.practice-app{--practice-paper:#fffefa;--practice-canvas:#f3f0e7;--practice-line:#ded9cc;--practice-muted:#66756f;--practice-ink:#102b25;--practice-green:#174f44;--practice-mint:#78d1b8;--practice-blue:#3f665e;--practice-amber:#d79038;--practice-coral:#c86555;min-height:100dvh;color:var(--practice-ink);background:radial-gradient(circle at 52% -10%, #78d1b833, transparent 28rem), linear-gradient(145deg, #f8f5ed, var(--practice-canvas));font-family:var(--font-sans);line-height:1.5;position:relative}.practice-app button,.practice-app input,.practice-app select{font:inherit}.practice-app button{-webkit-tap-highlight-color:transparent}.practice-app svg{width:1.2rem;height:1.2rem}.practice-topbar{z-index:80;backdrop-filter:blur(18px);background:#fffefaeb;border-bottom:1px solid #102b251a;grid-template-columns:1fr auto 1fr;align-items:center;gap:1rem;min-height:4.6rem;padding:.65rem clamp(.8rem,2vw,1.5rem);display:grid;position:sticky;top:0;box-shadow:0 8px 30px #102b250a}.practice-brand{width:max-content;color:var(--practice-ink);font-family:var(--font-display);align-items:center;gap:.65rem;font-size:1.5rem;font-weight:650;line-height:1;text-decoration:none;display:inline-flex}.practice-brand img{width:2.05rem;height:2.05rem}.mobile-progress-copy{display:none}.topbar-actions{justify-self:end;align-items:center;gap:.4rem;display:flex}.topbar-actions>button,.topbar-actions>a{min-width:2.85rem;min-height:2.85rem;color:var(--practice-muted);cursor:pointer;font-size:var(--text-readable-min);background:0 0;border:1px solid #0000;border-radius:.75rem;justify-content:center;align-items:center;gap:.45rem;padding:.65rem .8rem;font-weight:800;text-decoration:none;display:inline-flex}.topbar-actions>button:hover,.topbar-actions>a:hover{border-color:var(--practice-line);color:var(--practice-ink);background:var(--practice-paper)}.topbar-actions>button.flagged{color:#8a5a1f;background:#fff3dc}.topbar-actions .navigator-button{display:none}.topbar-progress{background:#174f4414;height:3px;position:absolute;bottom:-1px;left:0;right:0;overflow:hidden}.topbar-progress i{background:linear-gradient(90deg, var(--practice-green), var(--practice-mint));border-radius:0 99px 99px 0;height:100%;transition:width .35s;display:block}.prototype-notice{z-index:5;color:#664b25;min-height:2.35rem;font-size:var(--text-readable-min);background:#fff1d8;justify-content:center;align-items:center;gap:.65rem;padding:.45rem 1rem;display:flex;position:relative}.prototype-notice span{color:#fffaf2;font-size:var(--text-micro);letter-spacing:.08em;text-transform:uppercase;background:#8a5a1f;border-radius:.35rem;padding:.25rem .45rem;font-weight:900}.prototype-notice p{margin:0}.practice-workspace{grid-template-columns:244px minmax(0,1fr);align-items:start;width:min(1580px,100%);min-height:calc(100dvh - 6.95rem);margin-inline:auto;display:grid}.practice-workspace.has-exhibits{grid-template-columns:244px minmax(0,1fr) 330px}.session-nav{background:#f5f2ead1;border-right:1px solid #102b251a;height:calc(100dvh - 6.95rem);padding:1.1rem .8rem 1.3rem;position:sticky;top:6.95rem;overflow-y:auto}.session-nav-head{justify-content:space-between;align-items:center;padding:.35rem .45rem 1rem;display:flex}.session-nav-head span{color:var(--practice-muted);font-size:var(--text-readable-min);letter-spacing:.1em;text-transform:uppercase;font-weight:850;display:block}.session-nav-head strong{font-family:var(--font-display);margin-top:.15rem;font-size:1.15rem;display:block}.session-nav-head>button{display:none}.session-mode{background:#fffefab3;border:1px solid #174f441f;border-radius:.7rem;margin-bottom:.8rem;padding:.75rem}.session-mode span,.session-mode small{display:block}.session-mode span{color:var(--practice-green);font-size:var(--text-readable-min);font-weight:850}.session-mode