:root{--primary: #0f766e;--primary-dark: #0b5a54;--primary-soft: #ccfbf1;--primary-tint: #f0fdfa;--text: #10231f;--text-2: #3d5b55;--muted: #78938d;--bg: #f4f7f6;--card: #ffffff;--line: #e4ebe9;--danger: #b42318;--danger-soft: #fee4e2;--warn: #b54708;--warn-soft: #fef0c7;--ok: #067647;--ok-soft: #d1fadf;--radius-sm: 10px;--radius: 14px;--radius-lg: 18px;--shadow: 0 6px 18px rgba(16, 60, 55, .06);--shadow-lg: 0 12px 30px rgba(16, 60, 55, .12);--tabbar-h: 60px;--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-top: env(safe-area-inset-top, 0px)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%}.hidden{display:none!important}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}button{font-family:inherit;font-size:inherit;cursor:pointer}.noscript{padding:24px;text-align:center;color:var(--text-2)}.boot{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:var(--muted)}.boot-spinner{width:30px;height:30px;border-radius:50%;border:3px solid var(--primary-soft);border-top-color:var(--primary);animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.boot-text{margin:0;font-size:14px}.fatal{max-width:420px;margin:0 auto;padding:calc(18vh + var(--safe-top)) 24px 40px;text-align:center}.fatal-title{font-size:20px;margin:0 0 10px}.fatal-message{color:var(--text-2);font-size:15px;margin:0 0 22px;word-break:break-word}.btn-primary,.btn-ghost,.btn-danger{min-height:48px;padding:0 20px;border-radius:12px;border:1px solid transparent;font-size:16px;font-weight:600;transition:background-color .16s ease,border-color .16s ease,opacity .16s ease}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary-soft)}.btn-ghost:hover:not(:disabled){background:var(--primary-tint);border-color:var(--primary)}.btn-danger{background:var(--danger);color:#fff}.btn-primary:disabled,.btn-ghost:disabled,.btn-danger:disabled{opacity:.55;cursor:not-allowed}.btn-block{display:block;width:100%}.field{display:block;margin:0 0 16px}.field:last-child{margin-bottom:0}.field-label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:6px;letter-spacing:.01em}.field-hint{margin:8px 0 0;font-size:12px;color:var(--muted)}.input{display:block;width:100%;min-height:48px;padding:10px 14px;font-size:16px;font-family:inherit;color:var(--text);background:#fff;border:1px solid var(--line);border-radius:12px;outline:none;transition:border-color .16s ease,box-shadow .16s ease;-webkit-appearance:none;-moz-appearance:none;appearance:none}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #0f766e1f}.textarea{min-height:96px;resize:vertical;line-height:1.6}.select{background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 21px,calc(100% - 13px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:38px}.login{min-height:100vh;padding:calc(9vh + var(--safe-top)) 20px calc(40px + var(--safe-bottom));max-width:440px;margin:0 auto}.login-brand{text-align:center;margin-bottom:26px}.login-logo{width:56px;height:56px;margin:0 auto 14px;border-radius:16px;background:linear-gradient(135deg,var(--primary) 0%,#14b8a6 100%);color:#fff;font-size:24px;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}.login-title{font-size:24px;margin:0 0 6px;letter-spacing:.01em}.login-subtitle{margin:0;font-size:14px;color:var(--muted)}.login-card{background:var(--card);border-radius:var(--radius-lg);padding:22px 20px;box-shadow:var(--shadow);border:1px solid rgba(226,236,234,.9)}.login-seg{margin-bottom:18px}.login-panel{display:block}.panel-hint{margin:0 0 14px;font-size:12px;line-height:1.6;color:var(--muted)}.login-footer{margin-top:18px;padding-top:12px;border-top:1px solid var(--line);text-align:center}.link-plain{border:0;background:transparent;color:var(--primary);font-size:13px;min-height:44px;padding:0 10px;text-decoration:underline;text-underline-offset:3px}.inline-hint{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin:10px 