:root{--ink:#1b2c30;--ink-soft:#4d6c74;--muted:#4d6c74;--paper:#fbfdfd;--surface:#fff;--surface-2:#ebf3f5;--line:#d5e4e7;--green:#1b2c30;--green-2:#4d6c74;--lime:#d5e4e7;--blue:#275d7c;--blue-bg:#eaf3fb;--amber:#76511d;--amber-bg:#fff1d0;--red:#93483d;--red-bg:#fff0ec;--shadow:0 1px 2px #1b2c300d, 0 8px 24px #1b2c300a}.cva-sr-only{clip:rect(0, 0, 0, 0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;line-height:1.62}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent;color:inherit}:focus-visible{outline-offset:3px;outline:3px solid #4e91cb}.cva-site{min-height:100vh}.cva-header-shell{z-index:20;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#f6fafbf0;width:100%;position:sticky;top:0}.cva-header{justify-content:space-between;align-items:center;width:min(1200px,100% - 32px);min-height:96px;margin:0 auto;padding:10px 0;display:flex}.cva-brand{align-items:center;gap:16px;min-width:0;max-width:min(64vw,352px);text-decoration:none;display:inline-flex}.cva-header-primary{align-items:center;gap:16px;min-width:0;display:flex}.cva-brand-logo{object-fit:contain;flex:none;width:auto;height:56.8px}.cva-brand>span:last-child{line-height:1.25;display:grid}.cva-brand strong{letter-spacing:.02em;text-overflow:ellipsis;white-space:nowrap;font-size:18.88px;font-weight:600;overflow:hidden}.cva-brand strong span{margin-left:6px}.cva-brand-face{font-style:normal;display:inline-block;position:relative;top:-.08em}.cva-brand small{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;margin-top:0;font-size:13.44px;line-height:1.15;overflow:hidden}.cva-tool-name{color:var(--green);background:var(--surface-2);border-radius:11px;padding:9px 13px;font-size:14px;font-weight:650}.cva-header nav{align-items:center;gap:4px;display:flex}.cva-main-site-link{color:#245766;text-align:center;background:linear-gradient(135deg,#edf8fa 0%,#dceff3 100%);border:1px solid #9fc9d2;border-radius:999px;justify-content:center;align-items:center;min-height:44px;padding:9px 16px;font-size:14px;font-weight:600;line-height:1.35;text-decoration:none;display:inline-flex;box-shadow:0 8px 20px -16px #24576680}.cva-main-site-link:hover{color:#173f4b;background:#d8edf2;border-color:#77aeb9}.cva-header nav a{color:var(--ink-soft);border-radius:12px;padding:8px 12px;font-size:14px;font-weight:500;line-height:20px;text-decoration:none}.cva-header nav a:hover{color:var(--green);background:var(--surface-2)}.cva-header nav a.is-active{color:var(--ink);background:var(--surface-2)}.cva-menu-toggle{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:12px;flex:none;place-items:center;width:44px;height:44px;padding:0;display:none}.cva-menu-toggle svg,.cva-mobile-menu-heading button svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;width:20px;height:20px}.cva-mobile-menu{display:none}.cva-clear-audio{border:1px solid var(--line);min-height:40px;color:var(--ink-soft);cursor:pointer;background:#fff;border-radius:9px;padding:7px 12px;font-size:12px;font-weight:760}.cva-main{width:min(1200px,100% - 32px);margin:0 auto}.cva-hero{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:42px;padding:40px 2px 28px;display:grid}.cva-eyebrow,.cva-kicker{color:var(--green-2);letter-spacing:.08em;text-transform:uppercase;margin:0 0 6px;font-size:12px;font-weight:820}.cva-hero h1{letter-spacing:-.035em;max-width:780px;margin:0;font-size:clamp(32px,4vw,44px);font-weight:650;line-height:1.1}.cva-hero>div:first-child>p:last-child{max-width:760px;color:var(--ink-soft);margin:15px 0 0}.cva-hero-steps{gap:8px;min-width:210px;display:grid}.cva-hero-steps span{color:var(--ink-soft);align-items:center;gap:9px;font-size:13px;font-weight:720;display:flex}.cva-hero-steps b{border:1px solid var(--line);width:25px;height:25px;color:var(--green);background:var(--surface);border-radius:50%;place-items:center;font-size:12px;display:grid}.cva-card,.cva-player-section{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:18px}.cva-timeline-section{padding:24px;scroll-margin-top:100px}.cva-section-heading{justify-content:space-between;align-items:flex-start;gap:24px;display:flex}.cva-section-heading h2{letter-spacing:-.025em;margin:0;font-size:clamp(21px,2.5vw,27px);line-height:1.28}.cva-section-heading>div>p:last-child{color:var(--muted);margin:7px 0 0;font-size:14px}.cva-engine-badge{border:1px solid var(--line);min-height:36px;color:var(--ink-soft);background:var(--surface-2);white-space:nowrap;border-radius:999px;align-items:center;gap:8px;padding:6px 11px;font-size:12px;font-weight:760;display:inline-flex}.cva-engine-badge i{background:#c38a38;border-radius:50%;width:8px;height:8px}.cva-engine-badge.is-ready{color:var(--green);background:var(--surface-2)}.cva-engine-badge.is-ready