:root{color:#172033;background:#f5f6f1;font-family:Noto Sans SC,Microsoft YaHei,PingFang SC,system-ui,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--bg: #f5f6f1;--surface: #ffffff;--surface-soft: #eef2ed;--ink: #172033;--muted: #687387;--border: #dfe4dc;--primary: #0f766e;--primary-dark: #0b5e58;--primary-soft: #dff4f0;--coral: #c2410c;--coral-soft: #fff0e8;--amber: #a16207;--amber-soft: #fff5d6;--blue: #2563eb;--blue-soft: #eaf1ff;--danger: #b42318;--danger-soft: #fff0ee;--shadow-sm: 0 1px 2px rgb(23 32 51 / 6%);--shadow-md: 0 10px 30px rgb(23 32 51 / 9%)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(circle at 12% 0%,rgb(15 118 110 / 8%),transparent 26rem),linear-gradient(180deg,#fafbf8 0%,var(--bg) 22rem)}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}h1,h2,h3,p{margin-top:0}h1{margin-bottom:10px;font-size:clamp(1.55rem,4vw,2.25rem);line-height:1.2}h2{margin-bottom:8px;font-size:1.12rem;line-height:1.35}h3{margin-bottom:8px}.app-shell{min-height:100vh}.topbar{position:sticky;z-index:30;top:0;border-bottom:1px solid rgb(223 228 220 / 86%);background:#fafbf8eb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.topbar-inner{display:flex;width:min(1180px,calc(100% - 32px));min-height:68px;margin:0 auto;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;min-width:0;align-items:center;gap:10px}.brand-mark{display:grid;width:38px;height:38px;flex:0 0 auto;place-items:center;border-radius:8px;color:#fff;background:var(--primary);box-shadow:var(--shadow-sm)}.brand-copy{display:grid;min-width:0}.brand-copy strong{font-size:1rem;white-space:nowrap}.brand-copy small{overflow:hidden;color:var(--muted);font-size:.73rem;text-overflow:ellipsis;white-space:nowrap}.profile-switcher{position:relative;display:flex;min-width:168px;height:40px;align-items:center;gap:7px;padding:0 11px;border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow-sm)}.profile-switcher svg{flex:0 0 auto;color:var(--primary)}.profile-switcher select{width:100%;min-width:0;border:0;outline:0;color:var(--ink);background:transparent;-webkit-appearance:none;-moz-appearance:none;appearance:none;font-weight:700}.profile-switcher svg:last-child{color:var(--muted);pointer-events:none}.desktop-nav{display:flex;width:min(1180px,calc(100% - 32px));margin:0 auto;gap:4px;padding:0 0 10px}.desktop-nav-link{display:inline-flex;min-height:38px;align-items:center;gap:8px;padding:8px 14px;border-radius:8px;color:var(--muted);font-size:.9rem;font-weight:700}.desktop-nav-link:hover{color:var(--ink);background:#ffffffb3}.desktop-nav-link.active{color:var(--primary-dark);background:var(--primary-soft)}.page-container{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:28px 0 52px}.page-stack{display:grid;gap:26px}.page-header,.detail-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.page-header p,.welcome-band p,.detail-title p{max-width:720px;margin-bottom:0;color:var(--muted);line-height:1.7}.eyebrow{display:block;margin-bottom:6px;color:var(--primary-dark);font-size:.76rem;font-weight:800;text-transform:uppercase}.muted{margin:0;color:var(--muted);line-height:1.7}.loading-state{display:grid;min-height:50vh;place-items:center;color:var(--muted)}.welcome-band{position:relative;display:flex;overflow:hidden;min-height:210px;align-items:center;justify-content:space-between;gap:30px;padding:32px;border:1px solid #cfe5df;border-radius:8px;background:linear-gradient(115deg,#dff4f0f5,#ffffffe0),var(--surface)}.welcome-band:after{position:absolute;right:-65px;bottom:-95px;width:250px;height:250px;border:36px solid rgb(15 118 110 / 8%);border-radius:50%;content:"";pointer-events:none}.welcome-band>*{position:relative;z-index:1}.welcome-band h1{max-width:640px}.welcome-actions,.form-actions,.inline-actions{display:flex;flex-wrap:wrap;gap:10px}.button{display:inline-flex;min-height:42px;align-items:center;justify-content:center;gap:8px;padding:9px 15px;border:1px solid transparent;border-radius:8px;font-weight:800;cursor:pointer;transition:background .16s ease,border-color .16s ease,color .16s ease,transform .16s