@charset "UTF-8";
:root{--bg:#f6f8f8;--white:#fff;--ink:#203431;--body:#566863;--muted:#8b9994;--line:#e4eae7;--green:#247561;--green-dark:#195d4c;--green-soft:#edf5f1;--code:#f7f9fa;--radius:16px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;color:var(--ink);font-size:14px;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);line-height:1.6}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{color:inherit}button:disabled{cursor:default}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:3px solid #70bba7;outline-offset:3px}input:focus-visible{outline:2px solid #70bba7;outline-offset:2px}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}[hidden]{display:none!important}.svg-defs{position:absolute;width:0;height:0;overflow:hidden}h1,h2,h3,p{margin:0}button{border:0;background:none}.site-header{height:84px;border-bottom:1px solid var(--line);padding:0 max(5vw,24px);display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.7)}.brand{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:700;letter-spacing:1.2px}.brand-mark{background:var(--green);color:#fff;border-radius:10px;height:36px;width:36px;display:grid;place-items:center}.brand-mark svg{width:23px;height:23px}.brand-divider{font-weight:400;color:#c2cbc7;margin:0 16px}.brand-label{font-weight:500;font-size:13px;letter-spacing:2px;color:var(--body)}.header-right{display:flex;align-items:center;gap:24px}.private-label{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--body)}.status-dot{width:6px;height:6px;display:inline-block;border-radius:50%;background:#5f9b83;flex-shrink:0}.button{height:40px;padding:0 15px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:500;border-radius:8px;transition:background .18s,transform .18s}.button svg{width:17px;height:17px}.button.subtle{background:white;border:1px solid var(--line);color:var(--body);font-size:12px}.button.subtle:hover{background:var(--green-soft);border-color:#bcd4c9}.button.primary{background:var(--green);color:white}.button.primary:hover{background:var(--green-dark)}.button.primary:disabled{opacity:.65;cursor:wait}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:600;display:flex;align-items:center;gap:10px;color:var(--green)}.short-line{width:23px;height:2px;background:#699c86}.eyebrow.muted{color:var(--muted);font-size:9px;letter-spacing:1.7px}.login-screen{max-width:1100px;margin:auto;padding:100px 32px 0;min-height:calc(100dvh - 84px);display:flex;flex-direction:column;justify-content:center}.login-layout{display:grid;grid-template-columns:1fr 430px;gap:100px;align-items:center;padding-bottom:100px}.login-intro h1{font-size:39px;letter-spacing:1px;margin:24px 0 17px;font-weight:650;line-height:1.4}.login-tagline{font-size:35px;line-height:1.65;font-weight:400;letter-spacing:2px;color:#82988d}.intro-copy{font-size:14px;line-height:2;color:var(--body);margin-top:22px}.intro-tags{display:flex;align-items:center;gap:12px;font-size:11px;color:var(--body);margin-top:26px}.tiny-dot{color:#a6b3ac}.learning-map{display:flex;align-items:center;margin-top:44px;max-width:355px}.map-node{font-size:11px;color:var(--muted);display:flex;gap:10px;align-items:center}.map-node span{font-family:monospace;color:#8eaaa0;font-size:11px;border:1px solid #d8e4de;border-radius:7px;padding:6px}.map-line{height:1px;background:#dce6e1;flex:1;margin:0 12px}.map-node.active{color:var(--green)}.map-node.active span{color:var(--green);background:#e4f0e9;border-color:#d2e4d8}.map-node svg{width:14px;height:14px;margin-left:-4px}.login-card{padding:36px;background:white;border:1px solid var(--line);border-radius:18px;box-shadow:0 14px 50px -25px #13372c30}.login-icon{width:46px;height:46px;background:var(--green-soft);color:var(--green);display:grid;place-items:center;border-radius:12px;margin-bottom:27px}.login-icon