:root{color-scheme:light;--ink:#17232a;--muted:#66757a;--line:#dce5e3;--surface:#fff;--canvas:#f5f7f6;--teal:#177b72;--teal-dark:#0e625a;--teal-soft:#e8f5f1;--red:#ad403e;--red-soft:#fceeed;--amber:#8e6518;--amber-soft:#fbf3df}
*{box-sizing:border-box}
html{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:14px;letter-spacing:0}
body{margin:0;background:var(--canvas);color:var(--ink);line-height:1.5}
button,input{font:inherit;letter-spacing:0}
button{cursor:pointer}
a{color:var(--teal-dark);text-decoration:none}
a:hover{text-decoration:underline}
.brand{display:flex;align-items:center;gap:11px;color:inherit;font-size:18px;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{display:grid;place-items:center;width:32px;height:32px;flex:none;background:#dbf4e9;color:#095b51;font-size:19px;font-weight:800;border-radius:6px}
.eyebrow{margin:0 0 5px;color:var(--teal);font-size:11px;font-weight:800;letter-spacing:0;text-transform:uppercase}
h1,h2,p{margin-top:0}
h1{font-size:25px;line-height:1.25;margin-bottom:0;font-weight:700}
h2{font-size:18px;line-height:1.35;margin-bottom:0;font-weight:700}
.muted{color:var(--muted);margin:9px 0 0}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:224px;flex:none;background:#1b2a2d;color:#e6efed;padding:27px 15px 20px;display:flex;flex-direction:column}
.sidebar .brand{padding:0 8px;gap:8px;font-size:16px;white-space:nowrap}
.sidebar .brand-mark{width:29px;height:29px;font-size:18px}
.sidebar-label{color:#93a9a7;margin:48px 12px 12px;font-size:11px}
.sidebar nav{display:grid;gap:3px}
.nav-link{color:#bed0cd;padding:11px 13px;border-radius:5px;font-weight:600}
.nav-link:hover{color:white;background:#304548;text-decoration:none}
.nav-link.active{color:white;background:#126f68}
.sidebar-bottom{margin-top:auto;border-top:1px solid #394c4e;padding:18px 11px 0;display:flex;justify-content:space-between;align-items:center;gap:10px}
.sidebar-user{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.logout-button{border:0;background:transparent;color:#b8cbc8;padding:0;white-space:nowrap}
.logout-button:hover{color:white}
.main-content{width:100%;min-width:0;max-width:1440px;margin:0 auto;padding:30px 38px 70px}
.topbar{display:flex;justify-content:space-between;align-items:center;padding-bottom:24px;border-bottom:1px solid var(--line);gap:20px}
.topbar-account{display:flex;align-items:center;gap:9px;color:#46605f;font-weight:600}
.account-dot{width:8px;height:8px;border-radius:50%;background:#4aaa7e}
.notice{margin:19px 0 0;padding:11px 14px;border-radius:5px;border:1px solid transparent}
.notice.error{background:var(--red-soft);border-color:#f0cbc9;color:#8c2e2c}
.notice.success{background:var(--teal-soft);border-color:#b9ded2;color:#105c4f}
.welcome-band,.backup-summary{margin:28px 0 0;display:flex;align-items:center;justify-content:space-between;gap:20px;background:#e8f3ef;border:1px solid #d5e9e2;padding:26px 29px;border-radius:6px}
.welcome-band h2{font-size:23px}
.status{display:inline-flex;align-items:center;white-space:nowrap;border-radius:4px;padding:6px 10px;font-size:12px;font-weight:700}
.status.on{background:#d7eee3;color:#166a4d}
.status.off{background:var(--amber-soft);color:var(--amber)}
.status.small{padding:4px 7px}
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:14px 0 29px}
.metric{display:flex;flex-direction:column;min-width:0;min-height:116px;border:1px solid var(--line);background:var(--surface);padding:17px 19px;border-radius:5px}
.metric span{color:var(--muted);font-size:12px}
.metric strong{font-size:19px;line-height:1.35;margin-top:12px;overflow-wrap:anywhere}
.metric small{font-size:11px;color:var(--muted);margin-top:auto;padding-top:5px}
.section{margin:32px 0 0}
.first-section{margin-top:29px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:15px}
.section-link{font-weight:700}
.quota-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:white;border:1px solid var(--line);border-radius:5px}
.quota{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:20px 19px;min-width:0}
.quota+.quota{border-left:1px solid var(--line)}