ease}.button:hover:not(:disabled){transform:translateY(-1px)}.button:disabled{cursor:not-allowed;opacity:.5}.button.primary{color:#fff;background:var(--primary);box-shadow:0 5px 14px #0f766e30}.button.primary:hover:not(:disabled){background:var(--primary-dark)}.button.secondary{border-color:var(--border);color:var(--ink);background:var(--surface);box-shadow:var(--shadow-sm)}.button.secondary:hover:not(:disabled){border-color:#b9c6bd;background:#fbfcfa}.button.ghost{color:var(--muted);background:transparent}.button.danger{color:#fff;background:var(--danger)}.button.large{min-height:48px;padding:11px 18px}.icon-button{display:inline-grid;width:40px;height:40px;flex:0 0 auto;place-items:center;border:1px solid var(--border);border-radius:8px;color:var(--ink);background:var(--surface);cursor:pointer}.icon-button:hover{background:var(--surface-soft)}.icon-button.danger{color:var(--danger)}.metric-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.metric{display:flex;min-height:104px;align-items:center;gap:14px;padding:18px;border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow-sm)}.metric-icon,.list-leading,.report-icon{display:grid;flex:0 0 auto;place-items:center;border-radius:8px}.metric-icon{width:44px;height:44px}.metric-icon.teal,.list-leading.teal,.report-icon.teal{color:var(--primary-dark);background:var(--primary-soft)}.metric-icon.coral,.list-leading.coral,.report-icon.coral{color:var(--coral);background:var(--coral-soft)}.metric-icon.blue{color:var(--blue);background:var(--blue-soft)}.metric div{display:grid;gap:2px}.metric strong{font-size:1.55rem}.metric span:last-child{color:var(--muted);font-size:.84rem}.section-block,.settings-section,.form-section,.ai-config,.ai-result{display:grid;gap:18px}.section-block{padding:22px;border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow-sm)}.section-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.section-heading h2,.section-heading p{margin-bottom:0}.section-heading.compact{align-items:center}.text-link{display:inline-flex;align-items:center;gap:5px;color:var(--primary-dark);font-size:.88rem;font-weight:800}.subject-progress-list{display:grid}.subject-progress{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;padding:15px 0;border-top:1px solid var(--border)}.subject-progress:first-child{border-top:0}.subject-dot{width:10px;height:38px;border-radius:8px}.subject-progress-main{display:grid;min-width:0;gap:8px}.subject-progress-main>div:first-child{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.subject-progress-main span,.subject-progress-main small{color:var(--muted);font-size:.82rem}.progress-track{overflow:hidden;width:100%;height:7px;border-radius:8px;background:#edf0eb}.progress-track>span{display:block;height:100%;border-radius:inherit;background:var(--primary);transition:width .3s ease}.progress-number{color:var(--primary-dark)}.two-column-layout{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.compact-list{display:grid}.compact-list-item{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:13px 0;border-top:1px solid var(--border)}.compact-list-item:first-child{border-top:0}.compact-list-item:hover strong{color:var(--primary-dark)}.list-leading{width:38px;height:38px}.compact-list-item>span:nth-child(2){display:grid;min-width:0;gap:3px}.compact-list-item strong,.compact-list-item small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.compact-list-item small{color:var(--muted)}.inline-empty{display:flex;min-height:90px;align-items:center;justify-content:center;gap:9px;color:var(--muted);text-align:center}.review-cta{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;padding:18px 22px;border-radius:8px;color:#fff;background:#173f3b;box-shadow:var(--shadow-md)}.review-cta span{display:inline-flex;align-items:center;gap:7px;color:#bfe5de}.review-cta strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.entry-grid{display:grid;grid-template-columns:minmax(320px,.86fr) minmax(440px,1.14fr);align-items:start;gap:22px}.form-section,.settings-section,.ai-config,.ai-result{padding:22px;border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow-sm)}.image-section{position:sticky;top:128px}.camera-dropzone{display:grid;min-height:310px;place-items:center;align-content:center;gap:10px;padding:28px;border:2px