0 0}.inline-hint .btn-ghost{min-height:44px;padding:0 14px;font-size:14px;white-space:nowrap}.login-back{margin-top:10px}.code-row{display:flex;gap:10px;align-items:stretch}.code-row .input{flex:1 1 auto;min-width:0}.code-row .btn-ghost{flex:0 0 auto;padding:0 14px;font-size:14px;white-space:nowrap}.form-error{margin:0 0 14px;padding:10px 12px;border-radius:10px;background:var(--danger-soft);color:var(--danger);font-size:14px;word-break:break-word}.login-hint{margin:14px 0 0;font-size:12px;color:var(--muted);text-align:center}.app{min-height:100vh;padding-bottom:calc(var(--tabbar-h) + var(--safe-bottom) + 12px)}.app-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:calc(10px + var(--safe-top)) 16px 10px;background:#f4f7f6eb;backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}.app-title{font-size:17px;font-weight:600;margin:0;letter-spacing:.01em}.header-user{min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--text-2);font-size:13px;max-width:44vw}.header-user-name{display:inline-block;max-width:40vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:middle}.view{padding:16px 16px 24px;max-width:880px;margin:0 auto}.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;align-items:stretch;height:calc(var(--tabbar-h) + var(--safe-bottom));padding-bottom:var(--safe-bottom);background:#fffffff5;backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-top:1px solid var(--line)}.tab-item{flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:0;background:transparent;color:var(--muted);padding:6px 4px;min-height:44px}.tab-icon{width:24px;height:24px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;background:#eef2f1;color:var(--text-2)}.tab-text{font-size:11px;letter-spacing:.02em}.tab-item.is-active{color:var(--primary)}.tab-item.is-active .tab-icon{background:var(--primary);color:#fff}.tab-item.is-active .tab-text{font-weight:600}.fab{position:fixed;right:18px;bottom:calc(var(--tabbar-h) + var(--safe-bottom) + 16px);z-index:25;height:50px;padding:0 20px;border:0;border-radius:999px;background:var(--primary);color:#fff;font-size:15px;font-weight:600;box-shadow:var(--shadow-lg)}.fab:active{background:var(--primary-dark)}.toast-host{position:fixed;left:50%;transform:translate(-50%);bottom:calc(var(--tabbar-h) + var(--safe-bottom) + 24px);z-index:60;display:flex;flex-direction:column;gap:8px;width:min(92vw,420px);pointer-events:none}.toast{padding:11px 15px;border-radius:12px;font-size:14px;line-height:1.45;color:#fff;background:#24352f;box-shadow:var(--shadow-lg);animation:toast-in .2s ease;word-break:break-word}.toast-success{background:var(--ok)}.toast-warn{background:#8a5a06}.toast-error{background:var(--danger)}.toast.is-out{opacity:0;transform:translateY(6px);transition:opacity .2s ease,transform .2s ease}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.confirm-host{position:fixed;top:0;right:0;bottom:0;left:0;z-index:80;display:flex;align-items:flex-end;justify-content:center}.confirm-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#0b201d6b}.confirm-panel{position:relative;width:min(100%,420px);background:#fff;border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:22px 20px calc(20px + var(--safe-bottom));box-shadow:var(--shadow-lg);animation:panel-up .2s ease}@keyframes panel-up{0%{transform:translateY(12px);opacity:.6}to{transform:translateY(0);opacity:1}}.confirm-title{margin:0 0 8px;font-size:17px}.confirm-desc{margin:0 0 20px;font-size:14px;color:var(--text-2);word-break:break-word}.confirm-actions{display:flex;gap:10px}.confirm-actions>button{flex:1 1 0}.overview{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:16px}.overview-4{grid-template-columns:repeat(2,minmax(0,1fr))}.metric-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px 12px 