@charset "UTF-8";
:root{color-scheme:light;--ink:#243c36;--muted:#718079;--paper:#f6f4ed;--green:#28594c;--line:#e3e6dc;--gold:#b78e48;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-size:14px}button,textarea{font:inherit}button{cursor:pointer;border:0;transition:background .15s,transform .15s}button:hover{filter:brightness(.96)}button:active{transform:translateY(1px)}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid #a7c6a8;outline-offset:3px}[hidden]{display:none!important}.masthead{height:88px;max-width:1440px;padding:0 56px;margin:auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--ink);font-weight:750;font-size:22px;letter-spacing:2px}.brand small{display:block;font-weight:400;font-size:10px;letter-spacing:3px;margin-top:5px;color:var(--muted)}.brand-stones{position:relative;width:36px;height:39px}.brand-stones i{position:absolute;width:24px;height:24px;background:#253b34;border-radius:50%;left:0;top:1px}.brand-stones i+i{background:#fffdf7;border:1px solid #c7c9bb;top:14px;left:13px;box-shadow:0 2px 3px #263b351a}.connection{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:7px}.connection i{width:6px;height:6px;background:#b5b3a7;border-radius:50%}.connection.online i{background:#629e72}.connection.offline{color:#a85c47}main{max-width:1360px;margin:auto;padding:36px 40px 0}.intro{display:flex;align-items:center;justify-content:space-between;margin-bottom:31px}.eyebrow{font-size:11px;font-weight:600;letter-spacing:1.7px;color:#7b8a78}.intro h1{font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:35px;font-weight:600;letter-spacing:1.5px;margin:10px 0 10px}.intro p{color:var(--muted);margin:0;font-size:13px}.intro-note{border-left:1px solid #d5ddcd;padding:8px 0 8px 24px}.intro-note span{display:block;font-size:11px;color:var(--muted);margin-bottom:8px}.intro-note strong{font-size:13px;font-weight:500;letter-spacing:1px}.workspace{display:grid;grid-template-columns:minmax(420px,1.7fr) minmax(300px,1fr);gap:24px;align-items:start}.board-card{background:#fffefa;border:1px solid #e5e4da;border-radius:18px;padding:24px 28px 16px;box-shadow:0 8px 35px #243c3605}.board-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.board-heading h2{font-size:18px;font-weight:600;margin:6px 0 0}.turn-pill{display:flex;align-items:center;white-space:nowrap;gap:7px;font-size:11px;border:1px solid #e8e7df;border-radius:20px;padding:7px 10px;background:#f9f8f2}.turn-pill i{width:13px;height:13px;display:inline-block;background:#263631;border-radius:50%;box-shadow:0 1px 2px #0002}.turn-pill.white i{background:#fff;border:1px solid #ccc}.board-tools{display:flex;align-items:center;gap:4px;margin-top:20px;padding-bottom:10px;border-bottom:1px solid #ebece3}.board-tools button{font-size:12px;color:var(--muted);background:transparent;border-radius:7px;padding:8px 12px}.board-tools button.active{background:#eaf0e6;color:var(--green);font-weight:600}.board-tools>span{margin-left:auto;color:var(--muted);font-size:11px}.board-shell{max-width:620px;margin:17px auto 0;background:#e3c897;border:1px solid #d6b780;border-radius:8px;overflow:hidden;box-shadow:inset 0 0 40px #c3955221,0 4px 10px #69502a10}#board{display:block;width:100%;height:auto;touch-action:manipulation}.intersection:focus-visible{outline:none}.intersection:focus-visible .hit{stroke:#337460;stroke-width:3;fill:#ffffff33}.intersection:hover .hit{fill:#ffffff24}.board-line{stroke:#7f663f;stroke-width:1;opacity:.66}.coord{fill:#806b4b;font-size:12px;font-weight:500;text-anchor:middle;dominant-baseline:middle}.inspection{font-size:12px;color:#6f7c6e;min-height:41px;display:flex;align-items:center;padding:10px 0;line-height:1.7}.board-actions{display:flex;gap:8px;flex-wrap:wrap}.secondary{background:#f2f3ed;border:1px solid #e8e9df;color:#657267;border-radius:8px;padding:10px 14px;font-size:12px}.primary{color:#fff;background:var(--green);padding:11px 