svg{width:23px;height:23px}.login-card h2{font-size:23px;font-weight:600;letter-spacing:.5px;margin:9px 0}.card-description{font-size:13px;color:var(--muted)}#login-form{margin-top:29px}label[for=password]{display:block;font-size:12px;font-weight:600;margin-bottom:9px}.password-wrap{display:flex;align-items:center;border:1px solid #dce4df;border-radius:8px;background:#fcfdfc;padding-right:6px}.password-wrap:focus-within{border-color:#81ac98;box-shadow:0 0 0 3px #e8f2ec}.password-wrap input{width:100%;min-width:0;border:0;outline:none;background:none;padding:12px 13px;font-size:13px}.password-wrap input:focus-visible{outline:none}.password-wrap input::placeholder{color:#a5afa9}.icon-button{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;color:var(--body);flex-shrink:0}.icon-button:hover{background:#e8eeeb}.icon-button:disabled{opacity:.3}.icon-button svg{width:17px;height:17px}.form-error{color:#b15549;min-height:29px;font-size:11px;padding-top:5px;line-height:1.6}.unlock-button{width:100%;height:46px;justify-content:space-between;padding:0 17px;font-size:13px}.login-note{display:flex;gap:10px;color:var(--muted);font-size:10px;line-height:1.9;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}.login-note svg{width:13px;height:13px;margin-top:3px}.login-bottom{border-top:1px solid var(--line);display:flex;justify-content:space-between;color:var(--muted);padding:24px 0 28px;font-size:11px;margin-top:auto}.login-bottom span:last-child{font-size:9px;letter-spacing:1.8px}
.library-screen{max-width:1240px;margin:auto;padding:50px 32px 0}.library-hero{display:flex;align-items:center;justify-content:space-between;gap:24px}.library-hero h1{font-size:34px;letter-spacing:1px;line-height:1.5;font-weight:650;margin:12px 0 8px}.library-hero p{font-size:13px;color:var(--body)}.hero-stats{display:flex;align-items:center;gap:29px;padding:21px 26px;border:1px solid var(--line);background:#fafcfb;border-radius:12px}.hero-stats div{display:flex;flex-direction:column;gap:1px}.hero-stats strong{font-size:26px;font-weight:450;line-height:1.2;letter-spacing:-1px;font-variant-numeric:tabular-nums}.hero-stats span{font-size:10px;color:var(--muted);margin-top:4px}.hero-stats i{height:32px;width:1px;background:var(--line)}.library-toolbar{display:flex;align-items:center;justify-content:space-between;margin:38px 0 15px;gap:16px}.section-label{font-size:13px;font-weight:600}.section-label span{margin-left:10px;font-size:9px;letter-spacing:1.4px;font-weight:400;color:var(--muted)}.availability{display:flex;align-items:center;gap:7px;font-size:10px;color:var(--muted)}.availability b{font-weight:500;color:var(--body);margin:0 -3px}.toolbar-separator{margin:0 4px;color:#c6d0ca}.semesters{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}.semester{border:1px solid var(--line);border-radius:14px;background:white;overflow:hidden}.semester-header{padding:24px 26px 21px;display:flex;align-items:center;gap:14px}.semester-number{display:grid;place-items:center;width:46px;height:46px;border-radius:12px;background:var(--green-soft);color:var(--green);font-size:20px;font-weight:400;letter-spacing:-.5px}.semester:nth-child(2) .semester-number{background:#edf1f7;color:#627795}.semester-header h2{font-size:19px;font-weight:600;letter-spacing:.5px}.semester-subtitle{font-size:9px;letter-spacing:1.5px;color:var(--muted);margin-top:2px}.semester-pill{margin-left:auto;font-size:10px;color:var(--body);background:#f6f8f7;padding:4px 9px;border:1px solid #edf0ed;border-radius:30px;white-space:nowrap}.course-section{padding:0 24px 21px}.course-section-heading{display:flex;align-items:center;justify-content:space-between;padding:12px 0 11px;border-top:1px solid var(--line);font-size:11px;color:var(--body)}.course-section-heading