i{background:#2e8e69;box-shadow:0 0 0 4px #2e8e6921}.cva-tabs{background:var(--surface-2);border-radius:12px;grid-template-columns:1fr 1fr;gap:4px;margin-top:22px;padding:4px;display:inline-grid}.cva-tabs button{min-height:44px;color:var(--ink-soft);cursor:pointer;background:0 0;border:0;border-radius:9px;padding:9px 17px;font-size:14px;font-weight:760}.cva-tabs button.is-active{color:#fff;background:var(--green);box-shadow:0 4px 12px #194f4329}.cva-input-panel{gap:10px;max-width:720px;margin-top:12px;display:grid}.cva-url-form label{margin-bottom:7px;font-size:13px;font-weight:760;display:block}.cva-url-form>div{grid-template-columns:minmax(0,1fr) auto;gap:10px;display:grid}.cva-url-form input,.cva-editor input{width:100%;min-height:48px;color:var(--ink);background:#fff;border:1px solid #c7d2cb;border-radius:10px;padding:10px 13px;font-size:16px}.cva-url-form input::placeholder{color:#8d9c97}.cva-url-form input:focus,.cva-editor input:focus{border-color:var(--green-2);outline:3px solid #4e91cb40}.cva-primary-button,.cva-secondary-button,.cva-danger-button{cursor:pointer;border-radius:10px;min-height:44px;padding:10px 16px;font-size:14px;font-weight:790}.cva-primary-button{border:1px solid var(--green);color:#fff;background:var(--green)}.cva-primary-button:hover{background:#123f35}.cva-primary-button:disabled{cursor:not-allowed;background:#9bad9f;border-color:#9bad9f}.cva-secondary-button{color:var(--green);background:var(--surface);border:1px solid #c7d2cb}.cva-secondary-button:hover{border-color:var(--green-2);background:var(--surface-2)}.cva-danger-button{color:var(--red);background:#fff;border:1px solid #e2bbb3}.cva-help{color:var(--muted);margin:9px 0 0;font-size:12px;line-height:1.55}.cva-local-fallback{color:var(--muted);justify-content:space-between;align-items:center;gap:12px;margin:0;font-size:11px;display:flex}.cva-local-fallback label{border:1px solid var(--line);min-height:52px;color:var(--green);cursor:pointer;background:#fff;border-radius:11px;flex:auto;justify-content:center;align-items:center;padding:11px 14px;font-weight:780;display:flex;position:relative;overflow:hidden}.cva-local-fallback input{opacity:0;width:1px;height:1px;position:absolute}.cva-quota{min-height:34px;color:var(--green);background:var(--surface-2);border:1px solid #bfd3c7;border-radius:999px;align-items:center;padding:7px 11px;font-size:12px;font-weight:760;display:inline-flex}.cva-analysis-actions{grid-template-columns:minmax(260px,1fr) auto;align-items:center;gap:12px;margin-top:14px;display:grid}.cva-turnstile{min-height:65px}.cva-turnstile:empty{min-height:0;display:none}.cva-login-button{justify-content:center;align-items:center;margin-top:14px;text-decoration:none;display:inline-flex}.cva-auth-loading{color:var(--muted);font-size:13px}.cva-task-progress{border:1px solid var(--line);background:var(--surface-2);border-radius:10px;grid-template-columns:minmax(190px,auto) minmax(120px,1fr) minmax(88px,auto);align-items:center;gap:12px;padding:9px 11px;display:grid}.cva-task-progress-copy{line-height:1.25;display:grid}.cva-task-progress strong{font-size:12px}.cva-task-progress small{color:var(--muted);font-size:10px}.cva-task-progress-status{align-items:center;gap:5px;display:flex}.cva-task-progress-status .cva-spinner{width:10px;height:10px;color:var(--green-2);border-width:1.5px}.cva-task-progress-bar{border-radius:999px;display:block;position:relative;overflow:hidden}.cva-task-progress progress{width:100%;height:8px;accent-color:var(--green-2);display:block}.cva-task-progress.is-busy .cva-task-progress-bar:after{border-radius:inherit;content:"";pointer-events:none;background:linear-gradient(90deg,#0000 0%,#ffffff14 28%,#ffffffeb 50%,#ffffff14 72%,#0000 100%);animation:1.35s ease-in-out infinite cva-task-progress-scan;position:absolute;inset:0;transform:translate(-110%)}@keyframes cva-task-progress-scan{to{transform:translate(110%)}}.cva-task-progress>b{color:var(--green);font-variant-numeric:tabular-nums;text-align:right;font-size:12px}.cva-dropzone{background:var(--surface);border:1.5px dashed #b8c8bf;border-radius:13px;align-items:center;gap:14px;min-height:104px;padding:18px;transition:border-color .15s,background .15s;display:flex}.cva-dropzone.is-dragging{border-color:var(--green-2);background:var(--surface-2)}.cva-dropzone input{display:none}.cva-upload-icon{width:46px;height:46px;color:var(--green);background:var(--lime);border-radius:12px;flex:none;place-items:center;font-size:23px;font-weight:800;display:grid}.cva-dropzone>div{flex:1;min-width:0;display:grid}.cva-dropzone strong{font-size:15px}.cva-dropzone span{color:var(--muted);font-size:12px}.cva-dropzone .cva-upload-icon{color:var(--green);font-size:23px}.cva-selected-file{background:var(--surface-2);border:1px solid #bfd3c7;border-radius:9px;align-items:center;gap:9px;margin-top:9px;padding:9px 11px;font-size:12px;display:flex}.cva-selected-file span{color:var(--green-2);font-weight:760}.cva-selected-file strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.cva-selected-file small{color:var(--muted);white-space:nowrap;margin-left:auto}.cva-notice{color:var(--ink-soft);background:#f6f5ef;border-radius:10px;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:10px;margin-top:16px;padding:10px 12px;font-size:13px;display:grid}.cva-notice>span{background:#fff;border-radius:7px;place-items:center;min-width:56px;min-height:25px;font-size:11px;font-weight:800;display:grid}.cva-notice p{margin:0}.cva-notice.is-working{color:var(--blue);background:var(--blue-bg)}.cva-notice.is-danger{color:var(--red);background:var(--red-bg)}.cva-notice.is-success{color:var(--green);background:var(--surface-2)}.cva-spinner{border:2px solid;border-right-color:#0000;border-radius:50%;width:15px;height:15px;animation:.7s linear infinite cva-spin}@keyframes cva-spin{to{transform:rotate(360deg)}}.cva-player-section{margin-top:0;scroll-margin-top:100px;overflow:hidden}.cva-player-heading{padding:20px 24px 17px}.cva-audio-controls{gap:10px;padding:0 20px 18px;display:grid}.cva-audio-picker{align-items:center;gap:10px;min-width:0;display:flex}.cva-file-button{border:1px solid var(--green);color:#fff;background:var(--green);cursor:pointer;border-radius:10px;flex:none;justify-content:center;align-items:center;min-height:44px;padding:10px 16px;font-size:14px;font-weight:790;display:inline-flex;position:relative;overflow:hidden}.cva-file-button:hover{background:#123f35}.cva-file-button:has(input:disabled){cursor:not-allowed;background:#9bad9f;border-color:#9bad9f}.cva-file-button input{opacity:0;width:1px;height:1px;position:absolute}.cva-selected-audio{border:1px solid var(--line);background:var(--surface-2);border-radius:10px;flex:auto;align-items:center;gap:10px;min-width:0;padding:9px 12px;display:flex}.cva-selected-audio strong{text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.cva-selected-audio small{color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap;margin-left:auto;font-size:11px}.cva-cache-notice{color:var(--green-2);margin:8px 0 0;font-size:11px;font-weight:700}.cva-audio-controls .cva-login-button{justify-self:start;margin-top:0}.cva-audio-error{margin:0 20px 18px}.cva-player-frame{color:#fff;background:#101714;width:100%;min-height:190px;position:relative;overflow:hidden}.cva-unified-progress{color:var(--ink);background:var(--surface-2);border-top:1px solid #deede529;gap:7px;padding:10px 14px 12px;display:grid}.cva-unified-progress .cva-task-progress{background:#fff;padding:7px 9px}.cva-unified-progress>p{color:var(--red);margin:0;font-size:12px;font-weight:700}.cva-player-empty{text-align:center;background:radial-gradient(circle,#e1ee8d17,#0000 16rem),linear-gradient(145deg,#15251f,#0e1512);place-content:center;justify-items:center;gap:7px;width:100%;height:100%;padding:30px;display:grid}.cva-player-empty strong{font-size:clamp(17px,2vw,22px)}.cva-player-empty>span:last-child{color:#b7c3be;max-width:560px;font-size:13px}.cva-player-icon{width:58px;height:58px;color:var(--lime);text-indent:3px;background:#ffffff0f;border:1px solid #e1ee8d4d;border-radius:50%;place-items:center;margin-bottom:5px;font-size:20px;display:grid}.cva-html-video{object-fit:contain;background:#000;display:block}.cva-audio-player{background:radial-gradient(circle at 50% 20%,#d5e66f17,#0000 34%),linear-gradient(145deg,#123a31,#0b1c17 70%);place-content:center;justify-items:center;gap:16px;width:100%;height:100%;padding:28px clamp(18px,4vw,46px) 30px;display:grid;position:relative}.cva-audio-player:after{pointer-events:none;content:"";border:1px solid #ffffff0a;position:absolute;inset:0}.cva-audio-player p{z-index:1;color:#f7fbf8;letter-spacing:.01em;text-overflow:ellipsis;white-space:nowrap;max-width:min(760px,82vw);margin:0;font-size:clamp(13px,1.5vw,16px);font-weight:690;overflow:hidden}.cva-audio-player audio{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute;overflow:hidden}.cva-audio-visual{place-items:center;width:108px;height:82px;display:grid;position:relative}.cva-audio-orbit{border:1px solid #d6e86f33;border-radius:50%;width:76px;height:76px;transition:border-color .18s,box-shadow .18s,transform .18s;position:absolute;box-shadow:0 0 34px #d6e86f14}.cva-audio-player.is-playing .cva-audio-orbit{border-color:#d6e86f6b;transform:scale(1.05);box-shadow:0 0 38px #d6e86f26}.cva-audio-art{z-index:1;align-items:center;gap:3px;height:48px;display:flex}.cva-audio-art span{transform-origin:50%;background:linear-gradient(#e2ee82,#a7bf58);border-radius:999px;width:3px;height:18%;display:block}.cva-audio-art span:nth-child(3n){height:42%}.cva-audio-art span:nth-child(4n){height:72%}.cva-audio-art span:nth-child(5n){height:94%}.cva-audio-art span:nth-child(7n){height:58%}.cva-audio-player.is-playing .cva-audio-art span{animation:.9s ease-in-out infinite alternate cva-audio-pulse}.cva-audio-player.is-playing .cva-audio-art span:nth-child(2n){animation-duration:.64s;animation-delay:-180ms}.cva-audio-player.is-playing .cva-audio-art span:nth-child(3n){animation-duration:.76s;animation-delay:-320ms}.cva-audio-player.is-playing .cva-audio-art span:nth-child(5n){animation-duration:.52s;animation-delay:-90ms}@keyframes cva-audio-pulse{0%{transform:scaleY(.55)}to{transform:scaleY(1.08)}}.cva-audio-transport{z-index:1;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#071914b8;border:1px solid #dfede524;border-radius:15px;grid-template-columns:52px minmax(160px,620px);align-items:center;gap:14px;width:min(700px,82vw);padding:9px 14px 9px 10px;display:grid;box-shadow:0 14px 34px #0000002e}.cva-audio-seek-shell{min-width:0;position:relative}.cva-audio-seek-shell.is-loop-editing{background:#dce97914;border-radius:9px;min-height:40px;padding-block:8px;box-shadow:0 0 0 2px #dce9797a}.cva-audio-play{color:#142d26;cursor:pointer;background:linear-gradient(145deg,#edf5a3,#bdcf67);border:1px solid #e1ef828a;border-radius:50%;place-items:center;width:46px;height:46px;transition:transform .15s,filter .15s;display:grid;box-shadow:0 7px 18px #0003}.cva-audio-play:hover{filter:brightness(1.05);transform:translateY(-1px)}.cva-audio-play:active{transform:translateY(0)scale(.97)}.cva-audio-play svg{fill:currentColor;width:22px;height:22px}.cva-audio-seek{z-index:2;min-width:0;display:grid;position:relative}.cva-audio-seek input{appearance:none;cursor:pointer;background:0 0;width:100%;height:24px;margin:0}.cva-audio-seek input::-webkit-slider-runnable-track{background:linear-gradient(to right, #dce979 var(--cva-progress), #e6efea2e var(--cva-progress));border-radius:999px;height:5px}.cva-audio-seek input::-webkit-slider-thumb{appearance:none;background:#e7f18b;border:3px solid #123a31;border-radius:50%;width:15px;height:15px;margin-top:-5px;box-shadow:0 0 0 2px #e7f18b47}.cva-audio-seek input::-moz-range-track{background:#e6efea2e;border-radius:999px;height:5px}.cva-audio-seek input::-moz-range-progress{background:#dce979;border-radius:999px;height:5px}.cva-audio-seek input::-moz-range-thumb{background:#e7f18b;border:3px solid #123a31;border-radius:50%;width:11px;height:11px}.cva-audio-loop-window{z-index:1;pointer-events:none;will-change:transform, width;background:#dce9794d;border:1px solid #dce979b8;border-radius:999px;min-width:3px;height:8px;position:absolute;top:8px}.cva-audio-loop-window.is-active{background:#dce9799e;box-shadow:0 0 12px #dce9793d}.cva-audio-loop-drag{z-index:4;cursor:crosshair;touch-action:none;border-radius:9px;position:absolute;inset:0}.cva-audio-loop-controls{color:#f1f8f4c7;font-variant-numeric:tabular-nums;grid-column:1/-1;justify-content:flex-end;align-items:center;gap:8px;min-height:28px;padding:1px 2px 0 58px;font-size:10px;display:flex}.cva-audio-loop-controls>div{gap:5px;display:flex}.cva-audio-loop-controls button{color:#eff7f2;min-height:28px;font:inherit;cursor:pointer;background:#ecf7f012;border:1px solid #dfede533;border-radius:7px;padding:4px 9px;font-weight:760}.cva-audio-loop-controls>button{color:#e8f28c;margin-left:auto}.cva-audio-loop-controls button:hover,.cva-audio-loop-controls button.is-active{color:#17322a;background:#dce979;border-color:#dce979}.cva-player-toolbar{justify-content:flex-start;align-items:center;gap:16px;padding:13px 16px;display:flex}.cva-player-message{border-top:1px solid var(--line);color:var(--ink-soft);background:var(--surface-2);justify-content:space-between;align-items:center;gap:12px;padding:10px 16px;font-size:12px;display:flex}.cva-player-message a{color:var(--green);white-space:nowrap;font-weight:780}.cva-rate-controls{align-items:center;gap:6px;display:flex}.cva-rate-controls>span{color:var(--muted);margin-right:3px;font-size:12px}.cva-rate-controls button{border:1px solid var(--line);min-width:48px;min-height:40px;color:var(--ink-soft);background:var(--surface);cursor:pointer;border-radius:9px;font-size:13px;font-weight:760}.cva-rate-controls button.is-active{border-color:var(--green);color:#fff;background:var(--green)}.cva-stem-workspace{border-top:1px solid var(--line);background:var(--surface-2);padding:18px 