*,:before,:after{box-sizing:border-box}html,body{max-width:100%;overflow-x:hidden}img,video,iframe{max-width:100%;height:auto}.layakari-shell{z-index:1;flex-direction:column;min-height:100vh;padding:0 24px 32px;display:flex;position:relative}.lk-header{width:100%;max-width:1200px;padding:calc(20px + max(env(safe-area-inset-top,0px), var(--safe-area-inset-top,0px))) 0 20px;border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;gap:16px;margin:0 auto;display:flex;box-shadow:inset 0 -1px #ffffff0a}.lk-header-left{align-items:center;gap:12px;display:flex}.lk-brand{color:var(--accent-primary);font-family:var(--font-system);letter-spacing:-.02em;align-items:center;gap:8px;font-size:1.3rem;font-weight:700;text-decoration:none;display:flex}.lk-header-sep{color:var(--text-muted);opacity:.4;font-size:1rem}.lk-title{font-family:var(--font-system);color:var(--text-primary);font-size:1.2rem;font-weight:600}.lk-header-right{align-items:center;gap:12px;display:flex}.lk-inline-select{background:var(--bg-glass,#ffffff0a);color:var(--text-primary);cursor:pointer;-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23888' stroke-width='1.3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-position:right 8px center;background-repeat:no-repeat;border:1px solid #e8a83829;border-radius:8px;padding:5px 24px 5px 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.btn:disabled{border-color:#0000001a}.lk-actions-card .btn-primary{opacity:1!important}.lk-info-strip{justify-content:space-between;align-items:center;gap:12px;width:100%;max-width:1200px;margin:10px auto 0;padding:0 4px;display:flex}.lk-status{color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:.88rem;overflow:hidden}.lk-status[data-tone=error]{color:#e05050}.lk-status[data-tone=success]{color:#40b880}.lk-status[data-tone=warning]{color:#e0a040}.lk-meta-pills{flex-shrink:0;gap:8px;display:flex}.lk-pill{color:var(--text-secondary);white-space:nowrap;background:#e8a8380f;border:1px solid #e8a8381f;border-radius:999px;align-items:center;padding:4px 12px;font-size:.76rem;font-weight:600;transition:all .25s;display:inline-flex}.lk-pill.has-data{color:var(--text-primary);border-color:#e8a83838}.lk-pill-output.has-data{background:linear-gradient(135deg,#e8a8381f,#e8a8380f)}.lk-main{flex:1;width:100%;max-width:1200px;margin:14px auto 0}.lk-preview-area{background:var(--bg-elevated);border:1px solid #e8a8381a;border-radius:18px;min-height:400px;padding:18px}.lk-explain-fab{z-index:100;color:#fff;font-family:var(--font-system);letter-spacing:.02em;cursor:pointer;background:linear-gradient(135deg,#c47832,#a05a20);border:none;border-radius:999px;align-items:center;gap:8px;padding:12px 22px;font-size:.9rem;font-weight:700;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;bottom:28px;right:28px;transform:translateY(0);box-shadow:0 4px 16px #b46e2859,0 0 #e8a83800}.lk-explain-fab:disabled{opacity:.35;pointer-events:none;transform:translateY(8px)}.lk-explain-fab:not(:disabled):hover{transform:translateY(-2px);box-shadow:0 8px 28px #b46e2873,0 0 0 4px #e8a83826}.lk-explain-fab:not(:disabled):active{transform:translateY(0)}.lk-explain-fab.has-results{animation:2.5s ease-in-out fab-pulse}@keyframes fab-pulse{0%,to{box-shadow:0 4px 16px #b46e2859,0 0 #e8a83800}30%{box-shadow:0 4px 16px #b46e2859,0 0 0 10px #e8a83840}60%{box-shadow:0 4px 16px #b46e2859,0 0 #e8a83800}}#jump-to-top-btn{bottom:90px!important;right:28px!important}@media (width<=768px){#jump-to-top-btn{bottom:84px!important;right:28px!important}}.lk-fab-label{white-space:nowrap}.lk-explain-overlay{z-index:200;opacity:0;pointer-events:none;background:#00000059;transition:opacity .3s;position:fixed;inset:0}.lk-explain-overlay.is-open{opacity:1;pointer-events:auto}.lk-explain-drawer{z-index:210;background:var(--bg-surface,#faf8f4);border-left:1px solid #e8a8381f;flex-direction:column;width:min(640px,92vw);transition:transform .35s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;bottom:0;right:0;overflow:hidden;transform:translate(100%);box-shadow:-8px 0 40px #0000001f}[data-theme=dark] .lk-explain-drawer{background:var(--bg-surface,#141a2e)}.lk-explain-drawer.is-open{transform:translate(0)}.lk-drawer-header{border-bottom:1px solid #e8a8381a;flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding:18px 22px;display:flex}.lk-drawer-title{font-family:var(--font-system);color:var(--text-primary);align-items:center;gap:8px;font-size:1.05rem;font-weight:700;line-height:1;display:flex}.lk-drawer-title svg{color:var(--accent-primary,#c47832);flex-shrink:0}.lk-drawer-close{max-width:32px;height:32px;color:var(--text-secondary);cursor:pointer;border-radius:0;place-items:center;transition:color .2s,transform .2s;display:grid;box-shadow:none!important;background:0 0!important;border:none!important}.lk-drawer-close:hover{color:var(--text-primary);transform:scale(1.1);background:0 0!important}.lk-drawer-body{flex:1;padding:20px 22px;overflow-y:auto}.lk-footer-hint{width:100%;max-width:1200px;color:var(--text-muted);opacity:.7;text-align:center;margin:16px auto 0;padding:0 4px;font-size:.8rem}.layakari-empty-state{min-height:220px;color:var(--text-secondary);text-align:center;border:1px dashed #e8a83829;border-radius:14px;place-items:center;padding:24px;font-size:.94rem;display:grid}.layakari-empty-state[hidden],.layakari-explain-empty[hidden],.layakari-explain-content[hidden]{display:none!important}.layakari-explain-empty{min-height:180px;color:var(--text-secondary);text-align:center;border:1px dashed #e8a83829;border-radius:14px;place-items:center;padding:20px;font-size:.92rem;display:grid}.lk-sample-card{background:var(--bg-card);border:1px dashed #e8a83833;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;min-height:300px;padding:32px;display:flex}.lk-sample-header{justify-content:space-between;align-items:center;width:100%;max-width:600px;margin-bottom:24px;display:flex}.lk-sample-title{font-family:var(--font-system);color:var(--text-primary);margin:0;font-size:1.1rem}.lk-sample-badge{color:var(--text-muted);background:#ffffff0d;border-radius:4px;padding:4px 8px;font-size:.75rem}[data-theme=light] .lk-sample-badge{background:#0000000d}.lk-sample-caption{color:var(--text-secondary);text-align:center;margin-top:16px;font-size:.9rem}.lk-intro-slot-container.is-static,.lk-intro-slot-container.is-static .lk-intro-slot{opacity:1}.lk-intro-slot-container.is-static .lk-intro-slot.is-bol{width:auto;min-width:28px;padding:0 6px}.lk-sample-card[hidden]{display:none!important}#layakari-preview{display:none}#layakari-preview.is-visible{display:block}.layakari-explain-content{gap:14px;display:grid}.layakari-explain-selector{flex-wrap:wrap;gap:6px;display:flex}.layakari-explain-chip{color:var(--text-secondary);cursor:pointer;background:#e8a83814;border:1px solid #e8a83829;border-radius:999px;padding:6px 11px;font-size:.82rem;font-weight:600;transition:all .2s}.layakari-explain-chip:hover{color:var(--text-primary);border-color:#e8a83852}.layakari-explain-chip.is-active{text-shadow:0 1px 2px #0003;background:linear-gradient(135deg,#c47832,#a05a20);border-color:#0000;box-shadow:0 8px 22px #b46e2859;color:#fff!important}.layakari-explain-card{gap:14px;display:grid}.layakari-explain-topline{text-transform:uppercase;letter-spacing:.12em;color:var(--text-muted);font-size:.7rem}.layakari-explain-heading{gap:4px;display:grid}.layakari-explain-heading h3{font-family:var(--font-system);font-size:1.2rem;line-height:1.1}.layakari-explain-speed{color:var(--accent-primary);font-size:.9rem;font-weight:700}.layakari-explain-summary{color:var(--text-secondary);font-size:.92rem;line-height:1.55}.layakari-explain-block{background:#e8a8380a;border:1px solid #e8a83826;border-radius:14px;padding:14px 