small{color:var(--practice-muted);font-size:var(--text-readable-min);margin-top:.18rem;line-height:1.45}.question-map{gap:.3rem;display:grid}.question-map button{width:100%;min-height:3.7rem;color:var(--practice-muted);cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;border-radius:.72rem;grid-template-columns:2rem minmax(0,1fr) auto;align-items:center;gap:.45rem;padding:.55rem .65rem;display:grid}.question-map button:hover{color:var(--practice-ink);background:#fffefab8}.question-map button.current{color:var(--practice-ink);background:var(--practice-paper);border-color:#174f4421;box-shadow:0 5px 16px #102b250d}.question-map button>span{width:1.75rem;height:1.75rem;color:var(--practice-muted);font-size:var(--text-micro);background:#102b250f;border-radius:.48rem;place-items:center;font-weight:850;display:grid}.question-map button.answered>span{color:var(--practice-green);background:#78d1b847}.question-map button.current>span{color:var(--practice-paper);background:var(--practice-green)}.question-map strong,.question-map small{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.question-map strong{font-size:var(--text-readable-min)}.question-map small{color:var(--practice-muted);font-size:var(--text-micro);margin-top:.15rem}.question-map i{color:var(--practice-amber);font-size:var(--text-micro);font-style:normal}.navigator-key{color:var(--practice-muted);font-size:var(--text-micro);gap:.8rem;padding:1rem .45rem;display:flex}.navigator-key span{align-items:center;gap:.3rem;display:flex}.navigator-key i{background:var(--practice-line);border-radius:.2rem;width:.5rem;height:.5rem}.navigator-key .key-current{background:var(--practice-green)}.navigator-key .key-done{background:var(--practice-mint)}.exit-session{border-top:1px solid var(--practice-line);min-height:2.8rem;color:var(--practice-muted);font-size:var(--text-readable-min);align-items:center;gap:.5rem;padding:.7rem;font-weight:800;text-decoration:none;display:flex}.question-stage{width:min(900px,100% - 2rem);min-width:0;margin-inline:auto;padding:clamp(2rem,5vw,4.8rem) 0 7rem}.practice-workspace.has-exhibits .question-stage{width:min(780px,100% - 2rem)}.question-meta{justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.3rem;display:flex}.question-meta>div{color:var(--practice-green);font-size:var(--text-readable-min);letter-spacing:.045em;text-transform:uppercase;align-items:center;gap:.55rem;font-weight:850;display:flex}.question-meta i{background:var(--practice-line);border-radius:50%;width:3px;height:3px}.question-meta>small{border:1px solid var(--practice-line);color:var(--practice-muted);font-size:var(--text-micro);background:#fffefa99;border-radius:999px;padding:.35rem .55rem;font-weight:800}.question-card{background:linear-gradient(90deg, #174f4406 1px, transparent 1px) 0 0 / 28px 28px, var(--practice-paper);border:1px solid #102b251f;border-radius:1.3rem;padding:clamp(1.2rem,4vw,2.5rem);position:relative;box-shadow:0 20px 50px #102b2512,0 2px 8px #102b250a}.question-card:before{content:"";background:#d8903847;border-radius:.1rem;width:4.5rem;height:.7rem;position:absolute;top:-.35rem;right:2.2rem;transform:rotate(1.5deg)}.question-instruction{color:var(--practice-muted);font-size:var(--text-readable-min);margin-bottom:1rem;font-weight:750}.question-card>h1{max-width:800px;font-family:var(--font-sans);letter-spacing:-.032em;margin-bottom:clamp(1.7rem,4vw,2.7rem);font-size:clamp(1.25rem,2.2vw,1.72rem);font-weight:720;line-height:1.42}.question-response{position:relative}.inline-chart-button{width:100%;min-height:3.2rem;color:var(--practice-green);font-size:var(--text-readable-min);background:#edf8f4;border:1px solid #174f4426;border-radius:.75rem;align-items:center;gap:.55rem;margin:-.7rem 