20px 20px}.cva-stem-heading{justify-content:space-between;align-items:center;gap:16px;display:flex}.cva-stem-heading h3{letter-spacing:-.015em;margin:0;font-size:18px}.cva-stem-heading-actions{justify-content:flex-end;align-items:center;gap:9px;display:flex}.cva-stem-heading-actions span{max-width:320px;color:var(--muted);font-size:10px}.cva-stem-heading-actions button{border:1px solid var(--green);color:#fff;background:var(--green);cursor:pointer;border-radius:9px;min-height:36px;padding:6px 12px;font-size:11px;font-weight:760}.cva-stem-heading-actions button:disabled{opacity:.5;cursor:wait}.cva-stem-unsupported,.cva-stem-state{color:var(--muted);font-size:12px;font-weight:700}.cva-stem-state.is-limit{color:var(--red)}.cva-stem-progress{grid-template-columns:auto minmax(120px,1fr) auto auto;align-items:center;gap:12px;margin-top:14px;display:grid}.cva-stem-progress>span{color:var(--ink-soft);font-size:12px;font-weight:700}.cva-stem-progress progress{width:100%;height:8px;accent-color:var(--green-2)}.cva-stem-progress>b{color:var(--green);font-variant-numeric:tabular-nums;font-size:12px}.cva-stem-progress.is-error>span,.cva-stem-progress.is-error>b{color:var(--red)}.cva-stem-progress.is-error progress{accent-color:var(--red)}.cva-stem-progress button{border:1px solid var(--line);min-height:34px;color:var(--green);cursor:pointer;background:#fff;border-radius:8px;padding:5px 10px;font-size:11px;font-weight:730}.cva-stem-error{color:var(--red);margin:12px 0 0;font-size:12px}.cva-stem-mixer{gap:12px;margin-top:14px;display:grid}.cva-stem-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.cva-stem-row{border:1px solid var(--line);background:var(--surface);border-radius:11px;grid-template-columns:9px minmax(46px,auto) auto minmax(100px,1fr);align-items:center;gap:10px;padding:11px 12px;display:grid}.cva-stem-color{border-radius:999px;width:9px;height:32px}.cva-stem-row strong{font-size:13px}.cva-stem-switches{gap:4px;display:flex}.cva-stem-switches button{border:1px solid var(--line);width:34px;height:34px;color:var(--ink-soft);background:var(--surface-2);cursor:pointer;border-radius:8px;font-size:11px;font-weight:780}.cva-stem-switches button.is-active{border-color:var(--green);color:#fff;background:var(--green)}.cva-stem-switches button.is-pitch{color:#245766;background:#edf8fa;border-color:#9fc9d2}.cva-stem-switches button.is-pitch.is-active{color:#fff;background:#3f8292;border-color:#3f8292}.cva-stem-switches button:disabled{opacity:.45;cursor:wait}.cva-stem-volume{grid-template-columns:auto minmax(70px,1fr);align-items:center;gap:8px;display:grid}.cva-stem-volume span{color:var(--muted);font-size:10px}.cva-stem-volume input{width:100%;accent-color:var(--green-2)}.cva-stem-download{align-items:center;gap:12px;display:flex}.cva-stem-download button{border:1px solid var(--green);color:#fff;background:var(--green);cursor:pointer;border-radius:9px;min-height:40px;padding:8px 15px;font-size:12px;font-weight:760}.cva-stem-download button:disabled{border-color:var(--line);color:var(--muted);background:var(--surface-2);cursor:not-allowed}.cva-stem-download span{color:var(--muted);font-size:11px}.cva-note-panel{background:#fff;border:1px solid #bfd4d8;border-radius:11px;gap:10px;padding:12px;display:grid}.cva-note-toolbar{justify-content:space-between;align-items:center;gap:14px;display:flex}.cva-note-toolbar strong{color:var(--ink);font-size:13px}.cva-note-controls{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.cva-note-loop-actions{gap:5px;display:flex}.cva-note-loop-actions button{color:#245766;cursor:pointer;background:#edf8fa;border:1px solid #b7d2d8;border-radius:8px;min-height:32px;padding:5px 9px;font-size:10px;font-weight:760}.cva-note-loop-actions button.is-active{color:#fff;background:#3f8292;border-color:#3f8292}.cva-note-zoom{flex:none;grid-template-columns:auto minmax(120px,190px);align-items:center;gap:8px;display:grid}.cva-note-zoom span{color:#245766;white-space:nowrap;font-size:10px;font-weight:760}.cva-note-zoom input{accent-color:#3f8292;width:100%}.cva-note-running{color:#245766;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;font-size:10px;font-weight:730;display:grid}.cva-note-progress{accent-color:#3f8292;width:100%;height:7px}.cva-note-error{color:var(--red);margin:0;font-size:11px}.cva-piano-roll-shell{border:1px solid