16px}[data-theme=light] .layakari-explain-block{background:#e8a8380f}.layakari-explain-block-label{text-transform:uppercase;letter-spacing:.08em;color:var(--accent-primary);margin-bottom:6px;font-size:.82rem;font-weight:700}.layakari-explain-block p{color:var(--text-secondary);margin:0;font-size:.92rem;line-height:1.6}.layakari-bol-count-note{color:var(--text-muted);white-space:nowrap;margin-left:4px;font-size:.8rem;font-style:italic}.layakari-rule-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.layakari-rule-card{background:#ffffff08;border:1px solid #e8a8381a;border-radius:12px;padding:12px}[data-theme=light] .layakari-rule-card{background:#ffffffc7}.layakari-rule-label{text-transform:uppercase;letter-spacing:.12em;color:var(--text-muted);margin-bottom:6px;font-size:.66rem}.layakari-rule-card p{color:var(--text-secondary);font-size:.88rem;line-height:1.5}.layakari-example-block,.layakari-practice-block{background:#ffffff08;border:1px solid #e8a8381a;border-radius:14px;padding:14px}[data-theme=light] .layakari-example-block,[data-theme=light] .layakari-practice-block{background:#ffffffc7}.layakari-example-header{justify-content:space-between;align-items:end;gap:12px;margin-bottom:10px;display:flex}.layakari-example-header h4,.layakari-practice-block h4{font-size:.94rem;font-weight:700}.layakari-example-header p{color:var(--text-secondary);font-size:.82rem}.layakari-example-table{border-collapse:collapse;width:100%}.layakari-example-table th,.layakari-example-table td{text-align:left;vertical-align:top;border-top:1px solid #e8a8381a;padding:8px 0}.layakari-example-table thead 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#ffffff1f}.lk-intro-grid-container{width:100%;padding-top:16px;padding-bottom:32px;position:relative}.lk-intro-grid{gap:2px;width:100%;display:grid;position:relative}.lk-intro-slot-container{opacity:0;grid-row:1;justify-content:center;align-items:center;height:40px;transition:opacity .2s;display:flex}.lk-intro-slot-container.is-visible{opacity:1}.lk-intro-slot{background:var(--border-color);color:#fff;opacity:0;border-radius:2px;justify-content:center;align-items:center;width:10px;height:10px;font-size:12px;font-weight:700;display:flex}.lk-intro-slot.is-bol{background:var(--accent-primary);border-radius:6px;width:24px;height:24px;box-shadow:0 2px 6px #e8a8384d}.lk-intro-divider-container{grid-row:1;height:100%;position:relative}.lk-intro-divider{background:var(--text-muted);opacity:.5;width:2px;position:absolute;top:-10px;bottom:-30px;left:0}.lk-intro-beat-label{color:var(--text-secondary);white-space:nowrap;font-size:.75rem;font-weight:600;position:absolute;bottom:-24px;right:0;transform:translate(50%)}.lk-intro-playhead{background:var(--accent-primary);width:2px;box-shadow:0 0 8px var(--accent-primary);z-index:10;pointer-events:none;position:absolute;top:0;bottom:24px;left:0}.lk-intro-actions{border-top:1px solid var(--border-color);justify-content:flex-end;gap:16px;margin-top:32px;padding-top:24px;display:flex}.lk-header-link{color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast,.15s ease);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:8px;display:flex}.lk-header-link:hover{color:var(--accent-primary);background:#e8a8380d}@keyframes introSlotIn{0%{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}@keyframes introBolPop{0%{opacity:0;transform:scale(.5)}60%{opacity:1;transform:scale(1.2)}to{opacity:1;transform:scale(1)}}@keyframes introPlayheadSweep{0%{transform:translate(0)}to{transform:translate(100%)}}.lk-intro-slot.is-flashing{animation:.4s ease-out introPulse}@keyframes introPulse{0%{background:var(--accent-primary);transform:scale(1);box-shadow:0 2px 6px #e8a8384d}30%{box-shadow:0 0 15px var(--accent-primary);background:#ff9838;transform:scale(1.3)}to{background:var(--accent-primary);transform:scale(1);box-shadow:0 2px 6px #e8a8384d}}