0 1.4rem;padding:.7rem .85rem;font-weight:850;display:none}.inline-chart-button span{color:var(--practice-muted);font-size:var(--text-micro);margin-left:auto}.answer-fieldset{border:0;margin:0;padding:0}.option-list{gap:.65rem;display:grid}.option-card{border:1px solid var(--practice-line);min-height:4.25rem;color:var(--practice-ink);cursor:pointer;background:#ffffffc2;border-radius:.85rem;grid-template-columns:2.15rem minmax(0,1fr) 1.6rem;align-items:center;gap:.75rem;padding:.75rem .9rem;transition:border-color .16s,background .16s,transform .16s,box-shadow .16s;display:grid;position:relative}.option-card:hover{border-color:#174f4461;transform:translateY(-1px)}.option-card:has(input:focus-visible){outline:3px solid var(--amber-400);outline-offset:2px}.option-card.selected{border-color:var(--practice-green);box-shadow:0 0 0 1px var(--practice-green);background:#edf8f4}.option-card.correct{background:#e7f5ef;border-color:#2c7a63;box-shadow:inset 4px 0 #2c7a63}.option-card.incorrect{background:#fff0ed;border-color:#b75c4d;box-shadow:inset 4px 0 #b75c4d}.option-card input{opacity:0;pointer-events:none;position:absolute}.option-key{border:1px solid var(--practice-line);width:2.15rem;height:2.15rem;color:var(--practice-muted);background:var(--practice-paper);font-size:var(--text-readable-min);border-radius:.6rem;place-items:center;font-weight:850;display:grid}.option-card.selected .option-key{border-color:var(--practice-green);color:var(--practice-paper);background:var(--practice-green)}.option-card.correct .option-key{color:#fff;background:#2c7a63;border-color:#2c7a63}.option-card.incorrect .option-key{color:#fff;background:#b75c4d;border-color:#b75c4d}.option-copy strong,.option-copy small{display:block}.option-copy strong{font-size:var(--text-readable-min);font-weight:680;line-height:1.45}.option-copy small{color:var(--practice-muted);font-size:var(--text-readable-min);margin-top:.2rem}.option-state{border-radius:50%;place-items:center;width:1.55rem;height:1.55rem;font-weight:900;display:grid}.option-card.correct .option-state{color:#226b56;background:#2c7a631f}.option-card.incorrect .option-state{color:#a84b3e;background:#b75c4d1c}.selection-meter{color:var(--practice-muted);font-size:var(--text-readable-min);align-items:center;gap:.75rem;margin-bottom:.85rem;font-weight:750;display:flex}.selection-meter i{background:var(--practice-line);border-radius:99px;width:7rem;height:.35rem;overflow:hidden}.selection-meter b{border-radius:inherit;background:var(--practice-green);height:100%;transition:width .2s;display:block}.matrix-progress{width:max-content;color:var(--practice-muted);background:var(--practice-canvas);font-size:var(--text-readable-min);border-radius:.4rem;margin:0 0 .75rem auto;padding:.35rem .55rem;font-weight:750}.matrix-grid{border:1px solid var(--practice-line);background:#fff;border-radius:.85rem;overflow:hidden}.matrix-head,.matrix-row{grid-template-columns:minmax(220px,1.4fr) repeat(3,minmax(90px,.6fr));display:grid}.matrix-head{min-height:3.2rem;color:var(--practice-muted);background:var(--practice-canvas);font-size:var(--text-readable-min);text-align:center;align-items:center;font-weight:850}.matrix-head span:first-child{text-align:left;padding-left:1rem}.matrix-row{border:0;border-top:1px solid var(--practice-line);margin:0;padding:0}.matrix-row legend{min-height:4.5rem;font-size:var(--text-readable-min);align-items:center;padding:.9rem 1rem;font-weight:680;line-height:1.4;display:flex}.matrix-choices{display:contents}.matrix-choices label{border-left:1px solid var(--practice-line);cursor:pointer;place-items:center;min-height:4.5rem;display:grid}.matrix-choices input{width:1.25rem;height:1.25rem;accent-color:var(--practice-green);margin:0}.matrix-choices