:root{--bg:#1a1816;--card:#232020;--border:#333;--text:#ddd;--muted:#888;--accent:#aad7ff;--warn:#ffb84d;--good:#b3de69;--bad:#ff7e94;--salmon:#fb8072;--sky:#80b1d3;--butter:#ffed6f;--lime:#b3de69;--tile:50px;--gap:5px;--sans:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--korean:"Noto Sans CJK KR", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:var(--text);background:var(--bg);font:14px var(--sans);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{background:var(--bg);min-height:100vh;margin:0}#root{flex-direction:column;width:100%;min-height:100vh;display:flex}h1{margin:0 0 6px;font-size:22px;font-weight:600}h2{margin:0 0 6px;font-size:16px;font-weight:600}p{margin:0 0 8px}button{font-family:inherit;font-size:inherit;color:var(--text);cursor:pointer;background:#ffffff0f;border:1px solid #ffffff29;border-radius:3px;padding:4px 10px;font-size:11px}button:hover{background:#ffffff1f}.app-header{border-bottom:1px solid #ffffff14;justify-content:space-between;align-items:center;padding:12px 24px;display:flex}.app-header .brand{letter-spacing:.04em;font-size:14px;font-weight:700}.app-header .user{color:var(--muted);align-items:center;gap:10px;font-size:12px;display:flex}.app-header .user img{border-radius:50%;width:24px;height:24px}.card{text-align:center;max-width:480px;margin:40px auto;padding:24px}.trainer{flex-direction:column;align-items:center;max-width:540px;margin:20px auto 60px;padding:0 16px;display:flex}.tier-bar{background:var(--card);border-radius:8px;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;margin-bottom:14px;padding:6px 12px;font-size:12px;display:flex}.tier-bar .lbl{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-right:4px;font-size:10px}.tier-bar .tier-btn{color:var(--text);cursor:pointer;background:#ffffff0f;border:1px solid #ffffff29;border-radius:3px;padding:4px 10px;font-size:11px}.tier-bar .tier-btn:hover{background:#ffffff1f}.tier-bar .tier-btn.on{background:var(--accent);color:#0a0a0a;border-color:var(--accent)}.stats{flex-wrap:wrap;justify-content:center;gap:14px;margin-bottom:14px;font-size:12px;display:flex}.stats .stat{align-items:baseline;gap:6px;display:flex}.stats .v{font-variant-numeric:tabular-nums;font-size:15px;font-weight:700}.stats .v.good{color:var(--good)}.stats .l{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-size:10px}.prompt{background:var(--card);text-align:center;border-radius:8px;flex-direction:column;justify-content:center;gap:6px;width:100%;max-width:540px;min-height:140px;margin-bottom:18px;padding:14px 22px;transition:background .18s;display:flex}.prompt.correct{background:#b3de691f}.prompt.wrong{background:#ff7e941a}.prompt .label{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:11px}.prompt .task-badge{background:var(--accent);color:#0a0a0a;letter-spacing:.04em;border-radius:3px;margin-right:6px;padding:1px 7px;font-size:9px;font-weight:600;display:inline-block}.prompt .figure{color:var(--text);font-size:30px;font-weight:600;line-height:1.1}.prompt .sub{color:var(--muted);min-height:var(--tile);justify-content:center;align-items:center;gap:8px;margin-top:4px;font-size:13px;display:flex}.prompt .sub .hint{width:var(--tile);height:var(--tile);font-family:var(--korean);font-weight:700;font-size:calc(var(--tile) * .7);border-radius:4px;justify-content:center;align-items:center;line-height:1;display:inline-flex}.prompt .sub .hint[data-color=sky]{background:var(--sky);color:#1a2438}.prompt .sub .hint[data-color=salmon]{background:var(--salmon);color:#3a1a14}.prompt .sub .hint[data-color=butter]{background:var(--butter);color:#3a2a10}.prompt .sub .hint[data-color=lime]{background:var(--lime);color:#1f3110}.prompt .sub .jamo{font-family:var(--korean);color:var(--muted);letter-spacing:.08em;font-size:18px;font-weight:500}.grid{grid-template-columns:repeat(6, var(--tile));grid-auto-rows:var(--tile);gap:var(--gap);display:grid}.cell{font-family:var(--korean);font-weight:700;font-size:calc(var(--tile) * .7);-webkit-user-select:none;user-select:none;cursor:pointer;border:none;border-radius:4px;justify-content:center;align-items:center;padding:0;line-height:1;transition:transform .1s,box-shadow .1s;display:flex;position:relative}.cell:hover:not(.placeholder){z-index:5;transform:scale(1.07);box-shadow:0 4px 12px #0006}.cell[data-color=sky]{background:var(--sky);color:#1a2438}.cell[data-color=salmon]{background:var(--salmon);color:#3a1a14}.cell[data-color=butter]{background:var(--butter);color:#3a2a10}.cell[data-color=lime]{background:var(--lime);color:#1f3110}.cell.placeholder{cursor:default;pointer-events:none;background:0 0;border:1px dashed #ffffff14}.cell.target-correct{box-shadow:0 0 0 3px var(--good), 0 4px 12px #b3de6980;z-index:5}.cell.target-wrong{box-shadow:0 0 0 3px var(--bad), 0 4px 12px #ff7e9480;z-index:5}.cell.reveal{box-shadow:0 0 0 3px var(--good), 0 4px 12px #b3de6980;z-index:5;animation:.4s ease-in-out 2 pulse}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.grid.locked .cell{cursor:default}.grid.locked .cell:hover{box-shadow:none;transform:none}.slot-tracker{background:var(--card);border-radius:8px;width:100%;max-width:540px;margin-top:24px;padding:12px 16px;font-size:11px}.slot-tracker h3{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 10px;font-size:12px;font-weight:600;display:flex}.slot-tracker h3 small{text-transform:none;letter-spacing:normal;color:var(--muted);font-size:10px;font-weight:400}.slot-tracker .rows{grid-template-columns:repeat(9,1fr);gap:3px;display:grid}.slot-tracker .section-label{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;grid-column:1/-1;margin-top:6px;padding-bottom:2px;font-size:10px;font-weight:600}.slot-tracker .section-label:first-child{margin-top:0}.slot-tracker .dcell{height:36px;font-family:var(--korean);color:var(--text);cursor:default;background:#ffffff0a;border-radius:3px;justify-content:center;align-items:center;font-size:22px;font-weight:700;display:flex;position:relative;overflow:hidden}.slot-tracker .dcell:before{content:"";background:var(--lime);opacity:calc(var(--mastery,0) * .75);pointer-events:none;position:absolute;inset:0}.slot-tracker .dcell>span{z-index:1;text-shadow:0 1px 1px #0006;position:relative}.slot-tracker .dcell.placeholder{background:0 0;border:1px dashed #ffffff14}.slot-tracker .dcell.placeholder:before{display:none}.tabs{background:var(--card);border-radius:8px;flex-wrap:wrap;justify-content:center;gap:4px;max-width:540px;margin:16px auto 20px;padding:6px;font-size:11px;display:flex}.tabs .tab{color:var(--muted);cursor:pointer;text-transform:uppercase;letter-spacing:.05em;background:0 0;border:none;border-radius:4px;padding:6px 16px;font-family:inherit;font-size:11px;font-weight:600}.tabs .tab:hover{color:var(--text)}.tabs .tab.current{background:var(--accent);color:#0a0a0a}.view-pane{max-width:720px;margin:20px auto 60px;padding:0 16px}.view-pane h1{text-align:center;margin:0 0 8px}.view-pane h2{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:24px 0 10px;font-size:14px;font-weight:600}.view-pane h2 small{text-transform:none;letter-spacing:normal;color:var(--muted);margin-left:8px;font-size:11px;font-weight:400}.view-pane .lede{color:var(--muted);text-align:center;max-width:540px;margin:0 auto 16px;font-size:12px;line-height:1.5}.view-pane .pull{border-left:2px solid var(--accent);color:var(--text);margin:14px 0;padding:6px 0 6px 12px;font-size:12px;line-height:1.5}.view-pane .pull b{color:var(--accent)}.storage-panel{background:var(--card);border-radius:8px;max-width:540px;margin:0 auto;padding:12px 16px;font-size:12px}.storage-panel h3{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:0 0 10px;font-size:12px;font-weight:600}.storage-panel h3 small{text-transform:none;letter-spacing:normal;color:var(--muted);margin-left:6px;font-size:10px;font-weight:400}.storage-row{flex-wrap:wrap;align-items:baseline;gap:16px;display:flex}.storage-bits{color:var(--lime);font-variant-numeric:tabular-nums;font-size:28px;font-weight:700}.storage-bits .of{color:var(--muted);font-size:11px;font-weight:400}.storage-mastered{color:var(--text);flex-wrap:wrap;gap:12px;font-size:12px;display:flex}.storage-mastered .pair{font-variant-numeric:tabular-nums}.storage-mastered .lbl{color:var(--muted);margin-right:4px}.view-pane .formula{color:var(--accent);font-family:var(--mono,ui-monospace, monospace);font-size:11px}.tier-roadmap{max-width:540px;margin-top:28px;margin-left:auto;margin-right:auto}.tier-roadmap h3{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:0 0 12px;font-size:12px;font-weight:600}.tier-card{background:var(--card);border-left:3px solid #0000;border-radius:8px;grid-template-columns:130px 130px 1fr;align-items:center;gap:12px;margin-bottom:6px;padding:10px 14px;font-size:12px;display:grid}.tier-card.current{border-left-color:var(--accent);background:#aad7ff0f}.tier-card-name{color:var(--text);font-weight:600}.tier-card-grid{color:var(--muted);font-variant-numeric:tabular-nums}.tier-card-bits{color:var(--lime);font-variant-numeric:tabular-nums;text-align:right}.cfg-stats{flex-wrap:wrap;justify-content:center;gap:14px;margin-bottom:14px;font-size:12px;display:flex}.cfg-stats .stat{align-items:baseline;gap:6px;display:flex}.cfg-stats .v{font-variant-numeric:tabular-nums;font-size:15px;font-weight:700}.cfg-stats .v.warn{color:var(--warn)}.cfg-stats .l{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-size:10px}.cat-switch{background:var(--card);border-radius:8px;justify-content:center;gap:4px;max-width:540px;margin-bottom:16px;margin-left:auto;margin-right:auto;padding:6px;font-size:11px;display:flex}.cat-switch .cat-btn{color:var(--muted);cursor:pointer;text-transform:uppercase;letter-spacing:.05em;background:0 0;border:none;border-radius:4px;padding:6px 14px;font-family:inherit;font-size:11px;font-weight:600}.cat-switch .cat-btn:hover{color:var(--text)}.cat-switch .cat-btn.on{background:var(--accent);color:#0a0a0a}.cfg-sections{flex-direction:column;gap:22px;display:flex}.cfg-section{padding-left:14px;position:relative}.cfg-section:before{content:"";border-radius:2px;width:3px;position:absolute;top:4px;bottom:4px;left:0}.cfg-section[data-color=sky]:before{background:var(--sky)}.cfg-section[data-color=salmon]:before{background:var(--salmon)}.cfg-section[data-color=butter]:before{background:var(--butter)}.cfg-section[data-color=lime]:before{background:var(--lime)}.cfg-section h2{text-transform:uppercase;letter-spacing:.06em;flex-wrap:wrap;align-items:baseline;gap:10px;margin:0 0 10px;font-size:12px;font-weight:700;display:flex}.cfg-section[data-color=sky] h2{color:var(--sky)}.cfg-section[data-color=salmon] h2{color:var(--salmon)}.cfg-section[data-color=butter] h2{color:var(--butter)}.cfg-section[data-color=lime] h2{color:var(--lime)}.cfg-section h2 small{text-transform:none;letter-spacing:normal;color:var(--muted);font-size:11px;font-weight:400}.cfg-cards{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}@media (width<=880px){.cfg-cards{grid-template-columns:repeat(2,1fr)}}@media (width<=600px){.cfg-cards{grid-template-columns:1fr}}.cfg-card{background:var(--card);border:1px solid #ffffff0f;border-radius:6px;flex-direction:column;gap:6px;padding:10px 12px;transition:background .15s,border-color .15s;display:flex}.cfg-card.customized{border-color:var(--accent)}.cfg-card.flagged{box-shadow:inset 3px 0 0 var(--warn)}.cfg-card-head{justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.cfg-card-text{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.cfg-card .archetype-name{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:10px;font-weight:600}.cfg-card .chosen{color:var(--text);word-break:break-word;font-size:14px;font-weight:600;line-height:1.2}.cfg-glyph{font-family:var(--korean);text-align:center;border-radius:4px;min-width:46px;padding:4px 