17px;border-radius:8px;font-size:12px;font-weight:500}.board-foot{display:flex;justify-content:space-between;color:#98a090;font-size:10px;margin-top:17px;padding-top:13px;border-top:1px solid #eeeee6}.sidebar{display:flex;flex-direction:column;gap:15px}.lesson-card,.feedback-card{background:#fffefa;border:1px solid #e4e6da;border-radius:14px;padding:21px}.section-heading{display:flex;justify-content:space-between;align-items:center}.small-label{font-size:10px;color:#98a18f}.lesson-list{margin:15px 0 12px;display:flex;flex-direction:column;gap:7px}.lesson-option{display:flex;align-items:center;text-align:left;gap:12px;width:100%;padding:11px 12px;border-radius:9px;background:transparent;border:1px solid #eeeee6;color:#657265}.lesson-option.selected{border-color:#b6ccb5;background:#edf3e9;color:#315a42}.lesson-number{font-size:11px;color:#8b9a84;background:#f1f2e9;border:1px solid #e4e8dc;width:27px;height:27px;display:grid;place-items:center;border-radius:50%;flex-shrink:0}.selected .lesson-number{color:white;background:#597d58;border-color:#597d58}.lesson-option strong{font-size:12px;font-weight:600;flex:1}.lesson-option .arrow{font-size:16px;color:#8ca082}.free-mode{border-top:1px solid #eceee4;background:transparent;width:100%;text-align:left;color:#536b5a;padding:15px 2px 0;font-size:12px}.free-mode span{display:block;font-size:10px;color:#929b8c;margin-top:5px}.free-mode.selected{color:var(--green);font-weight:700}.coach-card{position:relative;background:#eaf0e4;border:1px solid #dce5d4;padding:23px;border-radius:14px}.coach-card .eyebrow{color:#7b8e6e}.coach-card h2{font-family:"Songti SC",serif;font-size:23px;font-weight:600;margin:13px 0 10px}.coach-card p{font-size:13px;color:#5d7256;line-height:1.85;margin:0;white-space:pre-line}.hint-button{background:transparent;color:#687c5d;font-size:11px;padding:17px 0 0;text-align:left;width:100%}.hint-button span{float:right}.coach-message{margin-top:13px;background:#ffffff80;padding:12px;border-radius:8px;color:#3c6546;font-size:12px;line-height:1.8;white-space:pre-line}.feedback-card label{font-size:13px;font-weight:600}.feedback-card p{font-size:11px;line-height:1.7;color:#8d9686;margin:7px 0 13px}.feedback-card textarea{display:block;width:100%;resize:vertical;min-height:86px;max-height:250px;border:1px solid #e3e7da;border-radius:8px;background:#fafbf6;padding:11px;font-size:12px;line-height:1.7;color:#3c5142;margin-bottom:11px}.feedback-card textarea::placeholder{color:#a4ad9a}.feedback-card .primary{width:100%}.feedback-card #feedback-status{font-size:10px;margin-bottom:0}.engine-note{color:#929b8c;font-size:10px;line-height:1.7;padding:0 8px}footer{text-align:center;color:#9ba191;font-size:10px;padding:28px 0}footer span{padding:0 9px}.mobile-break{display:none}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#33483d;color:white;padding:13px 22px;border-radius:10px;font-size:13px;box-shadow:0 5px 25px #0002;max-width:90vw;z-index:20}@media(min-width:1400px){.board-shell{max-width:580px}}@media(max-width:1000px){.masthead{padding:0 28px}.intro-note{display:none}main{padding:25px 24px 0}.workspace{grid-template-columns:minmax(350px,1.4fr) minmax(260px,1fr);gap:16px}.board-card{padding:20px}.lesson-card,.feedback-card,.coach-card{padding:18px}.board-heading h2{font-size:16px}.intro h1{font-size:30px}.turn-pill{padding:6px 8px}}@media(max-width:740px){.masthead{height:73px;padding:0 20px}.brand{font-size:19px}.connection{font-size:10px}main{padding:25px 15px 0}.intro{margin-bottom:22px}.intro h1{font-size:29px;line-height:1.5}.intro p{font-size:11px}.workspace{grid-template-columns:1fr}.board-card{padding:18px 15px 14px}.board-shell{margin-top:12px}.sidebar{gap:13px}.lesson-list{flex-direction:row;flex-wrap:wrap}.lesson-option{flex:1;min-width:100px;gap:6px;padding:10px 7px}.lesson-option strong{font-size:11px}.lesson-option .arrow{display:none}.lesson-number{width:23px;height:23px}.board-tools{margin-top:16px}.board-foot{font-size:9px}footer{font-size:9px}.mobile-break{display:block}}