dashed #b6c7be;border-radius:8px;color:var(--ink);background:#f8faf7;cursor:pointer}.ocr-mode-bar{display:grid;gap:7px}.ocr-mode-bar>span{color:#394458;font-size:.85rem;font-weight:800}.camera-dropzone:hover{border-color:var(--primary);background:var(--primary-soft)}.camera-dropzone strong{font-size:1.05rem}.camera-dropzone small{max-width:320px;color:var(--muted);line-height:1.6;text-align:center}.camera-icon{display:grid;width:66px;height:66px;place-items:center;border-radius:50%;color:#fff;background:var(--primary);box-shadow:0 8px 20px #0f766e33}.image-preview-wrap{position:relative;display:grid;gap:12px}.image-preview{width:100%;max-height:520px;object-fit:contain;border:1px solid var(--border);border-radius:8px;background:#f4f5f2}.image-remove{position:absolute;top:10px;right:10px;color:var(--danger);background:#fffffff0}.image-actions{display:flex;justify-content:flex-end}.ocr-progress{display:grid;gap:8px;padding:12px;border-radius:8px;background:var(--surface-soft)}.ocr-progress>div:first-child{display:flex;align-items:center;gap:8px;color:var(--primary-dark);font-size:.86rem}.ocr-progress>div:first-child strong{margin-left:auto}.ocr-note,.security-callout{display:flex;align-items:flex-start;gap:10px;padding:13px;border:1px solid #f0d8a8;border-radius:8px;color:#6c4a05;background:var(--amber-soft);font-size:.85rem;line-height:1.6}.ocr-note svg,.security-callout svg{flex:0 0 auto;margin-top:2px}.form-grid{display:grid;gap:14px}.form-grid.two,.ai-config-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.field{display:grid;gap:7px}.field>span{color:#394458;font-size:.85rem;font-weight:800}.field input,.field textarea,.field select,.inline-form>input,.search-field input,.select-field select{width:100%;border:1px solid #cfd6ce;outline:0;color:var(--ink);background:#fff;transition:border-color .16s ease,box-shadow .16s ease}.field input,.field select,.inline-form>input,.select-field select{min-height:44px;padding:9px 11px;border-radius:8px}.field textarea{padding:11px;border-radius:8px;line-height:1.65;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus,.inline-form>input:focus,.search-field:focus-within,.select-field:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #0f766e1f}.field input[readonly]{color:var(--muted);background:var(--surface-soft)}.form-actions{justify-content:flex-end;padding-top:6px}.filter-bar{display:grid;grid-template-columns:1fr minmax(180px,240px);gap:12px}.search-field,.select-field{display:flex;min-height:46px;align-items:center;gap:9px;padding:0 12px;border:1px solid #cfd6ce;border-radius:8px;color:var(--muted);background:var(--surface)}.search-field input,.select-field select{height:44px;padding:0;border:0;outline:0;background:transparent}.select-field select{-webkit-appearance:none;-moz-appearance:none;appearance:none}.segmented-control{display:inline-flex;width:fit-content;max-width:100%;gap:4px;overflow-x:auto;padding:4px;border:1px solid var(--border);border-radius:8px;background:#e9ede7;scrollbar-width:none}.segmented-control::-webkit-scrollbar{display:none}.segmented-control button{min-height:36px;padding:7px 13px;border:0;border-radius:6px;color:var(--muted);background:transparent;font-weight:800;white-space:nowrap;cursor:pointer}.segmented-control button.active{color:var(--primary-dark);background:var(--surface);box-shadow:var(--shadow-sm)}.segmented-control.compact{width:100%;justify-content:space-between}.segmented-control.compact button{flex:1;padding-inline:8px}.mistake-list{display:grid;gap:10px}.mistake-row{display:grid;grid-template-columns:76px minmax(0,1fr) auto;align-items:center;gap:16px;padding:14px;border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow-sm);transition:border-color .16s ease,transform .16s ease,box-shadow .16s