:root{--ink:#101719;--muted:#68777a;--line:#dfe6e4;--paper:#f5f7f6;--teal:#08747a;--teal-dark:#07595e;--danger:#a43f39}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#f4f6f5}button,input{font:inherit}button{cursor:pointer}.hidden{display:none!important}.eyebrow{margin:0 0 10px;color:var(--teal);font-size:10px;font-weight:800;letter-spacing:.16em}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:28px;background:radial-gradient(circle at 25% 15%,rgba(84,194,183,.22),transparent 35%),radial-gradient(circle at 80% 80%,rgba(84,140,194,.16),transparent 38%),#f6f8f7}.auth-shell:before{content:"";position:fixed;inset:0;opacity:.5;background-image:linear-gradient(rgba(8,116,122,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(8,116,122,.035) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,black,transparent 85%)}.auth-card{position:relative;width:min(440px,100%);padding:38px;border:1px solid rgba(25,60,61,.12);border-radius:24px;background:rgba(255,255,255,.9);box-shadow:0 32px 90px rgba(25,62,64,.14);backdrop-filter:blur(20px)}.auth-brand{display:flex;align-items:center;justify-content:space-between;padding-bottom:27px;border-bottom:1px solid #e6ebea}.auth-brand img{width:148px}.auth-brand span{padding:6px 9px;border-radius:7px;background:#edf4f3;color:#557275;font-size:11px;font-weight:650}.auth-copy{padding:32px 0 24px}.auth-copy h1,.page-header h1{margin:0;letter-spacing:-.045em}.auth-copy h1{font-size:34px}.auth-copy>p:last-child{margin:12px 0 0;color:var(--muted);font-size:13px;line-height:1.65}form{display:grid;gap:18px}label{display:grid;gap:8px;color:#425053;font-size:12px;font-weight:650}input{width:100%;padding:13px 14px;border:1px solid #d4dcda;border-radius:10px;outline:none;background:#fbfcfc;color:#172124;transition:.15s}input:focus{border-color:#6ca9a7;box-shadow:0 0 0 3px rgba(8,116,122,.09);background:#fff}label small{color:#91a0a2;font-weight:500}.primary-button{border:0;border-radius:10px;padding:14px 18px;background:var(--ink);color:#fff;font-weight:700;box-shadow:0 10px 24px rgba(16,23,25,.14)}.primary-button:hover{background:#263335}.primary-button:disabled{opacity:.55;cursor:wait}.form-error{min-height:17px;margin:-6px 0;color:var(--danger);font-size:12px}.security-note{display:flex;align-items:center;justify-content:center;gap:8px;margin:25px 0 0;color:#8a9799;font-size:10px}.security-note span{width:6px;height:6px;border-radius:50%;background:#48a989}.loading-shell{min-height:100vh;display:grid;place-content:center;justify-items:center;gap:14px;color:#7e8c8f;font-size:12px}.loading-mark{width:30px;height:30px;border:2px solid #d5e1df;border-top-color:var(--teal);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.dashboard{min-height:100vh;display:grid;grid-template-columns:236px 1fr}.sidebar{position:sticky;top:0;height:100vh;padding:28px 18px;display:flex;flex-direction:column;border-right:1px solid #e1e6e5;background:#f1f4f3}.sidebar-brand{display:grid;gap:9px;padding:0 10px 28px}.sidebar-brand img{width:145px}.sidebar-brand span{color:#899699;font-size:10px;letter-spacing:.12em}.sidebar nav{display:grid;gap:5px}.nav-item{display:flex;align-items:center;gap:12px;width:100%;padding:11px 13px;border:0;border-radius:9px;color:#68777a;background:transparent;text-align:left;font-size:13px}.nav-item span{width:19px;color:#829193;font-size:16px}.nav-item.active{color:#172124;background:#dfe7e5;font-weight:700}.nav-item.active span{color:var(--teal)}.sidebar-foot{margin-top:auto;padding:18px 11px 4px;border-top:1px solid #d9e0de}.sidebar-foot p{margin:0 0 7px;color:#9aa6a8;font-size:10px}.sidebar-foot strong{display:block;font-size:13px}.sidebar-foot button{margin-top:9px;padding:0;border:0;color:#7f8d90;background:none;font-size:11px}.main-panel{min-width:0;padding:48px clamp(26px,5vw,72px) 70px;background:#fbfcfb}.panel-view{max-width:1280px;margin:0 auto}.page-header{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:34px}.page-header h1{font-size:36px}.page-header>div>p:last-child{margin:9px 0 0;color:#778588;font-size:13px}.range-control{display:flex;padding:4px;border:1px solid #dde4e2;border-radius:10px;background:#f2f5f4}.range-control button{padding:7px 11px;border:0;border-radius:7px;color:#7e8c8e;background:transparent;font-size:11px}.range-control button.active{color:#1f2b2d;background:#fff;box-shadow:0 2px 8px rgba(30,52,54,.08);font-weight:700}.notice{margin:-8px 0 26px;padding:17px 19px;display:flex;align-items:center;justify-content:space-between;gap:20px;border:1px