:root {
  --bg: #0a0e13;
  --bg2: #0f151d;
  --panel: #131a24;
  --panel2: #18212d;
  --line: #23303f;
  --text: #e7eef7;
  --muted: #8b9cb2;
  --dim: #5d6b7d;
  --accent: #4a9eff;
  --vfr: #2ecc71;
  --mvfr: #4a9eff;
  --ifr: #ff5252;
  --lifr: #b06bff;
  --warn: #f5a623;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: radial-gradient(1200px 600px at 50% -200px, #16202c 0%, var(--bg) 60%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 顶栏 ---------- */
.topbar {
  display: flex; align-items: center; gap: 18px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 14, 19, .82);
  backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 20;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: baseline; gap: 9px; }
.brand h1 { font-size: 17px; margin: 0; font-weight: 600; letter-spacing: .3px; }
.brand .sub { font-size: 11px; color: var(--dim); letter-spacing: 1.6px; }
.brand .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--vfr); box-shadow: 0 0 10px var(--vfr);
  align-self: center;
}
.search { display: flex; gap: 8px; flex: 1; max-width: 460px; }
.search input {
  flex: 1; min-width: 140px;
  background: var(--panel); border: 1px solid var(--line);
  color: var(--text); padding: 9px 13px; border-radius: 8px;
  font-family: var(--mono); font-size: 15px; letter-spacing: 1.5px;
  text-transform: uppercase; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(74,158,255,.12); }
.search input::placeholder { color: var(--dim); letter-spacing: 0; text-transform: none; font-family: inherit; font-size: 14px; }

.btn {
  background: var(--panel2); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 9px 16px; font-size: 14px; cursor: pointer;
  transition: background .15s, border-color .15s, transform .05s;
  white-space: nowrap;
}
.btn:hover { background: #1e2937; border-color: #2f3d4f; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #05121f; font-weight: 600; }
.btn.primary:hover { background: #61adff; }
.btn.ghost { background: transparent; padding: 6px 11px; font-size: 13px; color: var(--muted); }
.btn.ghost:hover { color: var(--text); background: var(--panel2); }

.units { display: flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.unit {
  background: transparent; border: 0; color: var(--muted);
  padding: 8px 13px; cursor: pointer; font-size: 13px; font-family: var(--mono);
}
.unit.on { background: var(--panel2); color: var(--text); }
.unit:hover { color: var(--text); }

/* ---------- 标签页 ---------- */
.tabs {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 22px 0; border-bottom: 1px solid var(--line);
  max-width: 1180px; margin: 0 auto;
}
.tab {
  background: transparent; border: 0; color: var(--muted);
  padding: 9px 14px 12px; cursor: pointer; font-size: 14px;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab.on { color: var(--text); border-bottom-color: var(--accent); }
.tab:hover { color: var(--text); }
.spacer { flex: 1; }
.recent { display: flex; gap: 6px; padding-bottom: 8px; }
.recent button {
  background: var(--panel); border: 1px solid var(--line); color: var(--muted);
  font-family: var(--mono); font-size: 11.5px; padding: 3px 8px; border-radius: 6px; cursor: pointer;
}
.recent button:hover { color: var(--text); border-color: #33445a; }

main { max-width: 1180px; margin: 0 auto; padding: 22px; }

/* ---------- 空状态 ---------- */
.empty { padding: 70px 10px; text-align: center; }
.empty .big { font-size: 20px; color: var(--text); margin: 0 0 8px; }
.empty .hint { color: var(--dim); font-size: 13px; margin: 0 0 26px; }
.chips { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.chip {
  background: var(--panel); border: 1px solid var(--line); color: var(--muted);
  padding: 7px 13px; border-radius: 20px; font-size: 13px; cursor: pointer;
  font-family: var(--mono);
}
.chip:hover { color: var(--text); border-color: var(--accent); }

/* ---------- 站点头 ---------- */
.result { animation: fade .22s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.station-head {
  display: flex; align-items: center; gap: 26px;
  padding: 18px 20px; border: 1px solid var(--line); border-radius: 12px;
  background: linear-gradient(180deg, #131b26 0%, #0f151d 100%);
  flex-wrap: wrap;
}
.id-block h2 { margin: 0; font-family: var(--mono); font-size: 30px; letter-spacing: 2px; }
.st-name { color: var(--muted); font-size: 13px; margin-top: 2px; }
.meta-block { display: flex; gap: 22px; margin-left: auto; }
.meta { display: flex; flex-direction: column; gap: 1px; }
.meta .k { font-size: 11px; color: var(--dim); letter-spacing: .5px; }
.meta .v { font-family: var(--mono); font-size: 13px; color: var(--text); }
.cat-block { text-align: center; min-width: 96px; }
.badge {
  font-family: var(--mono); font-weight: 700; font-size: 17px; letter-spacing: 1.5px;
  padding: 7px 12px; border-radius: 8px; border: 1px solid;
}
.badge.VFR  { color: var(--vfr);  border-color: rgba(46,204,113,.45);  background: rgba(46,204,113,.1); }
.badge.MVFR { color: var(--mvfr); border-color: rgba(74,158,255,.45);  background: rgba(74,158,255,.1); }
.badge.IFR  { color: var(--ifr);  border-color: rgba(255,82,82,.45);   background: rgba(255,82,82,.1); }
.badge.LIFR { color: var(--lifr); border-color: rgba(176,107,255,.45); background: rgba(176,107,255,.1); }
.cat-desc { font-size: 11px; color: var(--dim); margin-top: 5px; }

