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/* Shared Kotoba Atlas visual system: the standalone wordbook keeps the same warm paper and green hierarchy as the reference library. */
:root{--bg:#f6f2e9;--paper:#fffdf8;--ink:#20251f;--muted:#74786e;--line:#ddd7ca;--accent:#e7eee4;--yellow:#e6b74c;--red:#d26e4e;--green:#477363;--green-deep:#2f5548;--radius:16px;--shadow:0 18px 40px rgba(47,53,43,.07);font-family:"DM Sans","Noto Sans KR","Noto Sans JP",system-ui,sans-serif;color:var(--ink);background:var(--bg)}
html{background:var(--bg);scroll-behavior:smooth}body{color:var(--ink);background:var(--bg);font-family:inherit;font-size:13px}h1,h2,h3{font-family:inherit;text-wrap:balance}h1{font-size:clamp(36px,4vw,56px);font-weight:500;letter-spacing:-.065em;line-height:1.1}h2{font-size:24px;font-weight:600;letter-spacing:-.04em}h3{font-size:15px;font-weight:600}p{max-width:65ch}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(71,115,99,.38);outline-offset:3px}
.shell{min-height:100dvh;background:var(--bg)}.rail{width:244px;flex-basis:244px;padding:31px 24px 25px;border-right:1px solid var(--line);background:#f2ede2}.brand{font-size:12px;font-weight:700;letter-spacing:.15em}.brand-symbol{width:34px;height:34px;border:0;border-radius:9px 9px 9px 2px;color:var(--paper);background:var(--green);font-size:17px;transform:rotate(-5deg)}.brand small{margin-top:4px;color:var(--muted);font-size:10px;letter-spacing:.02em}.rail-label{margin:0 0 15px 12px;color:#9c9d91;font:500 10px "DM Mono",monospace;letter-spacing:.14em}.rail nav{gap:6px}.rail nav a{padding:11px 12px;border-radius:7px;color:#6f756b;font-size:13px;transition:background .2s ease,color .2s ease,transform .2s ease}.rail nav a:hover{color:var(--ink);background:rgba(255,255,255,.45);transform:translateX(2px)}.rail nav a.active{color:var(--green-deep);background:#e2e9df;font-weight:700}.rail nav a>span{width:22px;color:var(--green);font-size:16px}.rail nav a small{color:var(--muted);background:#fff8}.rail-bottom{font-size:10px}.rail-bottom .return-link{border-top:1px solid var(--line)}.local-dot{background:var(--coral)}
main{max-width:1540px;padding:0 clamp(32px,4.5vw,72px);margin:0 auto}.app-header{height:77px;border-bottom:1px solid var(--line)}.breadcrumbs{color:#a0a296;font:11px "DM Mono",monospace;letter-spacing:.04em}.breadcrumbs span{margin:0 0;color:inherit}.breadcrumbs strong{color:#5c655b;font:500 11px "Noto Sans KR",sans-serif;letter-spacing:0}.header-tools{gap:13px}.style-picker{gap:6px;color:#a0a296;font:10px "DM Mono",monospace;letter-spacing:.04em}.style-picker select{max-width:145px;padding:4px 2px;color:var(--green-deep);background:transparent;font:10px "Noto Sans KR",sans-serif}.header-tools>.icon-btn{color:var(--green);background:transparent}.hero{align-items:flex-start;padding:57px 0 42px}.hero h1{margin:17px 0 16px}.hero p{color:var(--muted);font-size:13px;line-height:1.75}.eyebrow{color:var(--coral);font:500 10px "DM Mono",monospace;letter-spacing:.14em}.hero-accent{color:var(--green)}
.button{min-height:43px;padding:11px 17px;border:1px solid var(--line);border-radius:9px;color:var(--ink);background:var(--paper);font-size:12px;font-weight:600;transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease}.button:hover{border-color:#b9cbbb;background:#f4f8f1;transform:translateY(-1px)}.button:active{transform:translateY(1px) scale(.98)}.button.primary{border-color:var(--green);color:var(--paper);background:var(--green)}.button.primary:hover{border-color:var(--green-deep);background:var(--green-deep);box-shadow:0 8px 18px rgba(72,115,99,.16)}.button.soft{color:var(--green-deep);border-color:#c7d8c8;background:#e7eee4}.button.danger{color:var(--coral)}
.today-banner{border-radius:2px 24px 2px 2px;background:#e7eee4;padding:24px 26px;box-shadow:8px 8px 0 #dde3d6}.banner-symbol{color:var(--green);font-size:38px}.today-banner h2{font-size:21px}.today-banner p{color:#657568;font-size:12px}.section-row{margin:28px 0 17px}.section-row h2{font-size:24px}.deck-grid{gap:16px}.deck-card{border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.72);box-shadow:var(--shadow)}.deck-card:hover{border-color:#b9cbbb;box-shadow:0 20px 42px rgba(47,53,43,.1)}.deck-cover{height:148px;background:#e7eee4}.deck-cover .cover-label{color:var(--green-deep);background:rgba(255,253,248,.9);border-radius:3px;font:500 9px "DM Mono",monospace;letter-spacing:.08em}.deck-cover .cover-symbol{color:var(--green);opacity:.65}.deck-card:nth-child(3n+2) .deck-cover,.deck-card:nth-child(3n) .deck-cover{background:#e7eee4}.deck-body h3{font-size:16px}.deck-body p{font-size:12px;line-height:1.55}.count-label,.result-count{color:var(--muted);font:11px "DM Mono",monospace}.toolbar{margin:21px 0}.search,.toolbar select{border-color:var(--line);border-radius:2px;background:rgba(255,255,255,.42);font-size:12px}.card-list{gap:9px}.word-row{border-color:var(--line);border-radius:2px;background:rgba(255,255,255,.76);box-shadow:none}.word-row:hover{border-color:#a9c1ad;background:var(--paper);box-shadow:var(--shadow);transform:translateY(-1px)}.row-word strong{font:600 22px "Noto Sans JP",sans-serif}.row-word p{font-size:12px}.icon-btn{border:1px solid #c8d5c9;background:#edf3eb;color:var(--green);transition:background .2s ease,color .2s ease,transform .2s ease}.icon-btn:hover{color:var(--paper);background:var(--green);transform:translateY(-1px)}.icon-btn.saved{border-color:#efd1c5;color:var(--coral);background:#f9e9e3}
.study-layout{max-width:1040px}.mode-switch{background:#e7eee4}.mode-switch button.active{color:var(--green-deep)}.study-progress{background:#ddd9ce}.study-progress>div{background:var(--green)}.study-card{border-radius:2px;background:var(--paper);box-shadow:var(--shadow)}.card-content{padding:27px 29px 30px}.word-heading h2{font:600 43px "Noto Sans JP",sans-serif;letter-spacing:-.06em}.part-of-speech{color:var(--coral);font:500 10px "DM Mono",monospace;letter-spacing:.08em}.word-meaning{color:var(--green-deep);font-size:14px;font-weight:600}.sound-button{border:1px solid #c2d2c3;background:#edf3eb;color:var(--green)}.sound-button:hover{color:var(--paper);background:var(--green)}.example-top p{font-size:15px}.example-translation{font-size:12px}.study-controls{background:linear-gradient(0deg,var(--bg) 85%,transparent)}.nav-circle{background:var(--green-deep)}.nav-circle:hover{background:var(--green)}.study-side h3{font-size:13px}.study-side p{font-size:12px}.tip-pill{color:#917631;background:#f6ebc7}.top-button{border:1px solid #c8d5c9;color:var(--green);background:var(--paper)}
