:root{--bg:#f5f8fc;--paper:#fff;--blue:#376b9e;--blue-deep:#214b73;--blue-soft:#eaf2fb;--text:#27384a;--muted:#8291a3;--border:#e4eaf2;--shadow:0 12px 42px rgba(40,82,120,.07);--radius:18px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-synthesis:none;color:var(--text)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}a{color:var(--blue)}.loading{padding:25vh 24px;text-align:center;color:var(--muted)}.layout{display:flex;min-height:100vh}.sidebar{width:234px;position:fixed;top:0;left:0;bottom:0;background:#fff;border-right:1px solid var(--border);padding:30px 18px;display:flex;flex-direction:column;z-index:5}.logo{display:flex;align-items:center;gap:11px;padding:0 9px 36px}.logo-mark{height:42px;width:42px;border-radius:13px;background:linear-gradient(140deg,#4f8cbf,#2c5b8b);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 7px 18px #27609c28}.brand{font-size:22px;font-weight:800;letter-spacing:2px}.brand-small{font-size:10px;letter-spacing:1px;color:var(--muted);margin-top:3px}.side-heading{font-size:11px;color:#a0acb8;letter-spacing:2px;padding:10px 17px;margin:4px 0}.nav{display:flex;align-items:center;gap:12px;border:0;background:transparent;color:#6e7f91;padding:13px 15px;border-radius:12px;width:100%;text-align:left;font-size:14px;margin:4px 0}.nav:hover{background:#f4f8fc}.nav.active{background:#eaf3fb;color:var(--blue);font-weight:700}.nav svg,.btn svg,.icon svg{width:19px;height:19px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}.nav svg{width:19px;height:19px}.sidebar-note{margin-top:auto;background:linear-gradient(135deg,#edf6fc,#f4f8fe);padding:19px 16px;border-radius:15px}.sidebar-note strong{font-size:13px;color:#4d7599}.sidebar-note p{font-size:12px;line-height:1.9;color:#8aa0b4;margin:7px 0 0}.main{margin-left:234px;min-width:0;flex:1;padding:27px clamp(18px,3.5vw,58px) 70px;max-width:1800px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:28px}.eyebrow{font-size:12px;color:#8499ac;letter-spacing:2px;margin-bottom:5px}.page-heading{font-size:25px;font-weight:760;letter-spacing:1px;margin:0}.top-actions{display:flex;align-items:center;gap:11px}.pill{font-size:12px;color:#6a8195;background:#fff;border:1px solid var(--border);padding:11px 15px;border-radius:100px}.btn{border:1px solid var(--border);background:#fff;color:#4d6177;display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:11px;font-size:13px;padding:11px 15px;font-weight:600;transition:transform .1s,background .2s;white-space:nowrap}.btn:hover{background:#f3f8fc}.btn:active{transform:scale(.985)}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn.primary:hover{background:#2b5987}.btn.ghost{background:transparent}.btn.danger{color:#b45353}.btn.small{font-size:12px;padding:8px 12px}.btn.light{background:#eef5fb;color:#356a9d;border-color:transparent}.section-title{font-size:18px;font-weight:750;margin:0}.section-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:30px 0 16px}.subtle{font-size:12px;color:var(--muted);line-height:1.7}.hero{display:grid;grid-template-columns:minmax(0,1fr) 240px;min-height:215px;background:linear-gradient(115deg,#31699d,#6599c4);border-radius:20px;overflow:hidden;color:white;position:relative;box-shadow:0 14px 32px rgba(44,105,166,.15)}.hero-content{padding:34px 39px;z-index:1}.hero small{color:#d4e5f2;letter-spacing:2px;font-size:12px}.hero h2{font-size:29px;margin:17px 0 8px;line-height:1.4;font-weight:700;letter-spacing:2px}.hero p{font-size:13px;line-height:1.9;color:#e4eef7;margin:0}.hero .btn{margin-top:19px;background:white;color:var(--blue);border:0}.hero-art{position:relative;display:flex;align-items:center;justify-content:center;font-size:92px;transform:rotate(-14deg);opacity:.8}.hero-art:before{content:'';position:absolute;width:290px;height:290px;border:1px solid #ffffff22;border-radius:50%}.hero-art:after{content:'';position:absolute;width:210px;height:210px;border:1px