:root{
  --blue:#1a56db; --blue-d:#123c94; --blue-l:#eef3fb; --teal:#0f766e;
  --ink:#16202f; --mut:#5b6b82; --faint:#8b9ab0; --line:#dbe3ee; --bg:#f3f6fb;
  --ok:#0f9d58; --warn:#e8952e; --bad:#e05151; --card:#fff;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--bg);font-size:14px;line-height:1.55}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--ink)}
a{color:var(--blue);text-decoration:none}
h1,h2,h3,h4{line-height:1.3}

/* ---------- buttons ---------- */
.btn-primary{background:var(--blue);color:#fff;border-radius:8px;padding:10px 18px;font-weight:700;font-size:15px;transition:.15s}
.btn-primary:hover{background:var(--blue-d)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--blue-d);border-radius:8px;padding:8px 14px;font-weight:600}
.btn-ghost:hover{border-color:var(--blue);background:var(--blue-l)}
.btn-sm{padding:5px 10px;font-size:13px;border-radius:6px}
.btn-teal{background:var(--teal);color:#fff;border-radius:8px;padding:8px 16px;font-weight:700}

/* ---------- login ---------- */
.login-body{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#eaf1fd 0%,#f6f9fe 45%,#eef7f5 100%);padding:20px}
.login-wrap{display:grid;grid-template-columns:1fr 380px;max-width:900px;width:100%;
  background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 20px 60px rgba(26,86,219,.14)}
.login-brand{background:linear-gradient(150deg,#1a56db,#123c94);color:#fff;padding:48px 40px;display:flex;flex-direction:column;justify-content:center}
.login-brand .logo{font-size:46px;margin-bottom:14px}
.login-brand h1{font-size:26px;letter-spacing:1px;margin-bottom:10px}
.login-brand p{color:#c8d8f7;font-size:14px;line-height:1.7}
.login-card{padding:42px 36px;display:flex;flex-direction:column}
.role-tabs{display:flex;background:var(--blue-l);border-radius:10px;padding:4px;margin-bottom:24px}
.role-tab{flex:1;padding:9px;border-radius:8px;font-weight:700;color:var(--mut);font-size:15px}
.role-tab.active{background:#fff;color:var(--blue);box-shadow:0 2px 8px rgba(26,86,219,.15)}
.login-card label{font-size:13px;color:var(--mut);margin:10px 0 5px}
.login-card input{padding:11px 13px;border:1px solid var(--line);border-radius:9px;outline:none;transition:.15s}
.login-card input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(26,86,219,.12)}
.login-card .btn-primary{margin-top:22px}
.login-card .err{color:var(--bad);font-size:13px;margin-top:12px;min-height:18px;text-align:center}
.login-card .hint{margin-top:auto;padding-top:18px;font-size:12px;color:var(--faint);text-align:center;line-height:1.6}

/* ---------- app shell ---------- */
.topbar{height:56px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;
  padding:0 22px;gap:14px;position:sticky;top:0;z-index:50}
.topbar .brand{font-weight:800;color:var(--blue-d);font-size:16px;letter-spacing:.5px}
.topbar .brand span{color:var(--blue)}
.topbar .who{margin-left:auto;color:var(--mut);font-size:13px}
.topbar .who b{color:var(--ink)}
.topbar .logout{margin-left:14px;color:var(--mut);font-size:13px;border:1px solid var(--line);border-radius:7px;padding:5px 11px}
.topbar .logout:hover{color:var(--bad);border-color:#f1c0c0}

.tabs{background:#fff;border-bottom:1px solid var(--line);display:flex;gap:4px;padding:0 22px;position:sticky;top:56px;z-index:40;overflow-x:auto}
.tab{padding:12px 18px;color:var(--mut);font-weight:700;font-size:14px;border-bottom:3px solid transparent;white-space:nowrap}
.tab.active{color:var(--blue);border-bottom-color:var(--blue)}

.page{padding:20px 22px 60px;max-width:1280px;margin:0 auto}
.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin-bottom:18px;box-shadow:0 1px 3px rgba(22,32,47,.04)}
.panel h3{font-size:16px;color:var(--blue-d);margin-bottom:6px;display:flex;align-items:center;gap:8px}
.panel h3 .badge{background:var(--blue);color:#fff;font-size:12px;border-radius:20px;padding:1px 9px;font-weight:700}
.sub{color:var(--mut);font-size:13px;margin-bottom:12px}
.hintline{color:var(--faint);font-size:12.5px;line-height:1.7}