.quota span{color:var(--muted)}
.quota strong{font-size:24px}
.table-scroll{overflow-x:auto;background:white;border:1px solid var(--line);border-radius:5px}
table{border-collapse:collapse;width:100%;min-width:690px;text-align:left}
th{background:#f9fbfa;color:#677b7c;font-size:11px;font-weight:700;white-space:nowrap}
th,td{padding:13px 15px;border-bottom:1px solid #e9eeed;vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
td{color:#3c4e50}
td strong{color:var(--ink)}
td code{font-family:Consolas,"Courier New",monospace;font-size:11px;color:#66787a;overflow-wrap:anywhere}
.filename{font-weight:600;color:var(--ink)}
.nowrap{white-space:nowrap}
.actions{text-align:right}
.row-actions{display:flex;justify-content:flex-end;align-items:center;gap:13px}
.row-actions form{margin:0}
.text-button,.delete-menu summary{background:transparent;border:0;color:var(--teal-dark);padding:3px;font-weight:700;white-space:nowrap}
.text-button:hover,.delete-menu summary:hover{text-decoration:underline}
.delete-menu{display:inline-block;text-align:left}
.delete-menu summary{list-style:none;cursor:pointer;color:var(--red)}
.delete-menu summary::-webkit-details-marker{display:none}
.delete-menu form{margin-top:8px;min-width:128px;padding:9px 0}
.delete-menu p{font-size:12px;color:var(--muted);margin:0 0 8px}
.unbind-form{display:grid;gap:7px;min-width:150px;text-align:left}
.unbind-form input{width:150px;padding:7px 8px}
.confirm-hint{display:grid;gap:5px;color:var(--muted);font-size:11px;font-weight:600;white-space:nowrap}
.danger-button{background:#b54845;color:white;border:1px solid #b54845;padding:7px 9px;border-radius:4px;font-size:12px;font-weight:700;white-space:nowrap}
.danger-button:hover{background:#913b39}
.empty{padding:44px 18px;text-align:center;background:white;border:1px solid var(--line);border-radius:5px;color:#829092}
.heading-count{font-size:13px;color:var(--muted);font-weight:500;margin-left:7px}
.rename-form{display:flex;gap:6px;align-items:center}
.rename-form input{width:160px;min-width:100px}
input{outline:none;border:1px solid #cbd8d5;border-radius:4px;background:white;color:var(--ink);padding:10px 11px;width:100%;min-width:0}
input:focus{border-color:#20877b;box-shadow:0 0 0 3px #d9efe9}
.backup-summary{background:#edf5f6;border-color:#d5e5e8}
.backup-total{display:flex;align-items:baseline;gap:8px;white-space:nowrap;color:#597174}
.backup-total strong{font-size:31px;color:#1c5e67}
.backup-control{padding-bottom:24px;border-bottom:1px solid var(--line)}
.backup-setting-form{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.backup-setting-copy{flex:1 1 220px;min-width:0}
.backup-setting-copy label{font-weight:700;color:var(--ink)}
.backup-setting-copy p{margin:5px 0 0;color:var(--muted);font-size:12px}
.backup-switch{appearance:none;position:relative;flex:none;width:46px;height:26px;padding:0;border:1px solid #a7b8b5;border-radius:13px;background:#cbd8d5;cursor:pointer;transition:background .15s,border-color .15s}
.backup-switch::after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:white;box-shadow:0 1px 3px rgba(0,0,0,.18);transition:transform .15s}
.backup-switch:checked{background:var(--teal);border-color:var(--teal)}
.backup-switch:checked::after{transform:translateX(20px)}
.backup-switch:focus-visible{outline:2px solid var(--teal-dark);outline-offset:3px;box-shadow:none}
.pager{display:flex;justify-content:flex-end;align-items:center;gap:18px;margin:15px 0;color:var(--muted)}
.pager a{font-weight:700}
.narrow{max-width:600px}
.form-note{color:var(--ink);margin-bottom:20px}
.input-hint{margin:-9px 0 0;color:var(--muted);font-size:12px;line-height:1.6}
.password-dialog{width:calc(100% - 32px);max-width:440px;border:1px solid var(--line);border-radius:6px;background:white;color:var(--ink);padding:26px;box-shadow:0 20px 55px rgba(0,0,0,.18)}
.password-dialog::backdrop{background:rgba(12,31,32,.5)}
.password-dialog p{margin:17px 0 23px;line-height:1.8}
.password-dialog form{display:flex;justify-content:flex-end}
.stack-form{display:grid;gap:17px}
