:root{
  --bg:#f6f7f9; --card:#ffffff; --ink:#14181f; --ink2:#5a6472; --ink3:#8b95a3;
  --line:#e3e7ec; --brand:#1f3864; --brand2:#2f5fa8; --red:#c62828; --green:#2e7d32;
  --amber:#b26a00; --radius:14px;
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 8px 24px rgba(16,24,40,.06);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue","Microsoft YaHei",Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:var(--font);font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased}
h1,h2{margin:0}
button{font-family:inherit}

/* ---------------- top bar ---------------- */
.topbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 20px;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.logo{width:32px;height:32px;border-radius:9px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:17px;flex:0 0 auto}
.titles{min-width:0}
.titles h1{font-size:16px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sub{font-size:11.5px;color:var(--ink2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.actions{display:flex;align-items:center;gap:7px;flex:0 0 auto}
.langswitch{display:flex;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fff}
.langswitch button{border:0;background:transparent;padding:6px 11px;font-size:12.5px;cursor:pointer;color:var(--ink2)}
.langswitch button.on{background:var(--brand);color:#fff}
.btn{border:1px solid var(--line);background:#fff;color:var(--ink);padding:7px 13px;border-radius:9px;font-size:12.5px;cursor:pointer;
  transition:.15s;white-space:nowrap}
.btn:hover{border-color:#c9d2de;background:#fbfcfd}
.btn.ghost{padding:7px 9px}
.menu{position:fixed;right:20px;top:58px;z-index:50;background:#fff;border:1px solid var(--line);border-radius:11px;
  box-shadow:var(--shadow);padding:5px;min-width:170px}
.menu button{display:block;width:100%;text-align:left;border:0;background:transparent;padding:9px 12px;border-radius:8px;
  cursor:pointer;font-size:13px;color:var(--ink)}
.menu button:hover{background:#f2f5f9}

/* ---------------- layout ---------------- */
section{padding:16px 20px}
.sec-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:11px;flex-wrap:wrap}
.sec-head h2{font-size:14.5px;font-weight:700}
.hint{font-size:11.5px;color:var(--ink3)}

/* ---------------- kpi ---------------- */
.kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow)}
.k-label{font-size:12px;color:var(--ink2);margin-bottom:4px}
.k-val{font-size:28px;font-weight:700;letter-spacing:-.5px;line-height:1.15}
.k-val i{font-size:13px;font-style:normal;color:var(--ink3);margin-left:2px}
.bar{height:6px;background:#eef1f5;border-radius:99px;overflow:hidden;margin:9px 0 7px}
.bar b{display:block;height:100%;background:linear-gradient(90deg,#2f5fa8,#1f3864);border-radius:99px;transition:width .4s}
.bar b.red{background:linear-gradient(90deg,#e57373,#c62828)}
.k-foot{font-size:11.5px;color:var(--ink3)}
.k-date input{width:100%;font-size:15px;font-weight:600;border:1px solid var(--line);border-radius:8px;padding:6px 9px;
  color:var(--brand);background:#fbfcfe;font-family:inherit}
.chips{display:flex;flex-wrap:wrap;gap:5px}
.chip{font-size:11.5px;padding:3px 8px;border-radius:99px;background:#f2f5f9;color:var(--ink2);display:inline-flex;align-items:center;gap:4px}
.chip i{display:inline-block;width:6px;height:6px;border-radius:50%}
.chip b{font-weight:700;color:var(--ink)}

/* ---------------- milestone ---------------- */
.ms-wrap{padding-top:2px}
.ms-track{display:grid;grid-template-columns:repeat(6,1fr);gap:11px}
.ms{background:#fff;border:1px solid var(--line);border-radius:12px;padding:11px 13px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.ms:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand);opacity:.8}
.ms.done:before{background:var(--green)}
.ms.blocked:before{background:var(--red)}
.ms.doing:before{background:#e0a325}
.ms-code{font-size:11px;font-weight:700;color:var(--brand2);letter-spacing:.5px}
.ms-name{font-size:13px;font-weight:600;margin:1px 0 5px}
.ms-date{font-size:11.5px;color:var(--ink2);cursor:pointer;display:inline-flex;align-items:center;gap:3px}
.ms-date[data-locked="1"]{color:var(--brand2);font-weight:600}
.ms-date:hover{color:var(--brand2)}
.ms-owner{font-size:11px;color:var(--ink3);margin-top:1px}
.ms-status{margin-top:8px;display:inline-flex;align-items:center;font-size:11px;padding:2px 9px;border-radius:99px;
  background:#f2f5f9;color:var(--ink2);cursor:pointer;border:1px dashed #d5dce5;user-select:none}
.ms-status:hover{border-color:var(--brand2);color:var(--brand2)}
.ms.done .ms-status{background:#e7f4e9;color:#1b5e20;border-color:#b8e0bd}
.ms.blocked .ms-status{background:#fdeaea;color:#a01a1a;border-color:#f3c0c0}
.ms.doing .ms-status{background:#fdf3dc;color:#8a5a00;border-color:#f0ddaa}