.dashboard-spotlight{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:32px;align-items:center;margin:4px 0 32px;padding:29px 32px;color:var(--paper);background:var(--green);border-radius:2px 24px 2px 2px;box-shadow:12px 12px 0 #dde3d6}.spotlight-eyebrow{color:#c6d9cc;font:500 10px "DM Mono",monospace;letter-spacing:.14em}.spotlight-copy h2{margin:12px 0 8px;color:var(--paper);font-size:26px}.spotlight-copy p{margin:0 0 20px;color:#d6e1d9;font-size:12px}.spotlight-copy .button{border-color:var(--paper);color:var(--green-deep);background:var(--paper)}.spotlight-copy .button:hover{color:var(--paper);background:var(--green-deep)}.spotlight-stat{padding-left:26px;border-left:1px solid rgba(255,253,248,.25)}.spotlight-stat span,.spotlight-stat small{display:block;color:#c6d9cc;font-size:11px}.spotlight-stat strong{display:block;margin:7px 0 3px;color:var(--paper);font:500 34px "DM Mono",monospace}.spotlight-stat small{color:#d6e1d9;font-size:10px}.spotlight-progress{height:5px;overflow:hidden;margin-top:17px;border-radius:10px;background:rgba(255,253,248,.24)}.spotlight-progress i{display:block;height:100%;border-radius:inherit;background:#d6e1d9}.metrics{grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin:0 0 34px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.metric{border:0;border-right:1px solid var(--line);border-radius:0;background:transparent;box-shadow:none;padding:18px 22px}.metric:last-child{border-right:0}.metric small{color:var(--muted);font-size:11px}.metric strong{color:var(--green-deep);font:500 25px "DM Mono",monospace}.metric em{color:var(--muted);font-size:10px}.panels{gap:22px}.panel{border-color:var(--line);border-radius:15px;background:rgba(255,255,255,.72);box-shadow:none;padding:25px}.panel h2{font-size:18px}.panel p{font-size:12px;line-height:1.65}.panel-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:0 0 20px}.panel-head h2{margin:0}.panel-head small{color:var(--muted);font:10px "DM Mono",monospace}.panel-note{margin-top:21px}.heatmap{gap:7px;margin:21px 0}.heat-day{background:#e7eee4;color:#a3b0a4}.heat-day[data-level="1"]{background:#c8d8c9;color:var(--green-deep)}.heat-day[data-level="2"]{background:#91b49b;color:var(--paper)}.heat-day[data-level="3"]{background:var(--green);color:var(--paper)}.chart-bars{gap:10px}.chart-column i{background:#91b49b}.distribution-row{margin:17px 0}.distribution-track{background:#e3e6dd}.distribution-track i{background:var(--green)}.metric-inline{display:flex;align-items:baseline;gap:8px;margin:8px 0 0}.metric-inline strong{color:var(--green-deep);font:500 38px "DM Mono",monospace}.metric-inline em{color:var(--muted);font-size:12px;font-style:normal}.settings-grid{max-width:800px}.form-grid{gap:20px}.field{font-size:12px}.error{color:var(--coral)}dialog{background:var(--paper);border-color:var(--line)}th{background:#e7eee4}
@media(max-width:1150px){main{padding:0 28px}.dashboard-spotlight{grid-template-columns:minmax(0,1fr) 210px}.metric{padding:18px 16px}}
@media(max-width:720px){main{padding:0 18px}.app-header{height:60px}.hero{padding:38px 0 29px}.hero h1{font-size:36px}.hero p{font-size:12px}.dashboard-spotlight{grid-template-columns:1fr;gap:24px;padding:24px}.spotlight-copy h2{font-size:22px}.spotlight-stat{padding:18px 0 0;border-top:1px solid rgba(255,253,248,.25);border-left:0}.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.metric{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px}.metric:nth-child(2n){border-right:0}.metric:nth-last-child(-n+2){border-bottom:0}.panel{padding:20px}.panel-head{align-items:flex-start;flex-direction:column;gap:6px}.word-heading h2{font-size:34px}.card-content{padding:22px 23px 26px}.example-top p{font-size:15px}}
@media(max-width:720px){.rail{position:static;width:100%;flex-basis:auto;height:auto;padding:18px 20px 0;display:block;border-right:0;border-bottom:1px solid var(--line)}.brand{font-size:14px}.rail nav{display:flex;margin-top:17px;gap:3px;justify-content:space-between}.rail nav a{flex:1;justify-content:center;padding:12px 4px;border-radius:10px 10px 0 0;gap:6px}.rail nav a>span{display:none}.rail-label,.rail-bottom{display:none}}

/* Original wordbook palette restored. Layout and typography refinements remain in place. */
:root{--bg:#f5f4f8;--paper:#fff;--ink:#222126;--muted:#787680;--line:#e5e3ea;--accent:#ede5f7;--yellow:#f9edb5;--red:#e46d6b;--green:#69a28a;--green-deep:#4e806d;--shadow:0 8px 32px #29213607}
html,body{background:var(--bg);color:var(--ink)}
.rail{background:#faf9fc;border-color:var(--line)}
.brand-symbol{border:1px solid #b7aec8;border-radius:14px;color:var(--ink);background:#eeebf4;transform:none}
.rail nav a{color:#77727f}.rail nav a:hover{color:var(--ink);background:#efedf3}.rail nav a.active{background:#eae5f1;color:#30263d}.rail nav a>span{color:inherit}.local-dot{background:#9e91b1}
.breadcrumbs{color:#928c9c}.breadcrumbs span{color:#c1bac8}.breadcrumbs strong{color:#615c69}.style-picker{color:var(--muted)}.style-picker select{color:var(--ink)}.header-tools>.icon-btn{border:0;color:inherit;background:#f4f2f7}
.eyebrow{color:#9a82a8}.hero-accent{color:#897095}
.button{color:var(--ink);background:#fff}.button:hover{border-color:var(--line);background:#efedf3}.button.primary{color:#fff;background:#28242e;border-color:#28242e}.button.primary:hover{background:#49404f;border-color:#49404f;box-shadow:none}.button.soft{color:var(--ink);background:#ece6f3;border-color:transparent}
.today-banner{border-radius:var(--radius);background:#e9e2f0;box-shadow:none}.banner-symbol{color:#a18cac}.today-banner p{color:#807289}
.deck-cover{background:#e9e3ef}.deck-cover .cover-label{color:inherit;background:#fffe;border-radius:6px;font:inherit;letter-spacing:0}.deck-cover .cover-symbol{color:#80738c}.deck-card:nth-child(3n+2) .deck-cover{background:#eee4da}.deck-card:nth-child(3n) .deck-cover{background:#e1e9eb}
.icon-btn{border:0;background:#f4f2f7;color:inherit}.icon-btn:hover{color:inherit;background:#efedf3}.icon-btn.saved{border:0;color:#8a6e1c;background:#fff3c8}
.mode-switch{background:#eae7ef}.mode-switch button.active{color:var(--ink)}.study-progress{background:#e5e1e9}.study-progress>div{background:#b5a3c6}.study-card{background:#fff}.part-of-speech{color:#9c96a3}.word-meaning{color:var(--ink)}.sound-button{border:0;background:#f5f3f7;color:inherit}.sound-button:hover{color:inherit;background:#efedf3}.nav-circle{background:#27232c}.nav-circle:hover{background:#49404f}.tip-pill{color:#917631;background:#fff3c9}.top-button{border:0;color:inherit;background:#fff}
.metric strong{color:var(--ink)}.heat-day[data-level="1"]{background:#d9cce7;color:#67527d}.heat-day[data-level="2"]{background:#b69cca;color:#fff}.heat-day[data-level="3"]{background:#846598;color:#fff}.heat-day{background:#f0edf5;color:#b7aec0}.chart-column i{background:#c0aed0}.distribution-track{background:#f2eff5}.distribution-track i{background:#b39ac6}.error{color:#ae4545}th{background:#f7f5fa}