solid #ffffff30;border-radius:50%}.hero-art svg{width:145px;height:145px;stroke:white;fill:none;stroke-width:1.2;filter:drop-shadow(10px 14px 6px #234f7a33)}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:22px}.stat{background:white;padding:23px;border-radius:16px;box-shadow:var(--shadow);min-height:118px}.stat .k{font-size:12px;color:var(--muted)}.stat .v{font-size:29px;font-weight:780;margin-top:12px;letter-spacing:.5px}.stat .foot{font-size:11px;color:#9aabbb;margin-left:8px}.stat .badge-icon{float:right;color:#7297b8;background:#f0f6fc;padding:8px;border-radius:9px}.stat svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8}.two-col{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.9fr);gap:20px;align-items:start}.panel{background:white;border:1px solid #edf1f5;border-radius:18px;box-shadow:var(--shadow);padding:22px}.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px}.panel-head h3{font-size:16px;margin:0}.quote-card{padding:20px 19px;border:1px solid var(--border);background:#fff;border-radius:14px;position:relative;margin-bottom:12px}.quote-card:last-child{margin-bottom:0}.quote-card::before{content:'“';position:absolute;right:15px;top:2px;font:58px Georgia,serif;color:#e3edf6}.quote-text{font-size:15px;line-height:2;color:#314557;white-space:pre-wrap;overflow-wrap:anywhere;position:relative;margin-right:25px}.quote-meta{font-size:11px;color:#8b9bab;margin-top:14px;display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}.quote-buttons{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px}.tag{display:inline-flex;font-size:11px;color:#5d84a6;background:#edf5fc;border-radius:999px;padding:5px 9px;margin:3px 4px 0 0}.tag.gray{color:#8b8b96;background:#f1f3f6}.tag.green{color:#3d866f;background:#eaf8f0}.empty{text-align:center;padding:37px 15px;color:#8d9dad}.empty .big{font-size:34px;color:#80a4c3;margin-bottom:10px}.empty strong{color:#657c92}.empty p{font-size:12px;line-height:1.9}.task{display:flex;align-items:center;gap:14px;padding:13px 2px;border-bottom:1px solid #eef2f6}.task:last-child{border-bottom:0}.task-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:#eef5fd;color:#4779a8}.task-icon svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.8}.task-name{flex:1;min-width:0}.task-name b{display:block;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.task-name span{font-size:11px;color:#9baab7}.row{display:flex;align-items:center;gap:12px}.spacer{flex:1}.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(225px,1fr));gap:16px}.book-card{display:flex;gap:15px;align-items:center;background:#fff;border:1px solid #eaf0f5;padding:20px;border-radius:16px;text-align:left;color:inherit;width:100%;transition:transform .15s,box-shadow .15s}.book-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.book-cover{width:67px;height:93px;flex-shrink:0;border-radius:5px 11px 11px 5px;background:linear-gradient(145deg,#6598bd,#2a557d);display:flex;align-items:center;justify-content:center;box-shadow:5px 6px 9px #4475a12a;color:#fff;position:relative}.book-cover:before{content:'';height:100%;left:6px;width:3px;background:#ffffff35;position:absolute}.book-cover span{font-size:13px;padding:5px 10px;text-align:center;line-height:1.7;font-weight:650;word-break:break-all}.book-card h3{font-size:15px;margin:0 0 9px}.book-card p{font-size:12px;color:#9aaab7;margin:7px 0}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 20px}.field,.textarea,.select{width:100%;border:1px solid #dfe8f1;border-radius:11px;background:#fff;color:#344f66;padding:12px 13px;font-size:14px;outline:0;transition:border-color .2s,box-shadow .2s}.field:focus,.textarea:focus,.select:focus{border-color:#7da6ca;box-shadow:0 0 0 3px #e3effa}.textarea{resize:vertical;min-height:90px;line-height:1.9}.label{display:block;font-size:13px;font-weight:650;color:#4b6277;margin-bottom:8px}.hint{font-size:12px;color:#8d9dac;line-height:1.8}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field-block{margin-bottom:20px}.form-card{max-width:950px;background:#fff;border-radius:20px;padding:30px 36px;border:1px solid #eaf0f5;box-shadow:var(--shadow)}.divider{height:1px;background:var(--border);margin:24px 0}.upload{border:1.5px dashed #a8c5dd;background:#f7fbff;display:flex;align-items:center;justify-content:center;gap:10px;padding:22px;border-radius:13px;color:#6b94b7;cursor:pointer;text-align:center;font-size:13px;min-height:90px}.upload:hover{background:#edf6ff}.preview-img{max-width:100%;max-height:240px;object-fit:contain;margin:10px auto;border-radius:8px;display:block}.tabs{display:flex;background:#edf3f9;gap:4px;padding:5px;border-radius:12px;width:max-content;max-width:100%;overflow:auto}.tab{border:0;background:transparent;color:#75899c;padding:9px 18px;border-radius:9px;font-size:13px;white-space:nowrap}.tab.active{color:#2d679a;background:#fff;box-shadow:0 1px 6px #345e8a16;font-weight:700}.study-wrap{display:grid;grid-template-columns:minmax(0,1fr) 295px;gap:20px}.study-card{background:#fff;border-radius:20px;padding:28px;border:1px solid #e8eef4;box-shadow:var(--shadow)}.study-quote{background:linear-gradient(125deg,#f3f8fd,#fafcff);padding:28px 24px;border-radius:16px;border-left:4px solid #7fa9cc;margin:20px 0;font:17px/2.1 Georgia,"Songti SC","SimSun",serif;white-space:pre-wrap;overflow-wrap:anywhere}.study-quote.hidden{color:#7c90a3;font:14px/2 sans-serif;text-align:center}.study-status{display:flex;justify-content:space-between;gap:10px;color:#92a2b0;font-size:12px}.study-step{border:1px solid #eaf0f5;border-radius:13px;padding:20px;margin:16px 0}.score-wrap{background:#f4f9fd;border-radius:14px;padding:18px;margin:12px 0}.progress-track{width:100%;height:9px;border-radius:999px;background:#e7eef6;overflow:hidden}.progress-value{height:100%;background:linear-gradient(90deg,#5c99c6,#86b5d6)}.week-chart{height:150px;display:flex;align-items:end;gap:13px;padding:10px 4px 0}.bar-col{display:flex;align-items:center;flex-direction:column;gap:8px;flex:1;font-size:11px;color:#91a4b6}.bar{width:100%;max-width:36px;background:linear-gradient(0deg,#5590bd,#a4c5dc);border-radius:7px 7px 2px 2px;min-height:5px}.modal-backdrop{position:fixed;inset:0;background:#1b344c75;display:flex;align-items:center;justify-content:center;z-index:50;padding:18px}.modal{background:#fff;border-radius:19px;width:100%;max-width:540px;padding:26px;box-shadow:0 15px 100px #1d314c33}.modal h3{margin:0 0 20px}.bottomnav{display:none}.mobile-top{display:none}#toast{position:fixed;right:24px;bottom:25px;z-index:100;pointer-events:none}.toast{padding:13px 20px;color:#fff;border-radius:11px;background:#295d89;box-shadow:0 9px 30px #1b41693f;font-size:13px;animation:slidein .25s}@keyframes slidein{from{transform:translateY(18px);opacity:0}to{transform:translateY(0);opacity:1}}.filter-select{max-width:240px}.recording{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.warning{background:#fff7ed;color:#946b33;border:1px solid #fae8ce;padding:12px 15px;border-radius:11px;font-size:12px;line-height:1.9}.subnote{margin-top:8px;color:#9cabba;font-size:11px}.text-button{border:0;background:none;padding:0;color:var(--blue);font-size:12px}.line{height:1px;background:#eff2f5;margin:15px 0}.muted-box{border-radius:12px;background:#f6f9fc;padding:14px;font-size:13px;color:#607b93;line-height:1.9}.quote-notes{background:#f8fafc;padding:13px 15px;border-radius:9px;color:#71889e;font-size:12px;line-height:1.8;margin-top:13px;white-space:pre-wrap}.hidden-text{filter:blur(6px);user-select:none}.check{display:flex;align-items:center;gap:10px;font-size:13px;color:#657f94}.check