/* Separate learner profiles and immediate teaching feedback. */
input,select{font:inherit}input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #a7c6a8;outline-offset:3px}.profile-bar{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-bottom:20px;background:#fffefa;border:1px solid var(--line);border-radius:14px;padding:15px 20px}.profiles{display:flex;gap:7px;flex-wrap:wrap;margin-top:7px}.profile-option{padding:9px 19px;border-radius:8px;background:#f2f3ec;color:var(--ink);border:1px solid #e1e6d8}.profile-option.selected{background:var(--green);color:white;border-color:var(--green)}.profile-caption{font-size:12px;color:#617b69;margin-left:auto}.add-profile{font-size:12px;position:relative}.add-profile summary{cursor:pointer;color:var(--green);padding:8px}.add-profile form{display:flex;gap:8px;flex-wrap:wrap;align-items:center;position:absolute;right:0;top:36px;width:285px;z-index:10;background:#fffefa;border:1px solid var(--line);border-radius:10px;padding:15px;box-shadow:0 8px 24px #243c361c}.add-profile input{width:155px;padding:9px;border:1px solid var(--line);border-radius:6px}.learning-card,.history-card{background:#fffefa;border:1px solid var(--line);border-radius:14px;padding:20px}.learning-card .section-heading{gap:12px;align-items:start}.learning-card .section-heading>strong{font-size:12px;color:var(--green);text-align:right}.quiet{font-size:11px;color:#71806c;line-height:1.8;white-space:pre-line}.skills{display:grid;gap:11px;margin:14px 0}.skill-row{padding-bottom:9px;border-bottom:1px solid #eef0e8}.skill-row-heading{display:flex;justify-content:space-between;gap:10px;font-size:12px;margin-bottom:4px}.skill-row-heading span{color:#6d826a;font-size:11px}.skill-row small{font-size:10px;color:#84907d}.full-width{width:100%}.lesson-card h3{font-size:15px;font-weight:600;margin:13px 0 7px}.skill-label{display:block;font-size:11px;color:#71806c;margin:17px 0 8px}.skill-picker{display:flex;gap:8px;margin-bottom:14px}.skill-picker select{min-width:0;flex:1;border:1px solid var(--line);background:#fafbf6;color:var(--ink);border-radius:8px;padding:10px;font-size:12px}.assessment{margin-top:17px;padding:15px;border-radius:10px;border:1px solid #b5c9ad;background:#f9fcf4}.assessment>strong{display:block;font-size:15px;line-height:1.6;color:#315d3d}.coach-card .assessment p{font-size:12px;line-height:1.85;margin-top:8px}.assessment.retry{border-color:#d5c291;background:#fffaf0}.assessment.retry>strong{color:#866326}.assessment-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px}.inline-assessment{margin-top:12px;padding:10px 13px;border-radius:8px;font-size:13px;line-height:1.7;border:1px solid #c1d4b8;background:#f1f7eb;color:#396346}.inline-assessment.retry{background:#fff8eb;border-color:#dec899;color:#82622e}.inline-assessment.neutral{background:#f1f4ed;color:#546e58}.turn-pill.answered i{background:#759064}.history-card ol{list-style:none;padding:0;margin:12px 0 0}.history-card li{padding:11px 0;border-bottom:1px solid #eeeee6;display:flex;flex-direction:column;gap:5px}.history-card li:last-child{border:0;padding-bottom:0}.history-card li strong{font-size:12px;font-weight:500}.history-card li span{font-size:11px}.history-card li small,.empty-history{font-size:10px;color:#87917e}.history-success{color:#4c7954}.history-retry{color:#987439}.feedback-flash{animation:feedback-flash .8s ease-out}@keyframes feedback-flash{0%{box-shadow:0 0 0 5px #a6bf85}100%{box-shadow:0 0 0 0 transparent}}@media(prefers-reduced-motion:reduce){.feedback-flash{animation:none}}@media(max-width:740px){main{padding-top:18px}.intro{margin-bottom:18px}.intro h1{font-size:27px;margin-top:7px}.profile-bar{padding:12px 14px;gap:10px;margin-bottom:15px}.profile-caption{margin-left:0;flex-basis:100%;order:3;font-size:11px}.add-profile{margin-left:auto}.add-profile form{width:260px;right:-5px}.coach-card h2{font-size:20px;margin-top:10px}.learning-card,.history-card{padding:18px}.board-heading{align-items:start}.turn-pill{font-size:10px}.board-heading h2{line-height:1.4}.board-actions .secondary{padding:9px 11px}}

