow-x: auto; }
.page-tab {
  display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 16px; border-radius: var(--radius-control);
  color: var(--text-2); text-decoration: none; white-space: nowrap;
}
.page-tab svg.icon { width: 16px; height: 16px; }
.page-tab[aria-current="page"] { background: var(--bg); color: var(--primary-dark); font-weight: 600; }
.topbar-actions { display: flex; align-items: center; gap: 12px; flex: none; }
.icon-button {
  display: grid; place-items: center; width: 36px; height: 36px; border: 0; border-radius: var(--radius-control);
  background: var(--bg); cursor: pointer;
}
.icon-button.round { border-radius: 50%; }
.icon-button svg.icon { width: 18px; height: 18px; }
.language { height: 36px; display: inline-flex; align-items: center; padding: 0 12px; border-radius: var(--radius-control); background: var(--bg); }
.divider { width: 1px; height: 24px; background: var(--border); }
.account { position: relative; display: flex; align-items: center; gap: 10px; }
.account-button { display: flex; align-items: center; gap: 10px; border: 0; background: none; cursor: pointer; padding: 0; }
.avatar {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: var(--primary-dark); color: #fff; font-size: 13px; font-weight: 600;
}
.account-menu {
  position: absolute; right: 0; top: 46px; min-width: 160px; padding: 6px; border-radius: var(--radius-card);
  background: var(--surface); border: 1px solid var(--border); box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
}
.account-menu button { width: 100%; text-align: left; border: 0; background: none; padding: 8px 12px; border-radius: 6px; cursor: pointer; }
.account-menu button:hover { background: var(--bg); }
.menu-button { display: none; }

/* Frame */
.frame { display: flex; min-height: calc(100vh - 64px); }
.sidebar {
  width: 196px; flex: none; display: flex; flex-direction: column; gap: 12px; padding: 16px 12px;
  background: var(--sidebar); position: sticky; top: 64px; height: calc(100vh - 64px);
}
.nav { display: flex; flex-direction: column; gap: 4px; overflow-y: auto; }
.nav-link {
  display: flex; align-items: center; gap: 14px; height: 48px; padding: 0 16px; border-radius: var(--radius-card);
  color: var(--text); text-decoration: none;
}
.nav-link:hover { background: rgba(127, 127, 127, .08); }
.nav-link[aria-current="page"] { background: var(--surface); color: var(--primary); font-weight: 600; box-shadow: var(--shadow-active); }
.nav-label.spaced { letter-spacing: .9em; margin-right: -.9em; }
.sidebar-tiles { margin-top: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tile {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; height: 72px;
  border: 0; border-radius: var(--radius-card); background: var(--bg); text-decoration: none; cursor: pointer;
  font-size: 12px; font-weight: 600;
}

/* Content */
.content {
  flex: 1; min-width: 0; margin: 0 16px 16px 0; padding: 20px 24px; border-radius: 16px; background: var(--bg);
  display: flex; flex-direction: column; gap: 16px;
}
.toolbar { display: flex; justify-content: flex-end; gap: 12px; }
.panel { background: var(--surface); border-radius: var(--radius-card); padding: 20px; }
.panel h2 { margin: 0 0 12px; font-size: 15px; }
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.stat { display: flex; gap: 14px; align-items: flex-start; }
.stat-icon { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; flex: none; }
.stat-label { font-size: 12px; color: var(--muted); }
.stat-value { font-size: 22px; font-weight: 700; margin: 2px 0; }
.stat-detail { font-size: 12px; color: var(--text-2); }
.tint-blue { background: var(--tint-blue); color: var(--ink-blue); }
.tint-purple { background: var(--tint-purple); color: var(--ink-purple); }
.tint-green { background: var(--tint-green); color: var(--ink-green); }
.tint-amber { background: var(--tint-amber); color: var(--ink-amber); }

.segmented { display: inline-flex; gap: 4px; padding: 4px; border-radius: var(--radius-control); background: var(--primary-dark); align-self: flex-start; }
.segmented a { padding: 6px 16px; border-radius: 6px; color: rgba(255, 255, 255, .85); text-decoration: none; }
.segmented a[aria-current="page"] { background: var(--surface); color: var(--primary-dark); font-weight: 600; }

.table { width: 100%; border-collapse: separate; border-spacing: 0 4px; }
.table th { text-align: left; font-weight: 400; color: var(--text-2); padding: 8px 14px; }
.table td { background: var(--row); padding: 14px; }
.table td:first-child { border-radius: var(--radius-control) 0 0 var(--radius-control); }
.table td:last-child { border-radius: 0 var(--radius-control) var(--radius-control) 0; }
.table th:last-child, .table td:last-child { text-align: right; }
.link { color: var(--primary); border: 0; background: none; cursor: pointer; padding: 0; }
.status-ok { display: inline-flex; align-items: center; gap: 4px; color: var(--success); font-weight: 600; font-size: 13px; }
.toggle { width: 40px; height: 22px; border-radius: 11px; border: 0; background: var(--border); position: relative; cursor: pointer; }
.toggle::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: left .15s; }
.toggle[aria-checked="true"] { background: var(--primary); }
.toggle[aria-checked="true"]::after { left: 21px; }

.btn { display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 16px; border: 0; border-radius: var(--radius-control); cursor: pointer; font-weight: 500; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-neutral { background: var(--black); color: var(--surface); }
.btn-soft { background: var(--surface); color: var(--danger); }

.planned { margin: 0; padding-left: 20px; color: var(--text-2); line-height: 1.9; }
.empty { color: var(--muted); }
.notice { padding: 12px 16px; border-radius: var(--radius-control); background: #fdecea; color: var(--danger); }
.footnote { margin-top: auto; font-size: 12px; color: var(--muted); }
.scrim { position: fixed; inset: 64px 0 0 0; z-index: 8; background: rgba(17, 24, 39, .35); }

@media (max-width: 1023px) {
  .menu-button { display: grid; }
  .brand { width: auto; }
  .sidebar { position: fixed; z-index: 9; left: 0; transform: translateX(-100%); transition: transform .2s ease; }
  .sidebar[data-open="true"] { transform: none; }
  .content { margin: 0; border-radius: 0; }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-tabs { justify-content: flex-start; }
}
@media (max-width: 640px) {
  .topbar { gap: 10px; padding: 0 12px; }
  .language, .divider, .account-name { display: none; }
  .content { padding: 16px; }
  .stat-grid { grid-template-columns: minmax(0, 1fr); }
  .page-tabs { position: absolute; top: 64px; left: 0; right: 0; height: 44px; padding: 4px 12px; background: var(--surface); border-bottom: 1px solid var(--border); }
  .frame { padding-top: 44px; }
}