10px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:4px;min-height:72px}.metric-label{font-size:12px;color:var(--muted);letter-spacing:.01em}.metric-value{font-size:22px;font-weight:700;color:var(--primary);line-height:1.15}.metric-unit{font-size:12px;font-weight:500;color:var(--muted);margin-left:3px}.toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.btn-sm{min-height:44px;padding:0 14px;font-size:14px;font-weight:500;border-radius:11px;flex:0 0 auto}.toolbar .btn-sm{flex:1 1 auto;min-width:120px}.search-row{margin-bottom:14px}.search-input{background:#fff}.student-list{display:flex;flex-direction:column;gap:10px}.student-card{display:grid;grid-template-columns:1fr auto;grid-template-areas:"main metrics" "latest latest";gap:6px 10px;width:100%;text-align:left;padding:14px 16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:border-color .16s ease,transform .12s ease}.student-card:active{transform:scale(.995);border-color:var(--primary-soft)}.student-main{grid-area:main;display:flex;flex-direction:column;min-width:0}.student-name{font-size:16px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-no{font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-metrics{grid-area:metrics;display:flex;flex-direction:column;align-items:flex-end;gap:4px}.chip{display:inline-block;padding:2px 9px;border-radius:999px;background:var(--primary-tint);border:1px solid var(--primary-soft);color:var(--primary-dark);font-size:11px;white-space:nowrap}.student-latest{grid-area:latest;font-size:12px;color:var(--muted)}.skeleton-card,.skeleton-metric{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px}.skeleton-list{display:flex;flex-direction:column;gap:10px}.skeleton-line{height:12px;border-radius:6px;background:linear-gradient(90deg,#eef2f1 25%,#f6f9f8 37%,#eef2f1 63%);background-size:400% 100%;animation:shimmer 1.4s ease infinite;margin-bottom:8px}.skeleton-line:last-child{margin-bottom:0}.skeleton-line-lg{height:16px;width:55%}.skeleton-line-sm{width:35%}.skeleton-metric{min-height:72px}@keyframes shimmer{0%{background-position:100% 50%}to{background-position:0 50%}}.empty-state{text-align:center;padding:46px 20px;background:var(--card);border:1px dashed var(--line);border-radius:var(--radius)}.empty-title{margin:0 0 6px;font-size:15px;font-weight:600;color:var(--text)}.empty-desc{margin:0 0 16px;font-size:13px;color:var(--muted);word-break:break-word}.empty-desc:last-child{margin-bottom:0}.detail-head{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin-bottom:18px}.detail-name{margin:0 0 4px;font-size:20px}.detail-meta{margin:0 0 2px;font-size:13px;color:var(--text-2)}.detail-count{margin:8px 0 0;font-size:12px;color:var(--muted)}.timeline{display:flex;flex-direction:column;gap:12px;position:relative;padding-left:18px}.timeline:before{content:"";position:absolute;left:4px;top:6px;bottom:6px;width:2px;background:var(--line);border-radius:2px}.record-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:13px 15px;box-shadow:var(--shadow);cursor:pointer;transition:border-color .16s ease,box-shadow .16s ease}.record-card:hover{border-color:var(--primary-soft);box-shadow:0 8px 22px #103c371a}.record-card:active{background:#fcfdfd}.record-card:before{content:"";position:absolute;left:-18px;top:20px;width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid var(--primary-soft)}.record-head{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:6px}.record-date{font-size:13px;font-weight:600;color:var(--text)}.record-tools{margin-left:auto;display:inline-flex;align-items:center;gap:2px}.record-head .record-tools .link-danger{margin-left:0}.link-edit{border:0;background:transparent;color:var(--primary);font-size:12px;display:inline-flex;align-items:center;justify-content:center;padding:0 6px;min-height:44px;min-width:44px}.link-edit:hover{text-decoration:underline}.record-task{margin:4px 