h3{font-size:11px;font-weight:500;display:flex;align-items:center;gap:7px}.course-section-heading h3 svg{width:13px;height:13px}.course-section-heading span{font-size:9px;letter-spacing:1px;color:#9caaa2}.course-row{display:grid;grid-template-columns:minmax(85px,1fr) 104px 126px;gap:10px;align-items:center;min-height:49px;border-bottom:1px solid #f0f3f1}.course-row:last-child{border-bottom:none}.course-name{font-size:12px;color:#52675c;display:flex;align-items:center;gap:13px;white-space:nowrap}.course-index{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:10px;color:#a0afa5}.resource-button{height:32px;display:flex;align-items:center;justify-content:center;gap:7px;border:1px solid #dfe9e3;border-radius:6px;font-size:11px;color:var(--green);background:#f9fcfa;transition:background .15s,border-color .15s}.resource-button svg{width:14px;height:14px}.resource-button:hover:not(:disabled){background:#eaf3ed;border-color:#a2c8b4}.resource-button.notebook:not(:disabled){background:#fafbfc;border-color:#e1e7ec;color:#5c7290}.resource-button.notebook:hover:not(:disabled){background:#edf2f8;border-color:#b6c4d6}.resource-button:disabled{background:#fcfdfc;color:#b5bdb8;border-style:dashed;border-color:#e8ece9}.resource-button .missing{font-size:9px;color:#b8c0bb;margin-left:-2px}.extra-section{background:#fbfcfb;padding:17px 24px 20px;border-top:1px solid var(--line)}.extra-section .course-section-heading{border:0;padding:0 0 9px}.extra-section .course-row{border-bottom-color:#ecf0ed}.empty-extras{color:#a1aea6;font-size:11px;display:flex;align-items:center;justify-content:center;min-height:48px;border:1px dashed #e4eae6;border-radius:6px;gap:8px}.empty-extras svg{width:14px;height:14px}.demo-banner{display:flex;align-items:center;gap:9px;border:1px solid #dde9e1;border-radius:8px;margin-top:20px;padding:11px 15px;background:#f0f6f2;font-size:11px;color:#698071}.demo-banner svg{width:15px;height:15px}.library-footer{display:flex;justify-content:flex-end;gap:20px;align-items:center;padding:26px 0 32px;color:var(--muted);font-size:10px}.library-footer>span{display:flex;align-items:center;gap:6px}.library-footer svg{width:12px;height:12px}.footer-dot{font-size:18px;margin-left:10px;color:#749b87}
.viewer{position:fixed;inset:0;z-index:20;background:var(--bg);display:flex;flex-direction:column;isolation:isolate}.viewer-header{min-height:83px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:14px 28px;gap:20px}.viewer-header .button{border:0;background:#f5f8f6}.viewer-divider{width:1px;height:30px;background:var(--line)}.viewer-heading{min-width:0}.viewer-heading .eyebrow{font-size:9px;letter-spacing:1.2px;color:var(--muted)}.viewer-heading h2{font-size:16px;font-weight:600;margin-top:3px}.file-badge{margin-left:auto;color:var(--green);font-size:10px;border:1px solid #dce9e1;padding:4px 9px;border-radius:5px;white-space:nowrap}.viewer-toolbar{display:flex;align-items:center;gap:22px;padding:10px 28px;background:#fcfdfc;border-bottom:1px solid var(--line);min-height:56px}.viewer-description{font-size:11px;color:var(--muted);flex:1}.zoom-controls{display:flex;align-items:center;gap:4px;border-right:1px solid var(--line);padding-right:20px}.text-button{font-size:11px;border-radius:5px;padding:5px 8px}.text-button:hover{background:var(--green-soft)}.page-controls{display:flex;align-items:center;gap:8px;font-size:11px;white-space:nowrap;color:var(--body)}.page-controls input{width:40px;height:29px;text-align:center;background:white;border:1px solid var(--line);border-radius:5px;color:var(--ink);appearance:textfield;font-variant-numeric:tabular-nums}.page-controls input::-webkit-inner-spin-button{appearance:none}.viewer-body{flex:1;min-height:0;overflow:auto;position:relative;background:#eef2f0}.viewer-status{padding:50px 