.board-prompt{display:none;font-size:12px;line-height:1.7;color:#63765e;margin:10px 0 0}
@media(max-width:740px){.board-prompt{display:block}}
@media(max-height:950px){.intro{display:none}.masthead{height:64px}main{padding-top:16px}.profile-bar{padding-top:10px;padding-bottom:10px;margin-bottom:14px}.board-shell{max-width:min(100%,max(300px,calc(100dvh - 440px)))}.board-tools{margin-top:10px}.board-card{padding-top:16px}}
.mode-card{background:#fffefa;border:1px solid var(--line);border-radius:14px;padding:12px 18px;margin-bottom:18px}.mode-tabs{display:flex;gap:7px;flex-wrap:wrap}.mode-tabs button{padding:10px 18px;border-radius:8px;background:#f0f2e9;color:#66735f}.mode-tabs button.selected{background:#e1edda;color:#315d3d;font-weight:650;box-shadow:inset 0 0 0 1px #b1c7a4}.mode-card form,.mode-card form>div{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.mode-card form{margin-top:13px}.mode-card label{font-size:12px}.mode-card select{border:1px solid var(--line);padding:9px;border-radius:7px;background:#fafbf6;color:var(--ink);max-width:160px}.mode-card .quiet{margin:10px 0 0}.mode-card form .quiet{margin:0 8px 0 0}.match-history-actions{display:flex;align-items:center;gap:14px;margin-top:5px}.match-history-actions a{font-size:11px;color:var(--green)}body[aria-busy=true] button,body[aria-busy=true] select{pointer-events:none}body[aria-busy=true] .intersection{cursor:wait}@media(max-width:740px){.mode-card{padding:11px 13px;margin-bottom:14px}.mode-tabs{gap:5px}.mode-tabs button{flex:1;padding:10px 8px;font-size:12px}.mode-card select{max-width:130px}.mode-card form>.primary{width:100%}.mode-card form .quiet{font-size:10px}.board-heading h2{overflow-wrap:anywhere}.turn-pill{max-width:48%;white-space:normal}.turn-pill i{flex-shrink:0}}
.llm-card{background:#fffefa;border:1px solid #dfe4d5;border-radius:14px;padding:20px}.llm-card .section-heading{gap:12px;align-items:start}.llm-card .small-label{text-align:right;overflow-wrap:anywhere}.llm-answer{font-size:12px;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere;background:#f4f6ee;border-radius:9px;padding:12px;color:#445c42}.llm-card label{display:block;font-size:11px;color:#63745f;margin:12px 0 6px}.llm-card textarea,.llm-card input:not([type=checkbox]){display:block;width:100%;padding:10px;border:1px solid var(--line);background:#fafbf6;border-radius:7px;color:var(--ink);font:inherit;font-size:12px}.llm-card textarea{resize:vertical;min-height:65px;margin-bottom:10px}.llm-settings{border-top:1px solid var(--line);margin-top:17px;padding-top:14px}.llm-settings summary{font-size:12px;color:var(--green);cursor:pointer}.llm-card .llm-consent{display:flex;align-items:flex-start;gap:7px;line-height:1.8;margin:14px 0}.llm-consent input{margin-top:4px;accent-color:var(--green)}.settings-actions{display:flex;gap:8px;flex-wrap:wrap}@media(max-width:740px){.llm-card{padding:18px}.settings-actions button{flex:1;font-size:11px;padding:11px}}

.library-picker{border-top:1px solid var(--line);margin-top:18px;padding-top:17px}.library-picker>strong{font-size:13px}.library-picker select{display:block;width:100%;max-width:100%;min-width:0;border:1px solid var(--line);border-radius:8px;padding:10px;background:#fafbf6;color:var(--ink);font-size:12px}.library-picker .skill-label{margin-top:12px}.lesson-source{font-size:10px;color:#849079;line-height:1.8;margin:9px 0 0}.lesson-progress{margin-top:10px;padding:9px 12px;border-radius:8px;background:#edf3e7;color:#45623d;font-size:12px;line-height:1.7}.lesson-import{border-top:1px solid var(--line);margin-top:16px;padding-top:14px}.lesson-import summary{cursor:pointer;font-size:12px;color:var(--green)}.lesson-import input{max-width:100%;font-size:11px;margin-bottom:12px}.lesson-import .quiet{overflow-wrap:anywhere}