var(--line);background:#f8fbfc;border-radius:9px;max-height:370px;overflow:hidden}.cva-piano-roll{overscroll-behavior:contain;scrollbar-gutter:stable;max-height:368px;overflow:auto}.cva-piano-canvas{cursor:crosshair;touch-action:pan-y;background:linear-gradient(#f0f7f875,#ffffffe0);min-width:100%;position:relative}.cva-piano-canvas>i{z-index:0;pointer-events:none;background:#e3ecee;height:1px;position:absolute;left:0;right:0}.cva-piano-canvas>i.is-do{background:#bdd4d8;height:2px}.cva-pitch-contour{z-index:1;pointer-events:none;width:100%;height:100%;position:absolute;inset:0;overflow:visible}.cva-pitch-contour polyline{fill:none;stroke:#3f82926b;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}.cva-piano-note{z-index:2;color:#fff;text-overflow:ellipsis;white-space:nowrap;pointer-events:none;background:#3f8292;border:1px solid #ffffff9e;border-radius:5px;align-items:center;min-width:34px;height:18px;padding:0 5px;font-size:9px;font-weight:780;line-height:1;display:flex;position:absolute;overflow:hidden;box-shadow:0 2px 6px #24576629}.cva-piano-cursor{z-index:4;pointer-events:none;will-change:transform;background:#d0674d;width:2px;position:absolute;top:0;bottom:0;left:0;box-shadow:0 0 0 1px #d0674d1f}.cva-note-loop-window{z-index:3;pointer-events:none;will-change:transform, width;background:#3f82921a;border-inline:2px solid #3f8292;min-width:3px;position:absolute;top:0;bottom:0;left:0}.cva-note-loop-window[hidden]{display:none}.cva-note-loop-window.is-active{background:#dce9792b;border-color:#9dad49}.cva-stem-download-backdrop{z-index:90;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#102a226b;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.cva-stem-download-dialog{background:var(--surface);border:1px solid #c9d7ce;border-radius:16px;width:min(480px,100%);padding:20px;box-shadow:0 22px 70px #0d2b2238}.cva-stem-download-dialog-heading{justify-content:space-between;align-items:flex-start;gap:18px;display:flex}.cva-stem-download-dialog-heading h3{margin:0;font-size:19px}.cva-stem-download-dialog-heading p{color:var(--muted);margin:5px 0 0;font-size:12px}.cva-stem-download-dialog-heading>button{border:1px solid var(--line);width:34px;height:34px;color:var(--ink-soft);background:var(--surface-2);cursor:pointer;border-radius:50%;font-size:20px;line-height:1}.cva-stem-download-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:18px;display:grid}.cva-stem-download-options label{border:1px solid var(--line);background:var(--surface);cursor:pointer;border-radius:11px;grid-template-columns:20px 8px 1fr;align-items:center;gap:9px;min-height:48px;padding:9px 12px;font-size:13px;font-weight:740;display:grid}.cva-stem-download-options label.is-selected{border-color:var(--green-2);background:var(--surface-2)}.cva-stem-download-options input{width:18px;height:18px;accent-color:var(--green);margin:0}.cva-stem-download-options i{border-radius:999px;width:8px;height:25px}.cva-stem-download-error{color:var(--red);margin:12px 0 0;font-size:12px}.cva-stem-download-actions{justify-content:flex-end;gap:8px;margin-top:18px;display:flex}.cva-stem-download-actions button{border:1px solid var(--line);min-height:40px;color:var(--ink-soft);background:var(--surface);cursor:pointer;border-radius:9px;padding:8px 15px;font-size:12px;font-weight:760}.cva-stem-download-actions button.is-primary{border-color:var(--green);color:#fff;background:var(--green)}.cva-stem-download-actions button:disabled,.cva-stem-download-dialog-heading>button:disabled{opacity:.55;cursor:not-allowed}.cva-timeline-section{margin-top:22px}.cva-timeline-heading{align-items:center}.cva-chord-display-toggle{border:1px solid var(--line);background:var(--surface-2);border-radius:11px;grid-template-columns:1fr 1fr;gap:3px;padding:3px;display:inline-grid}.cva-chord-display-toggle button{min-width:88px;min-height:36px;color:var(--ink-soft);cursor:pointer;background:0 0;border:0;border-radius:8px;padding:7px 12px;font-size:11px;font-weight:780}.cva-chord-display-toggle button:hover{color:var(--ink);background:#fff}.cva-chord-display-toggle button.is-active{color:#fff;background:var(--green);box-shadow:0 3px 9px #194f432b}.cva-timeline-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.cva-layer-toolbar{border:1px solid var(--line);background:var(--surface-2);border-radius:12px;align-items:center;gap:10px;margin-top:16px;padding:7px 8px;display:flex}.cva-layer-tabs{background:var(--surface-2);border-radius:9px;flex:none;grid-template-columns:repeat(3,minmax(0,1fr));padding:3px;display:inline-grid}.cva-layer-tabs button{min-height:34px;color:var(--ink-soft);white-space:nowrap;cursor:pointer;background:0 0;border:0;border-radius:7px;padding:6px 11px;font-size:11px;font-weight:780}.cva-layer-tabs button:hover:not(:disabled):not(.is-active){background:var(--surface)}.cva-layer-tabs button.is-active{color:#fff;background:var(--green)}.cva-layer-tabs button:disabled{opacity:.45;cursor:not-allowed}.cva-layer-toolbar