.stack-form label{display:grid;gap:7px;font-weight:700;color:#34484a}
.stack-form input{font-weight:400}
.primary-button{border:1px solid var(--teal);border-radius:4px;background:var(--teal);color:white;padding:11px 17px;font-weight:700;width:max-content;min-width:112px}
.primary-button:hover{background:var(--teal-dark)}
.auth-page{min-height:100vh;background:#edf3f1}
.auth-shell{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:35px 20px}
.auth-shell>.brand{margin-bottom:25px;color:#163b38}
.auth-panel{width:100%;max-width:410px;background:white;border:1px solid #d9e5e1;border-radius:6px;padding:31px 32px 28px;box-shadow:0 15px 38px rgba(17,55,48,.07)}
.auth-heading{margin-bottom:25px}
.auth-heading h1{font-size:25px}
.auth-heading>p:last-child{color:var(--muted);margin:9px 0 0}
.auth-panel .stack-form{gap:16px}
.auth-panel .primary-button{width:100%;margin-top:5px}
.auth-switch{border-top:1px solid var(--line);margin-top:26px;padding-top:19px;text-align:center;color:var(--muted)}
.auth-switch a{font-weight:700;margin-left:4px}
.auth-foot{font-size:11px;color:#7c9290;margin:22px 0 0;text-align:center}
@media(max-width:1000px){.sidebar{width:190px}.main-content{padding:27px 24px 60px}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.quota-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.quota:nth-child(3){border-left:0;border-top:1px solid var(--line)}.quota:nth-child(4){border-top:1px solid var(--line)}}
@media(max-width:680px){.app-shell{display:block}.sidebar{width:100%;padding:13px 14px 0}.sidebar .brand{padding:0 1px;font-size:16px}.sidebar-label{display:none}.sidebar nav{display:flex;overflow-x:auto;gap:2px;margin-top:13px}.nav-link{flex:none;padding:10px 12px;border-radius:4px 4px 0 0}.sidebar-bottom{position:absolute;right:14px;top:18px;border:0;padding:0}.sidebar-user{display:none}.logout-button{font-size:12px}.main-content{padding:24px 16px 48px}.topbar{padding-bottom:18px}.topbar-account{display:none}.welcome-band,.backup-summary{align-items:flex-start;flex-direction:column;padding:20px;margin-top:21px}.welcome-band h2{font-size:20px}.metric-grid{gap:8px;margin-bottom:25px}.metric{padding:13px;min-height:110px}.metric strong{font-size:16px}.quota{padding:16px 13px}.quota span{font-size:12px}.quota strong{font-size:20px}.section{margin-top:26px}.section-head{align-items:end}.auth-panel{padding:27px 22px}.backup-total strong{font-size:26px}}
@media(max-width:680px){.backup-table,.device-table{min-width:0}.backup-table thead,.device-table thead{display:none}.backup-table tbody,.device-table tbody{display:block}.backup-table tr,.device-table tr{display:grid;border-bottom:1px solid var(--line);padding:12px 14px}.backup-table tr:last-child,.device-table tr:last-child{border-bottom:0}.backup-table td,.device-table td{border:0;padding:5px 0;min-width:0}.backup-table tr{grid-template-columns:minmax(0,1fr) auto;column-gap:12px}.backup-table td:nth-child(1){grid-area:2/1}.backup-table td:nth-child(2){grid-area:1/1/2/3;overflow-wrap:anywhere}.backup-table td:nth-child(3){grid-area:2/2}.backup-table td:nth-child(4){grid-area:3/1}.backup-table td:nth-child(5){grid-area:3/2}.backup-table td.actions{align-self:center}.device-table tr{grid-template-columns:minmax(0,1fr) minmax(0,1fr);column-gap:10px}.device-table td:first-child{grid-column:1/-1;padding-bottom:10px;border-bottom:1px solid var(--line)}.device-table td:nth-child(2):before,.device-table td:nth-child(3):before{display:block;color:var(--muted);font-size:11px;margin-bottom:3px}.device-table td:nth-child(2):before{content:"状态"}.device-table td:nth-child(3):before{content:"最近连接"}.device-table td:nth-child(3){text-align:right}.device-table td:nth-child(4),.device-table td:nth-child(5){grid-column:1/-1;padding-top:11px}.device-table td:nth-child(4){border-top:1px solid var(--line)}.device-table td:nth-child(5){border-top:1px solid var(--line);text-align:left}.device-table .rename-form input{width:auto;flex:1}.device-table .delete-menu form{padding:7px 0}.device-table .unbind-form input{width:100%}.device-table .unbind-form{max-width:220px}}