:root{--ink:#173638;--muted:#728081;--line:#dbe3df;--paper:#f4f2eb;--panel:#fffdfa;--teal:#237d87;--teal-dark:#17616a;--orange:#e66b4c;--gold:#b58a43;--purple:#6758b8;--shadow:0 16px 45px rgba(25,54,54,.08)}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei UI","PingFang SC",system-ui,sans-serif}.hidden{display:none!important}button,input,textarea{font:inherit}button{cursor:pointer}.login-shell{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 30% 20%,#d7efea 0,transparent 38%),radial-gradient(circle at 75% 80%,#f9dccd 0,transparent 32%),#eef1e9}.login-card{width:min(420px,calc(100vw - 32px));padding:44px;background:rgba(255,253,250,.94);border:1px solid rgba(255,255,255,.8);border-radius:28px;box-shadow:0 30px 80px rgba(25,54,54,.15)}.brand-mark,.brand>span{display:grid;place-items:center;background:var(--teal);color:#fff;border-radius:15px;font-family:serif}.brand-mark{width:56px;height:56px;font-size:28px;margin-bottom:24px}.eyebrow{margin:0 0 6px;color:var(--teal);font-size:11px;font-weight:800;letter-spacing:.18em}.login-card h1{margin:0;font-size:34px}.muted,.section-actions p{color:var(--muted)}label{display:grid;gap:8px;margin:28px 0 18px;font-size:13px;font-weight:700}input,textarea{border:1px solid var(--line);border-radius:10px;background:#fff;padding:12px;color:var(--ink);outline:none}input:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(35,125,135,.12)}button{border:0;border-radius:10px;padding:10px 16px;font-weight:700}.primary{background:var(--teal);color:#fff}.primary:hover{background:var(--teal-dark)}.secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}.login-card .primary{width:100%;padding:13px}.error{min-height:18px;color:#b43e2e;font-size:13px}.app-shell{min-height:100vh;display:grid;grid-template-columns:236px 1fr}.sidebar{position:fixed;inset:0 auto 0 0;width:236px;background:#173638;color:#eaf4f0;padding:28px 18px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;padding:0 10px 30px}.brand>span{width:40px;height:40px;font-size:21px}.brand strong,.brand small{display:block}.brand small{margin-top:3px;color:#99b4b1;font-size:11px}.sidebar nav{display:grid;gap:7px}.nav-item{position:relative;text-align:left;background:transparent;color:#a9bfbd;padding:13px 16px}.nav-item:hover,.nav-item.active{color:#fff;background:rgba(255,255,255,.09)}.nav-item.active:before{content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;background:#e88968;border-radius:3px}.sidebar-foot{margin-top:auto;padding:14px 10px 0;border-top:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#9bb4b1}.status-dot:before{content:"";display:inline-block;width:7px;height:7px;background:#6fd39c;border-radius:50%;margin-right:6px}.text-button{padding:4px;background:none;color:#9bb4b1;font-size:11px}.app-shell main{grid-column:2;padding:0 34px 50px;min-width:0}.topbar{height:104px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(23,54,56,.1);margin-bottom:30px}.topbar h2{margin:0;font-size:25px}.top-actions{display:flex;align-items:center;gap:16px;color:var(--muted);font-size:12px}.page{display:none}.page.active{display:block}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}.stat-card{padding:22px;background:var(--panel);border:1px solid #ebe9e1;border-radius:16px;box-shadow:var(--shadow)}.stat-card span{color:var(--muted);font-size:12px}.stat-card strong{display:block;margin-top:10px;font-size:32px;line-height:1}.stat-card small{display:block;margin-top:10px;color:var(--teal);font-size:11px}.grid-two{display:grid;grid-template-columns:1.35fr 1fr;gap:18px}.panel{background:var(--panel);border:1px solid #ebe9e1;border-radius:16px;box-shadow:var(--shadow);padding:22px}.panel h3,.section-actions h3{margin:0;font-size:17px}.panel-head,.section-actions{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.section-actions{margin-bottom:18px}.section-actions p{margin:6px 0 0;font-size:12px}.notice{padding:18px;border-radius:12px;background:#e7f3f0}.notice p{margin:8px 0 0;color:#557372;font-size:13px;line-height:1.65}.facts{margin:18px 0 0}.facts