ease}.mistake-row:hover{border-color:#b9cbc1;box-shadow:var(--shadow-md);transform:translateY(-1px)}.mistake-row>img,.mistake-placeholder{width:76px;height:72px;border-radius:8px}.mistake-row>img{object-fit:cover;background:var(--surface-soft)}.mistake-placeholder{display:grid;place-items:center;color:var(--primary-dark);background:var(--primary-soft)}.mistake-row-main{display:grid;min-width:0;gap:5px}.mistake-row-topline,.mistake-row-bottom{display:flex;align-items:center;gap:8px}.mistake-row-topline{justify-content:space-between}.mistake-row-topline small{color:var(--muted)}.mistake-row-main>small{color:var(--muted);line-height:1.55}.mistake-row-bottom{margin-top:3px}.subject-pill,.status-badge,.tag{display:inline-flex;width:fit-content;align-items:center;gap:4px;border:1px solid var(--border);border-radius:8px;font-size:.75rem;font-weight:800;line-height:1;white-space:nowrap}.subject-pill{padding:5px 7px;background:#fff}.status-badge{padding:5px 7px;color:var(--muted);background:var(--surface-soft)}.status-badge.success{border-color:#b7dfd5;color:var(--primary-dark);background:var(--primary-soft)}.status-badge.warning{border-color:#ecd391;color:#7a4e00;background:var(--amber-soft)}.status-badge.neutral{border-color:#cfd8ea;color:#36527f;background:var(--blue-soft)}.tag-row,.subject-chip-list{display:flex;flex-wrap:wrap;gap:8px}.tag{padding:6px 8px;color:#465267;background:#f8f9f7}.tag.teal{border-color:#b7dfd5;color:var(--primary-dark);background:var(--primary-soft)}.knowledge-preview{overflow:hidden;color:var(--muted);font-size:.77rem;text-overflow:ellipsis;white-space:nowrap}.line-clamp-2{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2}.empty-state{display:grid;max-width:620px;justify-items:center;gap:10px;margin:60px auto;text-align:center}.empty-state p{max-width:480px;margin-bottom:8px;color:var(--muted);line-height:1.7}.empty-icon{display:grid;width:58px;height:58px;place-items:center;border-radius:50%;color:var(--primary-dark);background:var(--primary-soft)}.detail-header{align-items:center}.back-link{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-weight:800}.back-link:hover{color:var(--primary-dark)}.detail-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.detail-title{padding-bottom:20px;border-bottom:1px solid var(--border)}.detail-meta{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-bottom:12px;color:var(--muted);font-size:.82rem}.detail-title h1{margin-bottom:14px}.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(290px,360px);align-items:start;gap:28px}.detail-content{display:grid;gap:28px}.content-section{padding-bottom:26px;border-bottom:1px solid var(--border)}.content-section h2{padding-bottom:10px}.detail-aside{position:sticky;top:136px;display:grid;gap:14px}.original-image,.review-panel,.meta-panel{border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow-sm)}.original-image{overflow:hidden}.original-image img{width:100%;max-height:420px;object-fit:contain;background:#f3f4f1}.review-panel,.meta-panel{display:grid;gap:11px;padding:18px}.review-panel h2{margin-bottom:0}.review-panel p{margin-bottom:3px;color:var(--muted);font-size:.88rem;line-height:1.65}.meta-panel dl{display:grid;gap:12px;margin:0}.meta-panel dl>div{display:grid;gap:3px}.meta-panel dt{color:var(--muted);font-size:.78rem}.meta-panel dd{margin:0;font-weight:700}.markdown-report{min-width:0;color:#243147;font-size:1rem;line-height:1.85;overflow-wrap:anywhere}.markdown-report>:first-child{margin-top:0}.markdown-report>:last-child{margin-bottom:0}.markdown-report h1,.markdown-report h2,.markdown-report h3{color:var(--ink);line-height:1.4}.markdown-report h1{font-size:1.6rem}.markdown-report h2{margin-top:1.7em;padding-bottom:7px;border-bottom:1px solid var(--border);font-size:1.24rem}.markdown-report h3{margin-top:1.35em;font-size:1.06rem}.markdown-report p,.markdown-report ul,.markdown-report ol,.markdown-report blockquote{margin:0 0 1em}.markdown-report li+li{margin-top:.35em}.markdown-report code{padding:2px 5px;border-radius:5px;color:#8a3318;background:var(--coral-soft)}.markdown-report pre{overflow-x:auto;padding:14px;border-radius:8px;color:#e9f1ef;background:#183431}.markdown-report pre code{padding:0;color:inherit;background:transparent}.markdown-report blockquote{padding:8px 14px;border-left:4px solid var(--primary);color:#42525c;background:var(--primary-soft)}.markdown-report