/* ---------- 原文行 ---------- */
.raw-row {
  display: flex; align-items: center; gap: 10px;
  margin: 12px 0 18px; padding: 10px 13px;
  background: var(--bg2); border: 1px solid var(--line); border-radius: 9px;
}
.raw-row code {
  flex: 1; min-width: 0; font-family: var(--mono); font-size: 12.5px; color: #b9cde2;
  overflow-x: auto; white-space: nowrap; letter-spacing: .3px;
  scrollbar-width: thin;
}
.small-row { margin: 12px 0 0; }

/* ---------- 卡片网格 ---------- */
.grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(178px, 1fr));
  margin-bottom: 18px;
}
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 11px; padding: 14px 16px;
}
.card-h { font-size: 11.5px; color: var(--dim); letter-spacing: 1px; margin-bottom: 8px; }
.big-val { font-family: var(--mono); font-size: 22px; letter-spacing: .5px; }
.small-val { font-size: 17px; }
.small { font-size: 12px; color: var(--muted); font-family: var(--mono); }

/* 风卡片 */
.wind { position: relative; }
.wind-main { display: flex; align-items: baseline; gap: 8px; white-space: nowrap; }
.wind-dir { font-family: var(--mono); font-size: 21px; }
.wind-spd { font-family: var(--mono); font-size: 19px; color: #cfe0f2; }
.wind-extra { font-size: 12px; color: var(--muted); margin-top: 3px; font-family: var(--mono); }
.compass {
  position: absolute; right: -2px; top: -6px; width: 42px; height: 42px; opacity: .5;
  border: 1px solid var(--line); border-radius: 50%;
  background:
    radial-gradient(circle at 50% 0%, rgba(74,158,255,.18) 0 2px, transparent 3px);
}
.needle {
  position: absolute; left: 50%; top: 50%; width: 2px; height: 17px;
  background: linear-gradient(180deg, var(--accent), transparent);
  transform-origin: 50% 100%; transform: translate(-50%, -100%) rotate(0deg);
  transition: transform .4s cubic-bezier(.2,.8,.2,1);
}
.needle::after {
  content: ''; position: absolute; left: 50%; bottom: -3px; width: 6px; height: 6px;
  border-radius: 50%; background: var(--accent); transform: translateX(-50%);
}

.clouds { font-family: var(--mono); font-size: 13px; line-height: 1.85; color: #cfe0f2; }
.clouds .cov { color: var(--muted); }

/* ---------- 面板 ---------- */
.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; padding: 16px 18px; margin-bottom: 16px;
}
.panel-h { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; flex-wrap: wrap; }
.panel-h h3 { margin: 0; font-size: 14.5px; font-weight: 600; }
.panel-tools { margin-left: auto; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.legend { font-size: 11.5px; color: var(--muted); display: inline-flex; align-items: center; gap: 5px; }
.sw { width: 9px; height: 9px; border-radius: 2px; display: inline-block; }
.sw.ok { background: #2a3849; }
.sw.warn { background: var(--warn); }
.sw.danger { background: var(--ifr); }
.chk { font-size: 12px; color: var(--muted); display: inline-flex; align-items: center; gap: 5px; cursor: pointer; }

.table-wrap { overflow-x: auto; }
.rwy-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.rwy-table th {
  text-align: left; font-weight: 500; font-size: 11.5px; color: var(--dim);
  padding: 7px 10px; border-bottom: 1px solid var(--line); letter-spacing: .5px;
}
.rwy-table td { padding: 9px 10px; border-bottom: 1px solid rgba(35,48,63,.6); }
.rwy-table tr:last-child td { border-bottom: 0; }
.rwy-table .num { text-align: right; font-family: var(--mono); }
.rwy-table .ident { font-family: var(--mono); font-size: 14px; letter-spacing: .8px; }
.rwy-table .active { color: var(--text); font-weight: 600; }
.rwy-table .inactive { color: var(--dim); font-family: var(--mono); }
.rwy-pair { display: flex; flex-direction: column; gap: 2px; }
.rwy-pair .sub { font-size: 11px; color: var(--dim); font-family: var(--mono); }