solid #c7ded8;border-radius:12px;background:#eef7f4}.notice strong{font-size:13px}.notice p{margin:4px 0 0;color:#617674;font-size:11px}.notice button{border:0;border-radius:8px;padding:9px 12px;color:#fff;background:var(--teal);font-size:11px;font-weight:700}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metric-card{min-height:144px;padding:20px;display:flex;flex-direction:column;border:1px solid #e0e6e4;border-radius:15px;background:#fff;box-shadow:0 6px 22px rgba(30,62,64,.035)}.metric-card.featured{color:#fff;border-color:transparent;background:linear-gradient(135deg,#0c1b1d,#08747a)}.metric-card>span{color:#829093;font-size:11px}.metric-card.featured>span{color:#aacac8}.metric-card strong{margin-top:14px;font-size:35px;letter-spacing:-.05em}.metric-card small{margin-top:auto;color:#9aa5a7;font-size:9px}.metric-card.featured small{color:#a7c3c2}.content-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:14px;margin-top:14px}.data-card{padding:21px;border:1px solid #e0e6e4;border-radius:15px;background:#fff;box-shadow:0 6px 22px rgba(30,62,64,.035)}.card-heading{display:flex;align-items:start;justify-content:space-between;gap:16px}.card-heading h2{margin:0;font-size:14px}.card-heading p{margin:5px 0 0;color:#93a0a2;font-size:10px}.card-heading>span{color:#8c999b;font-size:10px}.trend-card{min-height:300px}.trend-chart{height:205px;margin-top:25px;display:flex;align-items:flex-end;gap:4px;border-bottom:1px solid #e2e7e6}.trend-column{height:100%;flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:7px;min-width:2px}.trend-bar{width:65%;min-width:3px;max-width:18px;border-radius:4px 4px 1px 1px;background:linear-gradient(180deg,#42b7ab,#0a7d81);transition:.2s}.trend-column span{height:13px;color:#a3adaf;font-size:8px;white-space:nowrap}.bar-list{display:grid;gap:15px;margin-top:22px}.empty-state{min-height:190px;place-content:center;color:#a1abad;font-size:11px}.bar-row>div:first-child{display:flex;justify-content:space-between;gap:15px;color:#677578;font-size:10px}.bar-row strong{color:#263235;font-size:10px}.bar-track{height:5px;margin-top:7px;overflow:hidden;border-radius:9px;background:#edf1f0}.bar-track span{display:block;height:100%;border-radius:inherit;background:#69b6b1}.events-card{margin-top:14px}.table-wrap{overflow:auto;margin-top:19px}table{width:100%;border-collapse:collapse;font-size:10px}th{padding:10px 8px;border-bottom:1px solid #e5e9e8;color:#99a4a6;text-align:left;font-weight:650}td{padding:12px 8px;border-bottom:1px solid #eff2f1;color:#738083;white-space:nowrap}.event-name{color:#253234;font-weight:650}.empty-cell{padding:34px;text-align:center;color:#a2acae}.account-card{max-width:760px;padding:30px;display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;border:1px solid #dfe5e3;border-radius:18px;background:#fff}.account-card h2{margin:0;font-size:18px}.account-card>div p{margin:10px 0 0;color:#7c898b;font-size:11px;line-height:1.7}.toast{position:fixed;right:24px;bottom:24px;z-index:100;padding:13px 16px;border-radius:10px;color:#fff;background:#173e40;box-shadow:0 14px 35px rgba(22,54,56,.22);font-size:11px}.toast.error{background:#823c38}@media(max-width:980px){.dashboard{grid-template-columns:76px 1fr}.sidebar{padding:24px 10px}.sidebar-brand{padding:0 6px 24px}.sidebar-brand img{width:48px;height:42px;object-fit:cover;object-position:left}.sidebar-brand span,.nav-item:not(.active)::after,.nav-item{font-size:0}.nav-item{justify-content:center}.nav-item span{font-size:17px}.sidebar-foot p,.sidebar-foot strong{display:none}.sidebar-foot button{font-size:9px}.content-grid{grid-template-columns:1fr}.metric-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:650px){.dashboard{display:block}.sidebar{position:sticky;z-index:20;width:100%;height:auto;padding:11px 16px;display:grid;grid-template-columns:1fr auto;border-right:0;border-bottom:1px solid #e0e5e4}.sidebar-brand{padding:0}.sidebar-brand img{width:125px;height:auto}.sidebar-brand span{display:none}.sidebar nav{display:flex}.nav-item{width:40px;padding:9px}.sidebar-foot{display:none}.main-panel{padding:28px 16px 55px}.page-header{display:grid}.page-header h1{font-size:30px}.range-control{width:max-content}.metric-grid{grid-template-columns:1fr 1fr}.metric-card{min-height:125px;padding:16px}.account-card{grid-template-columns:1fr;gap:28px;padding:22px}.auth-card{padding:28px 23px}}@media(max-width:420px){.metric-grid{grid-template-columns:1fr}.auth-brand img{width:132px}}