table{width:100%;margin-bottom:1em;border-collapse:collapse}.markdown-report th,.markdown-report td{padding:8px;border:1px solid var(--border);text-align:left}.markdown-report th{background:var(--surface-soft)}.ai-config{background:linear-gradient(135deg,#f7fbf9,#fff 54%),var(--surface)}.ai-config-grid{display:grid;gap:14px}.ai-selection-summary{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:13px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.ai-selection-summary span,.ai-selection-summary strong{display:inline-flex;align-items:center;gap:7px}.ai-selection-summary span{color:var(--muted)}.ai-selection-summary strong{margin-left:auto;color:var(--primary-dark)}.ai-actions{display:flex;flex-wrap:wrap;gap:10px}.report-list{display:grid}.report-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:13px 0;border-top:1px solid var(--border)}.report-row:first-child{border-top:0}.report-icon{width:40px;height:40px}.report-row>div:nth-child(2){display:grid;min-width:0;gap:4px}.report-row small{color:var(--muted)}.settings-section{gap:16px}.section-description{margin:-5px 0 0;color:var(--muted);line-height:1.7}.settings-list{display:grid}.settings-row{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:12px;padding:13px 12px;border-top:1px solid var(--border)}.settings-row:first-child{border-top:0}.settings-row.active{border-radius:8px;background:#f4faf8}.settings-row>div{display:grid;gap:3px}.settings-row small{color:var(--muted)}.profile-avatar{display:grid;width:42px;height:42px;place-items:center;border-radius:50%;color:#fff;background:var(--primary);font-weight:900}.inline-form{display:grid;grid-template-columns:minmax(140px,1fr) minmax(160px,1fr) auto;align-items:center;gap:10px}.color-picker{display:flex;min-height:44px;align-items:center;gap:9px;padding:5px 10px;border:1px solid #cfd6ce;border-radius:8px;color:var(--muted);font-size:.85rem}.color-picker input{width:30px;height:30px;padding:0;border:0;background:transparent}.subject-chip{display:inline-flex;min-height:38px;align-items:center;gap:8px;padding:6px 8px 6px 10px;border:1px solid var(--border);border-radius:8px;background:#fbfcfa}.subject-chip>span{width:9px;height:9px;border-radius:50%}.subject-chip button{display:grid;width:26px;height:26px;place-items:center;border:0;border-radius:6px;color:var(--danger);background:transparent;cursor:pointer}.subject-chip button:hover{background:var(--danger-soft)}.connection-status{margin:0;padding:10px 12px;border:1px solid #cfd8ea;border-radius:8px;color:#36527f;background:var(--blue-soft);font-size:.88rem}.security-callout{border-color:#f0c8c3;color:#7a251d;background:var(--danger-soft)}.resource-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.resource-links a{display:flex;min-height:46px;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border:1px solid var(--border);border-radius:8px;color:var(--primary-dark);background:#fbfcfa;font-weight:800}.resource-links a:hover{border-color:#b7dfd5;background:var(--primary-soft)}.mobile-nav{display:none}.toast-viewport{position:fixed;z-index:80;right:18px;bottom:18px;display:grid;width:min(390px,calc(100vw - 36px));gap:9px}.toast{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;padding:12px 13px;border:1px solid var(--border);border-radius:8px;background:#fffffff7;box-shadow:var(--shadow-md);animation:toast-in .18s ease-out}.toast-success{border-color:#b7dfd5;color:var(--primary-dark)}.toast-error{border-color:#efb9b2;color:var(--danger)}.toast-info{border-color:#bfd0f1;color:#36527f}.toast button{display:grid;width:28px;height:28px;place-items:center;border:0;border-radius:6px;color:inherit;background:transparent;cursor:pointer}.modal-backdrop{position:fixed;z-index:90;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:20px;background:#111c267a;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.confirm-dialog{position:relative;display:grid;width:min(440px,100%);justify-items:center;gap:10px;padding:26px;border-radius:8px;background:#fff;box-shadow:0 24px 70px #0c192340;text-align:center}.confirm-dialog