/* ============================================================
   SuiFleet · 设计系统（克制专业风）
   tokens → 基础元素 → 布局 → 组件 → 响应式
   ============================================================ */

:root {
  /* 色板：深灰阶 + 单一冷色强调 */
  --bg: #0f1011;
  --panel: #17181b;
  --panel-2: #1d1f23;
  --panel-3: #26282d;
  --border: #26282c;
  --border-strong: #35383e;
  --text: #eeeff2;
  --text-2: #c6c9d0;
  --muted: #8b8f98;
  --accent: #5e6ad2;
  --accent-hover: #707cdd;
  --accent-soft: rgba(94, 106, 210, 0.14);
  --ok: #3dd68c;
  --warn: #e2a336;
  --danger: #e5484d;

  /* 间距（4px 基准） */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;

  /* 字号 */
  --fs-xs: 11.5px;
  --fs-sm: 12.5px;
  --fs-md: 13.5px;
  --fs-lg: 15px;
  --fs-xl: 17px;

  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;

  --shadow-menu: 0 8px 28px rgba(0, 0, 0, 0.45);
  --shadow-modal: 0 20px 60px rgba(0, 0, 0, 0.55);

  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: var(--fs-md);
  line-height: 1.55;
}
code { font-family: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 6px; border: 3px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ---------- 基础元素 ---------- */
h1, h2, h3, h4 { letter-spacing: -0.01em; }
.muted { color: var(--muted); margin: 0; }
.small { font-size: var(--fs-sm); word-break: break-all; }
.error { color: var(--danger); margin: 8px 0 0; font-size: var(--fs-sm); }
.text-danger { color: var(--danger); }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mb-8 { margin-bottom: 8px; }

label { display: grid; gap: 6px; font-size: var(--fs-sm); color: var(--muted); font-weight: 500; }
input, select, textarea {
  font: inherit;
  font-size: var(--fs-md);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--panel-2);
  color: var(--text);
  padding: 7px 10px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  min-width: 0;
}
input::placeholder, textarea::placeholder { color: color-mix(in srgb, var(--muted) 70%, transparent); }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
input[type="checkbox"], input[type="radio"] { accent-color: var(--accent); width: 14px; height: 14px; margin: 0; }

button {
  font: inherit;
  font-size: var(--fs-sm);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
button:hover:not(:disabled) { background: var(--accent-hover); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-2);
}
button.ghost:hover:not(:disabled) { background: var(--panel-3); color: var(--text); border-color: var(--border-strong); }
button.danger {
  background: transparent;
  border-color: color-mix(in srgb, var(--danger) 45%, var(--border-strong));
  color: var(--danger);
}
button.danger:hover:not(:disabled) { background: color-mix(in srgb, var(--danger) 14%, transparent); }
button.xs { padding: 4px 10px; font-size: var(--fs-xs); border-radius: 5px; }

.ic { width: 15px; height: 15px; flex: none; }

/* ---------- 登录页 ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: var(--sp-6); }
.login-card {
  width: min(380px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  display: grid;
  gap: var(--sp-4);
}
.login-card h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}
.login-card h1::before {
  content: "";
  width: 26px; height: 26px; border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), #8a94e8);
}
.login-card button { padding: 9px 14px; font-size: var(--fs-md); margin-top: var(--sp-1); }

/* ---------- 布局骨架 ---------- */
.shell { display: grid; grid-template-columns: 216px minmax(0, 1fr); min-height: 100vh; }
aside {
  border-right: 1px solid var(--border);
  background: var(--panel);
  padding: var(--sp-5) var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand {
  display: flex; align-items: center; gap: 9px;
  font-weight: 600; font-size: var(--fs-lg);
  padding: 0 var(--sp-2);
}
.brand::before {
  content: "";
  width: 22px; height: 22px; border-radius: 6px; flex: none;
  background: linear-gradient(135deg, var(--accent), #8a94e8);
}
aside nav { display: grid; gap: 2px; }
aside nav button {
  justify-content: flex-start;
  gap: 10px;
  background: transparent;
  color: var(--muted);
  font-size: var(--fs-md);
  font-weight: 500;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
}
aside nav button .ic { color: var(--muted); transition: color 0.15s ease; }
aside nav button:hover { background: var(--panel-3); color: var(--text); }
aside nav button:hover .ic { color: var(--text-2); }
aside nav button.active { background: var(--accent-soft); color: var(--text); }
aside nav button.active .ic { color: var(--accent-hover); }
.logout { margin-top: auto; justify-content: flex-start; gap: 10px; }

main { padding: clamp(16px, 2.5vw, 32px); min-width: 0; }
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-bottom: var(--sp-5);
}
.top h2 { margin: 0; font-size: var(--fs-xl); font-weight: 600; }
.actions { display: flex; gap: var(--sp-2); flex-wrap: wrap; align-items: center; }
.auto-hint { white-space: nowrap; }
.auto-toggle { margin: 0; font-size: var(--fs-sm); color: var(--muted); display: flex; align-items: center; gap: 6px; }
.mini-select {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 4px;
  padding: 1px 4px; font-size: var(--fs-xs); margin: 0 2px;
}