label span{display:none}.matrix-choices label.selected{background:#edf8f4}.matrix-choices label.correct{background:#e4f5ed;box-shadow:inset 0 -3px #2c7a63}.matrix-choices label.incorrect{background:#fff0ed;box-shadow:inset 0 -3px #b75c4d}.cloze-card{border:1px solid var(--practice-line);background:#fbf8f0;border-radius:.9rem;gap:.8rem;padding:clamp(1rem,3vw,1.5rem);display:grid}.cloze-line{font-family:var(--font-display);flex-wrap:wrap;align-items:center;gap:.55rem;font-size:clamp(1.05rem,2vw,1.3rem);line-height:1.5;display:flex}.cloze-select-wrap{flex:250px;min-width:0}.practice-app .practice-select-trigger{width:100%;min-height:3.4rem;color:var(--practice-ink);cursor:pointer;font-family:var(--font-sans);text-align:left;background:#fffffff5;border:1px solid #174f4457;border-radius:.72rem;grid-template-columns:minmax(0,1fr) 2rem;align-items:center;gap:.6rem;padding:.7rem .8rem .7rem .95rem;font-size:.9rem;font-weight:760;line-height:1.35;transition:border-color .18s,box-shadow .18s,background .18s,transform .18s;display:inline-grid;box-shadow:0 1px #102b250a,inset 0 0 0 1px #fffc}.practice-select-trigger>span:first-child{overflow-wrap:anywhere;white-space:normal;min-width:0}.practice-select-trigger[data-placeholder]{color:var(--practice-muted);font-weight:650}.practice-select-trigger:hover:not(:disabled){border-color:var(--practice-green);background:#fff;box-shadow:0 6px 16px #102b2512}.practice-select-trigger[data-state=open]{border-color:var(--practice-green);background:#fff;transform:translateY(-1px);box-shadow:0 0 0 4px #d8903847,0 12px 28px #102b251f}.practice-select-trigger:disabled{cursor:default;opacity:.88}.practice-select-trigger.correct{background:#e7f5ef;border-color:#2c7a63}.practice-select-trigger.incorrect{background:#fff0ed;border-color:#b75c4d}.practice-select-chevron{width:2rem;height:2rem;color:var(--practice-green);background:#edf5f2;border-radius:.55rem;place-items:center;transition:transform .18s,background .18s;display:grid}.practice-select-chevron svg{width:1rem;height:1rem}.practice-select-trigger[data-state=open] .practice-select-chevron{background:var(--practice-mint);transform:rotate(180deg)}.practice-select-content{z-index:240;width:var(--radix-select-trigger-width);min-width:min(18rem,100vw - 1.5rem);max-width:calc(100vw - 1.5rem);max-height:min(24rem, var(--radix-select-content-available-height));color:var(--ink-950);font-family:var(--font-sans);transform-origin:var(--radix-select-content-transform-origin);backdrop-filter:blur(18px);background:#fffefafa;border:1px solid #174f4433;border-radius:1rem;animation:.18s cubic-bezier(.2,.8,.2,1) both practice-select-in;overflow:hidden;box-shadow:0 24px 65px #092c2733,0 5px 16px #092c271a}.practice-select-viewport{max-height:min(22rem, calc(var(--radix-select-content-available-height) - 1rem));overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding:.45rem;overflow-y:auto}.practice-select-label{border-bottom:1px solid var(--cream-200);margin-bottom:.3rem;padding:.65rem .72rem .72rem;display:block}.practice-select-label span,.practice-select-label strong{display:block}.practice-select-label span{color:var(--green-700);font-size:var(--text-micro);letter-spacing:.1em;text-transform:uppercase;font-weight:900}.practice-select-label strong{color:var(--ink-950);font-size:var(--text-readable-min);margin-top:.14rem}.practice-select-item{min-height:3.45rem;color:var(--ink-900);cursor:pointer;font-size:var(--text-readable-min);user-select:none;border-radius:.72rem;outline:0;grid-template-columns:2.15rem minmax(0,1fr) 1.8rem;align-items:center;gap:.65rem;padding:.55rem .62rem;font-weight:720;line-height:1.42;display:grid;position:relative}.practice-select-item[data-highlighted]{color:var(--green-950);background:var(--mint-100);box-shadow:inset 