input{accent-color:#477fae;width:16px;height:16px}@media(max-width:1050px){.stats-grid{grid-template-columns:repeat(2,1fr)}.two-col{grid-template-columns:1fr}.study-wrap{grid-template-columns:1fr}.hero{grid-template-columns:minmax(0,1fr) 160px}.hero-art svg{width:110px}}@media(max-width:700px){.sidebar{display:none}.main{margin:0;padding:19px 16px 100px}.topbar{margin-bottom:19px}.page-heading{font-size:22px}.eyebrow{font-size:10px}.top-actions .pill{display:none}.top-actions .btn{padding:9px 11px;font-size:12px}.hero{grid-template-columns:1fr;min-height:195px}.hero-content{padding:27px 23px}.hero h2{font-size:22px;margin:12px 0}.hero-art{position:absolute;right:10px;bottom:-24px;opacity:.14}.stats-grid{gap:9px;margin-top:12px}.stat{padding:16px;min-height:95px}.stat .v{font-size:25px;margin-top:7px}.stat .foot{display:none}.stat .badge-icon{padding:5px}.section-head{margin:24px 0 13px}.section-title{font-size:16px}.panel{padding:16px}.books-grid{grid-template-columns:1fr 1fr;gap:10px}.book-card{padding:13px;gap:10px}.book-cover{width:52px;height:77px}.book-cover span{font-size:11px;padding:3px}.book-card h3{font-size:13px}.book-card p{font-size:10px}.form-card{padding:19px 17px}.form-grid{grid-template-columns:1fr;gap:0}.study-card{padding:18px}.study-quote{font-size:15px;padding:18px}.toolbar .field{max-width:100%!important}.toolbar{align-items:stretch}.filter-select{max-width:none}.bottomnav{display:flex;position:fixed;bottom:0;left:0;right:0;justify-content:space-around;align-items:center;background:#fff;border-top:1px solid #e6edf4;padding:8px 5px calc(9px + env(safe-area-inset-bottom));z-index:20;box-shadow:0 -5px 17px #1a4a8010}.bottomnav button{border:0;background:none;color:#8c9fb1;font-size:10px;display:flex;align-items:center;flex-direction:column;gap:3px;min-width:55px}.bottomnav button.active{color:#2f709e;font-weight:bold}.bottomnav svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.8}.top-actions{gap:7px}.modal{padding:22px}.quote-text{font-size:14px}.quote-card{padding:15px}.task-name b{font-size:12px}}

.logo-mark svg{height:26px;width:26px;stroke:#fff;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.empty .big svg{width:38px;height:38px;stroke:#8aafcf;fill:none;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}

/* V1.0.3 摘录优先录入与自动归类 */
.book-suggestions{margin-top:9px;padding:11px 13px;border-radius:11px;background:#f6f9fd;border:1px solid #e3edf7}
.book-suggestion-head{font-size:12px;line-height:1.7;color:#788da0;margin-bottom:5px}
.hint-ok{color:#28715c;font-weight:650}
.book-choices{display:flex;gap:7px;flex-wrap:wrap;margin-top:7px}
.book-choice{background:#fff;color:#467197;border:1px solid #d9e7f2;padding:6px 12px;border-radius:25px;font-size:12px;max-width:100%;overflow:hidden;text-overflow:ellipsis}
.book-choice:hover{background:#e8f4ff;border-color:#a3c4df}
.dedupe-banner{display:flex;gap:15px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:#edf5fc;border:1px solid #d9e8f3;padding:15px 19px;border-radius:14px;margin-bottom:20px;color:#375e81}
.dedupe-banner strong{font-size:13px}.dedupe-banner p{font-size:12px;line-height:1.6;margin:6px 0 0;color:#7796ac}
.unfiled-cover{background:linear-gradient(145deg,#adbcc9,#7d91a2)}
.unfiled-card{border-style:dashed;border-color:#b8c8d7}
@media(max-width:700px){.dedupe-banner{align-items:stretch}.dedupe-banner .btn{width:100%}}

/* V1.0.4 -- 后置书名弹窗 / 队列 / OCR 人工校对 / 删除保护 */
.modal-wide{width:min(590px,calc(100vw - 32px));max-width:590px}
.modal-ocr{width:min(900px,calc(100vw - 32px));max-width:900px;max-height:88vh;overflow-y:auto}
.modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:15px}
.modal-header h3{font-size:19px;margin:6px 0 6px;line-height:1.45}
.modal-header .hint{margin:0}
.modal-step{font-size:12px;color:#5b88ad;font-weight:650}
.modal-quote-snippet{border:1px solid #e5eef7;background:#f6faff;border-radius:11px;padding:15px 16px;color:#60798d;font-size:13px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere;margin:12px 0 20px}