/* ---------- 卡片与统计 ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--sp-5);
  margin-top: var(--sp-4);
}
.card.wide { grid-column: 1 / -1; margin-top: 0; }
.card h3 { margin: 0 0 var(--sp-4); font-size: 14px; font-weight: 600; color: var(--text); }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--sp-3); flex-wrap: wrap; }
.card-head h3 { margin: 0; }
.card-head + * { margin-top: var(--sp-4); }
.section-subtitle { margin: var(--sp-5) 0 var(--sp-3); font-size: var(--fs-md); font-weight: 600; color: var(--text); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: var(--sp-3);
}
.grid > .card.wide { margin-top: var(--sp-1); }
.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--sp-4) var(--sp-5);
  display: grid;
  gap: 4px;
}
.stat span { color: var(--muted); font-size: var(--fs-sm); }
.stat strong { font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; margin: 0 calc(var(--sp-5) * -1); padding: 0 var(--sp-5); }
.table-wrap table { min-width: 640px; }
table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: var(--fs-xs); white-space: nowrap; }
td { color: var(--text-2); font-variant-numeric: tabular-nums; }
td:first-child, th:first-child { padding-left: 0; }
td:last-child, th:last-child { padding-right: 0; }
tbody tr { transition: background 0.12s ease; }
tbody tr:hover { background: color-mix(in srgb, var(--panel-2) 60%, transparent); }
tbody tr:last-child td { border-bottom: none; }

/* ---------- 徽标 / 状态 ---------- */
.pill, .badge, .flag, .chip, .src-tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 1px 8px; border-radius: 999px;
  font-size: var(--fs-xs); font-weight: 500; line-height: 1.7;
  background: var(--panel-3); color: var(--muted);
  border: 1px solid transparent;
  white-space: nowrap;
}
.pill.online, .badge.ok, .flag.ok { color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.pill.offline, .badge.danger, .flag.danger { color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, transparent); }
.pill.unknown, .pill.deploying, .badge.warn, .flag.warn { color: var(--warn); background: color-mix(in srgb, var(--warn) 12%, transparent); }
.badge.mute { color: var(--muted); background: var(--panel-3); }
.chip { border-radius: 5px; background: var(--panel-2); border-color: var(--border-strong); }
.chip.accent { color: #98a1ec; background: var(--accent-soft); border-color: transparent; }
.src-tag { margin-left: auto; }
.src-tag.src-provider { color: #98a1ec; background: var(--accent-soft); }

.dot { width: 7px; height: 7px; border-radius: 50%; flex: none; }
.dot.good { background: var(--ok); }
.dot.bad { background: var(--danger); }

/* ---------- 进度条 ---------- */
.bar-wrap { height: 4px; background: var(--panel-3); border-radius: 99px; overflow: hidden; margin-bottom: 6px; max-width: 220px; }
.bar-wrap.wide { max-width: none; height: 5px; }
.bar { height: 100%; border-radius: 99px; background: var(--accent); transition: width 0.3s ease; }
.bar.lvl-ok { background: var(--ok); }
.bar.lvl-warn { background: var(--warn); }
.bar.lvl-danger { background: var(--danger); }

/* ---------- 下拉菜单 ---------- */
.menu-wrap { position: relative; display: inline-flex; }
.menu {
  position: absolute; right: 0; top: calc(100% + 4px);
  z-index: 60; min-width: 148px;
  background: var(--panel-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 4px;
  box-shadow: var(--shadow-menu);
  display: flex; flex-direction: column;
}
.menu.up { top: auto; bottom: calc(100% + 4px); }
.menu button {
  background: transparent; border: none; color: var(--text-2);
  justify-content: flex-start; text-align: left;
  padding: 7px 10px; border-radius: 5px; font-size: var(--fs-sm); font-weight: 400;
}
.menu button:hover:not(:disabled) { background: var(--panel-3); color: var(--text); }
.menu button.danger-item { color: var(--danger); }
.menu button.danger-item:hover:not(:disabled) { background: color-mix(in srgb, var(--danger) 12%, transparent); }

