:root{--paper:#f5f3ed;--surface:#fffef9;--ink:#193a31;--muted:#69756d;--line:#dedfd5;--green:#214e40;--soft:#e6ece1;--gold:#e6c581;--red:#b94145;--radius:20px;--shadow:0 16px 45px #1c392611;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.48}a{color:inherit;text-underline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #be8d30;outline-offset:4px}button{color:inherit}button,input,textarea,select{touch-action:manipulation}button{border:0}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:500}h1,h2,.serif{font-family:Georgia,"Times New Roman",serif}h1{font-size:clamp(35px,4vw,58px);line-height:1.04;letter-spacing:-1.9px}h2{font-size:30px;line-height:1.15;letter-spacing:-.7px}h3{font-size:17px;font-weight:650}p{line-height:1.6}.muted{color:var(--muted)}.small{font-size:13px}.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:10px;font-weight:750}.red{color:var(--red)}.skip-link{position:absolute;top:-100px;left:20px;padding:12px;background:white;z-index:30}.skip-link:focus{top:10px}
.shell{display:grid;grid-template-columns:218px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100dvh;padding:36px 22px 24px;border-right:1px solid var(--line);display:flex;flex-direction:column;background:#efeee6}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;border:0;background:none;text-align:left;padding:0}.brandmark{display:grid;place-items:center;width:37px;height:44px;border-radius:8px;background:var(--green);color:var(--gold);font-size:27px;transform:rotate(-7deg)}.brandname{font:23px Georgia,serif;letter-spacing:-.6px;display:block}.brandtag{font-size:9px;letter-spacing:2.9px;display:block;margin-top:4px;text-transform:uppercase}.sidebar nav{display:grid;gap:7px;margin-top:52px}.nav-btn{display:flex;align-items:center;gap:14px;text-align:left;background:transparent;padding:13px 14px;border-radius:9px;font-size:14px;font-weight:550;color:#677169;transition:background .18s}.nav-btn:hover{background:#e3e6db}.nav-btn.active{color:var(--ink);background:#dce4d7}.nav-icon{font-size:20px;width:24px;text-align:center;font-weight:400}.nav-label{flex:1}.nav-dot{width:6px;height:6px;border-radius:100%;background:var(--green)}.sidebar-bottom{margin-top:auto;padding-top:30px}.mini-goal{padding:18px;border:1px solid #d5d9ca;border-radius:12px}.mini-goal p{font-size:12px;color:var(--muted);margin-top:8px}.mini-goal strong{font-weight:600}.progress-track{height:5px;background:#dae0d1;border-radius:20px;overflow:hidden}.progress-track span{display:block;height:100%;background:var(--green);transition:width .3s}.mini-goal .progress-track{margin:13px 0 0}.sidebar-credit{font-size:10px;color:var(--muted);margin:20px 3px 0;line-height:1.7}.content{min-width:0;max-width:1400px;width:100%;margin:auto;padding:0 46px 32px}.topbar{height:94px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:15px}.breadcrumb{font-size:12px;color:var(--muted)}.breadcrumb span{margin:0 10px;color:#a5aaa0}.top-meta{display:flex;gap:9px;align-items:center}.pill{display:flex;gap:7px;align-items:center;padding:7px 11px;border:1px solid var(--line);background:#faf9f3;border-radius:30px;font-size:11px;white-space:nowrap}.pill.gold{background:#eee3c9;border-color:#e0d4b5}.mobile-brand{display:none}.page{padding-top:33px;animation:arrive .25s ease}.page-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:27px}.page-heading h1{font-size:43px;margin-top:9px}.page-heading p{margin-top:10px;font-size:14px;color:var(--muted);max-width:540px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}.section-heading h2{font-size:26px}.section{margin-top:34px}.text-button{background:none;padding:8px 0;font-size:12px;font-weight:600;text-decoration:underline;text-underline-offset:4px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:13px 20px;border-radius:9px;font-size:13px;font-weight:600;line-height:1.25;min-height:45px;transition:background .16s,transform .16s}.btn:hover:not(:disabled){transform:translateY(-1px)}.btn.primary{background:var(--green);color:#fffef4}.btn.primary:hover{background:#183d32}.btn.secondary{background:transparent;border:1px solid #c9cfc0;color:var(--ink)}.btn.soft{background:var(--soft);color:var(--ink)}.btn.gold{background:var(--gold);color:var(--ink)}.btn.white{background:#fffef6;color:var(--ink)}.btn.full{width:100%}.btn.small-btn{padding:9px 12px;font-size:12px;min-height:40px}.arrow{font-size:20px;line-height:1}.hero{border:1px solid #d7ddcb;border-radius:var(--radius);background:#e9eddf;display:grid;grid-template-columns:1.2fr 1fr;min-height:330px;overflow:hidden;position:relative}.hero-copy{padding:40px 0 38px 35px;z-index:1}.hero-copy h1{margin-top:15px;max-width:460px}.hero-copy p{font-size:13px;color:#60705e;max-width:325px;margin:20px 0 23px}.hero-art{position:relative;min-height:285px;display:grid;place-items:center}.hero-art:before,.hero-art:after{content:'';position:absolute;width:265px;height:265px;border:1px solid #ced6c3;border-radius:50%}.hero-art:after{width:330px;height:330px}.deck-stack{position:relative;width:215px;height:215px;z-index:1;transform:translateX(2px)}.deck-stack .playing-card{position:absolute;width:127px;height:180px;box-shadow:0 10px 15px #273a2520;left:44px;top:15px}.deck-stack .playing-card:nth-child(1){transform:translate(-49px,8px) rotate(-19deg)}.deck-stack .playing-card:nth-child(2){transform:translate(52px,8px) rotate(17deg)}.deck-stack .playing-card:nth-child(3){transform:translate(4px,-6px) rotate(-2deg)}.hero-art .floating-label{position:absolute;z-index:2;bottom:35px;left:50%;transform:translateX(-50%) rotate(-3deg);font-size:10px;letter-spacing:1px;text-transform:uppercase;border:1px solid #b7c4ad;background:#eef2e5;padding:8px 15px;border-radius:30px;white-space:nowrap}.hero-copy .eyebrow{color:#5b7156;letter-spacing:1.7px}.hero-copy .btn{font-size:12px}.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:14px;background:var(--surface);margin-top:20px}.stat{padding:20px 23px;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat .label{font-size:10px;letter-spacing:.7px;color:var(--muted);text-transform:uppercase}.stat .value{font-size:27px;display:block;margin-top:9px;font-family:Georgia,serif}.stat .value small{font:12px system-ui;color:var(--muted);margin-left:4px}.stat .meta{margin-top:5px;font-size:10px;color:var(--muted)}.cards-row{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.action-card{padding:24px 22px;display:flex;flex-direction:column;align-items:start;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:15px;position:relative;min-height:185px;transition:transform .2s,border-color .2s}.action-card:hover{transform:translateY(-3px);border-color:#839b7d}.action-card .action-icon{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;background:#edf0e5;font-size:22px;margin-bottom:20px}.action-card .label{font-size:10px;color:var(--muted);margin-top:3px}.action-card p{font-size:12px;color:var(--muted);line-height:1.5;margin-top:9px;max-width:225px}.action-card .corner{position:absolute;right:18px;top:22px;font-size:20px}.action-card.dark{background:var(--ink);color:#fffcec;border-color:var(--ink)}.action-card.dark p,.action-card.dark .label{color:#c4d4c5}.action-card.dark .action-icon{background:#315347;color:var(--gold)}