.study-card{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);border:1px solid #e5e3ea;border-radius:24px;background:#fff;box-shadow:0 18px 42px rgba(41,33,54,.08)}.study-media-column{position:relative;min-width:0;min-height:100%;background:#eeeaf3}.study-media-column .study-image,.study-media-column .missing-image{height:100%;min-height:340px;aspect-ratio:auto}.study-media-column .study-image{object-fit:cover}.study-media-column .missing-image{background:#eeeaf3}.media-caption{position:absolute;left:16px;right:16px;bottom:16px;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 11px;border:1px solid #ffffffa8;border-radius:10px;background:#ffffffd9;color:#62586e;font:10px "DM Mono",monospace;letter-spacing:.04em;box-shadow:0 5px 18px #29213612}.media-caption small{color:#9a91a1;font:11px "Noto Sans KR",sans-serif}.card-content{display:flex;min-width:0;flex-direction:column;justify-content:flex-start;padding:30px 31px 28px}.word-card-kicker{display:flex;justify-content:space-between;gap:12px;margin-bottom:27px;color:#a39baa;font:10px "DM Mono",monospace;letter-spacing:.04em}.word-heading{align-items:flex-start}.word-heading h2{margin:8px 0 0;font-size:42px}.word-reading-line{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:8px}.word-heading .reading{display:inline;color:#97919c;font-size:13px;margin:0}.korean-reading{color:#897095;font-size:12px;font-weight:600;letter-spacing:.01em}.word-meaning{margin-top:19px;font-size:15px}.examples{margin-top:28px}.example-block{border-top-color:#eeeaf1}.card-foot{margin-top:auto;padding-top:24px;border-top:1px solid #eeeaf1}.keyboard-hint{display:inline-flex;align-items:center;justify-content:center;gap:6px;color:#94899f}.keyboard-hint span{margin:0 4px;color:#c0b8c8}.keyboard-hint kbd{min-width:21px;padding:3px 6px;border:1px solid #ded8e4;border-bottom-width:2px;border-radius:5px;background:#fff;color:#716580;font:10px "DM Mono",monospace;line-height:1}.nav-circle{display:grid;place-items:center;flex:0 0 52px;padding:0;line-height:1}.nav-circle svg{display:block;width:21px;height:21px}.icon-btn{display:grid;place-items:center;padding:0;line-height:1}.icon-btn svg{display:block;width:19px;height:19px}.reading-toggle{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;padding:12px 0;border:0;border-top:1px solid #eeeaf1;background:transparent;text-align:left}.reading-toggle span{display:grid;gap:3px}.reading-toggle strong{font-size:12px;font-weight:600}.reading-toggle small{font-size:10px}.toggle-track{position:relative;width:38px;height:22px;border-radius:20px;background:#ded9e4;transition:background .2s}.toggle-track b{position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 4px #2921361a;transition:transform .2s}.reading-toggle[aria-pressed="true"] .toggle-track{background:#897095}.reading-toggle[aria-pressed="true"] .toggle-track b{transform:translateX(16px)}
.dashboard-spotlight{background:#ede5f7;color:var(--ink);box-shadow:12px 12px 0 #e1d9ea}.spotlight-eyebrow{color:#9a82a8}.spotlight-copy h2{color:var(--ink)}.spotlight-copy p{color:#807289}.spotlight-copy .button{border-color:#28242e;color:#fff;background:#28242e}.spotlight-copy .button:hover{color:#fff;background:#49404f}.spotlight-stat{border-color:#ffffffa8}.spotlight-stat span,.spotlight-stat small{color:#807289}.spotlight-stat strong{color:#30263d}.spotlight-progress{background:#d8cde3}.spotlight-progress i{background:#897095}
.analytics-section{margin:34px 0 42px}.analytics-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:0 0 17px}.analytics-section-head .eyebrow{margin-bottom:9px}.analytics-section-head h2{margin:0;font-size:24px}.analytics-section-head>span{color:#9a91a1;font:10px "DM Mono",monospace}.analytics-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(260px,.85fr);gap:20px}.analytics-grid-secondary{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);margin-top:20px}.analytics-panel{margin-bottom:0;min-width:0}.analytics-panel .panel-head{align-items:flex-start}.analytics-panel .panel-head>div:first-child{display:grid;gap:5px}.analytics-panel .panel-head small{font-family:"Noto Sans KR",sans-serif;letter-spacing:0}.chart-legend{display:flex;flex-wrap:wrap;gap:11px;color:#82788d;font-size:10px}.chart-legend span{display:inline-flex;align-items:center;gap:5px}.chart-legend i{width:7px;height:7px;border-radius:50%}.legend-skim{background:#897095}.legend-review{background:#69a28a}.analytics-chart-wrap{width:100%;overflow:hidden}.analytics-chart{display:block;width:100%;min-width:480px;height:auto;overflow:visible}.chart-grid-line{stroke:#e9e5ed;stroke-width:1;stroke-dasharray:3 4}.chart-axis-label,.chart-date-label{fill:#aaa1b0;font:10px "DM Mono",monospace}.chart-date-label{font-size:9px}.chart-line{fill:none;stroke-width:2.3;stroke-linecap:round;stroke-linejoin:round}.chart-point{stroke:#fff;stroke-width:2}.chart-empty-label{fill:#a79cab;font:12px "Noto Sans KR",sans-serif}.progress-panel{padding-bottom:24px}.progress-metric{margin:6px 0 24px}.progress-metric:last-of-type{margin-bottom:0}.progress-metric-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:10px}.progress-metric-head span{font-size:12px}.progress-metric-head strong{color:#897095;font:500 23px "DM Mono",monospace}.analytics-progress-track{height:9px;overflow:hidden;border-radius:10px;background:#f0edf5}.analytics-progress-track i{display:block;height:100%;border-radius:inherit;background:#897095}.progress-metric small{display:block;margin-top:8px;color:#9a91a1;font-size:10px;line-height:1.6}.gauge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.gauge-card{text-align:center}.gauge{display:block;width:100%;height:auto;overflow:visible}.gauge-track,.gauge-value{fill:none;stroke-width:13;stroke-linecap:round}.gauge-track{stroke:#e7e3eb}.gauge-value-label{fill:#30263d;font:600 22px "DM Mono",monospace}.gauge-card strong{display:block;margin-top:-2px;font-size:12px}.gauge-card small{display:block;margin-top:4px;color:#9a91a1;font-size:10px}.analytics-time-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:3px 0 23px}.analytics-time-summary span{display:block;color:#9a91a1;font-size:10px}.analytics-time-summary strong{display:block;margin-top:7px;color:#30263d;font:500 23px "DM Mono",monospace;letter-spacing:-.04em}.benchmark-chart{display:grid;gap:17px}.benchmark-row>div:first-child{display:flex;justify-content:space-between;gap:12px;margin-bottom:8px;font-size:11px}.benchmark-row strong{color:#897095;font:500 11px "DM Mono",monospace}.benchmark-track{height:8px;overflow:hidden;border-radius:10px;background:#f0edf5}.benchmark-track i{display:block;height:100%;border-radius:inherit;background:#897095}.benchmark-row:last-child .benchmark-track i{background:#69a28a}.analytics-panel .panel-note{font-size:10px;line-height:1.7}
