/* ============================================================
   卫通多波束阵面设计工具 · 全新视觉 (工程控制台暗色系)
   ============================================================ */
:root{
  --bg:#05070d;
  --bg2:#080b15;
  --panel:#0c1220;
  --panel2:#0f1728;
  --line:#1c2942;
  --line2:#26375a;
  --txt:#dbe6f5;
  --mut:#7f93b8;
  --dim:#55688f;
  --teal:#5eead4;
  --sky:#38bdf8;
  --vio:#818cf8;
  --amber:#fbbf24;
  --red:#fb7185;
  --grad:linear-gradient(135deg,#5eead4,#38bdf8 55%,#818cf8);
  --mono:ui-monospace,'JetBrains Mono','SF Mono',Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{
  background:
    radial-gradient(1100px 520px at 78% -10%, rgba(56,189,248,.10), transparent 60%),
    radial-gradient(900px 480px at -8% 110%, rgba(94,234,212,.07), transparent 55%),
    var(--bg);
  color:var(--txt);
  font-family:var(--sans);
  font-size:14px;
  -webkit-font-smoothing:antialiased;
}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#22314f;border-radius:8px;border:2px solid var(--bg)}
::-webkit-scrollbar-track{background:transparent}
.app{display:flex;flex-direction:column;min-height:100vh;padding:14px 16px 10px;max-width:1720px;margin:0 auto;gap:12px}

/* ── 顶栏 ── */
.topbar{display:flex;align-items:center;gap:14px;padding:4px 2px 2px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:42px;height:42px;border-radius:12px;background:var(--panel);border:1px solid var(--line2);
  display:flex;align-items:center;justify-content:center;color:var(--sky);
  box-shadow:inset 0 0 22px rgba(56,189,248,.14),0 0 0 1px rgba(94,234,212,.06)}
.brand-mark svg{width:24px;height:24px}
.brand-text h1{font-size:1.18rem;font-weight:700;letter-spacing:.02em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.brand-text p{font-size:.72rem;color:var(--mut);letter-spacing:.08em;text-transform:uppercase;margin-top:2px}
.dot{color:var(--dim)}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-left:auto}
.chip{font-family:var(--mono);font-size:.7rem;padding:4px 9px;border-radius:20px;
  background:var(--panel);border:1px solid var(--line);color:var(--mut);white-space:nowrap}
.chip b{color:var(--sky);font-weight:600}
.tag{border:1px solid var(--line2);color:var(--dim);border-radius:7px;padding:3px 8px;font-size:.68rem;font-family:var(--mono)}

/* ── 主栅格 ── */
.shell{display:grid;grid-template-columns:292px minmax(0,1fr) 318px;gap:12px;flex:1;align-items:start}
.col-a,.col-b,.col-c{display:flex;flex-direction:column;gap:12px;min-width:0}
.col-b{height:100%}
.grow-card{flex:1;display:flex;flex-direction:column;min-height:0}

/* ── 卡片 ── */
.card{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);
  border-radius:14px;padding:13px 14px;display:flex;flex-direction:column;gap:10px;
  box-shadow:0 8px 24px rgba(2,6,18,.35)}
.card-h{display:flex;align-items:center;gap:8px;font-weight:650;font-size:.92rem;letter-spacing:.02em}
.card-h .ci{color:var(--sky);font-size:1rem;width:20px;text-align:center}
.card-h .sub{margin-left:2px;color:var(--dim);font-size:.62rem;font-family:var(--mono);letter-spacing:.18em;align-self:flex-end;padding-bottom:2px}
.card-h .flex{flex:1}
.sub.right{margin-left:auto;color:var(--dim);font-size:.68rem;font-family:var(--mono)}

