:root{--bg:#f4f6f5;--panel:#fff;--ink:#17201c;--muted:#77817c;--line:#e5e9e7;--green:#07c160;--green-dark:#078e48;--green-soft:#e9f8f0;--red:#d83a31;--purple:#7057d9;--shadow:0 18px 50px rgba(25,54,40,.08)}
*{box-sizing:border-box}html{min-width:320px}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Microsoft YaHei UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px}.hidden{display:none!important}.dialog-open{overflow:hidden}button,input,select{font:inherit}button{border:0;cursor:pointer}.topbar{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 5vw;position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;background:var(--green);font-weight:800}.brand strong,.brand small{display:block}.brand small{color:var(--muted);font-size:12px;margin-top:2px}.top-actions{display:flex;align-items:center;gap:12px}.badge{max-width:380px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:7px 12px;border-radius:999px;background:#eef1ef;color:#68716c;font-size:12px}.badge.ok{color:var(--green-dark);background:var(--green-soft)}.quiet{background:transparent;color:#66706b;padding:10px 12px;border-radius:9px}.quiet:hover,.quiet:focus{background:#edf0ee}.primary{background:var(--green);color:#fff;border-radius:12px;padding:13px 18px;font-weight:700;box-shadow:0 8px 20px rgba(7,193,96,.2)}.primary:hover,.primary:focus{background:var(--green-dark)}.primary:disabled{opacity:.55;cursor:wait}.full{width:100%}
.login-layout{max-width:1120px;margin:6vh auto;padding:0 28px;display:grid;grid-template-columns:1.08fr .92fr;gap:34px}.hero-card{min-height:555px;border-radius:28px;padding:62px;background:linear-gradient(145deg,#143c2b,#0a6a3b);color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow)}.hero-card:after{content:"";position:absolute;width:360px;height:360px;border:70px solid rgba(255,255,255,.05);border-radius:50%;right:-140px;bottom:-160px}.eyebrow{font-size:12px;letter-spacing:.11em;color:var(--green-dark);font-weight:800}.hero-card .eyebrow{color:#8ce3b5}.hero-card h1{font-size:46px;line-height:1.2;margin:62px 0 24px}.hero-card h1 em{color:#79e2ac;font-style:normal}.hero-card p{font-size:17px;line-height:1.8;color:#d2e7dc;max-width:510px}.trust-row{position:absolute;left:62px;bottom:52px;display:flex;gap:21px;font-size:13px;color:#bde2ce}.login-card{align-self:center;background:var(--panel);border-radius:28px;padding:38px;box-shadow:var(--shadow)}.login-heading h2{font-size:30px;margin:10px 0}.login-heading p{color:var(--muted);margin:0 0 28px}.login-card label{display:block;color:#59635e;font-size:13px;margin:18px 0}.login-card input,.backup-picker select{width:100%;border:1px solid #dce2df;background:#fbfcfb;border-radius:11px;padding:12px 13px;color:var(--ink);outline:none;margin-top:7px}.login-card input:focus,.backup-picker select:focus,.search:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(7,193,96,.1)}.form-note{color:#929a96;font-size:12px;line-height:1.6}.status{margin-top:18px;border-radius:10px;padding:11px 13px;background:#fff5e5;color:#915e0b;font-size:13px}.status.error{background:#fff0ef;color:var(--red)}
.workspace{max-width:1440px;margin:0 auto;min-height:calc(100vh - 72px);display:grid;grid-template-columns:260px 1fr}.sidebar{background:#fff;border-right:1px solid var(--line);padding:28px 20px;display:flex;flex-direction:column}.backup-meta{border-radius:15px;background:#f4f8f6;padding:18px;margin-bottom:16px}.backup-meta small,.backup-meta strong,.backup-meta span{display:block}.backup-meta small{color:var(--muted);font-size:12px}.backup-meta strong{margin:8px 0;font-size:14px;word-break:break-word}.backup-meta span{color:var(--muted);font-size:12px;line-height:1.5}.backup-meta .integrity{color:var(--green-dark);margin-top:8px;font-weight:700}.backup-picker{font-size:12px;color:var(--muted);margin-bottom:20px}.backup-picker select{font-size:12px;margin-top:7px;background:#fff}.sidebar nav{flex:1}.nav-item{width:100%;text-align:left;background:transparent;padding:13px 14px;border-radius:11px;margin:3px 