/* ---------- 模态 ---------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(8, 9, 10, 0.66);
  backdrop-filter: blur(5px);
  display: grid; place-items: center;
  padding: var(--sp-6);
}
.modal-card {
  width: min(440px, 100%);
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  box-shadow: var(--shadow-modal);
  text-align: left;
}
.modal-card.modal-wide { width: min(720px, 100%); max-height: 88vh; overflow-y: auto; }
.modal-card h3 { margin: 0 0 var(--sp-5); font-size: var(--fs-lg); font-weight: 600; }
.modal-card .actions { margin-top: var(--sp-5); justify-content: flex-end; }
.qr-canvas {
  width: 232px; height: 232px; margin: var(--sp-4) auto;
  background: #fff; border-radius: var(--radius); padding: 12px;
  display: grid; place-items: center;
}
.qr-canvas img, .qr-canvas canvas { max-width: 100%; height: auto; }
.qr-url { word-break: break-all; margin: 12px 0; color: var(--muted); }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3) var(--sp-4); }
.form-grid .span2 { grid-column: 1 / -1; }
.checks { display: flex; flex-wrap: wrap; gap: var(--sp-2) var(--sp-3); }
.check { display: flex; flex-direction: row; align-items: center; gap: 7px; color: var(--text-2); font-weight: 400; cursor: pointer; }
.inbound-checks {
  flex-direction: column; align-items: stretch; gap: 2px;
  max-height: 220px; overflow: auto;
  padding: 6px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: var(--panel-2);
}
.inbound-checks .check { padding: 6px 8px; border-radius: 5px; }
.inbound-checks .check:hover { background: var(--panel-3); }
.row-actions { display: flex; flex-wrap: wrap; gap: 6px; align-items: flex-start; }

.mode-cards { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); margin-bottom: var(--sp-4); }
.mode-card {
  display: grid; gap: 4px; padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--border-strong); border-radius: var(--radius);
  background: var(--panel-2); cursor: pointer; position: relative;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.mode-card input { position: absolute; opacity: 0; pointer-events: none; }
.mode-card strong { color: var(--text); font-size: var(--fs-md); font-weight: 600; }
.mode-card:hover { border-color: var(--muted); }
.mode-card.active { border-color: var(--accent); background: var(--accent-soft); }

.advanced-box {
  margin: var(--sp-4) 0; padding: var(--sp-3) var(--sp-4);
  border: 1px dashed var(--border-strong); border-radius: var(--radius);
  background: var(--panel-2);
}
.advanced-box summary { cursor: pointer; color: var(--muted); font-size: var(--fs-sm); font-weight: 500; user-select: none; }
.advanced-box summary:hover { color: var(--text-2); }
.advanced-box[open] summary { margin-bottom: var(--sp-2); color: var(--text); }

.settings-fold > summary {
  cursor: pointer; user-select: none; list-style: none;
  display: flex; align-items: baseline; gap: var(--sp-3); flex-wrap: wrap;
}
.settings-fold > summary::-webkit-details-marker { display: none; }
.settings-fold > summary::before {
  content: "›"; display: inline-block; margin-right: 2px;
  color: var(--muted); font-size: var(--fs-lg); line-height: 1;
  transition: transform 0.15s ease;
}
.settings-fold[open] > summary::before { transform: rotate(90deg); }
.settings-fold-title { font-size: var(--fs-md); font-weight: 600; color: var(--text); }
.settings-fold-body { margin-top: var(--sp-4); }

.pill-row { display: flex; align-items: center; gap: var(--sp-2); flex-wrap: wrap; }

.sync-pulse { animation: syncpulse 1.2s ease-in-out infinite; }
@keyframes syncpulse { 50% { opacity: 0.4; } }

.log {
  margin-top: var(--sp-3);
  background: #0b0c0e;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--sp-3);
  overflow: auto; max-height: 260px;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 12px; color: #9aa4b2;
}

/* ---------- 监控磁贴 ---------- */
.node-monitor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--sp-3);
}
.nm-tile {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: var(--sp-4);
  background: var(--panel-2);
  display: flex; flex-direction: column; gap: var(--sp-3);
}
.nm-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.nm-head strong { color: var(--text); font-size: var(--fs-md); font-weight: 600; }
.nm-row { display: flex; flex-direction: column; gap: 3px; }
.nm-label { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; font-size: var(--fs-sm); color: var(--text-2); }
.nm-label strong { font-variant-numeric: tabular-nums; }
.nm-sub { margin-top: 1px; }
.nm-flags { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: auto; }
.nm-flags .ghost.xs { margin-left: auto; }
.nm-tile .bar-wrap { max-width: none; }