24px;text-align:center;color:var(--body);font-size:13px}.viewer-status .loading-ring{display:block;margin:30px auto 18px}.loading-ring{width:28px;height:28px;border:2px solid #dbe9e0;border-top-color:var(--green);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.status-detail{display:block;margin-top:9px;color:var(--muted);font-size:11px}.pdf-stage{padding:28px;min-width:100%;width:max-content}.pdf-paper{position:relative;margin:0 auto;box-shadow:0 3px 18px #1f3f2f14;background:white}.pdf-paper canvas{display:block}.textLayer{--total-scale-factor:var(--scale-factor,1);--min-font-size:1}.notebook-stage{padding:25px;min-height:100%;display:flex;flex-direction:column;gap:16px}.cell-heading{display:flex;align-items:center;justify-content:space-between;color:#738679;font-size:10px;padding:0 2px}.cell-kind{display:flex;align-items:center;gap:8px}.cell-kind b{font-weight:600;padding:3px 8px;border:1px solid #d4e2d9;border-radius:5px;font-size:10px;background:#f8fbf9;color:var(--green)}.cell-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px;flex:1;align-items:stretch;min-height:420px}.cell-pane{min-width:0;border:1px solid #dfe7e2;background:white;border-radius:11px;overflow:hidden;display:flex;flex-direction:column}.pane-heading{font-size:9px;letter-spacing:1.4px;color:#7b8c81;display:flex;align-items:center;gap:8px;justify-content:space-between;padding:13px 17px;border-bottom:1px solid var(--line);background:#fcfdfc;min-height:46px}.pane-heading span:last-child{letter-spacing:0;font-size:10px;color:#9aa79e}.source-content{background:#f8faf9;padding:19px 0;overflow:auto;flex:1}.code-line{display:flex;min-height:23px;font:12px/23px ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;white-space:pre}.line-number{width:48px;min-width:48px;text-align:right;padding-right:17px;color:#b3c0b7;user-select:none}.code-text{padding-right:22px;color:#405447}.output-content{padding:20px;overflow:auto;flex:1;color:#42544a;font-size:13px;overflow-wrap:anywhere}.output-content pre{font:12px/1.85 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere;margin:0}.output-item+.output-item{margin-top:20px;padding-top:18px;border-top:1px solid #edf1ee}.output-item img{display:block;max-width:100%;height:auto;margin:0 auto}.html-output{display:block;width:100%;height:380px;border:0;background:white}.output-item.error{background:#fcf1ee;color:#ad5e4d;padding:12px;border-radius:6px}.output-empty{height:100%;min-height:260px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:9px;color:#9da99f;font-size:12px}.output-empty svg{width:25px;height:25px;stroke-width:1.2;color:#b7c6bc}.output-empty small{font-size:10px}.markdown-body{line-height:1.85}.markdown-body h1{font-size:25px;margin:4px 0 15px}.markdown-body h2{font-size:21px;margin:22px 0 12px}.markdown-body h3{font-size:16px;margin:16px 0 10px}.markdown-body p{margin:9px 0}.markdown-body ul,.markdown-body ol{padding-left:24px}.markdown-body a{color:var(--green);text-decoration:underline}.markdown-body code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:#eef4f0;padding:2px 5px;border-radius:4px;font-size:11px}.markdown-body pre{background:#f7faf8;padding:14px;border-radius:6px;overflow:auto}.markdown-body pre code{background:none;padding:0}.markdown-body blockquote{border-left:3px solid #c0d9cc;margin:16px 0;padding:2px 15px;color:#6c8174}.markdown-body table{border-collapse:collapse;font-size:12px;max-width:100%}.markdown-body th,.markdown-body td{padding:8px 12px;border:1px solid var(--line)}.markdown-body img{max-width:100%;height:auto}.hljs-keyword,.hljs-selector-tag,.hljs-built_in{color:#916694}.hljs-string,.hljs-attr{color:#4e8873}.hljs-comment{color:#a0aca4;font-style:italic}.hljs-number,.hljs-literal{color:#bb8952}.hljs-title,.hljs-function{color:#5682a6}.hljs-meta{color:#b98567}.viewer-footer{padding:10px 28px;border-top:1px solid var(--line);background:#fafcfb;display:flex;justify-content:space-between;color:#97a59b;font-size:10px;gap:15px}.viewer-footer kbd{border:1px solid #dfe7e0;border-radius:3px;padding:1px 4px;margin-right:3px;font:9px ui-monospace,monospace;background:white}.key-separator{margin:0 6px}.noscript{position:fixed;bottom:15px;left:15px;right:15px;padding:20px;background:#fff4e7;border:1px solid #dbad6d;z-index:100;color:#83551b}