.board-shell.board-zoomed{overflow-x:auto;overscroll-behavior-x:contain;max-width:100%}.board-shell.board-zoomed #board{width:720px;max-width:none}.board-card{min-width:0}.board-tools{flex-wrap:wrap}#board-zoom{color:var(--green);border:1px solid #cfddc4}.board-size-settings{flex-shrink:0}@media(max-width:740px){.board-shell.board-zoomed #board{width:720px}.board-tools #move-count{font-size:10px}}

.login-panel{max-width:420px;margin:8vh auto;padding:28px;background:#fffefa;border:1px solid var(--line);border-radius:18px}.login-panel h1{font-size:26px}.login-panel p{font-size:13px;line-height:1.8;color:var(--muted)}.login-panel label{display:block;margin:20px 0 8px}.login-panel input{width:100%;padding:14px;border:1px solid var(--line);border-radius:9px;font-size:16px}.login-panel button{width:100%;margin-top:16px;min-height:44px}.account-actions{max-width:1280px;margin:10px auto;display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:0 20px}.account-actions .quiet{margin-left:auto}.offline-banner{padding:12px 20px;text-align:center;background:#fff0d7;color:#886224}.confirm-setting{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--muted);margin-top:10px;min-height:32px}.pending-move{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:10px;background:#fff2d8;border-radius:9px;margin-top:9px}.pending-move span{flex:1;font-size:12px}.pending-move button{min-height:44px;min-width:64px}@media(pointer:coarse){button{min-height:44px}input,select,textarea{font-size:16px!important}.board-tools button{padding:8px}.board-tools{gap:3px}}@media(max-width:740px){.login-panel{margin:30px 16px}.account-actions .quiet{margin:0;width:100%;font-size:10px}.account-actions{padding:0 15px}.pending-move{position:sticky;top:8px;z-index:5;box-shadow:0 2px 12px #0001}}

.rating-card{background:#fffefa;border:1px solid var(--line);border-radius:14px;padding:20px}.rating-card h3{font-size:15px;margin:12px 0 6px}.match-result-panel{border-top:1px solid var(--line);margin-top:14px;padding-top:12px}.match-result-panel summary{cursor:pointer;font-size:12px;color:var(--green)}.result-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.result-controls label{font-size:11px}.result-controls select{padding:10px;background:#fafbf6;border:1px solid var(--line);border-radius:7px}.result-controls button{min-height:44px}#rating-sizes p{border-top:1px solid var(--line);padding-top:8px}

.lesson-source{overflow-wrap:anywhere}.lesson-source a{color:var(--green);text-decoration:underline;text-underline-offset:2px}

/* Keep the board focused; secondary views share the same live learner state. */
.page-nav{display:flex;gap:6px;border-bottom:1px solid var(--line);margin:0 0 18px;padding-bottom:10px;scroll-margin-top:12px}
.page-nav button{background:transparent;color:var(--muted);padding:11px 20px;border-radius:9px;font-size:13px;min-height:44px}
.page-nav button[aria-current=page]{background:var(--green);color:white;font-weight:600}
.text-link{display:block;background:transparent;color:var(--green);padding:12px 0 0;font-size:12px;text-align:left;min-height:40px}
.compact-disclosure{padding:0;overflow:hidden}.compact-disclosure>summary{cursor:pointer;padding:17px 20px;font-size:13px;color:var(--green)}
.compact-disclosure>summary span{font-size:10px;color:var(--muted);margin-left:8px}.disclosure-content{padding:0 20px 20px}
.view-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.view-heading h2{font-size:23px;margin:0 0 6px}.view-heading p{margin:0}.view-heading>button{flex-shrink:0}
.secondary-view{max-width:1000px;margin:0 auto;min-height:50vh}.secondary-view .library-picker{border:0;margin:0;padding:0}.secondary-view .lesson-card{max-width:680px;margin:auto}.records-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