0;font-size:13px;color:var(--text-2);word-break:break-word}.record-content{margin:6px 0 0;font-size:14px;color:var(--text-2);line-height:1.65;word-break:break-word}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11px;font-weight:600;line-height:1.6;white-space:nowrap}.badge-meeting{background:#e0f2fe;color:#0b5b8a}.badge-task{background:#ede9fe;color:#5b21b6}.badge-other{background:#f1f5f9;color:#475569}.badge-ok{background:var(--ok-soft);color:var(--ok)}.badge-warn{background:var(--warn-soft);color:var(--warn)}.badge-danger{background:var(--danger-soft);color:var(--danger)}.badge-neutral{background:#f1f5f9;color:#475569}.link-danger{border:0;background:transparent;color:var(--danger);font-size:12px;display:inline-flex;align-items:center;justify-content:center;padding:0 6px;min-height:44px;min-width:44px}.link-danger:hover{text-decoration:underline}.attach-list{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}.attach-item{list-style:none}.attach-btn{display:flex;align-items:center;gap:10px;width:100%;min-height:48px;padding:6px 10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fbfdfc;text-align:left}.attach-btn:hover{border-color:var(--primary-soft);background:var(--primary-tint)}.attach-btn.is-busy{opacity:.6}.attach-icon{flex:0 0 auto;width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;letter-spacing:.02em;color:#fff;background:#64748b}.attach-icon-pdf{background:#dc2626}.attach-icon-doc{background:#2563eb}.attach-icon-img{background:#0f766e}.attach-thumb{flex:0 0 auto;width:44px;height:44px;border-radius:9px;overflow:hidden;background:#eef2f1;display:flex;align-items:center;justify-content:center;font-size:9px;color:var(--muted);text-align:center}.attach-thumb.is-failed{font-size:9px}.attach-thumb-img{width:100%;height:100%;object-fit:cover;display:block}.attach-name{flex:1 1 auto;min-width:0;font-size:13px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attach-size{flex:0 0 auto;font-size:11px;color:var(--muted)}.detail-actions{margin-top:20px}.detail-actions .btn-ghost{width:100%}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin-bottom:14px}.card-title{margin:0 0 12px;font-size:15px;font-weight:600}.card-empty{margin:0;font-size:13px;color:var(--muted)}.seg-block{margin:0 0 16px}.seg-block:last-child{margin-bottom:0}.seg{display:flex;gap:8px;flex-wrap:wrap}.seg-item{flex:1 1 0;min-width:72px;min-height:44px;padding:0 10px;border-radius:11px;border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:15px;font-weight:500;transition:background-color .14s ease,border-color .14s ease,color .14s ease}.seg-item.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}.file-list{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}.file-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fbfdfc}.file-name{flex:1 1 auto;min-width:0;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-size{flex:0 0 auto;font-size:11px;color:var(--muted)}.file-list-existing{margin-top:0;margin-bottom:10px}.file-open{flex:1 1 auto;min-width:0;padding:0;border:0;background:transparent;color:var(--primary);font-size:13px;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-open:hover{text-decoration:underline}.file-open.is-busy{opacity:.6}.form-actions{margin-top:4px;padding-bottom:8px}.record-form .form-actions{position:sticky;bottom:calc(var(--tabbar-h) + var(--safe-bottom) + 6px);z-index:10;margin:0;padding:10px 0;background:linear-gradient(180deg,rgba(244,247,246,0) 0%,rgba(244,247,246,.92) 40%,var(--bg) 100%)}.record-form .form-actions .btn-primary{box-shadow:var(--shadow-lg)}.record-meta{margin:4px 0 0;font-size:12px;color:var(--muted);word-break:break-word}.detail-top{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:4px}.detail-top .detail-name{margin:0}.detail-paper{margin-top:6px;word-break:break-word}.link-plain-inline{border:0;background:transparent;padding:0 