@media(min-width:1500px){.login-screen{max-width:1180px}.login-layout{grid-template-columns:1fr 450px;gap:140px}.library-screen{max-width:1300px}.course-row{min-height:52px}}
@media(max-width:1050px){.login-layout{gap:50px;grid-template-columns:1fr 400px}.login-screen{padding-top:70px}.login-intro h1{font-size:32px}.login-tagline{font-size:30px}.semesters{gap:18px}.course-section{padding-left:18px;padding-right:18px}.extra-section{padding-left:18px;padding-right:18px}.semester-header{padding-left:18px;padding-right:18px}.course-row{grid-template-columns:minmax(69px,1fr) 88px 113px;gap:7px}.course-name{gap:8px}.course-index{display:none}.hero-stats{gap:21px}.library-screen{padding-left:25px;padding-right:25px}}
@media(max-width:800px){.site-header{height:70px;padding:0 24px}.header-right{gap:12px}.login-screen{padding:48px 24px 0;min-height:calc(100dvh - 70px)}.login-layout{grid-template-columns:1fr;gap:30px;max-width:440px;margin:auto;padding-bottom:45px}.login-intro{padding:0 6px}.login-intro h1{font-size:31px;margin:12px 0 8px}.login-tagline{font-size:22px;line-height:1.6}.login-tagline br{display:none}.intro-copy{margin-top:13px;font-size:12px}.intro-copy br{display:none}.intro-tags,.learning-map{display:none}.login-card{padding:28px}.login-icon{margin-bottom:18px}.login-card h2{font-size:22px}.login-bottom span:last-child{display:none}.login-bottom{font-size:10px;justify-content:center}.semesters{grid-template-columns:1fr;gap:24px}.library-hero{align-items:flex-start}.library-hero h1{font-size:29px}.hero-stats{gap:17px;padding:18px}.hero-stats strong{font-size:23px}.hero-stats span{font-size:9px}.hero-stats i{display:none}.course-row{grid-template-columns:1fr 118px 137px;min-height:52px;gap:12px}.course-index{display:inline}.library-toolbar{align-items:flex-start;flex-direction:column;gap:9px;margin-top:29px}.availability{font-size:10px}.semester-header{padding:23px}.course-section{padding-left:23px;padding-right:23px}.extra-section{padding-left:23px;padding-right:23px}.cell-layout{grid-template-columns:1fr;min-height:0}.cell-pane{min-height:240px}.notebook-stage{padding:18px}.output-empty{min-height:180px}.viewer-description{display:none}.viewer-toolbar{justify-content:space-between;padding:9px 18px;gap:8px}.page-controls{margin-left:auto}.viewer-header{padding:12px 18px;gap:12px}.viewer-header .button{padding:0 10px}.viewer-divider{display:none}.viewer-heading h2{font-size:14px}.viewer-footer{padding:10px 18px}.viewer-footer>span:last-child{display:none}.pdf-stage{padding:18px}.brand-divider{margin:0 9px}.brand-label{font-size:11px}}
@media(max-width:500px){.site-header{padding:0 18px}.brand{font-size:12px;gap:9px}.brand-label{letter-spacing:1px}.brand-mark{width:32px;height:32px;border-radius:8px}.private-label{font-size:10px}.header-right:has(#lock-button:not([hidden])) .private-label{display:none}.library-screen{padding:30px 16px 0}.library-hero{flex-direction:column;gap:21px}.library-hero h1{font-size:29px}.library-hero .eyebrow{font-size:9px}.library-hero p{font-size:12px}.hero-stats{width:100%;padding:15px 21px;gap:0;justify-content:space-between}.hero-stats div{flex-direction:row;align-items:baseline;gap:9px}.hero-stats strong{font-size:22px}.hero-stats span{margin:0}.hero-stats i{display:block;height:19px;margin:0 