:root{
  --bg:#eef1f6; --panel:#ffffff; --ink:#1f2733; --sub:#647084; --line:#e3e8ef;
  --brand:#2f6df0; --brand2:#16a085; --warn:#e67e22; --bad:#e74c3c; --ok:#27ae60;
  --chip:#eef3ff; --chip2:#e8f7f2; --side:#1f2733; --side2:#2b3543;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden;font-family:-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);font-size:13.5px}
a{cursor:pointer;color:var(--brand)}

/* 登录 */
.login-wrap{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#2f6df0,#16a085);z-index:50}
.login-card{background:#fff;border-radius:16px;padding:28px 32px;width:360px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.login-card h1{margin:0;font-size:22px;color:var(--brand)}
.login-card .sub{color:var(--sub);font-size:12px;margin:4px 0 16px}
.login-card h2{font-size:15px;margin:0 0 12px;color:var(--ink)}
.login-card input{width:100%;padding:10px 12px;margin-bottom:10px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-family:inherit}
.login-card input:focus{outline:2px solid var(--brand);border-color:var(--brand)}
.login-card .full{width:100%}
.login-card .switch{font-size:12px;color:var(--sub);text-align:center;margin-top:6px}
.login-card .err{color:var(--bad);font-size:12px;min-height:16px;margin:2px 0}
.login-card .hint{font-size:11.5px;color:var(--sub);margin-top:14px;border-top:1px solid var(--line);padding-top:10px;line-height:1.6}

button{font-family:inherit;font-size:13px;border:none;border-radius:8px;padding:7px 13px;cursor:pointer;background:#fff;color:var(--ink);border:1px solid var(--line);transition:.15s}
button:hover{box-shadow:0 2px 8px rgba(0,0,0,.08)}
button.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
button.ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.35)}
button.ghost:hover{background:rgba(255,255,255,.26)}

/* 布局：侧边栏 + 内容 */
#app{display:flex;height:100vh;overflow:hidden}
.sidebar{width:188px;background:var(--side);color:#cfd8e3;display:flex;flex-direction:column;flex-shrink:0}
.sidebar .logo{font-size:18px;font-weight:800;color:#fff;padding:16px 16px 0}
.sidebar .logo-sub{font-size:11.5px;color:#8a97a8;padding:2px 16px 12px;border-bottom:1px solid var(--side2)}
.sidebar nav{display:flex;flex-direction:column;padding:10px 10px;gap:4px;flex:1}
.sidebar nav button{background:transparent;color:#b9c4d2;border:none;text-align:left;padding:11px 14px;border-radius:9px;font-size:13.5px;font-weight:600;border-left:3px solid transparent}
.sidebar nav button:hover{background:var(--side2);box-shadow:none}
.sidebar nav button.active{background:var(--side2);color:#fff;border-left:3px solid var(--brand)}
.side-foot{padding:12px 12px 16px;border-top:1px solid var(--side2)}
.side-foot .who{font-size:12px;color:#9fb0c4;margin-bottom:8px;word-break:break-all}
.side-btn{display:block;width:100%;margin-bottom:7px;background:var(--side2);color:#dbe3ee;border:1px solid #3a4658;text-align:left}
.side-btn:hover{background:#364152}
.side-btn.danger{background:#3a2730;color:#ffb3b3;border-color:#5a2f3a}

.content{flex:1;display:flex;flex-direction:column;overflow:hidden}
.topbar{height:54px;flex-shrink:0;background:linear-gradient(120deg,#2f6df0,#16a085);color:#fff;display:flex;align-items:center;padding:0 18px;gap:14px}
.topbar .title{font-size:16px;font-weight:700}
.topbar .tools{margin-left:auto;display:flex;gap:8px}
.screens{flex:1;overflow:hidden;padding:14px}
.screen{display:none;height:100%}
.screen.active{display:flex;flex-direction:column;gap:12px}