.two-column{display:grid;grid-template-columns:1.3fr 1fr;gap:24px}.panel{border:1px solid var(--line);border-radius:15px;background:var(--surface);padding:25px}.panel-title{font-size:19px;font-family:Georgia,serif;margin-bottom:6px}.heatmap{display:grid;grid-template-columns:repeat(13,1fr);gap:5px;margin:21px 0 13px}.heat-cell{aspect-ratio:1;border-radius:5px;display:grid;place-items:center;font-size:10px;background:#eeeFE7;color:#8a9084;padding:0;min-width:0;min-height:24px}.heat-cell.seen{background:#e5e5bd;color:#655d32}.heat-cell.practising{background:#b9ccb1;color:#233d28}.heat-cell.strong{background:#285444;color:white}.legend{display:flex;flex-wrap:wrap;gap:13px;font-size:10px;color:var(--muted)}.legend span:before{content:'';display:inline-block;width:7px;height:7px;border-radius:2px;margin-right:5px;background:#eeeFE7}.legend .seen:before{background:#e5e5bd}.legend .practising:before{background:#b9ccb1}.legend .strong:before{background:#285444}.helptext{font-size:11px;line-height:1.6;color:var(--muted);margin-top:15px}.daily-number{font:36px Georgia,serif;margin:19px 0 14px}.daily-number small{font:13px system-ui;color:var(--muted)}.guide-list{padding:0;margin:20px 0 0;list-style:none;display:grid;gap:17px}.guide-list li{display:flex;gap:12px;font-size:12px;line-height:1.65;color:var(--muted)}.guide-list .step{flex-shrink:0;background:#e9ecdf;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:10px;font-weight:700;color:var(--ink)}.guide-list strong{color:var(--ink)}details{border-top:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-size:13px;font-weight:600;line-height:1.4}details p{font-size:12px;color:var(--muted);margin-top:12px}details .source-links{font-size:11px}.badges{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.badge{padding:17px 9px;background:#eeeee6;border:1px solid var(--line);border-radius:13px;text-align:center;color:#74796c}.badge .badge-icon{font-size:25px;display:block;margin-bottom:10px;color:#a5ad9c}.badge strong{display:block;font-size:10px}.badge p{font-size:9px;line-height:1.5;margin-top:6px}.badge.won{background:#eee7d2;border-color:#dac698;color:#564624}.badge.won .badge-icon{color:#826326}.footer{padding:30px 0 0;margin-top:25px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:15px;font-size:10px;color:var(--muted)}.footer .text-button{font-size:10px}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);padding:12px 20px;border-radius:9px;background:#183c32;color:white;box-shadow:var(--shadow);font-size:13px;opacity:0;pointer-events:none;z-index:100;transition:opacity .2s,transform .2s;max-width:90%;text-align:center}.toast.show{opacity:1;transform:translate(-50%,0)}.notice{padding:12px 16px;background:#f1dfbc;border-radius:8px;font-size:12px;margin-bottom:18px;line-height:1.6}
.packet-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.packet{padding:23px;border:1px solid var(--line);border-radius:16px;background:var(--surface);display:grid;grid-template-columns:48px 1fr;gap:15px;text-align:left;transition:border .2s,transform .2s}.packet:hover{border-color:#8ba080;transform:translateY(-2px)}.packet-index{width:44px;height:56px;border:1px solid #cfd8c3;border-radius:6px;background:#eaf0df;display:grid;place-items:center;font:23px Georgia,serif}.packet h3{font-size:16px;margin:3px 0 5px}.packet .muted{font-size:12px}.packet-cards{font-size:17px;letter-spacing:3px;grid-column:1/-1;border-top:1px solid #e5e5da;padding-top:14px;white-space:normal;line-height:1.8}.packet-bottom{display:flex;justify-content:space-between;font-size:10px;grid-column:1/-1;color:var(--muted);align-items:center}.packet-status{background:#edf1e5;padding:5px 8px;border-radius:15px;color:#4e6944}.back-button{background:none;font-size:12px;padding:0 0 20px;color:var(--muted)}.study-layout{display:grid;grid-template-columns:1fr 1fr;gap:25px}.study-stage{background:#e8eddf;border:1px solid #d7dfca;border-radius:20px;min-height:378px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px;position:relative}.study-stage .playing-card{width:155px;height:218px;box-shadow:0 15px 24px #203f2522;transform:rotate(-3deg)}.study-position{position:absolute;top:28px;left:25px;font:44px Georgia,serif;color:#77906d}.study-position small{display:block;font:9px system-ui;letter-spacing:2px;text-transform:uppercase;margin-bottom:7px;color:#71836b}.study-pair{font-size:15px;margin-top:24px;font-weight:600}.study-info{display:flex;flex-direction:column;gap:18px}.study-info