/* ── 表单 ── */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.f{display:flex;flex-direction:column;gap:4px;font-size:.68rem;color:var(--mut);letter-spacing:.05em}
.f.mini{width:82px}
.f.grow{flex:1}
input,select,button{font-family:var(--sans)}
input[type=number],select{
  background:#0a1120;border:1px solid var(--line);color:var(--txt);border-radius:8px;
  padding:6px 8px;font-size:.86rem;outline:none;transition:border .15s, box-shadow .15s;width:100%}
input[type=number]:focus,select:focus{border-color:var(--sky);box-shadow:0 0 0 3px rgba(56,189,248,.13)}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--mut) 50%),linear-gradient(135deg,var(--mut) 50%,transparent 50%);
  background-position:calc(100% - 14px) 55%,calc(100% - 9px) 55%;background-size:5px 5px;background-repeat:no-repeat;padding-right:26px}
.row{display:flex;align-items:flex-end;gap:8px}
.btnrow{display:flex;align-items:center;gap:6px}
.flex{flex:1}
.btn{
  border:1px solid transparent;border-radius:8px;padding:7px 12px;font-size:.84rem;cursor:pointer;
  background:var(--grad);color:#04121a;font-weight:650;white-space:nowrap;
  transition:filter .15s, transform .05s, opacity .15s}
.btn:hover{filter:brightness(1.12)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;border-color:var(--line2);color:var(--sky)}
.btn.ghost:hover{border-color:var(--sky);background:rgba(56,189,248,.08)}
.btn.sm{padding:5px 10px;font-size:.78rem}
.btn.grow{flex:1}
.btn.block{width:100%;text-align:center}
.btn:disabled{opacity:.4;cursor:not-allowed}
.grow{flex:1}

/* 开关 */
.switch-row{display:flex;align-items:center;gap:10px;font-size:.86rem;cursor:pointer;user-select:none}
.switch-row input{display:none}
.switch-row i{position:relative;width:38px;height:21px;background:#1a2742;border-radius:20px;transition:.2s}
.switch-row i::after{content:'';position:absolute;top:2.5px;left:3px;width:16px;height:16px;border-radius:50%;background:#8fa3c8;transition:.2s}
.switch-row input:checked + i{background:linear-gradient(135deg,#5eead4,#38bdf8)}
.switch-row input:checked + i::after{transform:translateX(16px);background:#05222b}

.auto{margin-top:2px;display:flex;flex-direction:column;gap:3px;font-family:var(--mono);font-size:.72rem;color:var(--mut);
  background:#0a1120;border:1px dashed var(--line);border-radius:9px;padding:8px 10px}
.auto b{color:var(--sky);font-weight:600}
.hint{font-size:.68rem;color:var(--dim);line-height:1.5}

/* 波束列表 */
.beamlist{display:flex;flex-direction:column;gap:5px;max-height:196px;overflow-y:auto;padding-right:2px}
.beam{display:flex;align-items:center;gap:7px;padding:5px 8px;border-radius:9px;border:1px solid var(--line);cursor:pointer;
  background:var(--panel);transition:.12s;font-size:.8rem}
.beam:hover{border-color:var(--line2)}
.beam.act{border-color:var(--sky);background:rgba(56,189,248,.09);box-shadow:0 0 0 1px rgba(56,189,248,.25)}
.beam .bd{width:9px;height:9px;border-radius:50%;flex:none}
.beam .bn{font-family:var(--mono);color:var(--mut);font-size:.72rem;width:34px;flex:none}
.beam .ba{font-family:var(--mono);font-size:.76rem;color:var(--txt)}
.beam .ba em{color:var(--dim);font-style:normal}
.beam .bx{margin-left:auto;width:20px;height:20px;border:none;background:transparent;color:var(--dim);
  border-radius:6px;cursor:pointer;font-size:.9rem;line-height:1}
.beam .bx:hover{background:rgba(251,113,133,.15);color:var(--red)}