.rail{background:rgba(255,255,255,.68);border-right-color:#ffffffd9;box-shadow:8px 0 28px #29213608;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.rail nav a.active{background:#fff;box-shadow:0 7px 20px #2921360b}.rail nav a>span{color:#897095}.rail-bottom .return-link{display:block;margin-top:14px;padding:11px 12px;border:1px solid #e5e0eb;border-radius:10px;background:#ffffffa8;color:#6d5c7e;box-shadow:0 6px 16px #29213608}.rail-bottom .return-link:hover{background:#fff;color:#30263d}
@media(min-width:721px){.study-grid{grid-template-columns:minmax(0,1fr) 190px}.study-center{max-width:none}}
@media(max-width:720px){.study-card{display:block;border-radius:22px}.study-media-column{min-height:0}.study-media-column .study-image,.study-media-column .missing-image{height:clamp(220px,42vw,310px);min-height:0}.media-caption{left:12px;right:12px;bottom:12px}.card-content{padding:23px 22px 25px}.word-card-kicker{margin-bottom:20px}.word-heading h2{font-size:34px}.card-foot{margin-top:24px}.analytics-section{margin-top:30px}.analytics-section-head{align-items:flex-start;flex-direction:column;gap:8px}.analytics-section-head h2{font-size:21px}.analytics-grid,.analytics-grid-secondary{grid-template-columns:1fr;gap:13px}.analytics-panel{margin-bottom:0}.analytics-chart{min-width:430px}.gauge-grid{gap:4px}.analytics-time-summary{gap:10px}.rail{background:rgba(255,255,255,.84);backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px)}}
.recall-front{display:flex;grid-template-columns:none}
.recall-front,.is-recall-card{position:relative}
.recall-card-bookmark{position:absolute;top:18px;right:20px;z-index:2}
.is-recall-card .recall-card-bookmark{top:auto;right:22px;bottom:18px}
.is-recall-card .card-content{padding-bottom:72px}
.is-recall-card .word-heading>div{flex:1;text-align:center}
.is-recall-card .word-reading-line{justify-content:center}
.example-toggle{display:flex;align-items:center;justify-content:space-between;gap:12px;flex:1;min-width:0;padding:0;border:0;background:transparent;text-align:left;color:inherit}
.example-toggle span:first-child{min-width:0}
.example-chevron{flex:0 0 auto;color:var(--muted);font-size:18px;line-height:1}
.recall .example-top{align-items:center}
.recall .example-top .sound-button{flex:0 0 34px}
.under-study{text-align:center}
.study-side-audio{border-top:1px solid var(--line);margin-top:20px;padding-top:17px}
.study-side-audio label{display:grid;gap:8px;color:var(--muted);font-size:11px}
.study-side-audio select{width:100%;padding:10px 12px;border-radius:10px;background:#fff;color:var(--ink);font-size:12px}
.recall-card-bookmark .icon-btn{background:#f5f3f7}
.study-layout.recall .under-study{display:none}
@media(min-width:721px) and (max-width:1150px){.study-grid{grid-template-columns:minmax(0,440px)}.study-center{max-width:440px}}
.mobile-study-options{display:none}
@media(max-width:1150px){.mobile-study-options{display:block;margin-top:12px;padding:0 16px;border:1px solid #e5e3ea;border-radius:14px;background:#ffffffa8}.mobile-study-options .reading-toggle{border-top:0}}

/* Goal-based content pacing and dashboard controls. */
.hero h1{font-weight:600}
.hero .hero-accent{font-size:1.06em;font-weight:650}
.hero .date{font-size:13px}
.rail-bottom .return-link{font-size:13px}
.dashboard-goalbar{display:grid;grid-template-columns:minmax(0,1fr) minmax(230px,280px);gap:28px;align-items:stretch;margin:0 0 25px;padding:23px 26px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.78);box-shadow:var(--shadow)}
.goalbar-main{min-width:0}
.goalbar-main .eyebrow{margin-bottom:8px}
.goalbar-main h2{margin:0 0 6px;font-size:20px}
.goalbar-main p{margin:0;color:var(--muted);font-size:12px}
.goal-selects{display:flex;flex-wrap:wrap;gap:10px;margin-top:17px}
.goal-selects label,.exam-goal label{display:grid;gap:6px;color:var(--muted);font-size:10px}
.goal-selects select,.calendar-toggle{min-width:90px;padding:8px 28px 8px 10px;border:1px solid #ded8e7;border-radius:9px;background:#fff;color:var(--ink);font-size:12px}
.exam-goal{display:grid;align-content:center;justify-items:end;gap:6px;padding-left:24px;border-left:1px solid var(--line);text-align:right}
.exam-kicker{color:#9a82a8;font:10px "DM Mono",monospace;letter-spacing:.13em}
.exam-goal label{justify-items:end}
.exam-goal input{width:152px;padding:8px 10px;border:1px solid #ded8e7;border-radius:9px;background:#fff;color:var(--ink);font-size:12px}
.exam-goal strong{color:#897095;font:600 24px "DM Mono",monospace;letter-spacing:-.04em}
.exam-goal small{color:var(--muted);font-size:10px}
.course-plan{margin-bottom:25px;padding:24px 26px}
.course-plan-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}
.course-plan-head .eyebrow{margin-bottom:8px}
.course-plan-head h2{margin:0 0 6px;font-size:20px}
.course-plan-head p{margin:0;color:var(--muted);font-size:12px}
.course-day-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px;margin-top:22px}
.course-day{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:center;min-width:0;padding:13px 12px;border:1px solid var(--line);border-radius:12px;background:#fff;transition:transform .18s,background .18s,border-color .18s}
.course-day:hover{transform:translateY(-2px);border-color:#cfc4db;background:#fbf9fd}
.course-day-number{grid-row:span 2;color:#b2a4bc;font:500 18px "DM Mono",monospace}
.course-day-copy{display:grid;gap:3px;min-width:0}
.course-day-copy strong{font-size:12px}.course-day-copy small{font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.course-day-track{grid-column:2;display:block;height:5px;overflow:hidden;border-radius:8px;background:#f0edf5}.course-day-track b{display:block;height:100%;border-radius:inherit;background:#69a28a}
.course-day em{grid-column:2;color:#897095;font:10px "DM Mono",monospace;font-style:normal}
.course-plan>.panel-note{margin-bottom:0}
.target-progress-summary{display:flex;align-items:baseline;gap:6px;margin:5px 0 14px}.target-progress-summary strong{color:#30263d;font:500 28px "DM Mono",monospace}.target-progress-summary span{color:#9a91a1;font-size:11px}
.target-progress-detail{display:block;margin-top:9px;color:#9a91a1;font-size:10px;line-height:1.6}
.calendar-toggle{min-width:96px;padding:6px 24px 6px 8px;font-size:10px}
.heat-day{width:100%;padding:0;border:0}
.row-word-title{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.priority-badge{display:inline-flex;align-items:center;min-height:20px;padding:2px 7px;border-radius:20px;font-size:10px;font-weight:600}.priority-core{color:#897095;background:#eee6f6}.priority-base{color:#4e806d;background:#e5f0e9}.priority-extended{color:#8f7e70;background:#f3ede8}.row-meta{display:block;margin-top:5px;color:#a49aa9;font-size:10px}
