:root{--ink:#203a42;--muted:#61797e;--line:#dce7e6;--wash:#f2f7f6;--deep:#174b55;--accent:#176d69;--soft:#e7f3ef;--amber:#a36018;--red:#a3463a}
*{box-sizing:border-box}
body{margin:0;background:var(--wash);color:var(--ink);font:14px/1.55 "PingFang SC","Microsoft YaHei",system-ui,sans-serif}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #77b7b1;outline-offset:3px}
.app{display:grid;grid-template-columns:228px minmax(0,1fr);min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;background:var(--deep);color:#d9eae8;padding:28px 16px 20px;display:flex;flex-direction:column}
.brand{display:flex;gap:11px;align-items:center;padding:0 8px 30px}
.brand-mark{display:grid;place-items:center;width:39px;height:39px;border:1px solid #a6cbc5;border-radius:12px;color:#fff;font-size:21px;font-weight:700}
.brand strong,.brand small{display:block}.brand strong{font-size:18px;color:white;letter-spacing:.12em}.brand small{font-size:11px;color:#a8c7c3}
#nav{display:grid;gap:3px}#nav button{border:0;text-align:left;border-radius:9px;padding:11px 12px;background:transparent;color:#d4e6e4}#nav button:hover,#nav button.active{background:#336970;color:#fff}
.sidebar-footer{margin-top:auto;border-top:1px solid #49777b;padding:18px 10px 0;font-size:12px;color:#c8dedb}
.shell{min-width:0}.topbar{height:72px;padding:0 36px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;color:var(--muted)}
main{max-width:1550px;margin:auto;padding:32px 36px 70px}h1,h2,h3,p{margin:0}h1{font-size:28px}h2{font-size:17px}h3{font-size:15px}
.heading{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:24px}.sub,.muted{color:var(--muted)}.sub{margin-top:6px}
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;min-width:0}.stack{display:grid;gap:18px;align-content:start}.layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(270px,.8fr);gap:18px}
.overview{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:12px;margin-bottom:18px}.overview-card{display:grid;gap:5px;text-align:left;background:var(--deep);color:#d9eae8;border:0;border-radius:14px;padding:18px;min-width:0}.overview-card strong{font-size:26px;color:#fff;line-height:1.2}.overview-card small{color:#c8dedb}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.btn{border:1px solid #cddedb;background:#fff;color:var(--ink);border-radius:8px;padding:9px 14px;min-height:40px;font-weight:600}.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn:hover{filter:brightness(.96)}
.item{display:flex;gap:12px;padding:13px 0;border-top:1px solid #edf2f1;align-items:flex-start}.item:first-child{border-top:0}.item-main{flex:1;min-width:0}.item-title{font-weight:650}.item-desc{font-size:12px;color:var(--muted);margin-top:4px}
.gantt{display:block;width:100%;height:18px;margin-top:7px}.gantt-track{fill:#e9f1ef}.gantt-bar{fill:#278879}
.report-item{display:grid;gap:10px;border-top:1px solid var(--line);padding-top:18px}
.calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border-left:1px solid var(--line);border-top:1px solid var(--line)}.calendar-weekday{padding:8px;text-align:center;color:var(--muted);background:#f5f9f8}.calendar-weekday,.calendar-day,.calendar-blank{border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.calendar-day,.calendar-blank{min-height:100px;padding:8px}.calendar-event{background:var(--soft);color:var(--accent);font-size:12px;border-radius:4px;padding:3px;margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.calendar-carry{margin-top:18px}
.tag{display:inline-block;border-radius:6px;padding:3px 8px;background:#e8f4ee;color:#276861;font-size:12px}.tag.warn{background:#fff2dc;color:var(--amber)}.tag.red{background:#fbede9;color:var(--red)}
select,input,textarea{border:1px solid #cddedb;border-radius:8px;background:#fff;color:var(--ink);padding:9px;max-width:100%}textarea{resize:vertical;min-height:72px}
.field{display:grid;gap:5px;font-weight:600;font-size:13px}.field input,.field select,.field textarea{width:100%;font-weight:400}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field.full{grid-column:1/-1}
.filters{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:18px}.empty{padding:20px;border:1px dashed #b8d1cb;border-radius:10px;color:var(--muted)}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:650px;text-align:left}th,td{padding:12px 10px;border-bottom:1px solid #edf2f1}th{color:var(--muted);font-size:12px}