/* ---------- task sheet form ---------- */
.form-sec{border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:14px;background:#fcfdff}
.form-sec>.fhead{font-weight:800;color:var(--blue-d);font-size:14.5px;margin-bottom:10px;display:flex;gap:8px;align-items:center}
.form-sec>.fhead .n{background:var(--blue);color:#fff;width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:13px}
.row{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;margin:7px 0}
.row>label{color:var(--mut);font-size:13px;min-width:96px}
.inp{border:1px solid var(--line);border-radius:8px;padding:8px 10px;outline:none;transition:.15s;background:#fff}
.inp:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(26,86,219,.1)}
.inp.w1{width:110px}.inp.w2{width:170px}.inp.w3{width:100%;max-width:520px}
textarea.inp{width:100%;min-height:52px;resize:vertical;line-height:1.6}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px}
.minitable{width:100%;border-collapse:collapse;margin:6px 0}
.minitable th,.minitable td{border:1px solid #c9d5e6;padding:6px 8px;text-align:center;font-size:13px}
.minitable th{background:var(--blue-l);color:var(--blue-d);font-weight:700}
.minitable td.left{text-align:left;color:var(--mut)}
.minitable input{border:none;background:transparent;text-align:center;width:80px;outline:none;font-size:13px}

/* status pill */
.pill{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;border-radius:20px;padding:2px 10px}
.pill.draft{background:#fff4e2;color:#b26a00}
.pill.done{background:#e3f5ec;color:#0f7a45}
.dot{width:8px;height:8px;border-radius:50%;background:currentColor;display:inline-block}

/* toast */
.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(20px);background:#16304f;color:#fff;
  padding:11px 20px;border-radius:10px;font-size:14px;opacity:0;transition:.25s;pointer-events:none;z-index:200;box-shadow:0 8px 24px rgba(0,0,0,.2)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- activity stage ---------- */
.stage{display:grid;grid-template-columns:300px 1fr 300px;gap:18px;align-items:start}
@media(max-width:1000px){.stage{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:0 1px 3px rgba(22,32,47,.04)}
.card h4{font-size:14px;color:var(--blue-d);margin-bottom:10px}
.chip{display:flex;align-items:center;justify-content:space-between;gap:8px;border:1px solid var(--line);border-radius:10px;padding:9px 11px;margin-bottom:8px;cursor:pointer;transition:.15s;background:#fff}
.chip:hover{border-color:var(--blue);background:var(--blue-l)}
.chip.on{border-color:var(--blue);background:var(--blue-l)}
.chip .nm{font-weight:700;font-size:13px}
.chip .ds{font-size:11px;color:var(--faint)}
.chip .plus{font-weight:800;color:var(--blue)}
.slider-row{display:flex;align-items:center;gap:8px;margin:6px 0;font-size:12.5px;color:var(--mut)}
.slider-row input[type=range]{flex:1;accent-color:var(--blue)}
.slider-row .val{width:44px;text-align:right;font-weight:700;color:var(--ink)}
.netbox{display:flex;align-items:center;justify-content:center;min-height:340px}
.netbox svg{width:100%;height:auto}
.outrow{display:flex;align-items:center;gap:10px;margin:9px 0}
.outrow .nm{width:70px;font-size:13px;font-weight:700}
.outrow .bar{flex:1;height:14px;background:#eef2f8;border-radius:8px;overflow:hidden}
.outrow .bar>i{display:block;height:100%;width:0;border-radius:8px;transition:width .4s}
.outrow .pc{width:44px;text-align:right;font-weight:700;font-size:13px}
.verdict{margin-top:12px;background:var(--blue-l);border-radius:10px;padding:10px 12px;font-size:13px;color:var(--blue-d)}
.verdict b{font-size:15px}
.stepper{display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:4px 6px}
.stepper button{width:26px;height:26px;border-radius:6px;background:var(--blue-l);color:var(--blue);font-weight:800;font-size:15px}
.stepper b{min-width:26px;text-align:center;color:var(--ink);font-size:15px}
.ctrl-label{font-size:12.5px;color:var(--mut);margin-right:6px}
.archline{color:var(--mut);font-size:12.5px;margin-top:6px}

/* 平台名 + 副标题 + 角色标签 */
.topbar .brand .brandsub{font-size:12.5px;color:var(--faint);font-weight:500;margin-left:7px;letter-spacing:.2px}
.roletag{font-size:11.5px;font-weight:700;color:var(--blue);background:var(--blue-l);border-radius:20px;padding:3px 10px;margin-left:4px;white-space:nowrap}