/* ---------- 地区看板 ---------- */
.region-board { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: var(--sp-3); }
.region-tile {
  border: 1px solid var(--border-strong); border-radius: var(--radius);
  padding: var(--sp-4); background: var(--panel-2);
}
.region-tile.warn { border-color: color-mix(in srgb, var(--danger) 50%, var(--border-strong)); }
.region-tile-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-bottom: var(--sp-3); flex-wrap: wrap; }
.region-tile-head strong { font-size: var(--fs-md); }
.region-tile-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-2); }
.region-tile-metrics strong { color: var(--text); font-variant-numeric: tabular-nums; }

/* ---------- 地区资源池表 ---------- */
.cell-title { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 2px; }
.cell-title strong { font-size: var(--fs-md); }
.node-table td { vertical-align: top; }
.node-table .nm-label { max-width: 220px; }
.node-table .nm-flags { margin-top: 6px; }
.node-table td .small + .small { margin-top: 2px; }

.region-table th, .region-table td { padding: 7px 8px; vertical-align: middle; }
.region-table input { padding: 5px 9px; width: 100%; font-size: var(--fs-sm); }
.region-table input[type="number"] { width: 72px; }
.region-create-row {
  display: flex; gap: var(--sp-2); flex-wrap: wrap; align-items: center;
  margin-top: var(--sp-4); padding-top: var(--sp-4);
  border-top: 1px solid var(--border);
}
.region-create-row input { flex: 1; min-width: 150px; }

/* ---------- 用户卡片 ---------- */
.user-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: var(--sp-3);
}
.user-card {
  display: flex; flex-direction: column; gap: var(--sp-3);
  padding: var(--sp-4);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--panel-2);
  transition: border-color 0.15s ease;
}
.user-card:hover { border-color: var(--muted); }
.user-card.disabled { opacity: 0.55; }
.uc-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.uc-id-text { min-width: 0; }
.uc-name { font-weight: 600; font-size: var(--fs-md); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.uc-meta { margin-top: 2px; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.uc-usage-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-bottom: 6px; }
.uc-usage-head strong { font-variant-numeric: tabular-nums; }
.uc-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.uc-nodes { display: flex; flex-direction: column; gap: 4px; font-size: var(--fs-sm); }
.uc-node { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
.uc-node-name { color: var(--text); font-weight: 500; }
.uc-node .err { color: var(--danger); }
.uc-suburl {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 7px 10px;
}
.uc-suburl code { flex: 1; min-width: 0; color: var(--muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.uc-suburl-btns { display: flex; gap: 5px; flex: none; }
.uc-actions {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding-top: var(--sp-3); margin-top: auto;
  border-top: 1px solid var(--border);
}
.uc-actions .menu-wrap { margin-left: auto; }

/* ---------- 空状态 ---------- */
.empty {
  grid-column: 1 / -1;
  padding: var(--sp-8) var(--sp-4);
  text-align: center;
  color: var(--muted);
  font-size: var(--fs-sm);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .form-grid { grid-template-columns: 1fr 1fr; }
  .node-monitor-grid, .user-grid { grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); }
}

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  aside {
    position: sticky; top: 0; z-index: 40; height: auto;
    flex-direction: row; align-items: center; flex-wrap: wrap;
    gap: var(--sp-3); padding: 10px var(--sp-4);
    border-right: none; border-bottom: 1px solid var(--border);
  }
  .brand { padding: 0; font-size: var(--fs-md); }
  aside nav { display: flex; flex-wrap: wrap; gap: 2px; flex: 1; }
  aside nav button { padding: 6px 10px; }
  aside nav button .ic { display: none; }
  .logout { margin-top: 0; margin-left: auto; padding: 6px 10px; }
  .logout .ic { display: none; }
  .top { flex-direction: column; align-items: stretch; }
  .auto-hint { display: none; }
  .form-grid, .mode-cards { grid-template-columns: 1fr; }
  .form-grid .span2 { grid-column: auto; }
  .node-monitor-grid, .user-grid, .region-board { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .grid { grid-template-columns: 1fr 1fr; }
  .stat strong { font-size: 19px; }
  .card { padding: var(--sp-4); }
  .table-wrap { margin: 0 calc(var(--sp-4) * -1); padding: 0 var(--sp-4); }
  .modal-mask { padding: var(--sp-3); }
  .modal-card { padding: var(--sp-4); }
  .region-tile-metrics { grid-template-columns: 1fr 1fr; }
}