0 0 0 2px #174f447a}.practice-select-item[data-state=checked]{color:var(--green-950);background:#e1f3ed}.practice-select-item-key{border:1px solid var(--cream-300);width:2.05rem;height:2.05rem;color:var(--ink-600);font-size:var(--text-readable-min);background:#fff;border-radius:.58rem;place-items:center;font-weight:900;display:grid}.practice-select-item[data-highlighted] .practice-select-item-key,.practice-select-item[data-state=checked] .practice-select-item-key{border-color:var(--green-700);color:#fff;background:var(--green-700)}.practice-select-indicator{color:#fff;background:var(--green-700);border-radius:50%;place-items:center;width:1.7rem;height:1.7rem;display:grid}.practice-select-indicator svg{width:.9rem;height:.9rem}.practice-select-scroll{width:100%;height:2rem;color:var(--green-700);background:var(--cream-100);border:0;place-items:center;display:grid}.practice-select-scroll svg{width:1rem;height:1rem}@keyframes practice-select-in{0%{opacity:0;transform:translateY(-5px)scale(.985)}to{opacity:1;transform:translateY(0)scale(1)}}.highlight-wrap{border:1px solid var(--practice-line);background:#fbf8f0;border-radius:.9rem;padding:1.1rem}.highlight-toolbar{border-bottom:1px solid var(--practice-line);color:var(--practice-muted);font-size:var(--text-readable-min);justify-content:space-between;align-items:center;padding-bottom:.8rem;font-weight:800;display:flex}.highlight-toolbar button{min-height:2.6rem;color:var(--practice-green);cursor:pointer;font-size:var(--text-readable-min);background:#e6f3ee;border:0;border-radius:.5rem;padding:.55rem .75rem;font-weight:850}.highlight-toolbar button:disabled{opacity:.45;cursor:default}.highlight-note{font-family:var(--font-display);margin:1.2rem 0 .6rem;font-size:clamp(1.08rem,2vw,1.3rem);line-height:2.05}.highlight-note button{min-height:2.75rem;color:inherit;cursor:pointer;font:inherit;line-height:inherit;text-align:left;background:#78d1b814;border:1px dashed #174f4447;border-radius:.35rem;padding:.22rem .3rem;transition:background .15s,box-shadow .15s,transform .15s;display:inline}.highlight-note button:hover,.highlight-note button:focus-visible{background:#78d1b82e;transform:translateY(-1px);box-shadow:0 3px #174f4424}.highlight-note button.selected{background:#ffe3a8;border-style:solid;border-color:#b87725;box-shadow:inset 0 -2px #ca842c}.highlight-note button.correct{background:#ccebdd;border-color:#2c7a63;box-shadow:inset 0 -2px #2c7a63}.highlight-note button.incorrect{background:#f6cec8;border-color:#b75c4d;box-shadow:inset 0 -2px #b75c4d}.interaction-hint{color:var(--practice-muted);font-size:var(--text-readable-min)}.picker-layout{gap:.85rem;display:grid}.bowtie-layout{grid-template-columns:1fr .88fr 1fr;grid-template-areas:"actions condition monitor";align-items:start}.picker-condition{grid-area:condition}.picker-actions{grid-area:actions}.picker-monitor{grid-area:monitor}.picker-group{border:1px solid var(--practice-line);background:#fff;border-radius:.9rem;overflow:hidden}.picker-group>header{color:#fff;background:var(--practice-green);justify-content:space-between;align-items:center;gap:.7rem;min-height:4.1rem;padding:.8rem .9rem;display:flex}.picker-group>header span,.picker-group>header h3{color:inherit;display:block}.picker-group>header span{font-size:var(--text-readable-min);letter-spacing:.06em;text-transform:uppercase;opacity:.7;font-weight:850}.picker-group>header h3{font-family:var(--font-sans);font-size:var(--text-readable-min);letter-spacing:-.01em;margin:.18rem 0 0;font-weight:800}.picker-group>header