/* ---------------- gantt ---------------- */
.gantt-wrap{padding-top:0}
.gantt{display:flex;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;max-height:520px}
.g-left{flex:0 0 250px;border-right:1px solid var(--line);overflow:hidden}
.g-right{flex:1;overflow:auto;position:relative}
.g-axis{height:28px;border-bottom:1px solid var(--line);background:#fafbfc;position:sticky;top:0;z-index:5}
.g-axis span{position:absolute;top:0;height:28px;font-size:10px;color:var(--ink3);display:flex;align-items:center;
  justify-content:center;border-left:1px dashed #eceff3}
.g-body{position:relative}
.g-row,.g-ph,.g-spacer,.g-line{height:25px}
.g-row{display:flex;align-items:center;font-size:11.5px;padding:0 9px;gap:7px;cursor:pointer;border-bottom:1px solid #f4f6f8}
.g-row:hover{background:#f6f9fd}
.g-row .c{color:var(--ink3);width:32px;flex:0 0 auto;font-variant-numeric:tabular-nums}
.g-row .n{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.g-ph{display:flex;align-items:center;padding:0 9px;font-size:11px;font-weight:700;color:var(--brand);
  background:#eef3fb;border-bottom:1px solid #e3ebf6;border-top:1px solid #e3ebf6}
.g-spacer{background:#f7f9fc;border-bottom:1px solid #eef1f5}
.g-line{position:relative;border-bottom:1px solid #f4f6f8;cursor:pointer}
.g-line:hover{background:#f6f9fd}
.g-line.ms-line{background:#fcfdfe}
.g-bar{position:absolute;top:5px;height:15px;border-radius:4px;background:linear-gradient(90deg,#5b8fd6,#1f3864)}
.g-bar.done{background:linear-gradient(90deg,#66bb6a,#2e7d32)}
.g-bar.blocked{background:linear-gradient(90deg,#ef9a9a,#c62828)}
.g-bar.doing{background:linear-gradient(90deg,#ffd54f,#e0a325)}
.g-line em{position:absolute;top:5px;font-size:9.5px;color:#a9b2bf;font-style:normal;pointer-events:none}
.g-today{position:absolute;top:0;bottom:0;width:2px;background:rgba(198,40,40,.5);z-index:3;pointer-events:none}
.g-ms{position:absolute;top:6px;width:13px;height:13px;background:var(--brand);transform:rotate(45deg);border-radius:2px}
.g-ms.done{background:var(--green)}
.g-ms.blocked{background:var(--red)}
.g-ms.doing{background:#e0a325}

/* ---------------- table ---------------- */
.tbl-wrap{padding-top:0}
.filters{display:flex;gap:7px;flex-wrap:wrap}
.filters input,.filters select{border:1px solid var(--line);border-radius:8px;padding:7px 10px;font-size:12.5px;
  background:#fff;color:var(--ink);font-family:inherit}
.filters input{min-width:210px}
.tbl-scroll{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:auto;max-height:72vh}
table{border-collapse:separate;border-spacing:0;width:100%;font-size:12px;table-layout:fixed}
thead th{position:sticky;top:0;z-index:3;background:var(--brand);color:#fff;font-weight:600;text-align:left;
  padding:9px 8px;white-space:nowrap;font-size:11.5px}
tbody td{padding:8px 8px;border-bottom:1px solid #eef1f5;vertical-align:middle;word-break:break-word}
tbody tr:hover td{background:#fafbfd}
tbody tr.done td{background:#f3fbf4}
tbody tr.blocked td{background:#fef6f6}
tbody tr.doing td{background:#fffdf4}
tbody tr.done:hover td{background:#ebf7ed}
col.c-code{width:52px}col.c-phase{width:118px}col.c-name{width:200px}col.c-prio{width:56px}
col.c-owner{width:96px}col.c-num{width:46px}col.c-date{width:84px}col.c-dep{width:74px}
col.c-st{width:70px}col.c-accept{width:auto}
.t-code{font-variant-numeric:tabular-nums;color:var(--ink2)}
.t-phase{color:var(--ink2);font-size:11.5px}
.t-name{font-weight:600}
.t-name small{display:block;font-weight:400;color:var(--ink3);font-size:10.5px;margin-top:1px}
td.num{font-variant-numeric:tabular-nums;color:var(--ink2);white-space:nowrap}
.p0{color:var(--red);font-weight:700}
.p1{color:var(--ink2)}
.dep{font-size:10.5px;color:var(--ink3);white-space:nowrap}
.st{display:inline-flex;align-items:center;padding:3px 9px;border-radius:99px;font-size:11.5px;cursor:pointer;
  border:1px solid var(--line);background:#fff;white-space:nowrap;user-select:none;transition:.15s}
.st:hover{border-color:var(--brand2);box-shadow:0 0 0 3px rgba(47,95,168,.08)}
.st.s-未开始{background:#f4f6f9;color:#4a5563}
.st.s-进行中{background:#fdf3dc;color:#8a5a00;border-color:#f0ddaa}
.st.s-已完成{background:#e7f4e9;color:#1b5e20;border-color:#b8e0bd}
.st.s-阻塞{background:#fdeaea;color:#a01a1a;border-color:#f3c0c0}
.st.s-已取消{background:#eef0f3;color:#8b95a3;text-decoration:line-through}
.accept{color:var(--ink2);font-size:11px}
.tbl-foot{padding:8px 3px;font-size:11.5px;color:var(--ink3)}