p{margin-bottom:10px;color:var(--muted);line-height:1.7}.dialog-close{position:absolute;top:10px;right:10px;width:34px;height:34px}.dialog-icon{display:grid;width:50px;height:50px;place-items:center;border-radius:50%;color:var(--amber);background:var(--amber-soft)}.dialog-icon.danger{color:var(--danger);background:var(--danger-soft)}.dialog-actions{display:flex;justify-content:center;gap:9px}.visually-hidden{position:absolute!important;overflow:hidden;width:1px;height:1px;padding:0;border:0;margin:-1px;clip:rect(0 0 0 0);white-space:nowrap}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}}@media(max-width:900px){.entry-grid,.detail-layout{grid-template-columns:1fr}.image-section,.detail-aside{position:static}.detail-aside{grid-row:1}.detail-aside{grid-template-columns:repeat(2,minmax(0,1fr))}.original-image{grid-column:1 / -1}.welcome-band{align-items:flex-start}}@media(max-width:680px){body{background:#f5f6f1}.topbar{position:sticky}.topbar-inner{width:calc(100% - 24px);min-height:60px}.brand-copy small{display:none}.brand-mark{width:34px;height:34px}.profile-switcher{min-width:0;width:min(54vw,210px);height:38px}.desktop-nav{display:none}.page-container{width:calc(100% - 24px);padding:18px 0 calc(90px + env(safe-area-inset-bottom))}.page-stack{gap:17px}.page-header,.detail-header,.section-heading{flex-direction:column}.page-header{gap:12px}.page-header>.button,.page-header>.inline-actions{width:100%}.page-header>.button{justify-content:center}.welcome-band{min-height:0;flex-direction:column;gap:20px;padding:22px 18px}.welcome-band h1{font-size:1.5rem}.welcome-actions{width:100%}.welcome-actions .button{flex:1;padding-inline:10px}.metric-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.metric{min-height:112px;flex-direction:column;align-items:flex-start;justify-content:center;gap:8px;padding:12px 10px}.metric-icon{width:35px;height:35px}.metric strong{font-size:1.25rem}.metric span:last-child{font-size:.72rem}.section-block,.settings-section,.form-section,.ai-config,.ai-result{padding:16px}.two-column-layout{grid-template-columns:1fr}.subject-progress-main>div:first-child{display:grid}.subject-progress-main small{display:none}.review-cta{grid-template-columns:1fr auto;gap:7px 12px;padding:15px 16px}.review-cta span{grid-column:1 / -1}.form-grid.two,.ai-config-grid,.filter-bar{grid-template-columns:1fr}.camera-dropzone{min-height:240px}.form-actions .button{flex:1;padding-inline:10px}.segmented-control{width:100%}.segmented-control button{flex:1;padding-inline:9px}.mistake-row{grid-template-columns:58px minmax(0,1fr) auto;gap:10px;padding:10px}.mistake-row>img,.mistake-placeholder{width:58px;height:64px}.mistake-row-bottom{flex-wrap:wrap}.knowledge-preview{width:100%}.detail-header{align-items:stretch}.detail-actions{justify-content:stretch}.detail-actions .button{flex:1}.detail-aside{grid-template-columns:1fr}.content-section{padding-bottom:20px}.ai-actions .button{width:100%}.ai-selection-summary strong{width:100%;margin-left:0}.report-row{grid-template-columns:auto minmax(0,1fr)}.report-row>.inline-actions{grid-column:1 / -1;justify-content:flex-end}.settings-row{grid-template-columns:auto minmax(0,1fr) auto}.settings-row .status-badge{grid-column:2}.inline-form,.resource-links{grid-template-columns:1fr}.mobile-nav{position:fixed;z-index:40;right:0;bottom:0;left:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));padding:6px 6px calc(6px + env(safe-area-inset-bottom));border-top:1px solid var(--border);background:#fffffff5;box-shadow:0 -8px 24px #17203314;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.mobile-nav-link{display:grid;min-height:53px;place-items:center;align-content:center;gap:3px;border-radius:8px;color:#7a8493;font-size:.69rem;font-weight:800}.mobile-nav-link.active{color:var(--primary-dark);background:var(--primary-soft)}.toast-viewport{right:12px;bottom:calc(76px + env(safe-area-inset-bottom));width:calc(100vw - 24px)}}@media(max-width:390px){.brand-copy strong{font-size:.9rem}.profile-switcher{width:48vw}.metric{min-height:104px}.metric span:last-child{max-width:68px}.welcome-actions{display:grid}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}