/* 看板卡片 / KPI */
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;box-shadow:0 1px 3px rgba(20,30,50,.05)}
.card.hl{border:1px solid #f3d3ac;background:#fffaf2}
.card h2{font-size:14.5px;margin:0 0 9px;display:flex;align-items:center;gap:8px}
.card h2 .dot{width:9px;height:9px;border-radius:50%;background:var(--brand);flex-shrink:0}
.mini h3{font-size:12.5px;margin:0 0 8px;color:var(--sub);font-weight:600}
.dash-2{display:grid;grid-template-columns:1.35fr 1fr;gap:12px;flex:1;min-height:0}
.dash-2 .card{display:flex;flex-direction:column;min-height:0}
.chart-card{flex:1;min-height:0}
.chart-card>div:not(.legend){flex:1;min-height:0;display:flex;align-items:center;justify-content:center}
.chart-card svg{width:100%;height:auto;max-height:100%;display:block}

.kpis{display:flex;gap:10px}
.kpis .box{flex:1;min-width:0;background:linear-gradient(135deg,#f7faff,#eef3ff);border:1px solid var(--line);border-radius:12px;padding:9px 13px}
.kpis .box.f{background:linear-gradient(135deg,#fff6ec,#ffeccf)}
.kpis .v{font-size:21px;font-weight:800;color:var(--brand);line-height:1.1}
.kpis .box.f .v{color:var(--warn)}
.kpis .l{font-size:11.5px;color:var(--sub);margin-top:3px}

.legend{display:flex;gap:14px;font-size:11.5px;color:var(--sub);margin-top:6px;flex-wrap:wrap}
.legend i{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:4px;vertical-align:-1px}
.note{font-size:11px;color:var(--sub);line-height:1.5;background:#fbfcfe;border-left:3px solid var(--brand);padding:6px 10px;border-radius:0 7px 7px 0;margin-top:8px}
.sub2{font-size:11.5px;color:var(--sub);margin-top:8px}
.scroll-y{overflow:auto}
.scroll-x{overflow-x:auto}

/* 参数网格 */
.param-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media(max-width:1100px){.param-grid{grid-template-columns:repeat(2,1fr)}}
.mini{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:11px 13px;box-shadow:0 1px 3px rgba(20,30,50,.04)}

/* 表格 / 输入 */
table{border-collapse:collapse;width:100%;font-size:12.5px}
th,td{border:1px solid var(--line);padding:5px 7px;text-align:center}
th{background:#f3f6fb;font-weight:600;color:var(--sub)}
td.model{background:#fafbfd;font-weight:600;text-align:left;white-space:nowrap}
td.fut,th.fut{background:#fff3e0}
input.cell{width:64px;text-align:center;border:1px solid #d6deea;border-radius:6px;padding:4px 3px;font-size:12.5px;font-family:inherit}
input.cell.sm{width:46px}
input.cell:focus{outline:2px solid var(--brand);border-color:var(--brand)}
.na{color:#b9c2cf}
.fname{font-weight:600;color:var(--brand2)}

.alert{font-size:12px;border-radius:8px;padding:7px 11px;margin-top:8px}
.alert.warn{background:#fff4e8;color:#9a5b13;border:1px solid #f3d3ac}
.alert.bad{background:#fdecea;color:#a23326;border:1px solid #f3bcb4}
.alert.ok{background:#e8f7f2;color:#0f7a5e;border:1px solid #b8e6d6}
.muted{font-size:11.5px;color:var(--sub)}
.gran-switch{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.gran-switch button{background:#e9edf3;color:var(--sub);border:none;padding:6px 14px;border-radius:8px;font-weight:600}
.gran-switch button.active{background:var(--brand);color:#fff}
select{font-family:inherit;font-size:12.5px;padding:4px 8px;border-radius:7px;border:1px solid var(--line)}

/* 修改密码弹窗 */
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(20,30,50,.45);z-index:60}
.modal-card{background:#fff;border-radius:14px;padding:22px 24px;width:320px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal-card h2{margin:0 0 14px;font-size:16px}
.modal-card input{width:100%;padding:9px 11px;margin-bottom:10px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-family:inherit}
.modal-card input:focus{outline:2px solid var(--brand);border-color:var(--brand)}
.modal-card .err{color:var(--bad);font-size:12px;min-height:16px;margin:2px 0}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:4px}

.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#1f2733;color:#fff;padding:10px 18px;border-radius:10px;font-size:13px;opacity:0;transition:.25s;pointer-events:none;z-index:99}
.toast.show{opacity:1}