@media(max-width:720px){.hero .date{font-size:11px}.dashboard-goalbar{grid-template-columns:1fr;gap:18px;padding:21px}.exam-goal{justify-items:start;padding:17px 0 0;border-top:1px solid var(--line);border-left:0;text-align:left}.exam-goal label{justify-items:start}.course-plan{padding:21px}.course-plan-head{flex-direction:column;gap:14px}.course-day-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.course-day:last-child{grid-column:1/-1}.target-progress-summary strong{font-size:25px}.calendar-toggle{align-self:flex-start}.analytics-panel .panel-head .calendar-toggle{margin-top:2px}}
@media(max-width:430px){.goal-selects{display:grid;grid-template-columns:1fr 1fr}.goal-selects label select{width:100%}.course-day-grid{gap:7px}.course-day{padding:11px 9px;gap:7px}.course-day-number{font-size:16px}.course-day-copy strong{font-size:11px}}

/* Focused library sections, touch-friendly week navigation, and readable analytics. */
.library-divider{display:flex;align-items:center;gap:14px;margin:42px 0 18px;color:#9a82a8;font:10px "DM Mono",monospace;letter-spacing:.14em}
.library-divider::after{content:"";height:1px;flex:1;background:var(--line)}
.section-subtitle{margin:6px 0 0;color:var(--muted);font-size:12px}
.content-library-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:0 0 18px}
.content-library-head h2{margin:0}
.content-library-head p{margin:6px 0 0;color:var(--muted);font-size:12px}
.level-tabs{display:flex;gap:5px;padding:4px;border:1px solid var(--line);border-radius:10px;background:#fff;flex-wrap:wrap}
.level-tab{min-width:43px;padding:8px 10px;border:0;border-radius:7px;text-align:center;color:var(--muted);font:11px "DM Mono",monospace;background:transparent}
.level-tab.active,.level-tab:hover{background:#eee6f6;color:#6c587b}
.content-deck-grid{margin-bottom:10px}
.course-week-nav{display:flex;align-items:center;gap:8px;margin-top:22px}
.week-chip-list{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;flex:1;padding:3px 2px}
.week-chip-list::-webkit-scrollbar{display:none}
.week-chip,.week-arrow{border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:9px;min-height:36px;padding:7px 11px;font-size:11px;white-space:nowrap}
.week-chip.active{background:#eee6f6;border-color:#cfc1dc;color:#6c587b;font-weight:700}
.week-chip:hover,.week-arrow:hover{background:#f6f2fa;color:var(--ink)}
.week-arrow{width:36px;min-width:36px;padding:0;font-size:16px}
.target-progress-summary b{margin-left:auto;color:#897095;font:600 20px "DM Mono",monospace}
.chart-point{cursor:pointer}
.chart-point:focus{outline:none;stroke:#30263d;stroke-width:3}
.gauge-card{text-align:left}
.gauge-card-top{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin:6px 0 10px}
.gauge-card-top strong{font-size:12px}
.gauge-card-top b{color:#897095;font:500 18px "DM Mono",monospace}
.gauge-bar{height:10px;border-radius:999px;background:#e8e3ec;overflow:hidden}
.gauge-bar i{display:block;height:100%;border-radius:inherit;transform-origin:left center;transition:width .3s}
.gauge-value-text{display:block;margin-top:10px;color:#30263d;font:500 22px "DM Mono",monospace}
.gauge-card small{display:block;margin-top:5px}
.word-meaning{font-size:17px}
@media(max-width:720px){.content-library-head{align-items:flex-start;flex-direction:column;gap:12px}.level-tabs{width:100%}.level-tab{flex:1}.course-week-nav{gap:5px}.week-chip{padding-inline:9px}.target-progress-summary b{font-size:17px}.word-meaning{font-size:16px}}
@media(min-width:721px){.rail nav{margin-top:26px}}

.mobile-study-backdrop,.mobile-preview-caption,.mobile-card-meta,.mobile-word-action,.mobile-review-info{display:none}
.desktop-only{display:contents}

@keyframes mobile-card-slide-forward{from{opacity:0;transform:translate3d(24px,0,0)}to{opacity:1;transform:translate3d(0,0,0)}}
@keyframes mobile-card-slide-backward{from{opacity:0;transform:translate3d(-24px,0,0)}to{opacity:1;transform:translate3d(0,0,0)}}
@keyframes mobile-backdrop-slide{from{opacity:.18;transform:scale(1.06)}to{opacity:.48;transform:scale(1.12)}}

@media(max-width:720px){
  body.is-mobile-read{background:#f6f4f8}
  body.is-mobile-read main{width:100%;padding:0}
  body.is-mobile-read .app-header{display:none}
  body.is-mobile-read .study-layout{position:relative;max-width:none;min-height:100dvh;margin:0;isolation:isolate;overflow-x:clip;background:#f6f4f8}
  body.is-mobile-read .study-top{position:absolute;top:16px;left:18px;right:18px;z-index:5;margin:0;pointer-events:none}
  body.is-mobile-read .study-top>a{display:grid;place-items:center;width:42px;height:42px;border:1px solid #ffffff45;background:#30283b38;color:#fff;box-shadow:0 8px 24px #241b331a;pointer-events:auto}
  body.is-mobile-read .study-top>a svg{display:none}
  body.is-mobile-read .study-top>a::before{content:"×";font-size:30px;font-weight:300;line-height:1;transform:translateY(-1px)}
  body.is-mobile-read .study-top .mode-switch,body.is-mobile-read .study-top .counter,body.is-mobile-read .study-progress{display:none}
  body.is-mobile-read .mobile-study-backdrop{display:block;position:absolute;inset:0 0 auto;height:clamp(470px,62dvh,570px);z-index:-1;overflow:hidden;background:#83758b}
  body.is-mobile-read .mobile-study-backdrop::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#251c3380 0%,#4a3b5970 40%,#f6f4f8 100%)}
  body.is-mobile-read .mobile-study-backdrop img{display:block;width:100%;height:100%;object-fit:cover;filter:blur(22px);transform:scale(1.12);opacity:.48}
  body.is-mobile-read .study-grid{position:relative;z-index:1;display:block;padding:72px 0 94px}
  body.is-mobile-read .study-center{width:100%;max-width:none;margin:0}
  body.is-mobile-read .study-card{display:block;position:relative;overflow:visible;border:0;border-radius:0;background:transparent;box-shadow:none;animation:none}
  body.is-mobile-read .study-media-column{width:min(76vw,310px);min-height:0;margin:0 auto;background:transparent}
  body.is-mobile-read .study-media-column .study-image,body.is-mobile-read .study-media-column .missing-image{display:block;width:100%;height:clamp(235px,72vw,330px);min-height:0;aspect-ratio:auto;object-fit:cover;border:1px solid #ffffff52;border-radius:25px 25px 0 0;box-shadow:0 18px 40px #241b3333}
  body.is-mobile-read .study-media-column .missing-image{justify-content:center;background:#e9e4ee;border-color:#ffffffa8}
  body.is-mobile-read .mobile-preview-caption{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:76px;padding:13px 15px 15px;border-radius:0 0 23px 23px;background:#fff;box-shadow:0 18px 40px #241b3333;color:#30263d}
  body.is-mobile-read .mobile-preview-caption>div{display:grid;gap:3px;min-width:0}