#view-settings{max-width:800px}#view-settings>.llm-card,.settings-card{margin-bottom:18px}.settings-card{padding:20px;background:#fffefa;border:1px solid var(--line);border-radius:14px}.settings-card summary{cursor:pointer}.settings-card h3{margin:0 0 12px;font-size:14px}#view-settings .llm-settings{border:0;margin:0;padding:0}#view-settings .account-actions{padding:0;margin:0}#view-settings .account-actions .quiet{width:100%;margin:0}#view-settings .engine-note{padding:12px 0 0}
.sidebar{min-width:0}#next-practice h3{margin-top:9px}#next-practice .quiet{margin:6px 0 12px}
@media(max-width:740px){.page-nav{gap:3px}.page-nav button{flex:1;padding:10px 7px;font-size:12px}.records-grid{grid-template-columns:1fr}.view-heading{align-items:start}.view-heading h2{font-size:20px}.view-heading>button{padding:10px}.compact-disclosure{padding:0}.secondary-view{min-height:60vh}}
/* The practice screen starts with the learner and navigation, then the board. */
.intro{display:none}.masthead{height:64px}main{padding-top:16px}.profile-bar{margin-bottom:14px}

/* Records: an overview followed by independently flowing columns. */
#view-records{max-width:none}#view-records>.rating-card{margin-bottom:20px;padding:22px 24px;background:#edf2e8}#view-records .rating-card h3{margin:0 0 14px;font-size:17px}
.record-overview{display:grid;grid-template-columns:1fr 1fr;gap:24px}.record-overview p{margin:0;font-size:15px;color:var(--ink);line-height:1.7}.record-overview p+p{border-left:1px solid #d5dfce;padding-left:24px}
.record-explainer{margin-top:16px}.record-explainer summary{cursor:pointer;font-size:12px;color:#52694c}.record-explainer .quiet{font-size:12px}
.records-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:20px}.records-column{display:flex;flex-direction:column;gap:20px;min-width:0}
#view-records .section-heading{gap:12px;flex-wrap:wrap}#view-records .eyebrow{font-size:14px;letter-spacing:0;color:var(--ink)}#view-records .quiet{font-size:13px}#view-records .small-label{font-size:12px}#view-records .skill-row-heading{font-size:14px}#view-records .skill-row-heading span{font-size:12px}#view-records .skill-row small{font-size:12px}#view-records .skill-row{padding:8px 0 13px}#view-records .history-card li{padding:15px 0;gap:7px}#view-records .history-card li strong{font-size:14px}#view-records .history-card li span{font-size:13px}#view-records .history-card li small{font-size:12px}#view-records .history-card,#view-records .learning-card{padding:22px 24px}
@media(max-width:740px){.records-grid{grid-template-columns:1fr}.record-overview{grid-template-columns:1fr;gap:10px}.record-overview p+p{border-left:0;padding-left:0}.records-column{gap:16px}#view-records>.rating-card,#view-records .history-card,#view-records .learning-card{padding:18px}.record-overview p{font-size:14px}}

.practice-controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px;padding-top:14px;border-top:1px solid var(--line,#e4e7df)}
.practice-controls label{font-size:13px;font-weight:650}.practice-controls select{width:auto;min-width:140px}.practice-controls .quiet{margin:0}.assessment-actions{flex-wrap:wrap}
@media(max-width:600px){.practice-controls{gap:8px}.practice-controls .quiet{flex-basis:100%;font-size:12px}}

/* Lesson viewport only: retain original board coordinates and mark cropped edges. */
.board-focus-note{font-size:11px;line-height:1.7;color:#726243;margin:8px 0 0}.board-crop-boundary{stroke:#806a4d;stroke-width:1.6;stroke-dasharray:5 5;opacity:.8;pointer-events:none}.board-real-edge{stroke-width:1.6}#board-focus{color:var(--green);border:1px solid #cfddc4}.board-shell.board-focused{overflow:hidden}

/* Board first: navigation and teaching remain available in modal drawers. */