b{width:1.7rem;height:1.7rem;color:var(--practice-green);background:var(--practice-mint);font-size:var(--text-readable-min);border-radius:.5rem;place-items:center;display:grid}.picker-slots{background:#eff5f2;gap:.5rem;padding:.65rem;display:grid}.picker-slot{width:100%;min-height:4.1rem;color:var(--practice-muted);cursor:pointer;text-align:left;background:#ffffffb3;border:1px dashed #174f4452;border-radius:.65rem;flex-direction:column;justify-content:center;align-items:stretch;gap:.35rem;padding:.6rem;display:flex}.picker-slot small{font-size:var(--text-readable-min);letter-spacing:.06em;text-transform:uppercase;font-weight:850}.picker-slot em{font-size:var(--text-readable-min);font-style:normal}.picker-slot>span{min-height:2.25rem;color:var(--practice-ink);font-size:var(--text-readable-min);background:#fff;border-radius:.45rem;justify-content:space-between;align-items:center;gap:.35rem;padding:.45rem .5rem;font-weight:720;display:flex;box-shadow:0 2px 7px #102b2514}.picker-slot>span i{min-width:1.65rem;min-height:1.65rem;color:var(--practice-muted);background:var(--practice-canvas);font-size:var(--text-readable-min);border-radius:50%;place-items:center;font-style:normal;display:grid}.picker-slot.filled{border-style:solid;border-color:#174f444d}.picker-slot.correct{background:#ddf1e8;border-color:#2c7a63}.picker-bank{gap:.45rem;padding:.65rem;display:grid}.picker-bank button{border:1px solid var(--practice-line);min-height:3.25rem;color:var(--practice-ink);cursor:grab;text-align:left;background:#fff;border-radius:.6rem;justify-content:space-between;align-items:center;gap:.5rem;padding:.55rem .6rem;display:flex}.picker-bank button span{font-size:var(--text-readable-min);font-weight:700;line-height:1.35}.picker-bank button b{color:var(--practice-muted);font-size:var(--text-micro);white-space:nowrap}.picker-bank button.active{border-color:var(--practice-green);box-shadow:0 0 0 1px var(--practice-green);background:#eaf7f2}.picker-bank button:disabled{cursor:default;opacity:.44}.grouping-layout .picker-slots{grid-template-columns:repeat(3,1fr)}.grouping-layout .picker-bank{grid-template-columns:repeat(2,1fr)}.grouping-layout .picker-slot{min-height:7rem}.ordered-list{counter-reset:ordered;gap:.55rem;margin:0;padding:0;list-style:none;display:grid}.ordered-list li{border:1px solid var(--practice-line);background:#fff;border-radius:.8rem;grid-template-columns:2.2rem minmax(0,1fr) auto;align-items:center;gap:.7rem;min-height:4.25rem;padding:.55rem .65rem;display:grid}.ordered-list li.correct{background:#e7f5ef;border-color:#2c7a63}.ordered-list li.incorrect{background:#fff0ed;border-color:#b75c4d}.order-number{color:#fff;background:var(--practice-green);width:2.1rem;height:2.1rem;font-family:var(--font-display);border-radius:.58rem;place-items:center;font-size:1rem;display:grid}.ordered-list p{font-size:var(--text-readable-min);margin:0;font-weight:680}.order-controls{gap:.35rem;display:flex}.order-controls button{border:1px solid var(--practice-line);width:2.75rem;height:2.75rem;color:var(--practice-green);background:var(--practice-paper);cursor:pointer;border-radius:.58rem;font-size:1rem;font-weight:900}.order-controls button:disabled{color:#a6afa9;cursor:default;opacity:.5}.trend-table-wrap{border:1px solid var(--practice-line);background:#fff;border-radius:.85rem;margin-bottom:1rem;overflow-x:auto}.trend-table{border-collapse:collapse;width:100%;min-width:620px;font-size:var(--text-readable-min)}.trend-table th,.trend-table td{border-right:1px solid var(--practice-line);border-bottom:1px solid var(--practice-line);text-align:left;padding:.75rem}.trend-table thead th{color:var(--practice-muted);background:var(--practice-canvas);font-size:var(--text-readable-min);text-transform:uppercase}.trend-table tbody th{color:var(--practice-green);background:#faf8f2}.trend-table tr:last-child>*{border-bottom:0}.trend-table 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