/* ===== 机场运维面板 — 深色主题 ===== */
:root {
  /* 表面与文字（dataviz 参考实例 · dark） */
  --page: #0d0d0d;
  --surface: #1a1a19;
  --surface-2: #222221;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --ink-mut: #898781;
  --grid: #2c2c2a;
  --baseline: #383835;
  --border: rgba(255, 255, 255, 0.10);
  /* 系列色（分类槽位，固定顺序） */
  --s1: #3987e5; --s2: #199e70; --s3: #c98500; --s4: #008300;
  --s5: #9085e9; --s6: #e66767; --s7: #d55181; --s8: #d95926;
  /* 状态色（保留，不作系列色） */
  --good: #0ca30c;
  --warn: #fab219;
  --serious: #ec835a;
  --crit: #d03b3b;
  --accent: #3987e5;
  --radius: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  background: var(--page);
  color: var(--ink-2);
  font: 14px/1.6 system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
::selection { background: rgba(57, 135, 229, .35); }

/* ---------- 登录 ---------- */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(900px 400px at 50% -10%, rgba(57,135,229,.12), transparent 60%), var(--page);
}
.login-card {
  width: 360px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 36px 32px;
}
.login-card h1 { color: var(--ink); font-size: 20px; margin-bottom: 4px; }
.login-card p { color: var(--ink-mut); font-size: 13px; margin-bottom: 24px; }

/* ---------- 布局 ---------- */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 212px; flex: none; background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.logo { padding: 20px 20px 14px; color: var(--ink); font-weight: 700; font-size: 16px; letter-spacing: .5px; }
.logo small { display: block; color: var(--ink-mut); font-weight: 400; font-size: 11px; margin-top: 2px; }
.nav { flex: 1; padding: 6px 10px; }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px; margin: 2px 0;
  border-radius: 8px; color: var(--ink-2); cursor: pointer; user-select: none; font-size: 13.5px;
}
.nav-item:hover { background: rgba(255,255,255,.05); }
.nav-item.active { background: rgba(57,135,229,.16); color: var(--ink); }
.nav-item .ico { width: 18px; text-align: center; }
.sidebar-foot { padding: 14px 20px; border-top: 1px solid var(--border); font-size: 12px; color: var(--ink-mut); }
.sidebar-foot a { cursor: pointer; }

.main { flex: 1; min-width: 0; padding: 24px 28px 60px; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; gap: 12px; flex-wrap: wrap; }
.page-head h2 { color: var(--ink); font-size: 18px; }
.page-head .sub { color: var(--ink-mut); font-size: 12.5px; margin-top: 2px; }
.head-actions { display: flex; gap: 8px; align-items: center; }

/* ---------- 通用组件 ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.card + .card { margin-top: 16px; }
.card-h { padding: 14px 18px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.card-h h3 { color: var(--ink); font-size: 14px; font-weight: 600; }
.card-b { padding: 16px 18px; }

.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--ink-2);
  font-size: 13px; cursor: pointer; transition: .15s; white-space: nowrap;
}
.btn:hover { border-color: rgba(255,255,255,.25); color: var(--ink); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.12); }
.btn.danger { color: #f0908f; border-color: rgba(208,59,59,.4); }
.btn.danger:hover { background: rgba(208,59,59,.15); color: #ff9f9f; }
.btn.sm { padding: 4px 10px; font-size: 12px; border-radius: 6px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

input, select, textarea {
  width: 100%; background: var(--page); color: var(--ink);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; font-size: 13.5px;
  font-family: inherit; outline: none; transition: border-color .15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 90px; }
label.f { display: block; margin-bottom: 12px; }
label.f span { display: block; font-size: 12.5px; color: var(--ink-mut); margin-bottom: 5px; }
.f-row { display: flex; gap: 12px; }
.f-row > * { flex: 1; }
.checkbox { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 13.5px; color: var(--ink-2); }
.checkbox input { width: auto; accent-color: var(--accent); }

table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th {
  text-align: left; color: var(--ink-mut); font-weight: 500; font-size: 12px;
  padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
.tbl td { padding: 10px 12px; border-bottom: 1px solid var(--grid); vertical-align: middle; }
.tbl tr:last-child td { border-bottom: none; }
.tbl tr.row-click:hover { background: rgba(255,255,255,.03); }
.tbl .num { font-variant-numeric: tabular-nums; }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }
.dot.good { background: var(--good); }
.dot.crit { background: var(--crit); }
.dot.warn { background: var(--warn); }
.dot.off { background: var(--ink-mut); }