8px;font-size:28px;font-weight:700;line-height:1}.cfg-glyph[data-color=sky]{color:var(--sky);background:#80b1d31f}.cfg-glyph[data-color=salmon]{color:var(--salmon);background:#fb80721f}.cfg-glyph[data-color=butter]{color:var(--butter);background:#ffed6f1f}.cfg-glyph[data-color=lime]{color:var(--lime);background:#b3de691f}.alternates-row{align-items:flex-start;gap:6px;margin-top:2px;display:flex}.alternates{flex-wrap:wrap;flex:1;gap:4px;display:flex}.chip{color:var(--muted);cursor:pointer;background:#ffffff0d;border:1px solid #0000;border-radius:10px;padding:2px 8px;font-family:inherit;font-size:11px}.chip:hover{color:var(--text);background:#ffffff1f}.chip.custom{color:var(--accent);background:#aad7ff14;border-color:#aad7ff2e}.chip .x{opacity:.5;cursor:pointer;margin-left:4px}.chip.custom:hover .x{opacity:1;color:var(--bad)}.trouble-btn{color:var(--muted);cursor:pointer;background:0 0;border:1px solid #ffffff1f;border-radius:3px;width:22px;height:22px;padding:0;font-family:inherit;font-weight:700}.trouble-btn:hover{color:var(--text)}.trouble-btn.on{background:var(--warn);color:#1a0e00;border-color:var(--warn)}.add-row{gap:6px;margin-top:2px;display:flex}.add-input{color:var(--text);font:inherit;background:#0000004d;border:1px solid #ffffff1f;border-radius:3px;flex:1;min-width:0;padding:3px 8px;font-size:11px}.add-input::placeholder{color:#555}.add-input:focus{border-color:var(--accent);outline:none}.add-btn{color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:1px solid #ffffff1f;border-radius:3px;padding:3px 9px;font-size:12px;font-weight:700}.add-btn:hover:not(:disabled){color:var(--text)}.add-btn:disabled{opacity:.4;cursor:default}.struct-section{margin-bottom:20px}.struct-section-label{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:8px;font-size:10px;font-weight:600}.glyph-grid{grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:6px;display:grid}.gcard{background:var(--card);text-align:center;border-top:3px solid;border-radius:6px;padding:8px 8px 10px;font-size:11px}.gcard[data-color=sky]{border-top-color:var(--sky)}.gcard[data-color=salmon]{border-top-color:var(--salmon)}.gcard[data-color=butter]{border-top-color:var(--butter)}.gcard[data-color=lime]{border-top-color:var(--lime)}.gcard .gly{font-family:var(--korean);margin-bottom:2px;font-size:36px;font-weight:700;line-height:1}.gcard .jpieces{font-family:var(--korean);color:var(--muted);letter-spacing:.04em;margin-bottom:4px;font-size:12px}.gcard .label{color:var(--muted);font-size:10px;line-height:1.3}.gcard .label b{color:var(--text);font-size:11px;font-weight:600}.link-btn{color:var(--accent);cursor:pointer;font:inherit;text-underline-offset:2px;background:0 0;border:none;padding:0;text-decoration:underline}.link-btn:hover{color:var(--text)}.stats .v.warn{color:var(--warn)}.stats .v.expired{color:var(--bad)}.overlay{z-index:100;background:#000000b3;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.overlay-card{background:var(--card);text-align:center;border:1px solid #ffffff1a;border-radius:12px;flex-direction:column;gap:14px;width:100%;max-width:420px;padding:28px 32px;display:flex}.overlay-card h2{color:var(--text);text-transform:none;letter-spacing:0;margin:0;font-size:20px;font-weight:600}.overlay-card .sub{color:var(--muted);font-size:12px}.overlay-card .summary{justify-content:center;gap:12px;margin:6px 0;display:flex}.overlay-card .item{background:#ffffff0a;border-radius:6px;flex:1;padding:10px 8px}.overlay-card .item .v{color:var(--text);font-variant-numeric:tabular-nums;font-size:22px;font-weight:700}.overlay-card .item .l{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-top:2px;font-size:10px}.overlay-card .dur-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;margin-top:4px;display:flex}.overlay-card .dur-row .lbl{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-right:4px;font-size:10px}.overlay-card .dur-pick{color:var(--text);cursor:pointer;background:#ffffff0f;border:1px solid #ffffff29;border-radius:3px;padding:4px 10px;font-size:11px}.overlay-card .dur-pick:hover{background:#ffffff1f}.overlay-card .dur-pick.on{background:var(--accent);color:#0a0a0a;border-color:var(--accent)}.overlay-card .primary{background:var(--accent);color:#0a0a0a;cursor:pointer;text-transform:uppercase;letter-spacing:.05em;border:none;border-radius:4px;margin-top:8px;padding:10px 18px;font-size:12px;font-weight:600}.overlay-card .ghost{color:var(--muted);cursor:pointer;background:0 0;border:1px solid #ffffff1f;border-radius:4px;padding:6px 12px;font-size:11px}.overlay-card .ghost:hover{color:var(--text)}.strain-stat{align-items:center;gap:8px;display:flex!important}.strain-meter{flex-direction:column;gap:3px;min-width:110px;display:flex}.strain-meter .bar-row{align-items:center;gap:6px;display:flex}.strain-meter .lbl{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;width:30px;font-size:9px}.strain-meter .bar{background:#ffffff14;border-radius:2px;flex:1;height:6px;position:relative;overflow:hidden}.strain-meter .fill{background:var(--lime);transition:width .3s,background .3s;position:absolute;top:0;bottom:0;left:0}.strain-meter .fill.warn{background:var(--warn)}.strain-meter .fill.over{background:var(--bad)}.prompt .task-badge.decompose{background:var(--warn);color:#1a0e00}.prompt .task-badge.compose{background:var(--lime);color:#1f3110}.prompt .figure.target-glyph{font-family:var(--korean);color:var(--accent);font-size:56px;line-height:1}.slot-row{justify-content:center;gap:10px;margin:6px 0 18px;padding-bottom:14px;display:flex}.slot{width:var(--tile);height:var(--tile);font-family:var(--korean);font-size:calc(var(--tile) * .6);color:var(--muted);border:2px dashed #ffffff40;border-radius:6px;justify-content:center;align-items:center;font-weight:700;display:flex;position:relative}.slot.filled{border-style:solid;border-color:var(--accent);color:var(--text)}.slot.expected{border-color:var(--warn);box-shadow:0 0 0 1px #ffb84d4d}.slot .role{font-family:var(--sans);color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-size:9px;position:absolute;bottom:-16px;left:50%;transform:translate(-50%)}.grid.jamo-grid{grid-template-columns:repeat(6, var(--tile))!important}.cell.jamo[data-jcolor=sky]{background:var(--sky);color:#1a2438}.cell.jamo[data-jcolor=salmon]{background:var(--salmon);color:#3a1a14}.cell.jamo[data-jcolor=butter]{background:var(--butter);color:#3a2a10}.cell.jamo[data-jcolor=lime]{background:var(--lime);color:#1f3110}.cell.jamo.dim{opacity:.3;pointer-events:none}.cell.jamo.jamo-wrong{box-shadow:0 0 0 3px var(--bad), 0 4px 12px #ff7e9480}.compose-preview{justify-content:center;min-height:56px;margin:6px 0 4px;display:flex}.compose-preview .pv{font-family:var(--korean);border-radius:6px;justify-content:center;align-items:center;width:60px;height:60px;font-size:42px;font-weight:700;display:inline-flex}.compose-preview .pv[data-color=sky]{background:var(--sky);color:#1a2438}.compose-preview .pv[data-color=salmon]{background:var(--salmon);color:#3a1a14}.compose-preview .pv[data-color=butter]{background:var(--butter);color:#3a2a10}.compose-preview .pv[data-color=lime]{background:var(--lime);color:#1f3110}.compose-actions{justify-content:center;gap:8px;margin-top:12px;display:flex}.compose-actions .ghost{color:var(--text);cursor:pointer;text-transform:uppercase;letter-spacing:.05em;background:#ffffff0f;border:1px solid #ffffff1f;border-radius:4px;padding:4px 14px;font-size:11px;font-weight:600}.compose-actions .ghost:hover:not(:disabled){background:#ffffff1f}.compose-actions .ghost:disabled{opacity:.4;cursor:default}.tier-bar .sep{background:#ffffff1f;width:1px;height:18px;margin:0 4px}.tier-bar .focus-btn{color:var(--muted);cursor:pointer;background:#ffffff0f;border:1px solid #ffffff29;border-radius:3px;padding:4px 10px;font-family:inherit;font-size:11px}.tier-bar .focus-btn:hover:not(:disabled){color:var(--text);background:#ffffff1f}.tier-bar .focus-btn:disabled{opacity:.4;cursor:default}.tier-bar .focus-btn.on{background:var(--warn);color:#1a0e00;border-color:var(--warn)}