0;color:#5a645f;display:flex;justify-content:space-between}.nav-item.active{color:var(--green-dark);font-weight:700;background:var(--green-soft)}.nav-item span{font-size:12px;color:#929a96}.content{padding:38px 44px 60px;min-width:0}.content-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:28px;gap:24px}.content-head h2{font-size:30px;margin:8px 0 0}.search{width:390px;display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:0 12px}.search input{width:100%;border:0;outline:0;padding:12px 0;background:transparent}.search span{color:#8b948f;font-size:22px}.search-summary{background:#edf8f2;color:#3f7257;border-radius:12px;padding:13px 16px;margin:-10px 0 22px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}.stat{background:#fff;border:1px solid var(--line);border-radius:17px;padding:21px}.stat strong{font-size:31px;display:block;margin-top:10px}.stat small{color:var(--muted)}.stat.overdue strong{color:var(--red)}.stat.done strong{color:var(--green-dark)}.grid-two{display:grid;grid-template-columns:1fr 1fr;gap:20px}.section-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;min-width:0}.section-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.section-title h3{margin:0}.section-title span{color:var(--muted);font-size:12px}.list{display:flex;flex-direction:column}.item{display:block;width:100%;text-align:left;background:transparent;padding:15px 2px;border-bottom:1px solid #edf0ee;color:var(--ink)}.item:last-child{border-bottom:0}.item:hover,.item:focus{background:#fafcfb}.item-top{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.item h4{font-size:16px;margin:0;line-height:1.45}.item p{color:var(--muted);margin:6px 0 0;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:10px}.tag{display:inline-block;font-size:12px;padding:5px 8px;border-radius:7px;background:#f0f2f1;color:#68716c}.tag.green{background:var(--green-soft);color:var(--green-dark)}.tag.red{background:#fff0ef;color:var(--red)}.tag.purple{background:#f1edff;color:var(--purple)}.date{font-size:12px;color:#8a938f;white-space:nowrap}.data-table{background:#fff;border:1px solid var(--line);border-radius:17px;overflow:hidden}.table-head,.table-row{display:grid;grid-template-columns:minmax(220px,1.7fr) minmax(220px,2fr) 140px 135px;gap:18px;padding:15px 20px;align-items:center}.table-head{background:#f7f9f8;color:#7d8682;font-size:12px}.table-row{width:100%;text-align:left;color:var(--ink);background:#fff;border-top:1px solid var(--line)}.table-row:hover,.table-row:focus{background:#fafcfb}.table-row strong{line-height:1.45}.cell-muted{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.empty{text-align:center;padding:70px 20px;color:var(--muted);background:#fff;border-radius:17px;border:1px solid var(--line)}.empty.compact{padding:48px 15px;border:0;background:#fafbfa}.report{display:block;width:100%;text-align:left;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:17px;padding:22px;margin-bottom:14px}.report:hover,.report:focus{border-color:#bfdaca}.report header{display:flex;justify-content:space-between;gap:15px}.report h3{margin:0}.report pre{white-space:pre-wrap;font:inherit;line-height:1.72;color:#4f5954;max-height:250px;overflow:hidden;background:#fafbfa;border-radius:11px;padding:14px}.search-group{margin-bottom:28px}.search-group>h3{font-size:18px}.search-group>h3 span{color:var(--muted);font-size:13px;margin-left:6px}.search-results{display:grid;grid-template-columns:1fr 1fr;gap:12px}.search-card{display:flex;justify-content:space-between;gap:20px;text-align:left;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px}.search-card:hover,.search-card:focus{border-color:#b8d9c7}.search-card strong{line-height:1.45}.search-card p{color:var(--muted);margin:7px 0 0;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.toast{position:fixed;right:28px;bottom:28px;padding:13px 18px;border-radius:11px;background:#17201c;color:#fff;box-shadow:var(--shadow);z-index:99}