  body.is-mobile-read .mobile-preview-caption strong{font-size:27px;line-height:1.05;font-weight:600;letter-spacing:-.05em}
  body.is-mobile-read .mobile-preview-caption span{overflow:hidden;color:#948b9d;font-size:11px;text-overflow:ellipsis;white-space:nowrap}
  body.is-mobile-read .mobile-preview-caption .sound-button{width:39px;height:39px;flex:0 0 39px}
  body.is-mobile-read .card-content{position:relative;min-height:490px;margin-top:44px;padding:0 22px 42px;border-radius:31px 31px 0 0;background:#fff;box-shadow:0 -10px 30px #241b3318}
  body.is-mobile-read .mobile-card-meta{display:flex;align-items:center;justify-content:space-between;height:58px;margin:0 -22px 28px;padding:0 18px 0 0}
  body.is-mobile-read .mobile-card-meta strong{display:grid;place-items:center;align-self:flex-start;min-width:104px;min-height:53px;padding:8px 19px;border-radius:0 0 18px 0;background:#2c2733;color:#fff;font:500 23px/1 "DM Mono",monospace;letter-spacing:-.04em}
  body.is-mobile-read .mobile-card-meta span{color:#50455b;font:500 12px "DM Mono",monospace;letter-spacing:.04em}
  body.is-mobile-read .mobile-word-action{display:flex;position:absolute;top:76px;right:15px;align-items:center;gap:1px}
  body.is-mobile-read .mobile-word-action .icon-btn{width:34px;min-width:34px;height:34px;background:transparent;color:#aaa3b0}
  body.is-mobile-read .mobile-word-action .icon-btn:hover{background:#f4f1f6;color:#665a70}
  body.is-mobile-read .word-card-kicker,body.is-mobile-read .part-of-speech{display:none}
  body.is-mobile-read .word-heading{display:block;padding-right:74px}
  body.is-mobile-read .word-heading h2{margin:0 0 12px;font-size:47px;line-height:1.06;letter-spacing:-.065em}
  body.is-mobile-read .word-heading .sound-button{display:none}
  body.is-mobile-read .word-reading-line{margin-top:0;margin-bottom:12px;gap:7px}
  body.is-mobile-read .word-heading .reading{font-size:13px}
  body.is-mobile-read .korean-reading{font-size:12px}
  body.is-mobile-read .word-meaning{margin:0;color:#30263d;font-size:18px;font-weight:650;line-height:1.55}
  body.is-mobile-read .examples{margin-top:42px}
  body.is-mobile-read .example-block{margin-top:0;padding-top:0;border-top:0}
  body.is-mobile-read .example-top{align-items:center;gap:11px}
  body.is-mobile-read .example-top p{font-size:18px;line-height:1.75;color:#30263d}
  body.is-mobile-read .example-top .sound-button{width:40px;height:40px;flex:0 0 40px}
  body.is-mobile-read .example-translation{margin-top:9px;color:#6d6374;font-size:14px}
  body.is-mobile-read .more-examples{margin-top:21px}
  body.is-mobile-read .mobile-review-info{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 14px;margin-top:38px;padding:20px 17px 19px;border-radius:26px;background:#f5f4f7}
  body.is-mobile-read .mobile-review-stat{display:grid;align-content:start;gap:7px;min-width:0}
  body.is-mobile-read .mobile-review-stat>span:first-child{color:#9d96a5;font-size:11px;line-height:1.35}
  body.is-mobile-read .mobile-review-stat>strong{color:#30263d;font-size:22px;line-height:1.1;letter-spacing:-.04em}
  body.is-mobile-read .mobile-review-stat>strong.is-overdue{color:#e65a5c}
  body.is-mobile-read .mobile-review-latest{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:2px}
  body.is-mobile-read .review-dots{display:flex;align-items:center;gap:7px;flex-shrink:0}
  body.is-mobile-read .review-dot{display:block;width:18px;height:18px;border-radius:50%;opacity:.22;box-shadow:inset 0 0 0 4px #fff}
  body.is-mobile-read .review-dot.is-current{opacity:1}
  body.is-mobile-read .review-dot.again{background:#ef5b5c}
  body.is-mobile-read .review-dot.hard{background:#f0b447}
  body.is-mobile-read .review-dot.good{background:#59cd7e}
  body.is-mobile-read .review-pending{color:#aaa3b0;font-size:11px;white-space:nowrap}
  body.is-mobile-read .card-foot{display:none}
  body.is-mobile-read .mobile-study-options{display:block;margin:12px 18px 0;padding:0 16px;border:1px solid #e5e1e9;border-radius:17px;background:#ffffffd9;box-shadow:0 8px 25px #241b330b;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
  body.is-mobile-read .mobile-study-options .reading-toggle{border-top:0}
  body.is-mobile-read .study-side{display:none}
  body.is-mobile-read .study-controls{position:fixed;left:0;right:0;bottom:0;z-index:8;margin:0;padding:8px 18px max(12px,env(safe-area-inset-bottom));background:linear-gradient(0deg,#f6f4f8 64%,#f6f4f800);pointer-events:none}
  body.is-mobile-read .study-controls .nav-circle{width:46px;height:46px;flex-basis:46px;background:#fff;color:#30263d;box-shadow:0 7px 23px #241b3320;pointer-events:auto}
  body.is-mobile-read .study-controls .nav-circle:last-child{background:#2c2733;color:#fff}
  body.is-mobile-read .study-controls .desktop-only{display:none}
  body.is-mobile-read .under-study{display:none}
  body.is-mobile-read .mobile-read-layout.card-slide-forward .study-media-column,body.is-mobile-read .mobile-read-layout.card-slide-forward .card-content{animation:mobile-card-slide-forward 360ms cubic-bezier(.22,.8,.24,1) both;will-change:transform,opacity}
  body.is-mobile-read .mobile-read-layout.card-slide-forward .card-content{animation-delay:48ms}
  body.is-mobile-read .mobile-read-layout.card-slide-backward .study-media-column,body.is-mobile-read .mobile-read-layout.card-slide-backward .card-content{animation:mobile-card-slide-backward 360ms cubic-bezier(.22,.8,.24,1) both;will-change:transform,opacity}
  body.is-mobile-read .mobile-read-layout.card-slide-backward .card-content{animation-delay:48ms}
  body.is-mobile-read .mobile-read-layout.card-slide-forward .mobile-study-backdrop img,body.is-mobile-read .mobile-read-layout.card-slide-backward .mobile-study-backdrop img{animation:mobile-backdrop-slide 430ms ease-out both;will-change:transform,opacity}
}

/* Study controls stay still while the rendered card content changes. */
.study-card{animation:none!important}
.study-settings-trigger,.study-settings-drawer{display:none}
.study-settings-trigger{align-items:center;gap:9px;min-height:38px;padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font-size:11px;box-shadow:0 7px 20px rgba(41,33,54,.08)}
.study-settings-trigger:hover{border-color:#cfc1dc;background:#fbf9fd}
.study-settings-trigger[aria-expanded="true"]{border-color:#a995b8;background:#f5f0f8}
.hamburger-icon{display:grid;gap:3px;width:15px}
.hamburger-icon i{display:block;width:15px;height:1.5px;border-radius:2px;background:currentColor;transition:transform .24s ease,opacity .18s ease}
.study-settings-trigger[aria-expanded="true"] .hamburger-icon i:first-child{transform:translateY(4.5px) rotate(45deg)}
.study-settings-trigger[aria-expanded="true"] .hamburger-icon i:nth-child(2){opacity:0}