4px;color:var(--primary);font-size:13px;text-decoration:underline;text-underline-offset:3px;display:inline-flex;align-items:center;min-height:44px;vertical-align:middle}.batch-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:8px}.batch-head .card-title{margin:0}.batch-count{font-size:12px;color:var(--primary);font-weight:600}.batch-tools{display:flex;gap:8px;margin-bottom:10px}.batch-tools .btn-sm{flex:1 1 0}.batch-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}.batch-row{display:flex;align-items:center;gap:10px;padding:6px 0;border-bottom:1px dashed var(--line);min-height:48px}.batch-row:last-child{border-bottom:0}.batch-main{flex:1 1 auto;min-width:0;display:flex;align-items:center;gap:10px;cursor:pointer}.batch-check{flex:0 0 auto;width:20px;height:20px;accent-color:var(--primary)}.batch-name{min-width:0;font-size:14px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.batch-no{display:inline-block;margin-left:6px;font-size:11px;color:var(--muted)}.batch-empty{padding:12px 0;font-size:13px;color:var(--muted)}.att-chip{flex:0 0 auto;min-width:56px;min-height:44px;padding:0 10px;border-radius:999px;border:1px solid transparent;font-size:12px;font-weight:600;white-space:nowrap}.att-ok{background:var(--ok-soft);color:var(--ok);border-color:#06764733}.att-warn{background:var(--warn-soft);color:var(--warn);border-color:#b5470833}.att-bad{background:var(--danger-soft);color:var(--danger);border-color:#b4231833}.att-muted{background:#f1f5f9;color:var(--muted);border-color:var(--line);display:inline-flex;align-items:center;justify-content:center}.rank-list,.type-list,.legend{list-style:none;margin:0;padding:0}.rank-row{display:grid;grid-template-columns:18px minmax(64px,110px) 1fr 34px;align-items:center;gap:8px;padding:6px 0}.rank-index{font-size:11px;color:var(--muted);text-align:right}.rank-name{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rank-no{display:block;font-size:10px;color:var(--muted)}.rank-bar{height:10px;border-radius:999px;background:#eef2f1;overflow:hidden;display:block}.rank-bar-fill{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#14b8a6,var(--primary))}.rank-count{font-size:12px;font-weight:600;color:var(--primary);text-align:right}.rank-empty{font-size:13px;color:var(--muted);padding:6px 0}.stack-bar{display:flex;height:16px;border-radius:999px;overflow:hidden;background:#eef2f1}.stack-seg{display:block;height:100%}.stack-ok,.legend-ok{background:#12b76a}.stack-warn,.legend-warn{background:#f79009}.stack-bad,.legend-bad{background:#f04438}.stack-empty{display:block;height:100%;width:100%;background:#eef2f1}.legend{margin-top:12px;display:flex;flex-direction:column;gap:6px}.legend-row{display:flex;align-items:center;gap:8px;font-size:13px}.legend-dot{width:9px;height:9px;border-radius:50%;flex:0 0 auto}.legend-name{flex:1 1 auto;color:var(--text-2)}.legend-value{font-size:12px;color:var(--muted)}.bar-chart{display:flex;align-items:flex-end;gap:8px;height:140px;padding-top:6px}.bar-col{flex:1 1 0;display:flex;flex-direction:column;align-items:center;height:100%;gap:4px;min-width:0}.bar-value{font-size:10px;color:var(--muted);line-height:1}.bar-track{position:relative;flex:1 1 auto;width:100%;max-width:26px;border-radius:6px;background:#eef2f1;display:flex;align-items:flex-end;overflow:hidden}.bar-fill{display:block;width:100%;border-radius:6px 6px 0 0;background:linear-gradient(180deg,#2dd4bf,var(--primary));transition:height .3s ease}.bar-label{font-size:9px;color:var(--muted);white-space:nowrap;line-height:1.2}.type-row{display:flex;align-items:baseline;justify-content:space-between;padding:6px 0;border-bottom:1px dashed var(--line);font-size:13px}.type-row:last-child{border-bottom:0}.type-name{color:var(--text-2)}.type-value{font-weight:600;color:var(--primary)}.profile-card{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 