.dialog{position:fixed;inset:0;z-index:100;display:flex;align-items:stretch;justify-content:flex-end}.dialog-backdrop{position:absolute;inset:0;background:rgba(18,28,23,.42);width:100%}.dialog-card{position:relative;width:min(620px,92vw);height:100%;overflow:auto;background:#fff;padding:34px 36px;box-shadow:-18px 0 55px rgba(18,28,23,.18)}.dialog-card header{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);padding-bottom:22px}.dialog-card header h2{font-size:27px;line-height:1.4;margin:10px 0 0}.dialog-close{font-size:30px;line-height:1;width:42px;height:42px;border-radius:50%;background:#f1f3f2;color:#626d67}.detail-body{padding:24px 0 50px}.detail-line{display:grid;grid-template-columns:100px 1fr;gap:16px;padding:11px 0;border-bottom:1px solid #f0f2f1}.detail-line span{color:var(--muted)}.detail-line strong{font-weight:500}.detail-body section{margin-top:28px}.detail-body section h3{font-size:16px}.detail-body section p{line-height:1.78;color:#3f4944}.remark{background:#f7f9f8;border-radius:12px;padding:14px;margin:9px 0}.remark p{margin:0 0 7px!important}.remark span{font-size:12px;color:var(--muted)}.attachment-row{display:flex;justify-content:space-between;gap:18px;padding:12px 0;border-bottom:1px solid var(--line)}.attachment-row small{color:var(--muted);white-space:nowrap}
@media(max-width:900px){.login-layout{grid-template-columns:1fr;margin:24px auto}.hero-card{display:none}.workspace{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--line);padding:18px}.backup-meta,.backup-picker{display:none}.sidebar nav{display:flex;overflow:auto}.nav-item{white-space:nowrap;width:auto}.content{padding:26px 20px}.stat-grid{grid-template-columns:1fr 1fr}.grid-two,.search-results{grid-template-columns:1fr}.content-head{align-items:flex-start;gap:16px;flex-direction:column}.search{width:100%}.table-head{display:none}.table-row{grid-template-columns:1fr;gap:7px}.topbar{padding:0 18px}.badge{display:none}.dialog-card{width:100%;padding:26px 22px}}
@media(max-width:520px){.login-card{padding:28px 22px;border-radius:20px}.login-layout{padding:0 16px}.stat-grid{gap:10px}.stat{padding:16px}.content-head h2{font-size:26px}.top-actions .quiet{font-size:13px}.dialog-card header h2{font-size:22px}.detail-line{grid-template-columns:82px 1fr}}

/* v0.2.0：桌面网页采用顶部导航，并由用户按需载入备份。 */
.workspace{display:block;max-width:1440px}.workspace-tools{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:22px 44px;background:#fff;border-bottom:1px solid var(--line)}.backup-meta{min-width:280px;padding:0;margin:0;background:transparent;border-radius:0}.backup-meta strong{margin:5px 0}.backup-meta .integrity{margin-top:3px}.backup-controls{display:flex;align-items:flex-end;justify-content:flex-end;gap:10px;min-width:0}.backup-picker{width:min(460px,42vw);margin:0}.backup-picker span{display:block}.backup-picker select{margin-top:6px}.compact{padding:11px 16px;white-space:nowrap}.bordered{border:1px solid var(--line);background:#fff;white-space:nowrap}.top-nav{display:flex;align-items:center;gap:6px;padding:0 44px;background:#fff;border-bottom:1px solid var(--line);overflow-x:auto}.nav-item{flex:0 0 auto;width:auto;text-align:center;padding:15px 18px 13px;margin:0;border-radius:0;border-bottom:3px solid transparent;display:flex;align-items:center;justify-content:center;gap:7px}.nav-item:hover,.nav-item:focus{color:var(--green-dark);background:#f7faf8}.nav-item.active{color:var(--green-dark);font-weight:700;background:transparent;border-bottom-color:var(--green)}.content{padding-top:34px}.search input:disabled{color:#a2aaa6;cursor:not-allowed}.backup-empty strong{display:block;color:var(--ink);font-size:20px;margin-bottom:10px}.backup-empty p{margin:0;line-height:1.7}
@media(max-width:900px){.workspace-tools{padding:18px 20px;align-items:stretch;flex-direction:column;gap:14px}.backup-meta,.backup-picker{display:block}.backup-controls{justify-content:stretch;align-items:flex-end}.backup-picker{width:auto;flex:1}.top-nav{padding:0 14px}.nav-item{white-space:nowrap}.content{padding:26px 20px}}
@media(max-width:620px){.backup-controls{align-items:stretch;flex-direction:column}.backup-picker{width:100%}.compact,.bordered{width:100%}}