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#ffffff29;border-radius:12px;margin-top:22px;padding:10px 22px;font-size:14px;font-weight:500;transition:background .14s,transform .14s}.progress-overlay__cancel:hover{background:#ff5a5a29;border-color:#ff5a5a66}.progress-overlay__cancel:active{transform:scale(.97)}.semitone-toggle{flex-direction:column;gap:6px;display:flex}.semitone-toggle__label{letter-spacing:.02em;text-transform:uppercase;color:#8e8e93;font-size:.78rem;font-weight:600}.semitone-toggle__track{cursor:pointer;background:#2c2c2ef2;border:1px solid #545458cc;border-radius:999px;width:96px;height:44px;padding:0;position:relative}.semitone-toggle__thumb{color:#fff;background:#0a84ff;border-radius:999px;justify-content:center;align-items:center;width:42px;height:36px;font-size:1.1rem;font-weight:700;transition:transform .2s;display:inline-flex;position:absolute;top:3px;left:3px;box-shadow:0 2px 8px #0a84ff59}.semitone-toggle__track--flat .semitone-toggle__thumb{transform:translate(48px)}.app-shell{--library-width:clamp(240px, 28vw, 300px);grid-template-columns:var(--library-width) minmax(0, 1fr);color:#f2f2f7;background:#000;min-height:100vh;transition:grid-template-columns .28s cubic-bezier(.4,0,.2,1);display:grid}.app-shell--library-collapsed{--library-width:0px}.app-library-slot{min-width:0;height:100vh;position:relative;overflow:hidden}.app-library-expand-tab{z-index:40;color:#ebebf5;cursor:pointer;background:#2c2c2ef5;border:1px solid #545458a6;border-left:none;border-radius:0 14px 14px 0;justify-content:center;align-items:center;width:34px;height:68px;padding:0;transition:background .12s,transform .12s;display:inline-flex;position:fixed;top:50%;left:0;transform:translateY(-50%);box-shadow:4px 0 18px #00000047}.app-library-expand-tab svg{width:18px;height:18px}.app-library-expand-tab:hover{background:#3a3a3cfa}.app-library-expand-tab:active{transform:translateY(-50%)scale(.96)}.app-main{flex-direction:column;min-width:0;min-height:100vh;display:flex}.app-main--edit{grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,1fr) min(380px,34vw);min-height:100vh;display:grid}.app-main__body{flex-direction:column;min-width:0;min-height:0;display:flex;overflow:hidden}.app-topbar{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#1c1c1eeb;border-bottom:1px solid #54545873;flex-shrink:0;justify-content:space-between;align-items:flex-start;gap:16px;padding:18px 22px 10px;display:flex}.app-topbar h1{letter-spacing:-.03em;margin:0;font-size:1.6rem;font-weight:700}.app-topbar__subtitle{color:#8e8e93;margin:4px 0 0;font-size:.95rem}.app-topbar__status{color:#636366;white-space:nowrap;padding-top:6px;font-size:.82rem}.app-controls{background:#1c1c1eb8;flex-wrap:wrap;flex-shrink:0;align-items:center;gap:14px 18px;padding:14px 22px;display:flex}.app-controls__upload,.app-controls__field{letter-spacing:.02em;text-transform:uppercase;color:#8e8e93;flex-direction:column;gap:6px;font-size:.78rem;font-weight:600;display:flex}.app-controls__upload input[type=file]{color:#f2f2f7;min-height:44px;font-size:.95rem}.app-controls__field select{color:#f2f2f7;background:#2c2c2ef2;border:1px solid #545458cc;border-radius:12px;min-width:120px;min-height:44px;padding:0 12px;font-size:1rem}.app-controls__playback{flex-wrap:wrap;align-items:center;gap:12px 16px;display:flex}.app-message{color:#64d2ff;flex-shrink:0;margin:0;padding:8px 22px 0;font-size:.92rem}.app-workspace{flex:1;min-height:0;padding:14px 22px 24px;overflow:auto}.app-placeholder{text-align:center;background:#1c1c1ee6;border:1px dashed #545458cc;border-radius:20px;flex-direction:column;justify-content:center;align-items:center;min-height:420px;padding:40px 28px;display:flex}.app-placeholder p{color:#aeaeb2;margin:0;font-size:1.05rem}.app-placeholder__hint{color:#636366!important;margin-top:10px!important;font-size:.9rem!important}@media (width<=900px){.app-shell{grid-template-rows:auto minmax(0,1fr);grid-template-columns:1fr}.app-library-slot{width:100%;height:auto;max-height:220px;transition:max-height .28s cubic-bezier(.4,0,.2,1)}.app-shell--library-collapsed .app-library-slot{max-height:0}.score-library{border-bottom:1px solid #545458a6;border-right:none}.app-main--edit{grid-template-rows:minmax(0,1fr) minmax(220px,34vh);grid-template-columns:1fr}}@media (width>=1024px){.app-topbar h1{font-size:1.85rem}.app-controls__upload input[type=file],.app-controls__field select{min-height:48px}}