.xw { font-family: var(--mono); }
.xw.warn { color: var(--warn); }
.xw.danger { color: var(--ifr); font-weight: 600; }
.xw.tail { color: var(--lifr); }
.note { font-size: 11.5px; color: var(--dim); margin: 10px 0 0; }

/* ---------- TAF 时间轴 ---------- */
.timeline-wrap { margin: 6px 0 4px; }
.timeline {
  position: relative; height: 46px; overflow: hidden; border-radius: 8px; overflow: hidden;
  background: var(--bg2); border: 1px solid var(--line);
}
.seg {
  position: absolute; top: 0; bottom: 0;
  border-right: 1px solid rgba(0,0,0,.35);
  display: flex; align-items: center; justify-content: center;
  font-size: 10.5px; font-family: var(--mono); color: rgba(0,0,0,.62); font-weight: 600;
  overflow: hidden; white-space: nowrap;
}
.seg.tempo {
  top: auto; height: 46%;
  background-image: repeating-linear-gradient(45deg, rgba(255,255,255,.16) 0 5px, transparent 5px 10px);
  border-top: 1px solid rgba(0,0,0,.3);
}
.now-line { position: absolute; top: 0; bottom: 0; width: 2px; background: #fff; box-shadow: 0 0 8px rgba(255,255,255,.7); z-index: 3; }
.now-line::after {
  content: '现在'; position: absolute; top: -1px; left: 3px;
  font-size: 9.5px; color: #fff; background: rgba(0,0,0,.5); padding: 0 3px; border-radius: 3px;
}
.ticks { position: relative; height: 18px; margin-top: 4px; padding: 0 2px; }
.tick { position: absolute; font-size: 10px; color: var(--dim); font-family: var(--mono); transform: translateX(-50%); white-space: nowrap; }
.tick:first-child { transform: none; }
.tick:last-child { transform: translateX(-100%); }

.seg-list { margin-top: 14px; display: flex; flex-direction: column; gap: 1px; }
.seg-row {
  display: grid; grid-template-columns: 132px 74px 1fr; gap: 12px;
  padding: 9px 4px; border-bottom: 1px solid rgba(35,48,63,.45);
  font-size: 12.5px; align-items: baseline;
}
.seg-row:last-child { border-bottom: 0; }
.seg-time { font-family: var(--mono); color: var(--muted); font-size: 12px; }
.seg-tag { font-family: var(--mono); font-size: 11px; padding: 1px 7px; border-radius: 4px; display: inline-block; }
.seg-desc { color: #c7d6e6; font-size: 12.5px; }
.seg-desc .muted { color: var(--dim); }

/* ---------- 粘贴模式 ---------- */
.paste-box {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; padding: 16px 18px; margin-bottom: 16px;
}
.paste-box label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 9px; }
.paste-box textarea {
  width: 100%; resize: vertical; min-height: 88px;
  background: var(--bg2); color: var(--text);
  border: 1px solid var(--line); border-radius: 9px; padding: 11px 13px;
  font-family: var(--mono); font-size: 13px; line-height: 1.65; outline: none;
}
.paste-box textarea:focus { border-color: var(--accent); }
.paste-actions { display: flex; align-items: center; gap: 10px; margin-top: 11px; flex-wrap: wrap; }

.manual {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; padding: 16px 18px; margin-bottom: 16px;
}
.manual-h { font-size: 13px; color: var(--warn); margin-bottom: 12px; }
.manual-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.manual-row label { font-size: 12.5px; color: var(--muted); }
.manual-row input {
  width: 110px; background: var(--bg2); border: 1px solid var(--line);
  color: var(--text); padding: 8px 10px; border-radius: 8px;
  font-family: var(--mono); outline: none;
}
.manual-result { margin-top: 12px; font-family: var(--mono); font-size: 13px; color: #cfe0f2; }

.hidden { display: none !important; }

.foot {
  max-width: 1180px; margin: 30px auto 40px; padding: 16px 22px 0;
  border-top: 1px solid var(--line);
  display: flex; gap: 20px; justify-content: space-between; flex-wrap: wrap;
  color: var(--dim); font-size: 11.5px;
}
.disclaimer { color: var(--dim); font-size: 11.5px; text-align: center; margin: 22px 0 0; }

/* 小屏 */
@media (max-width: 720px) {
  .topbar { padding: 12px 14px; gap: 10px; }
  .search { max-width: none; order: 3; width: 100%; }
  .units { margin-left: auto; }
  main { padding: 14px; }
  .station-head { gap: 16px; }
  .meta-block { margin-left: 0; width: 100%; gap: 16px; }
  .cat-block { margin-left: auto; }
  .seg-row { grid-template-columns: 1fr; gap: 3px; }
  .rwy-table td, .rwy-table th { padding: 8px 6px; }
}

/* 风卡片数值自适应 */
.card .wind-main { flex-wrap: nowrap; overflow: hidden; }
@media (max-width: 420px) {
  .wind-dir { font-size: 19px; } .wind-spd { font-size: 17px; }
}