.study-settings-trigger[aria-expanded="true"] .hamburger-icon i:last-child{transform:translateY(-4.5px) rotate(-45deg)}
.study-settings-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:10px;color:var(--ink);font-size:13px}
.study-settings-heading span{color:var(--muted);font-size:10px}
.study-settings-drawer .study-voice-picker{margin-top:8px}
.study-settings-drawer .voice-options{max-height:230px;overflow:auto}
@media(max-width:1300px){
  .study-settings-trigger{display:flex;position:fixed;top:24px;right:clamp(28px,4vw,64px);z-index:21}
  .study-settings-drawer{display:block;position:fixed;top:76px;right:clamp(28px,4vw,64px);z-index:20;width:min(320px,calc(100vw - 56px));padding:17px 18px 12px;border:1px solid #ded8e7;border-radius:16px;background:#fff;box-shadow:0 18px 45px rgba(41,33,54,.16)}
  .study-settings-drawer[hidden]{display:none}
  .study-settings-drawer .reading-toggle{border-top:1px solid var(--line)}
}
@media(max-width:720px){
  .study-settings-trigger{top:16px;right:18px;min-height:42px;padding:9px 11px;border-color:#ffffff45;background:#30283b38;color:#fff;box-shadow:0 8px 24px #241b331a}
  .study-settings-trigger:hover,.study-settings-trigger[aria-expanded="true"]{border-color:#ffffff80;background:#30283b80;color:#fff}
  .study-settings-drawer{top:68px;right:18px;width:min(320px,calc(100vw - 36px));max-height:calc(100dvh - 86px);overflow:auto;background:#ffffffef;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
}

.course-picker{margin:24px 0 25px;padding:24px 26px;background:#fff}
.course-picker-head{display:flex;align-items:flex-start;justify-content:space-between;gap:24px}
.course-picker-head .eyebrow{margin-bottom:8px}
.course-picker-head h2{margin:0 0 6px;font-size:20px}
.course-picker-head p{margin:0;color:var(--muted);font-size:12px}
.course-week-select{display:grid;gap:7px;flex:0 0 auto;color:var(--muted);font-size:10px}
.course-week-select select{min-width:164px;padding:9px 28px 9px 11px;border-radius:10px;background:#fff;color:var(--ink);font-size:12px}
.course-picker .course-week-nav{margin-top:20px}
.course-picker .week-chip-list{scroll-behavior:smooth;scroll-snap-type:x proximity}
.course-picker .week-chip{scroll-snap-align:center}
.course-picker-summary{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px;padding-top:17px;border-top:1px solid var(--line)}
.course-picker-summary>div{display:grid;gap:4px}
.course-picker-summary strong{font-size:13px}
.course-picker-summary span{color:var(--muted);font-size:11px}
.course-picker-summary .course-picker-range{color:#897095;font:11px "DM Mono",monospace;white-space:nowrap}
@media(max-width:720px){
  .course-picker{padding:21px;margin:22px 0 23px}
  .course-picker-head{display:grid;gap:16px}
  .course-week-select{width:100%}
  .course-week-select select{width:100%}
  .course-picker .course-week-nav{margin-top:17px}
  .course-picker-summary{align-items:flex-start;flex-direction:column;gap:6px}
}
/* Review uses the same calm, image-led mobile reading canvas, with a clearer recall stage. */
.study-voice-picker{border-top:1px solid var(--line);margin-top:20px;padding-top:17px}
.study-voice-picker label{display:grid;gap:8px;color:var(--muted);font-size:11px}
.study-voice-picker select{width:100%;padding:10px 12px;border-radius:10px;background:#fff;color:var(--ink);font-size:12px}
.study-voice-label{display:block;margin-bottom:8px;color:var(--muted);font-size:11px}
.voice-menu{position:relative}
.voice-select-trigger{display:flex;align-items:center;justify-content:space-between;width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:12px;text-align:left}
.voice-select-trigger:hover{border-color:#cfc1dc;background:#fbf9fd}
.voice-native-select{display:none}
.voice-select-chevron{width:8px;height:8px;flex:0 0 8px;margin:0 3px 4px 12px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;color:var(--muted);transform:rotate(45deg);transition:transform .38s cubic-bezier(.22,.8,.24,1),color .2s}
.voice-menu.is-open .voice-select-chevron{transform:rotate(225deg) translate(-1px,-1px);color:#6c587b}
.voice-options{position:absolute;right:0;left:0;z-index:12;display:grid;gap:3px;margin-top:6px;padding:5px;border:1px solid #ded8e7;border-radius:12px;background:#fff;box-shadow:0 16px 35px rgba(41,33,54,.14);transform-origin:top;animation:voice-menu-in .18s ease-out both}
.voice-option{display:flex;align-items:center;justify-content:space-between;width:100%;padding:10px 11px;border:0;border-radius:8px;background:transparent;color:var(--ink);font-size:12px;text-align:left}
.voice-option:hover,.voice-option.is-selected{background:#f1ebf6;color:#6c587b}
@keyframes voice-menu-in{from{opacity:0;transform:translateY(-5px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
@media(prefers-reduced-motion:reduce){.voice-select-chevron,.voice-options{transition:none;animation:none}.recall .recall-front .recall-blind-image,.recall .recall-front .recall-hint-image{transition:none}}
.study-layout.recall{max-width:1120px}
.recall .study-grid{grid-template-columns:minmax(0,1fr) 236px;gap:46px}
.recall .study-center{max-width:720px}
.recall .study-card{min-height:430px;border:1px solid #e5e1e9;box-shadow:0 20px 48px rgba(41,33,54,.1)}
.recall .study-card .card-content{display:flex;flex-direction:column;justify-content:center;min-height:100%;padding:42px 54px}
.recall .recall-front .card-content{text-align:center;background:#fff}
.recall .recall-front .card-content small{color:#9a82a8;font:10px "DM Mono",monospace;letter-spacing:.14em}
.recall .recall-front h2{margin:18px 0 10px;font-size:52px;letter-spacing:-.06em}
.recall .recall-front p{max-width:28em;margin:0 auto;color:var(--muted);font-size:13px}
.recall .recall-front .button{align-self:center;margin-top:24px}
.recall .recall-front .recall-blind-image{filter:blur(15px) grayscale(.9);transform:scale(1.08);transition:filter .35s,transform .35s}
.recall .recall-front .recall-hint-image{filter:blur(2px) grayscale(.2);clip-path:inset(9% 7% 9% 7% round 18px);transition:filter .35s,clip-path .35s}
.recall .study-card + .examples{display:block;margin:18px 0 0;padding:22px 25px;border:1px solid #e5e1e9;border-radius:18px;background:#fff;box-shadow:0 10px 28px rgba(41,33,54,.05)}
.recall .study-card + .examples .example-block{margin:0;padding:0;border:0}
.recall .study-card + .examples .example-top{display:flex;align-items:center;gap:16px}
.recall .study-card + .examples .example-audio-column{display:grid;justify-items:center;align-content:start;gap:8px;flex:0 0 92px}
.recall .study-card + .examples .example-audio-column .example-translation{width:150px;margin:0;text-align:left}
.recall .study-card + .examples .example-toggle{font-size:16px}
.recall .study-card + .examples .example-translation{width:calc(100% - 108px);margin:9px 108px 0 0;color:#756c7e;font-size:13px;text-align:left}