.session-ready>.masthead{display:none}main{padding:0 24px}.play-bar{display:flex;align-items:center;gap:18px;max-width:920px;margin:0 auto;padding:10px 0;min-height:64px}.compact-brand{font-weight:750;font-size:17px;letter-spacing:1px;color:var(--green);text-decoration:none;white-space:nowrap}.play-context{min-width:0;flex:1;display:flex;align-items:center;gap:10px;font-size:12px}.play-context strong{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.play-context span{color:var(--muted)}.play-bar>button{min-height:44px;white-space:nowrap}.workspace{display:block;max-width:820px;margin:auto}.board-card{padding:18px 24px 16px}.board-heading .eyebrow{font-size:10px;letter-spacing:.6px}.board-heading h2{font-size:18px;margin-top:3px;line-height:1.4}.board-prompt{display:block;margin:8px 0 0;font-size:13px;line-height:1.65}.board-shell{width:100%;max-width:min(100%,max(360px,calc(100dvh - 260px)));margin:12px auto 0}.board-actions{margin-top:10px;gap:7px}.board-actions button{min-height:44px}.board-actions #next-result{margin-left:auto}.board-options{margin-top:12px;border-top:1px solid var(--line);padding-top:10px;font-size:12px;color:var(--muted)}.board-options>summary{cursor:pointer;min-height:32px;align-content:center}.board-options-content{padding:3px 0 8px}.board-options .board-tools{margin-top:10px}.board-options .board-focus-note{margin-bottom:8px}.inline-assessment{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.5;margin-top:8px;padding:8px 10px}.inspection{min-height:0;padding:8px 0 0}.has-feedback{color:var(--green);border-color:#b2c9a7;background:#edf4e7}.pending-move{position:static;scroll-margin:12px}.board-foot{margin-top:8px;padding-top:9px}.app-drawer{position:fixed;inset:0 0 0 auto;margin:0;width:min(460px,100vw);max-width:100%;height:100dvh;max-height:100dvh;border:0;border-left:1px solid var(--line);padding:0 20px 28px;background:var(--paper);color:var(--ink);overflow-y:auto;overscroll-behavior:contain;box-shadow:-15px 0 50px #142d3529}.app-drawer::backdrop{background:#182c3566}.drawer-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;position:sticky;top:0;z-index:2;background:var(--paper);padding:16px 0;border-bottom:1px solid var(--line);margin-bottom:16px}.drawer-heading h2{font-size:17px;margin:0}.drawer-heading button{min-height:44px}.app-drawer .profile-bar{padding:15px;gap:12px}.app-drawer .profile-caption{margin-left:0;flex-basis:100%;order:3}.app-drawer .add-profile{margin-left:0;flex-basis:100%}.app-drawer .add-profile form{position:static;width:100%;margin-top:6px;box-shadow:none}.app-drawer .page-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px}.app-drawer .page-nav button{background:#edf0e7}.app-drawer .page-nav button[aria-current=page]{background:var(--green)}.app-drawer .mode-tabs button{flex:1;padding:10px 8px;font-size:12px}.app-drawer .sidebar{display:flex;gap:14px}.drawer-open{overflow:hidden}.secondary-view{padding-top:16px}footer{padding:18px 0}
@media(min-width:741px){.board-shell{max-width:min(100%,max(480px,calc(100dvh - 270px)))}}
@media(max-width:740px){main{padding:0 10px}.play-bar{min-height:56px;padding:6px 2px;gap:12px}.compact-brand{font-size:14px}.play-context{display:flex;flex-direction:column;align-items:flex-start;gap:2px;font-size:11px}.play-context strong{max-width:130px}.play-bar>button{padding:9px 12px}.workspace{max-width:540px}.board-card{padding:12px 9px 10px;border-radius:12px}.board-heading{gap:8px}.board-heading h2{font-size:16px}.board-heading .eyebrow{font-size:9px}.turn-pill{font-size:10px;padding:6px 8px;max-width:44%}.board-prompt{font-size:12px;margin-top:6px;line-height:1.6}.board-shell{max-width:100%;margin-top:8px}.board-actions{gap:6px;margin-top:8px}.board-actions .secondary,.board-actions .primary{padding:8px 10px;font-size:12px}.inline-assessment{margin-top:6px}.app-drawer{inset:auto 0 0;margin:0;width:100%;height:auto;max-height:90dvh;border:0;border-radius:20px 20px 0 0;padding:0 16px max(22px,env(safe-area-inset-bottom));box-shadow:0 -12px 40px #142d3529}.drawer-heading{padding:12px 0}.board-options{margin-top:9px;padding-top:6px}.board-foot{font-size:9px;gap:10px}.pending-move{padding:8px;gap:6px}.pending-move span{flex-basis:100%}.pending-move button{flex:1}.secondary-view{padding:14px 4px 0}}