dialog{width:min(620px,calc(100% - 32px));max-height:90vh;border:0;border-radius:14px;padding:24px;color:var(--ink);box-shadow:0 20px 70px #12363a40}dialog[open]{display:flex;flex-direction:column;overflow:hidden}#dialog-content{min-height:0;overflow-y:auto;overscroll-behavior:contain}.dialog-footer{display:flex;justify-content:flex-end;margin-top:16px;flex-shrink:0}dialog::backdrop{background:#102e32a8}
#notice:not(:empty){position:fixed;bottom:20px;right:20px;background:var(--deep);color:#fff;padding:12px 16px;border-radius:9px;z-index:10}
dialog #notice:not(:empty){position:static;margin-top:12px;flex-shrink:0}
.mobile-nav{display:none}
.login-page{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(440px,100%);margin:0;padding:32px}.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:26px;color:var(--deep)}.login-brand .brand-mark{background:var(--deep);border-color:var(--deep)}.login-brand strong{font-size:19px}.login-brand p{font-size:12px;color:var(--muted)}.login-card form{margin:24px 0 16px}.login-card a{color:var(--accent)}.login-error{color:var(--red)}
@media(max-width:900px){.layout{grid-template-columns:1fr}}
@media(max-width:700px){
  .app{display:block}.sidebar{display:none}.topbar{min-height:60px;height:auto;padding:calc(10px + env(safe-area-inset-top,0px)) calc(16px + env(safe-area-inset-right,0px)) 10px calc(16px + env(safe-area-inset-left,0px));gap:8px}.topbar>div:first-child{min-width:0;overflow-wrap:anywhere}.topbar .row{min-width:0;flex-wrap:nowrap}#user-name{min-width:0;max-width:28vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#logout{flex-shrink:0}
  main{padding:20px calc(16px + env(safe-area-inset-right,0px)) calc(100px + env(safe-area-inset-bottom,0px)) calc(16px + env(safe-area-inset-left,0px))}.heading{align-items:flex-start;flex-direction:column;margin-bottom:18px}h1{font-size:24px}
  .panel{padding:16px}.item{flex-wrap:wrap}.item-main{flex-basis:100%}.item-title,.item-desc,h1,h2,h3{overflow-wrap:anywhere}
  label.item{flex-wrap:nowrap;min-height:44px}label.item .item-main{flex-basis:auto}label.row{min-height:44px}
  input[type=checkbox]{width:22px;height:22px;flex-shrink:0;padding:0;accent-color:var(--accent)}.check-field{display:flex;align-items:center;justify-content:space-between;min-height:44px}.field.check-field input[type=checkbox]{width:22px;height:22px;min-height:0}
  .form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.field input,.field select,.field textarea{font-size:16px;min-width:0;min-height:44px}
  .field select{-webkit-appearance:none;appearance:none;padding-right:32px;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 19px) 50%,calc(100% - 14px) 50%;background-size:5px 5px;background-repeat:no-repeat}
  .filters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:end}.filters .field{min-width:0}.filters .btn{width:100%}
  .btn{min-height:44px}.calendar-day,.calendar-blank{min-height:60px;padding:4px}.calendar-weekday{padding:6px 0}.calendar-event{font-size:10px;padding:2px}
  .mobile-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));position:fixed;bottom:0;left:0;right:0;z-index:3;background:#fff;border-top:1px solid var(--line);padding:6px calc(8px + env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) calc(8px + env(safe-area-inset-left,0px))}
  .mobile-nav button{border:0;background:none;color:var(--muted);font-size:12px;padding:6px 2px;min-width:44px;min-height:44px}.mobile-nav button.active{color:var(--accent);font-weight:700}
  dialog[open]{top:auto;bottom:0;left:0;right:0;margin:0;width:100%;max-width:none;max-height:calc(100vh - 16px - env(safe-area-inset-top,0px));max-height:calc(100dvh - 16px - env(safe-area-inset-top,0px));border-radius:18px 18px 0 0;padding:20px calc(16px + env(safe-area-inset-right,0px)) calc(16px + env(safe-area-inset-bottom,0px)) calc(16px + env(safe-area-inset-left,0px))}
  #dialog-content>.btn{width:100%;margin-top:8px}
  .dialog-footer .btn{width:100%}.login-page{padding:calc(16px + env(safe-area-inset-top,0px)) calc(16px + env(safe-area-inset-right,0px)) calc(16px + env(safe-area-inset-bottom,0px)) calc(16px + env(safe-area-inset-left,0px))}.login-card{padding:24px}#notice:not(:empty){bottom:calc(76px + env(safe-area-inset-bottom,0px));left:16px;right:16px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}