.recall .study-controls{position:static;margin-top:22px;padding:0;background:none}
.recall .rating-button{padding:15px 10px 14px;border:1px solid #e5e1e9;border-radius:17px;background:#fff;box-shadow:0 8px 22px rgba(41,33,54,.05);transition:transform .18s,box-shadow .18s,border-color .18s}
.recall .rating-button:hover{transform:translateY(-3px);border-color:#cfc1dc;box-shadow:0 14px 28px rgba(41,33,54,.09)}
.recall .rating-button:active{transform:translateY(0) scale(.98)}
.recall .under-study{display:none}
.recall .word-heading + .word-meaning + .sound-button{display:grid;margin:14px auto 0}
.recall .study-side{padding-top:35px}
.recall .study-side .study-voice-picker{margin-top:22px}

@media(max-width:1150px){.recall .study-grid{grid-template-columns:minmax(0,640px)}.recall .study-side{display:none}.recall .study-center{max-width:640px}}
@media(max-width:1150px){.recall .mobile-study-options{display:block;margin-top:14px;padding:0 16px;border:1px solid #e5e1e9;border-radius:15px;background:#ffffffc9}.recall .mobile-study-options .reading-toggle{border-top:0}.recall .mobile-study-options .study-voice-picker{margin-top:0;border-top:1px solid var(--line)}}
@media(min-width:1151px) and (max-width:1300px){.study-grid{grid-template-columns:minmax(0,720px)}.study-side{display:none}.study-center{max-width:720px}}

@media(max-width:720px){
  body.is-mobile-study{background:#f6f4f8}
  body.is-mobile-study main{width:100%;padding:0}
  body.is-mobile-study .app-header{display:none}
  body.is-mobile-study .study-layout{position:relative;max-width:none;min-height:100dvh;margin:0;isolation:isolate;overflow-x:clip;background:#f6f4f8}
  body.is-mobile-study .study-top{position:absolute;top:16px;left:18px;right:18px;z-index:5;margin:0;pointer-events:none}
  body.is-mobile-study .study-top>a{display:grid;place-items:center;width:42px;height:42px;border:1px solid #ffffff45;background:#30283b38;color:#fff;box-shadow:0 8px 24px #241b331a;pointer-events:auto}
  body.is-mobile-study .study-top>a svg{display:none}
  body.is-mobile-study .study-top>a::before{content:"×";font-size:30px;font-weight:300;line-height:1;transform:translateY(-1px)}
  body.is-mobile-study .study-top .mode-switch,body.is-mobile-study .study-top .counter,body.is-mobile-study .study-progress{display:none}
  body.is-mobile-study .mobile-study-backdrop{display:block;position:absolute;inset:0 0 auto;height:clamp(470px,62dvh,570px);z-index:-1;overflow:hidden;background:#83758b}
  body.is-mobile-study .mobile-study-backdrop::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#251c3380 0%,#4a3b5970 40%,#f6f4f8 100%)}
  body.is-mobile-study .mobile-study-backdrop img{display:block;width:100%;height:100%;object-fit:cover;filter:blur(22px);transform:scale(1.12);opacity:.48}
  body.is-mobile-study .study-grid{position:relative;z-index:1;display:block;padding:72px 0 110px}
  body.is-mobile-study .study-center{width:100%;max-width:none;margin:0}
  body.is-mobile-study .study-card{display:block;position:relative;overflow:visible;min-height:0;border:0;border-radius:0;background:transparent;box-shadow:none;animation:none}
  body.is-mobile-study .study-media-column{width:min(76vw,310px);min-height:0;margin:0 auto;background:transparent}
  body.is-mobile-study .study-media-column .study-image,body.is-mobile-study .study-media-column .missing-image{display:block;width:100%;height:clamp(235px,72vw,330px);min-height:0;aspect-ratio:auto;object-fit:cover;border:1px solid #ffffff52;border-radius:25px 25px 0 0;box-shadow:0 18px 40px #241b3333}
  body.is-mobile-study .study-card .card-content{position:relative;min-height:420px;margin-top:30px;padding:30px 22px 38px;border-radius:31px 31px 0 0;background:#fff;box-shadow:0 -10px 30px #241b3318}
  body.is-mobile-study .is-recall-card .card-content{display:flex;justify-content:center;text-align:center}
  body.is-mobile-study .recall-front .card-content{min-height:280px;margin-top:0;border-radius:31px 31px 0 0}
  body.is-mobile-study .recall-front h2{font-size:43px;margin:16px 0 10px}
  body.is-mobile-study .recall-front p{font-size:12px;line-height:1.7}
  body.is-mobile-study .recall-front .button{margin-top:20px}
  body.is-mobile-study .recall-card-bookmark{top:20px;right:16px}
  body.is-mobile-study .recall .word-heading{justify-content:center}
  body.is-mobile-study .recall .word-heading>div{flex:1;text-align:center}
  body.is-mobile-study .recall .word-heading h2{font-size:38px}
  body.is-mobile-study .recall .word-heading .sound-button{right:0;bottom:0}
  body.is-mobile-study .recall .word-reading-line{justify-content:center}
  body.is-mobile-study .recall .study-card + .examples{margin:14px 18px 0;padding:20px 17px;border:1px solid #e5e1e9;border-radius:20px;background:#fff;box-shadow:0 8px 22px #241b330b}
  body.is-mobile-study .recall .study-card + .examples .example-top{display:flex;align-items:center;gap:10px}
  body.is-mobile-study .recall .study-card + .examples .example-audio-column{flex:0 0 70px;gap:6px}
  body.is-mobile-study .recall .study-card + .examples .example-audio-column .example-translation{width:120px;font-size:12px}
  body.is-mobile-study .recall .study-card + .examples .example-toggle{font-size:17px;line-height:1.7}
  body.is-mobile-study .recall .study-card + .examples .example-translation{width:calc(100% - 82px);margin-right:82px;font-size:14px}
  body.is-mobile-study .recall .study-controls{position:static;display:flex;margin:16px 18px 0;padding:0;background:none;gap:8px}
  body.is-mobile-study .recall .rating-button{padding:12px 3px 10px;border:0;border-radius:15px;background:#fff;box-shadow:0 7px 18px #241b3310}
  body.is-mobile-study .recall .rating-button .rating-circle{width:48px;height:48px;font-size:21px}
  body.is-mobile-study .mobile-study-options{display:block;margin:12px 18px 0;padding:0 16px;border:1px solid #e5e1e9;border-radius:17px;background:#ffffffd9;box-shadow:0 8px 25px #241b330b;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
  body.is-mobile-study .mobile-study-options .study-voice-picker{border-top:0;margin-top:0}
  body.is-mobile-study .voice-menu{display:none}
  body.is-mobile-study .voice-native-select{display:block;width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font:inherit;font-size:14px}
  body.is-mobile-study .study-side{display:none}
  body.is-mobile-study .mobile-read-layout .study-controls{position:fixed;left:0;right:0;bottom:0;z-index:8;margin:0;padding:8px 18px max(12px,env(safe-area-inset-bottom));background:linear-gradient(0deg,#f6f4f8 64%,#f6f4f800);pointer-events:none}
  body.is-mobile-study .mobile-read-layout .study-controls .nav-circle{pointer-events:auto}
}