div{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line)}.facts dt{color:var(--muted)}.facts dd{margin:0;font-weight:700}.funnel-item{display:grid;grid-template-columns:120px 1fr 48px;gap:12px;align-items:center;margin:18px 0;font-size:12px}.funnel-track{height:10px;background:#e7ece8;border-radius:10px;overflow:hidden}.funnel-fill{height:100%;border-radius:10px;background:linear-gradient(90deg,var(--teal),#72bbb1)}.table-panel{padding:0;overflow:hidden}table{width:100%;border-collapse:collapse;font-size:12px}th{background:#eef2ed;text-align:left;color:#5f7473;font-size:11px;letter-spacing:.05em;padding:13px 16px}td{padding:15px 16px;border-top:1px solid #ecece6;vertical-align:middle}td strong,td small{display:block}td small{margin-top:4px;color:var(--muted)}.tag,.pill{display:inline-flex;padding:5px 9px;border-radius:30px;background:#e8f3f1;color:var(--teal-dark);font-size:10px;font-weight:800}.tag.warn{background:#fff0e7;color:#b9563e}.tag.gray{background:#eef0ed;color:#6d7776}.row-actions{display:flex;gap:7px}.row-actions button{padding:6px 9px;font-size:11px}.grid-content{display:grid;grid-template-columns:300px minmax(0,1fr);gap:18px}.version-list{display:grid;gap:10px}.version-item{padding:14px;border:1px solid var(--line);border-radius:11px;cursor:pointer}.version-item.active{border-color:var(--teal);background:#edf7f4}.version-item>div{display:flex;justify-content:space-between}.version-item p{margin:7px 0 0;color:var(--muted);font-size:11px}.version-actions{margin-top:10px}.editor-panel textarea{width:100%;min-height:520px;resize:vertical;border-radius:12px;background:#182b2d;color:#d9eeea;font-family:Consolas,monospace;font-size:12px;line-height:1.55;padding:18px}.editor-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:14px}dialog{width:min(480px,calc(100vw - 30px));border:0;border-radius:18px;padding:0;box-shadow:0 30px 90px rgba(10,30,31,.28)}dialog::backdrop{background:rgba(14,37,38,.58)}#dialog-form{padding:24px}.dialog-head,.dialog-actions{display:flex;align-items:center;justify-content:space-between}.dialog-head h3{margin:0}.icon-button{font-size:24px;background:none;color:var(--muted);padding:2px 8px}.dialog-fields label{margin:16px 0 0}.dialog-actions{justify-content:flex-end;gap:10px;margin-top:20px}.toast{position:fixed;right:24px;bottom:24px;max-width:360px;padding:13px 18px;background:#173638;color:#fff;border-radius:10px;box-shadow:var(--shadow);opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:none}.empty{text-align:center!important;color:var(--muted);padding:36px!important}.progress-text{font-variant-numeric:tabular-nums}.danger{color:#b43e2e}.nowrap{white-space:nowrap}
@media(max-width:1000px){.stats-grid{grid-template-columns:repeat(2,1fr)}.grid-two,.grid-content{grid-template-columns:1fr}.sidebar{width:190px}.app-shell{grid-template-columns:190px 1fr}.app-shell main{padding:0 20px 40px}}
@media(max-width:720px){.app-shell{display:block}.sidebar{position:static;width:auto;height:auto;padding:16px}.sidebar nav{grid-template-columns:repeat(5,1fr);overflow:auto}.brand,.sidebar-foot{display:none}.nav-item{white-space:nowrap;text-align:center;padding:10px}.app-shell main{padding:0 12px 32px}.topbar{height:82px}.top-actions #clock{display:none}.stats-grid{grid-template-columns:1fr 1fr}.table-panel{overflow:auto}table{min-width:760px}}

/* User history */
.stats-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}.user-search,.pagination{display:flex;gap:12px;align-items:center;margin:18px 0;flex-wrap:wrap}.user-search input{flex:1;min-width:220px}.pagination{justify-content:flex-end;color:var(--muted);font-size:12px}button:disabled{opacity:.4;cursor:default}#user-detail{margin-top:32px}.history-card{margin:16px 0}.timeline{padding-left:22px;line-height:1.8}.timeline li{padding:8px 0;border-bottom:1px solid var(--line)}.timeline time,.timeline small,.history-card small{color:var(--muted)}summary{cursor:pointer;padding:10px 0}pre{white-space:pre-wrap;overflow-wrap:anywhere}select{padding:12px;border:1px solid var(--line);border-radius:10px;background:white;color:var(--ink);font:inherit}