h2{margin-top:5px}.study-hook{font:21px/1.5 Georgia,serif;color:var(--ink);padding:20px;background:#efe9d7;border-left:3px solid #d4b369;border-radius:0 8px 8px 0}.study-nav{display:flex;gap:10px;justify-content:space-between;margin-top:18px}.study-dots{display:flex;gap:8px;margin:20px 0;justify-content:center}.study-dot{width:29px;height:29px;background:#e6e9dc;border-radius:50%;font-size:10px}.study-dot.active{background:var(--green);color:white}.field-label{font-size:11px;font-weight:650;display:block;margin-bottom:8px}textarea,input,select{border:1px solid #cfd5c6;border-radius:8px;padding:12px;color:var(--ink);background:var(--surface)}textarea{width:100%;resize:vertical;min-height:95px;font-size:13px;line-height:1.55}select{width:100%;font-size:13px;min-height:46px}input{max-width:100%}.study-tips{font-size:12px;line-height:1.7;color:var(--muted)}.study-tips strong{color:var(--ink)}
.playing-card{position:relative;background:#fffcf3;border:1px solid #d8d4c6;border-radius:10px;width:144px;height:204px;color:#233b33;flex-shrink:0;user-select:none}.playing-card.red{color:var(--red)}.card-corner{position:absolute;top:11px;left:10px;font:21px/.9 Georgia,serif;text-align:center;display:flex;flex-direction:column;gap:3px}.card-corner span:last-child{font-size:19px}.card-corner.bottom{top:auto;left:auto;right:10px;bottom:11px;transform:rotate(180deg)}.card-centre{position:absolute;inset:35px 26px;display:grid;place-items:center;font-family:Georgia,serif}.card-centre .big-suit{font-size:63px;line-height:1}.face-letter{font-size:41px;line-height:1}.court-art{border:1px solid currentColor;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;opacity:.85;outline:1px solid currentColor;outline-offset:-5px;border-radius:2px}.court-art .big-suit{font-size:35px}.pips{display:grid;width:100%;height:100%;grid-template-columns:repeat(2,1fr);align-content:space-evenly;justify-items:center;font-size:22px;line-height:1}.pips.odd .pip:last-child{grid-column:1/-1}.card-stamp{position:absolute;left:50%;bottom:-12px;transform:translateX(-50%);font:10px system-ui;background:#f4eacb;color:#65543d;border:1px solid #d3c398;padding:5px 9px;border-radius:12px;white-space:nowrap}
.practice-config{display:grid;grid-template-columns:1.2fr 1fr;gap:23px}.config-form{display:flex;flex-direction:column;gap:23px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.mode-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mode-option{padding:15px;text-align:left;border:1px solid var(--line);border-radius:10px;background:var(--surface)}.mode-option.active{background:#e6ecdD;border-color:#7d9971;box-shadow:inset 0 0 0 1px #7d9971}.mode-option strong{display:block;font-size:12px}.mode-option span{display:block;margin-top:5px;font-size:10px;color:var(--muted)}.segmented{display:flex;border:1px solid #ccd5c2;background:#edf0e5;border-radius:10px;padding:4px;gap:4px}.segmented button{flex:1;border-radius:6px;padding:11px 10px;background:none;font-size:12px}.segmented .active{background:var(--surface);box-shadow:0 1px 5px #27382515}.practice-aside{padding:28px;background:var(--ink);border-radius:16px;color:#fcf9e9;display:flex;flex-direction:column}.practice-aside h2{font-size:31px;margin:20px 0 16px}.practice-aside p{font-size:13px;color:#c4d3c4;line-height:1.75}.practice-aside .aside-symbol{font-size:37px;color:var(--gold);margin-top:auto;padding-top:30px}.practice-aside .eyebrow{color:#b4c6b2}.practice-notes{margin-top:20px;padding-top:18px;border-top:1px solid #496153;font-size:11px!important}.round{max-width:690px;margin:auto}.round-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:15px}.round-top .eyebrow{font-size:10px}.round-title{font:23px Georgia,serif}.round-progress{margin-bottom:25px}.round-meta{display:flex;gap:12px;align-items:center}.combo{font-size:12px;color:#74733f;background:#ede8cf;border-radius:20px;padding:7px 12px}.clock{font:23px 