/* ---------------- notes ---------------- */
.notes-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:11px}
.note{background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px 15px;box-shadow:var(--shadow)}
.note h3{margin:0 0 5px;font-size:12.5px;color:var(--brand);font-weight:700}
.note p{margin:0;font-size:12px;color:var(--ink2);line-height:1.7}

/* ---------------- footer / toast ---------------- */
.foot{display:flex;justify-content:space-between;gap:10px;padding:4px 20px 36px;font-size:11px;color:var(--ink3);flex-wrap:wrap}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,16px);background:#1f2937;color:#fff;padding:9px 17px;
  border-radius:10px;font-size:12.5px;opacity:0;pointer-events:none;transition:.25s;z-index:99;max-width:86vw;text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* ---------------- responsive ---------------- */
@media (max-width:1080px){
  .kpi{grid-template-columns:repeat(2,1fr)}
  .ms-track{grid-template-columns:repeat(3,1fr)}
  .notes-grid{grid-template-columns:1fr}
  .gantt{max-height:none;display:block}
  .g-left{flex:none;border-right:0}
  .g-right{overflow-x:auto}
  .g-left .g-row{display:none}
  .g-left .g-ph{display:none}
  .g-left .g-spacer{display:none}
  .g-left{display:none}
}
@media (max-width:720px){
  .topbar{padding:10px 12px;gap:8px;flex-wrap:wrap}
  .titles h1{font-size:14px}
  .sub{display:none}
  .btn{padding:6px 10px;font-size:12px}
  .langswitch button{padding:5px 9px;font-size:12px}
  section{padding:12px}
  .kpi{grid-template-columns:1fr 1fr;gap:9px}
  .card{padding:11px 12px}
  .k-val{font-size:22px}
  .ms-track{grid-template-columns:1fr 1fr;gap:8px}
  .filters{width:100%}
  .filters input{min-width:0;flex:1 1 100%}
  .filters select{flex:1 1 30%}
  .note{padding:11px}
  .foot{padding:4px 12px 28px}
  .tbl-scroll{max-height:none;overflow-x:auto;overflow-y:visible}
  table{min-width:820px;table-layout:fixed}
  col.c-code{width:44px}col.c-phase{width:110px}col.c-name{width:170px}col.c-prio{width:52px}
  col.c-owner{width:92px}col.c-num{width:44px}col.c-date{width:80px}col.c-dep{width:70px}
  col.c-st{width:68px}col.c-accept{width:180px}
  .t-phase{font-size:11px;word-break:keep-all}
  tbody td{white-space:nowrap;overflow:hidden}
  td.num{white-space:nowrap}
  .st{padding:5px 10px}
  .accept{white-space:normal}
  .t-name{white-space:normal}
}

/* ---------------- print / PDF ---------------- */
@media print{
  @page{size:A4 landscape;margin:9mm}
  body{background:#fff;font-size:9px}
  .topbar .actions,.topbar,#menu,.toast,.gantt-wrap,.tbl-wrap .filters,.hint{display:none!important}
  section{padding:0 0 6px}
  .card,.ms,.tbl-scroll,.note{box-shadow:none}
  .kpi{grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:6px}
  .card{padding:6px 8px;border-radius:6px}
  .k-label{font-size:8px;margin-bottom:1px}
  .k-val{font-size:16px}
  .bar{margin:4px 0 3px;height:4px}
  .k-foot{font-size:7.5px}
  .chip{font-size:7.5px;padding:1px 5px}
  .ms-track{gap:5px}
  .ms{padding:5px 7px;border-radius:6px}
  .ms-name{font-size:8.5px}
  .ms-date,.ms-owner{font-size:7.5px}
  .ms-status{font-size:7px;padding:0 5px;margin-top:3px}
  .tbl-scroll{border:0;border-radius:0;max-height:none;overflow:visible}
  table{font-size:7.6px;table-layout:fixed}
  thead th{padding:3px 3px;font-size:7.4px;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  tbody td{padding:2.5px 3px}
  .t-name small{font-size:6.6px}
  .accept{font-size:7.2px}
  .st,.chip,.ms-status{padding:0 4px;font-size:7px;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .dep{font-size:6.8px}
  .tbl-foot{display:none}
  .foot{display:none}
  .notes-wrap{page-break-before:auto}
  .ms{margin-bottom:2px}
  .notes-grid{grid-template-columns:1fr 1fr;gap:5px;page-break-inside:avoid}
  .note{padding:5px 7px;border-radius:6px}
  .note h3{font-size:8px;margin-bottom:2px}
  .note p{font-size:7.2px;line-height:1.45}
  tr,.ms,.note{page-break-inside:avoid}
  .foot{padding:2px 0 0;font-size:7px}
  tbody tr.done td{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  tbody tr.blocked td{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  tbody tr.doing td{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}