p{color:var(--muted);margin:0;font-size:11px;line-height:1.4}.cva-text-button{border:1px solid var(--line);min-height:42px;color:var(--green);cursor:pointer;background:#fff;border-radius:9px;padding:7px 11px;font-size:12px;font-weight:760}.cva-text-button:hover{border-color:var(--green-2);background:var(--surface-2)}.cva-text-button:disabled{color:#87958f;cursor:not-allowed;background:#f1f0ea}.cva-toggle{min-height:42px;color:var(--ink-soft);cursor:pointer;align-items:center;gap:8px;font-size:12px;font-weight:720;display:inline-flex}.cva-toggle input{width:18px;height:18px;accent-color:var(--green)}.cva-empty-timeline{text-align:center;justify-items:center;padding:42px 20px 28px;display:grid}.cva-empty-timeline strong{margin-top:13px;font-size:17px}.cva-empty-timeline p{color:var(--muted);margin:4px 0 16px;font-size:13px}.cva-timeline-error{color:var(--red);background:var(--red-bg);border:1px solid #e2bbb3;border-radius:12px;justify-content:space-between;align-items:center;gap:18px;margin-top:20px;padding:16px;display:flex}.cva-timeline-error strong{font-size:15px}.cva-timeline-error p{margin:3px 0 0;font-size:12px}.cva-timeline-error button{flex:none}.cva-empty-grid{grid-template-columns:repeat(4,40px);gap:6px;display:grid}.cva-empty-grid span{border:1px solid var(--line);background:#f5f3ec;border-radius:7px;height:32px}.cva-analysis-progress{background:var(--surface-2);border:1px solid #bfd3c7;border-radius:14px;gap:20px;margin-top:22px;padding:22px;display:grid}.cva-progress-header{justify-content:space-between;align-items:flex-start;gap:18px;display:flex}.cva-progress-header>div{display:grid}.cva-progress-header>.cva-spinner{width:21px;height:21px;color:var(--green-2);border-width:2px;flex:none;margin-top:4px}.cva-progress-kicker{color:var(--green-2);letter-spacing:.08em;font-size:11px;font-weight:820}.cva-progress-header strong{margin-top:3px;font-size:18px;line-height:1.35}.cva-progress-header p{color:var(--ink-soft);margin:4px 0 0;font-size:13px}.cva-progress-track{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;display:grid}.cva-progress-track>span{background:#d6dfd9;border-radius:999px;height:7px;overflow:hidden}.cva-progress-track>span.is-complete{background:var(--green-2)}.cva-progress-track>span.is-active{background:linear-gradient(90deg, #9ebcaf 15%, var(--green-2) 50%, #9ebcaf 85%);background-size:220% 100%;animation:1.15s ease-in-out infinite cva-progress-scan}@keyframes cva-progress-scan{0%{background-position:100% 0}to{background-position:-100% 0}}.cva-progress-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.cva-progress-steps li{min-width:0;color:var(--muted);align-items:center;gap:9px;display:flex}.cva-progress-steps li>span{background:var(--surface);border:1px solid #c6d0ca;border-radius:50%;flex:none;place-items:center;width:28px;height:28px;font-size:11px;font-weight:820;display:grid}.cva-progress-steps li>div{min-width:0;display:grid}.cva-progress-steps strong{text-overflow:ellipsis;white-space:nowrap;font-size:12px;line-height:1.35;overflow:hidden}.cva-progress-steps small{font-size:10px}.cva-progress-steps li.is-active{color:var(--green)}.cva-progress-steps li.is-active>span{border-color:var(--green);color:#fff;background:var(--green)}.cva-progress-steps li.is-complete{color:var(--green-2)}.cva-progress-steps li.is-complete>span{border-color:var(--green-2);color:#fff;background:var(--green-2)}.cva-progress-cancel{justify-self:start}.cva-capo-panel{background:#f7faf7;border:1px solid #bfd3c7;border-radius:12px;gap:9px;margin-top:12px;padding:11px;display:grid}.cva-capo-summary{grid-template-columns:minmax(0,1fr) minmax(112px,auto);align-items:center;gap:12px;display:grid}.cva-capo-summary>div,.cva-capo-summary>span{min-width:0;display:grid}.cva-capo-summary>span{justify-items:end}.cva-capo-summary small{color:var(--muted);letter-spacing:.04em;font-size:9px;font-weight:740}.cva-capo-summary strong{overflow-wrap:anywhere;font-size:13px;line-height:1.35}.cva-capo-summary b{color:var(--green);white-space:nowrap;font-size:15px}.cva-loop-toggle{color:#245766;cursor:pointer;background:#edf8fa;border:1px solid #9fc9d2;border-radius:8px;min-height:34px;margin-top:5px;padding:6px 11px;font-size:11px;font-weight:780}.cva-loop-toggle:hover,.cva-loop-toggle.is-active{color:#fff;background:#3f8292;border-color:#3f8292}.cva-loop-controls{background:#edf8fa;border:1px solid #bdd9df;border-radius:9px;justify-content:space-between;align-items:center;gap:10px;padding:9px 10px;display:flex}.cva-loop-controls>span{color:#245766;font-size:11px;font-weight:700}.cva-loop-controls>div{gap:6px;display:flex}.cva-loop-controls button{color:#245766;cursor:pointer;background:#fff;border:1px