.badge {
  display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 999px;
  font-size: 12px; border: 1px solid var(--border); color: var(--ink-2); white-space: nowrap;
}
.badge.good { color: #4ec04e; border-color: rgba(12,163,12,.4); background: rgba(12,163,12,.1); }
.badge.crit { color: #f0908f; border-color: rgba(208,59,59,.4); background: rgba(208,59,59,.12); }
.badge.warn { color: var(--warn); border-color: rgba(250,178,25,.35); background: rgba(250,178,25,.1); }
.badge.mut { color: var(--ink-mut); }

/* 统计块 */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 16px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.stat .k { font-size: 12.5px; color: var(--ink-mut); margin-bottom: 6px; }
.stat .v { font-size: 26px; font-weight: 700; color: var(--ink); line-height: 1.2; }
.stat .v small { font-size: 13px; color: var(--ink-mut); font-weight: 400; }
.stat.crit .v { color: #f0908f; }
.stat.good .v { color: #4ec04e; }

/* 模态框 */
.modal-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,.6); backdrop-filter: blur(2px);
  display: flex; align-items: flex-start; justify-content: center; padding: 8vh 16px; z-index: 100;
}
.modal {
  width: 520px; max-width: 100%; max-height: 84vh; overflow: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
}
.modal.wide { width: 760px; }
.modal-h { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.modal-h h3 { color: var(--ink); font-size: 15px; }
.modal-h .x { cursor: pointer; color: var(--ink-mut); font-size: 18px; padding: 0 4px; }
.modal-h .x:hover { color: var(--ink); }
.modal-b { padding: 20px; }
.modal-f { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

/* Toast */
#toasts { position: fixed; top: 18px; right: 18px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--surface-2); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  color: var(--ink); padding: 10px 16px; border-radius: 8px; font-size: 13px; max-width: 380px;
  box-shadow: 0 6px 24px rgba(0,0,0,.4); animation: slide-in .18s ease;
}
.toast.err { border-left-color: var(--crit); }
.toast.ok { border-left-color: var(--good); }
@keyframes slide-in { from { transform: translateX(30px); opacity: 0; } }

/* ---------- 域名监控 ---------- */
.probe-cell { display: flex; flex-direction: column; gap: 2px; font-size: 12px; }
.probe-line { display: flex; align-items: center; gap: 4px; white-space: nowrap; }
.probe-line .lat { color: var(--ink); font-variant-numeric: tabular-nums; }
.probe-line .region-tag { color: var(--ink-mut); }
.chart-row td { background: var(--page); padding: 16px; }
.chart-box { position: relative; }
.chart-box canvas { width: 100%; height: 240px; display: block; }
.chart-legend { display: flex; gap: 16px; flex-wrap: wrap; padding: 8px 4px 0; font-size: 12px; color: var(--ink-2); }
.chart-legend .chip { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
.chart-tip {
  position: absolute; pointer-events: none; background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 12px; font-size: 12px; color: var(--ink-2); z-index: 5;
  box-shadow: 0 4px 16px rgba(0,0,0,.5); white-space: nowrap; display: none;
}
.chart-tip b { color: var(--ink); font-variant-numeric: tabular-nums; }
.hours-tabs { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.hours-tabs span { padding: 4px 12px; font-size: 12px; cursor: pointer; color: var(--ink-mut); }
.hours-tabs span.on { background: rgba(57,135,229,.2); color: var(--ink); }