16px;box-shadow:var(--shadow);margin-bottom:14px}.profile-avatar{width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--primary),#14b8a6);color:#fff;font-size:20px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:0 0 auto}.profile-info{min-width:0}.profile-name{margin:0;font-size:17px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-email{margin:2px 0 0;font-size:13px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-username{margin:2px 0 0;font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tips{margin:0;padding-left:20px;color:var(--text-2);font-size:14px;line-height:1.75}.tips li{margin-bottom:6px}.tips li:last-child{margin-bottom:0}@media(min-width:900px){body{background:#eff3f2}.app{padding-bottom:24px}.app-header{max-width:880px;margin:0 auto;padding:calc(14px + var(--safe-top)) 8px 14px;background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;border-bottom:1px solid transparent}.app-title{font-size:20px}.tabbar{position:static;height:auto;max-width:864px;margin:0 auto 4px;padding:6px;gap:6px;border:1px solid var(--line);border-radius:999px;background:#fff;box-shadow:var(--shadow)}.tab-item{flex-direction:row;gap:8px;border-radius:999px;padding:8px 16px;min-height:44px}.tab-text{font-size:13px}.tab-item.is-active{background:var(--primary-tint)}.view{padding:20px 8px 32px}.overview{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.overview-4{grid-template-columns:repeat(4,minmax(0,1fr))}.student-card{grid-template-columns:1fr auto auto;grid-template-areas:"main metrics latest";align-items:center;padding:16px 18px}.student-metrics{flex-direction:row;align-items:center;gap:8px}.student-latest{text-align:right;white-space:nowrap}.fab{right:max(24px,calc(50% - 452px));bottom:32px;height:54px}.confirm-host{align-items:center}.confirm-panel{border-radius:var(--radius-lg);padding:24px;max-width:400px}.toast-host{bottom:32px}.link-danger,.link-edit{min-height:32px;min-width:0;padding:2px 4px}.record-form .form-actions{position:static;background:transparent;padding:8px 0 0}.timeline{padding-left:26px}.record-card:before{left:-26px}.detail-head{padding:20px}}@media(min-width:900px)and (prefers-reduced-motion:reduce){.toast,.confirm-panel,.bar-fill{animation:none;transition:none}}.stu-list{list-style:none;margin:0;padding:0}.stu-row{display:flex;flex-direction:column;justify-content:center;gap:4px;min-height:54px;padding:9px 0;border-bottom:1px solid var(--line);cursor:pointer}.stu-row:last-child{border-bottom:none}.stu-row:active{background:var(--primary-tint)}.stu-line{display:flex;align-items:center;gap:8px;min-width:0}.stu-name{font-size:14px;font-weight:600;color:var(--text);flex:0 0 auto}.stu-no{flex:1 1 auto;min-width:0;font-size:11px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stu-badge{flex:0 0 auto;padding:4px 8px;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);font-size:11px;line-height:1}.stu-badge-empty{background:#eef2f1;color:var(--muted)}.stu-metrics{display:block;font-size:12px;line-height:1.5;color:var(--text-2)}.form-head{display:flex;align-items:center;gap:10px;margin:0 0 10px}.form-head-note{font-size:12px;color:var(--muted)}.color-dot{display:inline-block;width:10px;height:10px;margin-right:6px;border-radius:50%;vertical-align:middle;box-shadow:inset 0 0 0 1px #0000001a}.color-block{margin:10px 0 0}.color-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}.color-chip{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--text-2);font-size:12px;font-family:inherit;cursor:pointer}.color-chip .color-dot{width:12px;height:12px;margin-right:0}.color-chip.is-active{border-color:var(--primary);background:var(--primary-tint);color:var(--primary-dark);font-weight:600}.color-chip-none{color:var(--muted)}