solid #9fc9d2;border-radius:8px;min-height:34px;padding:6px 10px;font-size:11px;font-weight:760}.cva-loop-controls button:first-child{color:#fff;background:#3f8292}.cva-loop-controls button:disabled{opacity:.45;cursor:not-allowed}.cva-capo-controls{flex-wrap:wrap;gap:6px;display:flex}.cva-capo-controls button,.cva-capo-controls label{border:1px solid var(--line);min-height:42px;color:var(--ink-soft);background:var(--surface);border-radius:9px;align-items:center;font-size:11px;font-weight:760;display:inline-flex}.cva-capo-controls button{cursor:pointer;padding:8px 13px}.cva-capo-controls button:hover{border-color:var(--green-2);background:var(--surface-2)}.cva-capo-controls button.is-active{border-color:var(--green);color:#fff;background:var(--green)}.cva-capo-controls .cva-chord-loop-toggle{color:#245766;background:#edf8fa;border-color:#9fc9d2;margin-left:auto}.cva-capo-controls .cva-chord-loop-toggle.is-active{color:#fff;background:#3f8292;border-color:#3f8292}.cva-chord-loop-status{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:6px;display:flex}.cva-chord-loop-status span{color:var(--muted);font-variant-numeric:tabular-nums;margin-right:auto;font-size:10px}.cva-chord-loop-status button{color:#245766;cursor:pointer;background:#edf8fa;border:1px solid #b7d2d8;border-radius:8px;min-height:31px;padding:5px 9px;font-size:10px;font-weight:760}.cva-capo-controls label{gap:7px;padding:3px 4px 3px 10px}.cva-capo-controls label.is-active{border-color:var(--green);box-shadow:inset 0 0 0 1px var(--green)}.cva-capo-controls select{min-height:28px;color:var(--ink);background:var(--surface-2);cursor:pointer;border:0;border-radius:6px;font-size:11px;font-weight:760}.cva-capo-dialog-backdrop{z-index:1000;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#0c27216b;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.cva-capo-dialog{background:var(--surface);border:1px solid #b8ccc1;border-radius:16px;width:min(440px,100%);padding:18px;box-shadow:0 24px 70px #0c27213d}.cva-capo-dialog-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;display:flex}.cva-capo-dialog-heading h3{margin:0;font-size:18px}.cva-capo-dialog-heading button{border:1px solid var(--line);width:34px;height:34px;color:var(--ink);background:var(--surface-2);cursor:pointer;border-radius:50%;font-size:21px;line-height:1}.cva-capo-dialog-grid{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.cva-capo-dialog-grid button{border:1px solid var(--line);min-height:44px;color:var(--ink-soft);background:var(--surface-2);cursor:pointer;border-radius:10px;font-size:12px;font-weight:760}.cva-capo-dialog-grid button:hover{border-color:var(--green-2);background:#fff}.cva-capo-dialog-grid button.is-active{border-color:var(--green);color:#fff;background:var(--green)}.cva-capo-panel>p{color:var(--muted);margin:0;font-size:10px}.cva-chord-grid{overscroll-behavior:contain;scrollbar-gutter:stable;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;max-height:min(52vh,390px);margin-top:12px;padding-right:3px;display:grid;overflow:hidden auto}.cva-chord-card{border:1px solid var(--line);text-align:left;background:var(--surface-2);touch-action:manipulation;cursor:pointer;border-radius:10px;grid-template-columns:minmax(34px,.65fr) minmax(78px,1.35fr);align-items:center;gap:8px;min-width:0;min-height:48px;padding:8px 10px;display:grid;position:relative}.cva-chord-card:hover{background:#fff;border-color:#9fb6aa}.cva-chord-card.is-selected{box-shadow:inset 0 0 0 2px #4e91cb}.cva-chord-card.is-selecting{cursor:crosshair;grid-template-columns:20px minmax(34px,.65fr) minmax(78px,1.35fr)}.cva-chord-card.has-loop-marker{grid-template-columns:20px minmax(34px,.65fr) minmax(78px,1.35fr)}.cva-chord-card.is-active{border-color:var(--green);color:#fff;background:var(--green);box-shadow:0 6px 16px #194f432e}.cva-chord-card.is-active.is-selected{box-shadow:inset 0 0 0 2px #7ec4df,0 6px 16px #194f432e}.cva-chord-card strong{text-align:center;text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:19px;line-height:1.15;overflow:hidden}.cva-chord-time{min-width:0;color:var(--ink-soft);text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;font-size:11px;font-weight:650;line-height:1.2}.cva-chord-card.is-active .cva-chord-time{color:#dce8e3}.cva-loop-check{color:#fff;background:#fff;border:1px solid #8eb9c3;border-radius:5px;place-items:center;width:17px;height:17px;font-size:11px;font-weight:900;display:grid}.cva-chord-card.is-selected .cva-loop-check{background:#3f8292}.cva-about{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:16px;grid-template-columns:minmax(0,1fr) 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