.modal-actions{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:9px;margin-top:18px}
.queued-button{color:#587b60!important;background:#e9f5ec!important;border-color:#cfe7d2!important}
.queue-button{color:#2c6699;border-color:#b9d2e6;background:#f4f9ff}
.forgotten-button{margin-top:12px;border-color:#d6a7a7;color:#ac5656;background:#fff8f8;white-space:normal;text-align:center}
.delete-preview{border-left:3px solid #cf7777;background:#fff7f7;border-radius:7px;padding:15px;color:#505b65;line-height:1.85;white-space:pre-wrap;overflow-wrap:anywhere;max-height:140px;overflow:auto}
.btn.danger-solid{background:#b84b4b;color:#fff;border-color:#b84b4b}
.btn.danger-solid:hover{background:#9d3838}
.ocr-compare{display:grid;grid-template-columns: minmax(0,0.85fr) minmax(0,1.15fr);gap:19px}
.ocr-original{width:100%;height:auto;max-height:420px;object-fit:contain;border:1px solid #d8e5f0;border-radius:12px;background:#f7f9fc}
.ocr-check{align-items:flex-start;margin-top:14px;line-height:1.6}
.study-rating-buttons .btn{flex-shrink:0}
@media(max-width:700px){.ocr-compare{grid-template-columns:1fr}.ocr-original{max-height:200px}.modal-ocr{max-height:92vh}.modal-actions .btn{white-space:normal}.study-rating-buttons{gap:8px}.modal{max-height:90vh;overflow-y:auto}}


/* V1.0.5 · 账号登录、跨设备同步与学习队列管理 */
.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:28px 16px;background:radial-gradient(circle at 10% 0%,#e7f2fc 0,#f5f8fc 42%,#f7f8fb 100%)}
.auth-card{width:min(520px,100%);background:#fff;border:1px solid #e4edf5;border-radius:24px;padding:34px;box-shadow:0 22px 70px #244e7514}
.auth-brand{display:flex;align-items:center;gap:11px;margin-bottom:32px}.auth-brand .logo-mark{width:44px;height:44px;border-radius:13px;background:#376a9f;display:grid;place-items:center}.auth-brand .brand{font-size:22px;color:#2d4358;font-weight:800}.auth-eyebrow{font-size:11px;letter-spacing:.16em;color:#6b91b3;font-weight:750;margin-bottom:10px}.auth-card h1{font-size:26px;line-height:1.4;margin:0 0 10px;color:#2c4054}.auth-lead{font-size:13px;line-height:1.9;color:#7890a5;margin:0 0 22px}.auth-form{margin-top:20px}.auth-form .field-block{margin-bottom:16px}.auth-submit{width:100%;justify-content:center;min-height:45px}.auth-tabs{display:flex;background:#edf3f9;padding:4px;border-radius:12px;gap:4px}.auth-tab{border:0;background:transparent;flex:1;padding:11px;border-radius:9px;color:#6c8499;font-weight:650}.auth-tab.active{background:#fff;color:#2e6799;box-shadow:0 1px 5px #345e8a12}.auth-links{display:flex;justify-content:space-between;gap:15px;margin-top:17px}.auth-footer{border-top:1px solid #edf1f5;margin-top:22px;padding-top:15px;color:#8b9eae;font-size:11px;line-height:1.9}.auth-error{color:#b84b4b}.auth-local-btn{width:100%;justify-content:center;margin-top:15px;color:#71869a}.auth-actions{display:flex;gap:10px;flex-wrap:wrap}.key-field{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;line-height:1.6;overflow-wrap:anywhere}.inline-cloud-config{margin-top:15px}.cloud-panel .task{border-bottom:1px solid #edf1f5;padding:13px 0}.cloud-actions{gap:9px;flex-wrap:wrap;margin-top:15px}.account-pill{max-width:210px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sync-top-button{white-space:nowrap}.queue-task{align-items:center;gap:9px}.queue-task-actions{display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.queue-task-actions .btn{white-space:nowrap}
@media(max-width:700px){.auth-card{padding:25px 19px;border-radius:19px}.auth-card h1{font-size:23px}.auth-brand{margin-bottom:25px}.auth-actions .btn{width:100%;justify-content:center}.account-pill{display:none}.sync-top-button{font-size:11px;padding:8px}.queue-task{align-items:flex-start}.queue-task-actions{flex-direction:column;align-items:stretch}.queue-task-actions .btn{font-size:11px;padding:8px 9px}}