/* 图表容器 */
.cwrap{position:relative;background:#080e1a;border:1px solid var(--line);border-radius:11px;overflow:hidden;flex:1;min-height:0;display:flex}
.cwrap.cut{height:212px;flex:0 0 auto}
.cwrap.cov{height:250px;flex:0 0 auto}
.cwrap.phm{height:166px;flex:0 0 auto}
.cwrap canvas{flex:1 1 0;min-width:0;height:100%;width:auto}
#c3dLeg,#phLeg{flex:0 0 46px;width:46px}
.cwrap.phm #phLeg{flex-basis:54px;width:54px}
[hidden]{display:none !important}
.fig-foot{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:.7rem;color:var(--mut);min-height:16px;flex-wrap:wrap}
.fig-foot .read{margin-left:auto;color:var(--teal)}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mini-select{width:auto;min-width:110px;font-size:.78rem;padding:4px 24px 4px 8px}
.hint-ic{font-size:.68rem;color:var(--dim)}
.seg-btn{border:1px solid var(--line2);background:transparent;color:var(--mut);border-radius:7px;
  font-size:.68rem;padding:3px 9px;cursor:pointer;font-family:var(--mono)}
.seg-btn:hover{color:var(--sky);border-color:var(--sky)}

/* 指标 */
.metric{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.metric .mi{background:#0a1120;border:1px solid var(--line);border-radius:9px;padding:7px 9px}
.metric .mi .mk{font-size:.62rem;color:var(--dim);letter-spacing:.06em}
.metric .mi .mv{font-family:var(--mono);font-size:.88rem;color:var(--teal);font-weight:600;margin-top:2px;word-break:break-all}
.metric .mi .mv.warn{color:var(--amber)}
.metric .mi .mv.bad{color:var(--red)}
.metric .mi.span2{grid-column:span 2}

/* 底栏 */
.foot{display:flex;gap:12px;color:var(--dim);font-size:.68rem;padding:2px 2px 4px;align-items:center;flex-wrap:wrap}
.foot .flex{flex:1}

/* ── 弹层 ── */
.modal{position:fixed;inset:0;background:rgba(3,6,14,.72);backdrop-filter:blur(4px);z-index:50;
  display:flex;align-items:center;justify-content:center;padding:22px}
.modal-box{width:min(1180px,96vw);max-height:92vh;display:flex;flex-direction:column;gap:10px;
  background:linear-gradient(180deg,#0d1526,#0a101f);border:1px solid var(--line2);border-radius:16px;padding:16px}
.x{border:none;background:transparent;color:var(--mut);font-size:1rem;cursor:pointer;border-radius:7px;width:30px;height:30px}
.x:hover{background:rgba(251,113,133,.15);color:var(--red)}
.tab-bar{display:flex;align-items:flex-end;gap:9px;flex-wrap:wrap}
.tab-bar .sep{color:var(--dim);padding-bottom:8px}
.tabwrap{overflow:auto;border:1px solid var(--line);border-radius:11px;flex:1;min-height:180px;background:#080e1a}
table.tab{border-collapse:collapse;width:100%;font-family:var(--mono);font-size:.74rem}
table.tab th,table.tab td{border:1px solid #182540;padding:4px 7px;white-space:nowrap;text-align:right}
table.tab th{position:sticky;top:0;background:#101b31;color:var(--sky);font-weight:600;text-align:center;z-index:2}
table.tab td.idx{color:var(--dim);text-align:center}
table.tab td.bh{background:rgba(94,234,212,.06);color:var(--teal)}
tr:nth-child(even) td{background:rgba(255,255,255,.012)}
table.tab td[data-g0]{color:var(--sky)}

/* 响应式 */
@media (max-width:1420px){
  .shell{grid-template-columns:272px minmax(0,1fr);}
  .col-c{grid-column:1 / -1;display:grid;grid-template-columns:1fr 1fr 1fr;align-items:start}
}
@media (max-width:1080px){
  .shell{grid-template-columns:minmax(0,1fr)}
  .col-a,.col-c{grid-column:auto}
  .duo{grid-template-columns:1fr}
  .col-c{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .topbar{flex-wrap:wrap}
  .chips{order:4;width:100%}
  .col-c{grid-template-columns:1fr}
  .grid2{grid-template-columns:1fr 1fr}
  body{font-size:13px}
}