12px}.library-toolbar{margin-top:25px}.section-label span{font-size:8px}.semester-header{padding:20px 17px}.course-section{padding-left:16px;padding-right:16px}.extra-section{padding-left:16px;padding-right:16px}.course-row{grid-template-columns:minmax(64px,1fr) 90px 112px;gap:7px}.course-name{font-size:11px}.course-index{display:none}.resource-button{font-size:10px;gap:5px}.resource-button .missing{font-size:8px}.library-footer{align-items:flex-start;flex-direction:column;gap:8px}.demo-banner{font-size:10px}.viewer-header{gap:10px}.viewer-heading h2{font-size:12px}.viewer-header .button span{display:none}.viewer-header .button{height:34px}.viewer-heading .eyebrow{font-size:8px}.viewer-header{min-height:70px}.file-badge{font-size:8px;padding:3px 6px}.viewer-toolbar{padding:8px 12px}.zoom-controls{gap:0;padding-right:8px}.zoom-controls .text-button{font-size:9px;padding:5px}.page-controls{gap:5px;font-size:10px}.page-controls input{width:33px}.notebook-stage{padding:12px}.cell-heading{font-size:9px}.output-content{padding:16px}.code-line{font-size:11px}.line-number{width:38px;min-width:38px;padding-right:11px}.login-card{padding:27px 23px}.login-bottom{padding:20px 0}.viewer-footer{font-size:9px}.pdf-stage{padding:12px}}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition:none!important}}

/* PDF presentation fills the browser viewport; browser fullscreen remains optional. */
.presentation-toggle{display:inline-flex;align-items:center;justify-content:center;gap:7px;white-space:nowrap;height:32px;border-radius:6px;padding:0 9px;margin-left:8px;color:var(--green);background:var(--green-soft);font-size:11px}
.presentation-toggle svg{width:16px;height:16px}.presentation-toggle:hover{background:#dceee4}.presentation-toggle:disabled{opacity:.4;cursor:default}
.viewer.pdf-presentation{background:#17201d;outline:0}
.viewer.pdf-presentation>.viewer-header,.viewer.pdf-presentation>.viewer-toolbar,.viewer.pdf-presentation>.viewer-footer{display:none}
.viewer.pdf-presentation .viewer-body{width:100%;height:100%;min-height:0;overflow:hidden;background:#17201d;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr)}
.viewer.pdf-presentation .pdf-stage{width:100%;height:100%;min-width:0;min-height:0;padding:0;display:grid;place-items:center;grid-area:1/1}
.viewer.pdf-presentation .pdf-paper{margin:0;box-shadow:none}
.viewer.pdf-presentation .viewer-status{grid-area:1/1;align-self:center;justify-self:center;z-index:2;color:#e4ede8;background:#17201ded;border-radius:12px}
.presentation-controls{position:absolute;z-index:5;bottom:max(18px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:7px;padding:7px 10px;background:#24342ced;color:#edf5f0;border:1px solid #b2cbbc30;border-radius:10px;box-shadow:0 4px 20px #0002;transition:opacity .18s}
.presentation-controls .icon-button{color:#e4eee8}.presentation-controls .icon-button:hover,.presentation-exit:hover{background:#ffffff1a}.presentation-page{min-width:54px;text-align:center;font-size:12px;font-variant-numeric:tabular-nums;white-space:nowrap}
.presentation-separator{width:1px;height:18px;background:#c5d8cb36;margin:0 5px}.presentation-exit{display:inline-flex;align-items:center;gap:7px;color:inherit;font-size:12px;height:32px;border-radius:6px;padding:0 8px;white-space:nowrap}.presentation-exit svg{width:16px;height:16px}
.viewer.presentation-idle .presentation-controls:not(:focus-within){opacity:0;pointer-events:none}.viewer.presentation-idle .pdf-stage{cursor:none}
@media(max-width:500px){.presentation-toggle{width:30px;padding:0;margin-left:4px}.presentation-toggle span{display:none}}
@media(max-width:360px){.viewer-toolbar{gap:3px;padding-left:6px;padding-right:6px}.zoom-controls{padding-right:3px}.page-controls{gap:3px}.zoom-controls .icon-button,.page-controls .icon-button{width:28px}}