:root{--bg:#f4f6f9;--card:#fff;--ink:#1f2937;--muted:#6b7280;--line:#e5e7eb;--brand:#2563eb;--brand-d:#1d4ed8;--side:#111827;--ok:#16a34a;--err:#dc2626}
*{box-sizing:border-box}
body{margin:0;font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
h1{font-size:22px;margin:0 0 4px}h2{font-size:17px;margin:0 0 12px}h3{font-size:15px;margin:16px 0 8px}
.sidebar{position:fixed;left:0;top:0;bottom:0;width:230px;background:var(--side);color:#cbd5e1;overflow-y:auto;padding:12px 0}
.sidebar .brand{padding:6px 18px 14px;font-size:17px;font-weight:600}.sidebar .brand a{color:#fff}
.sidebar nav a{display:block;padding:8px 18px;color:#cbd5e1;border-left:3px solid transparent}
.sidebar nav a:hover{background:#1f2937;text-decoration:none;color:#fff}
.sidebar nav a.on{background:#1f2937;color:#fff;border-left-color:var(--brand)}
.sidebar nav a.soon{color:#6b7280}.sidebar nav a em{font-size:10px;font-style:normal;background:#374151;color:#9ca3af;border-radius:8px;padding:1px 6px;margin-left:4px}
.navhead{padding:14px 18px 4px;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#6b7280}
.main{margin-left:230px;min-height:100vh}.main.nouser{margin-left:0}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;background:#fff;border-bottom:1px solid var(--line);padding:10px 24px;position:sticky;top:0;z-index:5}
.topbar .search input{width:320px;max-width:100%}.who{color:var(--muted);white-space:nowrap}.role{background:#eef2ff;color:#3730a3;border-radius:8px;padding:1px 8px;font-size:12px}
.content{padding:20px 24px 60px;max-width:1300px}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px 18px;margin-bottom:16px;overflow-x:auto}
.pagehead{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.muted{color:var(--muted)}small{color:var(--muted);display:block;font-weight:400;margin-top:2px}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:16px}
.tile{background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px 16px}.tile b{display:block;font-size:26px}.tile span{color:var(--muted);font-size:13px}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#f9fafb;white-space:nowrap}
tr:hover td{background:#fafbff}
.badge{display:inline-block;color:#fff;border-radius:10px;padding:1px 9px;font-size:12px;white-space:nowrap}
.badge.overdue{background:#fff;color:var(--err);border:1px solid var(--err)}
.chip{display:inline-block;background:#eef2ff;color:#3730a3;border-radius:6px;padding:1px 7px;margin:1px 2px 1px 0;font-size:12px}
.pri{display:inline-block;width:22px;text-align:center;border-radius:4px;font-weight:600;font-size:12px;background:#e5e7eb}
.pri.A{background:#fee2e2;color:#991b1b}.pri.B{background:#fef3c7;color:#92400e}.pri.C{background:#e0f2fe;color:#075985}
label{display:block;font-weight:600;margin-bottom:12px}label.inline{display:inline-block;font-weight:400;margin:0 14px 6px 0}
input[type=text],input[type=email],input[type=password],input[type=search],input[type=number],select,textarea{width:100%;padding:7px 9px;border:1px solid #d1d5db;border-radius:6px;font:inherit;background:#fff;margin-top:3px}
input:focus,select:focus,textarea:focus{outline:2px solid #bfdbfe;border-color:var(--brand)}
input:disabled{background:#f3f4f6}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0 18px}
fieldset{border:1px solid var(--line);border-radius:6px;margin:0 0 12px;padding:8px 12px}legend{font-weight:600;padding:0 6px}
.btn,button{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:6px;padding:7px 14px;font:inherit;cursor:pointer}
.btn:hover,button:hover{background:var(--brand-d);text-decoration:none}
.btn.sec,button.sec{background:#fff;color:var(--ink);border:1px solid #d1d5db}.btn.sec:hover,button.sec:hover{background:#f3f4f6}
.btn.danger,button.danger{background:var(--err)}.btn.sm,button.sm{padding:3px 9px;font-size:13px}
.flash{padding:10px 14px;border-radius:6px;margin-bottom:14px}.flash.ok{background:#dcfce7;color:#166534}.flash.err{background:#fee2e2;color:#991b1b}.flash ul{margin:0;padding-left:18px}
.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-end;margin-bottom:14px}.filters label{margin:0;font-size:12px;color:var(--muted)}.filters select,.filters input{min-width:130px}
.timeline .item{border-left:3px solid var(--line);padding:2px 0 12px 14px;margin-left:6px}.timeline .item.d{border-color:#60a5fa}.timeline .item.w{border-color:#34d399}.timeline .item.m{border-color:#a78bfa}
.timeline .meta{color:var(--muted);font-size:12px;margin-bottom:2px}
.kv{display:grid;grid-template-columns:150px 1fr;gap:4px 12px}.kv dt{color:var(--muted)}.kv dd{margin:0}
.checks{margin-bottom:4px}.done{text-decoration:line-through;color:var(--muted)}
.inlineform{display:inline}.inlineform button{padding:2px 8px}
.pw{font-family:monospace;font-size:16px;background:#fef9c3;padding:2px 8px;border-radius:4px}
.loginbox{max-width:380px;margin:9vh auto;background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px}
.reuse-info{background:#f0f9ff;border:1px solid #bae6fd;border-radius:6px;padding:8px 12px;margin-bottom:12px}
.tabs a{display:inline-block;padding:5px 12px;border:1px solid var(--line);border-radius:16px;margin-right:6px;background:#fff;color:var(--ink)}.tabs a.on{background:var(--brand);color:#fff;border-color:var(--brand)}
@media(max-width:860px){.sidebar{position:static;width:auto}.main{margin-left:0}.grid2,.grid3{grid-template-columns:1fr}.topbar{position:static;flex-wrap:wrap}}