/* ---------- OSS ---------- */
.oss-grid { display: grid; grid-template-columns: 250px 1fr; gap: 16px; align-items: start; }
.oss-provider {
  padding: 12px 14px; border-radius: 8px; cursor: pointer; border: 1px solid transparent; margin-bottom: 6px;
}
.oss-provider:hover { background: rgba(255,255,255,.04); }
.oss-provider.on { background: rgba(57,135,229,.14); border-color: rgba(57,135,229,.35); }
.oss-provider .t { color: var(--ink); font-size: 13.5px; }
.oss-provider .d { color: var(--ink-mut); font-size: 11.5px; margin-top: 2px; }
.crumb { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; font-size: 13px; }
.crumb a { cursor: pointer; }
.crumb .sep { color: var(--ink-mut); }
.file-row { display: flex; align-items: center; gap: 10px; }
.file-ico { width: 20px; text-align: center; flex: none; }
.drop-hint {
  border: 1px dashed var(--baseline); border-radius: 8px; padding: 8px 14px; color: var(--ink-mut);
  font-size: 12px; text-align: center; margin-top: 10px;
}
.drop-hint.over { border-color: var(--accent); color: var(--accent); background: rgba(57,135,229,.08); }

/* ---------- AI 聊天 ---------- */
.ai-grid { display: grid; grid-template-columns: 230px 1fr; gap: 16px; align-items: start; }
.chat-wrap { display: flex; flex-direction: column; height: calc(100vh - 150px); min-height: 480px; }
.chat-msgs { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.msg { max-width: 82%; }
.msg .who { font-size: 11.5px; color: var(--ink-mut); margin-bottom: 4px; }
.msg .bubble {
  padding: 10px 14px; border-radius: 12px; font-size: 13.5px; white-space: pre-wrap; word-break: break-word;
}
.msg.user { align-self: flex-end; }
.msg.user .bubble { background: rgba(57,135,229,.22); color: var(--ink); border: 1px solid rgba(57,135,229,.35); }
.msg.assistant .bubble { background: var(--surface-2); color: var(--ink-2); border: 1px solid var(--border); }
.msg .tools { margin-top: 6px; font-size: 12px; }
.msg .tools summary { cursor: pointer; color: var(--ink-mut); }
.msg .tools .titem { padding: 4px 8px; margin-top: 4px; background: var(--page); border: 1px solid var(--grid); border-radius: 6px; font-family: ui-monospace, monospace; font-size: 11.5px; overflow-x: auto; }
.chat-input { border-top: 1px solid var(--border); padding: 12px; display: flex; gap: 10px; align-items: flex-end; }
.chat-input textarea { min-height: 44px; max-height: 160px; }
.chat-session { padding: 10px 12px; border-radius: 8px; cursor: pointer; font-size: 12.5px; margin-bottom: 4px; display: flex; justify-content: space-between; gap: 6px; align-items: center; }
.chat-session:hover { background: rgba(255,255,255,.04); }
.chat-session.on { background: rgba(57,135,229,.14); }
.chat-session .del { color: var(--ink-mut); cursor: pointer; visibility: hidden; }
.chat-session:hover .del { visibility: visible; }
.typing { color: var(--ink-mut); font-size: 12.5px; padding: 0 18px 10px; }
.typing .d { display: inline-block; animation: blink 1.2s infinite; }
.typing .d:nth-child(2) { animation-delay: .2s; } .typing .d:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%,60%,100% { opacity: .25; } 30% { opacity: 1; } }

/* ---------- 其它 ---------- */
.empty { text-align: center; color: var(--ink-mut); padding: 40px 0; font-size: 13px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }
.code-box {
  background: var(--page); border: 1px solid var(--grid); border-radius: 8px; padding: 10px 12px;
  font-family: ui-monospace, monospace; font-size: 12px; word-break: break-all; white-space: pre-wrap;
  color: var(--ink-2); position: relative;
}
.hint { font-size: 12px; color: var(--ink-mut); margin-top: 6px; line-height: 1.5; }
.sec-title { color: var(--ink); font-size: 13.5px; font-weight: 600; margin: 18px 0 10px; }
.sec-title:first-child { margin-top: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
@media (max-width: 900px) {
  .oss-grid, .ai-grid, .grid-2 { grid-template-columns: 1fr; }
  .sidebar { width: 60px; }
  .sidebar .txt, .logo small, .sidebar-foot { display: none; }
}