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.hint-button{margin-top:16px;font-size:11px;color:var(--muted);padding:8px;background:none;text-decoration:underline;text-underline-offset:3px}.hint-content{font-size:13px;line-height:1.65;margin-top:16px;padding:13px 16px;background:#f2ebd7;border-radius:8px;max-width:410px;text-align:center}.answer-area{margin-top:21px}.answer-area .field-label{font-size:11px}.answer-input-row{display:flex;gap:10px}.answer-input-row input{width:100%;min-width:0;font-size:18px;background:#fffcf6}.answer-input-row .btn{min-width:125px}.keypad{margin-top:14px}.rank-keys{display:grid;grid-template-columns:repeat(13,1fr);gap:5px}.rank-key,.suit-key{padding:11px 0;border-radius:7px;border:1px solid #d4d8ca;background:var(--surface);font-size:15px;min-height:43px}.rank-key.selected,.suit-key.selected{background:#dae5cf;border-color:#5b7f4b;box-shadow:inset 0 0 0 1px #5b7f4b}.suit-keys{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:8px}.suit-key{font-size:23px}.suit-key span{font-size:10px;margin-left:7px;color:var(--muted)}.answer-hint{margin-top:11px;font-size:10px;color:var(--muted);text-align:center}.feedback{margin-top:18px;border:1px solid #cbd9bd;background:#e4eddb;border-radius:12px;padding:19px;animation:arrive .2s ease}.feedback.wrong{background:#f1e7db;border-color:#dfc8b0}.feedback.assisted{background:#ece8d7;border-color:#d4c9a8}.feedback-title{font-size:16px;font-weight:650}.feedback p{font-size:12px;line-height:1.6;margin-top:8px}.feedback .btn{margin-top:15px}.round-foot{display:flex;justify-content:space-between;align-items:center;margin-top:18px;color:var(--muted);font-size:10px}.round-foot button{font-size:11px;background:none;text-decoration:underline;text-underline-offset:3px;padding:8px}.pause-card{border-radius:18px;padding:75px 30px;text-align:center;background:var(--surface);border:1px solid var(--line);max-width:650px;margin:auto}.pause-card h2{font-size:38px;margin-bottom:14px}.pause-card p{margin-bottom:26px;color:var(--muted)}.result{text-align:center;max-width:730px;margin:auto}.result-mark{width:74px;height:74px;background:#e9ddb9;color:#6f5429;font-size:35px;border-radius:50%;display:grid;place-items:center;margin:15px auto 23px}.result h1{font-size:44px}.result>p{font-size:14px;color:var(--muted);margin-top:12px}.result .stats{grid-template-columns:repeat(3,1fr);margin:25px 0}.result .stat{text-align:center}.result .stat .value{font-size:31px}.result-buttons{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.misses{text-align:left;margin:30px 0}.miss-row{display:flex;align-items:center;justify-content:space-between;gap:15px;border-bottom:1px solid var(--line);padding:13px 0;font-size:12px}.miss-row .muted{font-size:11px}.result-message{padding:17px;border-radius:10px;background:#e9edde;font-size:13px;margin:22px 0;line-height:1.7;text-align:left}
.stack-tools{display:flex;gap:12px;margin-bottom:23px}.stack-tools input{flex:1;min-width:0;background:var(--surface);font-size:13px}.stack-tools select{width:170px}.stack-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:12px}.stack-tile{background:var(--surface);border:1px solid var(--line);border-radius:11px;padding:12px 8px 9px;text-align:center;transition:transform .16s,border-color .16s}.stack-tile:hover{transform:translateY(-3px);border-color:#7e9670}.stack-number{font-size:10px;color:var(--muted);display:block;text-align:left;padding-left:3px}.stack-card-name{font:26px Georgia,serif;display:block;margin:10px 0 14px}.stack-strength{display:flex;gap:3px;margin:0 5px}.stack-strength span{flex:1;height:3px;background:#e6e8df;border-radius:8px}.stack-strength span.on{background:#9cb78a}.stack-strength span.solid{background:#285444}.stack-endnote{font-size:12px;line-height:1.65;margin-top:24px;color:var(--muted)}dialog{width:min(520px,calc(100% - 30px));padding:27px;border:1px solid #d7dccd;border-radius:18px;background:var(--surface);color:var(--ink);box-shadow:0 30px 90px #10201733;max-height:88dvh;overflow:auto}dialog::backdrop{background:#0d221a88;backdrop-filter:blur(3px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:22px}.dialog-head h2{font-size:25px}.close-dialog{border-radius:50%;width:33px;height:33px;background:#e9eddf;font-size:23px}.dialog-card-wrap{display:flex;gap:23px;align-items:center;margin-bottom:25px}.dialog-card-wrap .playing-card{height:168px;width:120px}.dialog-card-wrap .pips{font-size:17px}.dialog-card-wrap .card-centre{inset:30px 24px}.dialog-card-wrap .position-value{font:52px Georgia,serif;margin:6px 0}.dialog-neighbours{display:flex;gap:8px;flex-wrap:wrap;font-size:11px}.dialog-neighbours span{padding:6px 9px;border-radius:5px;background:#e9eddf}.dialog-actions{display:flex;gap:8px;margin-top:14px}.data-actions{display:flex;gap:12px;margin-top:17px;flex-wrap:wrap}.file-label{cursor:pointer}.empty{padding:40px;text-align:center;color:var(--muted);font-size:13px;grid-column:1/-1}.inline-link{background:none;text-decoration:underline;padding:0;font-size:inherit}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@keyframes arrive{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1450px){.content{padding-left:65px;padding-right:65px}.hero{min-height:365px}.hero-copy{padding-left:43px;padding-top:45px}.hero-art{transform:scale(1.1)}}
@media(max-width:1120px){.shell{grid-template-columns:180px 1fr}.sidebar{padding:32px 15px 20px}.brandname{font-size:21px}.brandmark{width:30px;height:38px;font-size:22px}.brandtag{font-size:8px;letter-spacing:2px}.content{padding:0 28px 25px}.hero-copy{padding:30px 0 30px 25px}.hero{grid-template-columns:1.2fr .9fr}.hero h1{font-size:43px}.deck-stack{transform:scale(.85)}.hero-art:before{width:205px;height:205px}.hero-art:after{width:270px;height:270px}.stat{padding:18px 15px}.two-column{gap:16px;grid-template-columns:1.3fr 1fr}.panel{padding:20px}.heatmap{gap:3px}.heat-cell{font-size:8px}.stack-grid{grid-template-columns:repeat(6,1fr)}.badge{padding:14px 6px}.action-card{padding:22px 17px}.hero-art .floating-label{font-size:8px}}
@media(max-width:850px){.shell{grid-template-columns:1fr}.sidebar{position:fixed;z-index:20;top:auto;bottom:0;left:0;width:100%;height:auto;padding:0 10px env(safe-area-inset-bottom,0);border-right:0;border-top:1px solid #d4dccb;background:#f4f3ebf5;backdrop-filter:blur(10px)}.sidebar .brand,.sidebar-bottom{display:none}.sidebar nav{display:grid;grid-template-columns:repeat(4,1fr);gap:3px;margin:0}.nav-btn{flex-direction:column;gap:2px;padding:9px 6px 8px;min-height:62px;border-radius:0;font-size:9px}.nav-btn.active{background:transparent;color:var(--green)}.nav-icon{font-size:23px;height:26px}.nav-dot{display:none}.content{padding:0 28px 95px}.topbar{height:77px}.mobile-brand{display:flex}.topbar .breadcrumb{display:none}.topbar .brandname{font-size:21px}.topbar .brandtag{font-size:8px}.topbar .brandmark{width:29px;height:35px;font-size:22px}.pill{font-size:10px;padding:7px 9px}.page{padding-top:25px}.hero{grid-template-columns:1.3fr 1fr}.hero-art{min-height:280px}.hero-copy{padding:31px 0 28px 26px}.hero h1{font-size:45px}.hero-art .floating-label{bottom:30px}.footer{margin-top:28px}.toast{bottom:88px}.badges{gap:8px}.study-layout{gap:20px}.practice-config{gap:17px}}
@media(max-width:600px){.content{padding:0 18px 95px}.topbar{height:73px}.top-meta{gap:5px}.top-meta .streak-pill{display:none}.hero{grid-template-columns:1fr;min-height:0}.hero-copy{padding:28px 25px 6px}.hero h1{font-size:43px;letter-spacing:-1.5px;max-width:300px}.hero-copy p{font-size:12px;max-width:280px;margin:15px 0 18px}.hero-copy .btn{padding:13px 17px}.hero-art{min-height:205px;overflow:hidden}.deck-stack{transform:scale(.76) translateY(-4px);height:218px}.hero-art:before{width:180px;height:180px}.hero-art:after{width:250px;height:250px}.hero-art .floating-label{bottom:12px;font-size:8px;padding:6px 10px}.stats{grid-template-columns:repeat(2,1fr);margin-top:15px}.stat{padding:16px 18px}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.stat .value{font-size:26px;margin-top:6px}.stat .label{font-size:9px}.stat .meta{font-size:10px}.cards-row{grid-template-columns:1fr;gap:10px}.action-card{padding:17px 18px 17px 75px;min-height:106px;justify-content:center}.action-card .action-icon{position:absolute;left:18px;top:22px;margin:0;width:38px;height:42px}.action-card .corner{top:18px;right:15px}.action-card h3{font-size:16px}.action-card p{font-size:11px;margin-top:6px;max-width:235px}.action-card .label{display:none}.section{margin-top:29px}.section-heading{margin-bottom:15px}.section-heading h2{font-size:25px}.two-column{grid-template-columns:1fr}.heatmap{gap:5px}.heat-cell{font-size:9px;min-height:23px}.panel{padding:21px}.badges{grid-template-columns:repeat(3,1fr);gap:8px}.badge{padding:17px 9px}.badge strong{font-size:10px}.badge p{font-size:9px}.badge .badge-icon{font-size:27px}.page-heading{align-items:start;margin-bottom:23px}.page-heading h1{font-size:36px}.page-heading p{font-size:12px}.packet-grid{grid-template-columns:1fr;gap:13px}.packet{padding:20px}.packet-cards{letter-spacing:4px}.study-layout{grid-template-columns:1fr}.study-stage{min-height:302px;padding:24px}.study-stage .playing-card{width:136px;height:193px}.study-position{font-size:38px;left:20px;top:23px}.study-pair{margin-top:20px;font-size:13px}.study-info h2{font-size:27px}.study-hook{font-size:20px}.study-info{gap:14px}.study-nav{margin-top:12px}.study-tips{font-size:12px}.practice-config{grid-template-columns:1fr}.practice-aside{padding:24px}.practice-aside h2{font-size:28px;margin:13px 0}.practice-aside .aside-symbol{display:none}.practice-aside p{font-size:12px}.form-row{gap:12px}.mode-option{padding:15px 12px}.mode-option strong{font-size:11px}.mode-option span{font-size:10px}.config-form{gap:20px}.round-top{flex-wrap:wrap;gap:8px}.round-title{font-size:21px}.round-meta{gap:7px}.combo{font-size:10px;padding:6px 9px}.round-progress{margin-bottom:17px}.quiz-stage{padding:22px 16px}.quiz-stage h2{font-size:15px;margin-bottom:19px}.quiz-stage .playing-card{width:113px;height:159px}.quiz-stage .card-centre{inset:31px 21px}.quiz-stage .pips{font-size:17px}.quiz-stage .card-corner{font-size:19px;left:9px;top:10px}.quiz-stage .card-corner.bottom{right:9px;bottom:10px;top:auto;left:auto}.quiz-stage .card-corner span:last-child{font-size:16px}.number-card{width:128px;height:159px}.number-card .number{font-size:71px}.answer-area{margin-top:17px}.answer-input-row .btn{min-width:82px;padding:12px 14px}.answer-input-row input{padding:12px;font-size:16px}.rank-keys{grid-template-columns:repeat(7,1fr);gap:6px}.rank-key{font-size:15px;padding:9px 0}.suit-keys{gap:6px}.suit-key{font-size:24px}.suit-key span{display:none}.answer-hint{font-size:10px}.hint-content{font-size:12px;padding:12px}.round-foot{margin-top:13px}.result h1{font-size:36px}.result .stats{grid-template-columns:repeat(3,1fr)}.result .stat{padding:17px 9px;border-bottom:0}.result .stat:nth-child(2){border-right:1px solid var(--line)}.result .stat .value{font-size:27px}.result .stat .label{font-size:8px}.stack-tools{gap:8px}.stack-tools select{width:130px;font-size:12px}.stack-tools input{font-size:12px;padding:12px}.stack-grid{grid-template-columns:repeat(4,1fr);gap:9px}.stack-tile{padding:11px 7px 10px}.stack-card-name{font-size:29px;margin:9px 0 13px}.stack-strength{margin:0 3px}.dialog-card-wrap{gap:20px}.footer{font-size:9px;align-items:start}.footer .text-button{font-size:9px;padding:0}.topbar .brandname{font-size:20px}.topbar .brandtag{letter-spacing:2px;font-size:7px}.topbar .brandmark{width:26px;height:33px;font-size:21px}.topbar .brand{gap:8px}.pill{padding:7px 8px;font-size:9px}.page-heading .pill{display:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}