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#5f6368;--subtle-text: #747775;--detail-bg: #f1f3f4;--detail-value: #202124;--hairline: #e8eaed;--control-bg: transparent;--control-bg-hover: var(--brand-accent-soft);--control-border: #dadce0;--focus-ring: 0 0 0 3px color-mix(in srgb, var(--brand-accent) 24%, transparent);--scrollbar-size: 11px;--scrollbar-track: rgba(28, 39, 51, .06);--scrollbar-thumb: rgba(26, 115, 232, .34);--scrollbar-thumb-hover: rgba(25, 103, 210, .5)}:root[data-theme=dark] .tool-panel{color-scheme:dark;--brand-accent: #7baaf7;--brand-accent-strong: #9bbcf6;--brand-accent-soft: rgba(123, 170, 247, .16);--brand-accent-border: rgba(155, 188, 246, .38);--brand-accent-contrast: #111318;--danger-accent: #f2b8b5;--danger-soft: rgba(242, 184, 181, .14);--danger-border: rgba(242, 184, 181, .3);--app-bg: #111318;--app-text: #e3e3e3;--header-bg: #1f1f1f;--surface-bg: #1f1f1f;--surface-bg-strong: #202124;--surface-border: #3c4043;--surface-shadow: 0 2px 8px rgba(0, 0, 0, .24);--surface-shadow-soft: 0 1px 3px rgba(0, 0, 0, .22);--muted-text: #c4c7c5;--subtle-text: #9aa0a6;--detail-bg: #2b2c30;--detail-value: #e3e3e3;--hairline: rgba(196, 199, 197, .14);--control-bg: transparent;--control-bg-hover: var(--brand-accent-soft);--control-border: #3c4043;--scrollbar-track: rgba(196, 199, 197, .08);--scrollbar-thumb: rgba(123, 170, 247, .34);--scrollbar-thumb-hover: rgba(155, 188, 246, .5)}.tool-panel{scrollbar-width:thin;scrollbar-color:var(--scrollbar-thumb) var(--scrollbar-track)}.tool-panel *{box-sizing:border-box;scrollbar-width:thin;scrollbar-color:var(--scrollbar-thumb) var(--scrollbar-track)}.tool-panel *::-webkit-scrollbar{width:var(--scrollbar-size);height:var(--scrollbar-size)}.tool-panel *::-webkit-scrollbar-track{background:var(--scrollbar-track);border-radius:999px}.tool-panel *::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border:2px solid transparent;border-radius:999px;background-clip:padding-box}.tool-panel *::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover);background-clip:padding-box}.tool-panel{margin:0;background:var(--app-bg);color:var(--app-text);transition:background .24s ease,color .24s ease}.tool-panel button,.tool-panel input,.tool-panel textarea{font:inherit}.tool-panel button:focus-visible,.tool-panel input:focus-visible,.tool-panel textarea:focus-visible{outline:none;box-shadow:var(--focus-ring)}.tool-panel .tool-shell-header{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex:0 0 auto;border-bottom:1px solid var(--surface-border);background:var(--header-bg);box-shadow:none;padding:0 clamp(16px,3vw,30px);z-index:10}.tool-panel .tool-brand,.tool-panel .tool-header-actions,.tool-panel .tool-header-group,.tool-panel .tool-action-group,.tool-panel .tool-icon-button{display:flex;align-items:center}.tool-panel .tool-brand{min-width:0;gap:12px}.tool-panel .tool-brand-mark{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;border:1px solid var(--brand-accent-border);border-radius:10px;background:var(--brand-accent-soft);color:var(--brand-accent-strong);box-shadow:none}.tool-panel .tool-brand-title{min-width:0;margin:0;color:var(--app-text);font-size:clamp(1.05rem,2vw,1.35rem);font-weight:760;letter-spacing:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tool-panel .tool-header-actions{flex:0 0 auto;gap:12px}.tool-panel .tool-header-group{gap:6px;padding-right:12px;border-right:1px solid var(--hairline)}.tool-panel .tool-icon-button,.tool-panel .tool-action-button{min-height:38px;border:1px solid var(--control-border);border-radius:10px;background:var(--control-bg);color:var(--muted-text);transition:background .16s ease,border-color .16s ease,color .16s ease}.tool-panel .tool-icon-button{width:38px;justify-content:center}.tool-panel .tool-icon-button.compact{width:34px;min-height:34px}.tool-panel .tool-icon-button:hover,.tool-panel .tool-action-button:hover{border-color:var(--brand-accent-border);background:var(--control-bg-hover);color:var(--brand-accent-strong)}.tool-panel .tool-action-group{gap:4px;border:1px solid var(--surface-border);border-radius:12px;background:var(--detail-bg);padding:4px}.tool-panel .tool-action-button{min-height:30px;padding:0 10px;border-radius:8px;background:transparent;font-family:IBM Plex Mono,JetBrains Mono,monospace;font-size:.72rem;font-weight:700}.tool-panel .tool-workspace{min-height:0;flex:1;display:flex;overflow:hidden}.tool-panel .tool-sidebar{height:100%;min-width:250px;max-width:600px;display:flex;flex-direction:column;flex-shrink:0;border-right:1px solid var(--surface-border);background:var(--surface-bg)}.tool-panel .tool-sidebar-section{flex:0 0 auto;border-bottom:1px solid var(--hairline);padding:16px}.tool-panel .tool-eyebrow{margin:0 0 10px;color:var(--subtle-text);font-size:.72rem;font-weight:700;letter-spacing:0;text-transform:none}.tool-panel .tool-empty-state{padding:32px 10px;color:var(--subtle-text);font-size:.86rem;text-align:center}.tool-panel .tool-mini-action{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:999px;background:transparent;color:var(--subtle-text);transition:background .18s ease,color .18s ease}.tool-panel .tool-mini-action:hover{background:var(--brand-accent-soft);color:var(--brand-accent-strong)}.tool-panel .tool-mini-action.danger:hover{background:var(--danger-soft);color:var(--danger-accent)}.tool-panel .tool-muted-icon{color:var(--subtle-text)}.tool-panel .tool-range-label{margin-bottom:8px;display:flex;justify-content:space-between;color:var(--muted-text);font-size:.76rem}.tool-panel .tool-range{width:100%;height:6px;border-radius:999px;accent-color:var(--brand-accent);background:var(--detail-bg);cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none}.tool-panel .tool-editor-pane{min-width:0;min-height:0;flex:1;display:flex;flex-direction:column;overflow:hidden;padding:24px}.tool-panel .tool-editor-toolbar{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.tool-panel .tool-line-count{color:var(--subtle-text);font-family:IBM Plex Mono,JetBrains Mono,monospace;font-size:.76rem}.tool-panel .tool-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:center;justify-content:center;background:#090f1685;padding:16px}.tool-panel .tool-modal{width:min(100%,960px);max-height:85vh;display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--surface-border);border-radius:16px;background:var(--surface-bg-strong);box-shadow:var(--surface-shadow)}.tool-panel .tool-modal-header,.tool-panel .tool-modal-footer{flex:0 0 auto;padding:18px 22px;border-color:var(--hairline)}.tool-panel .tool-modal-header{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom-width:1px;border-bottom-style:solid}.tool-panel .tool-modal-title{min-width:0;margin:0;overflow:hidden;color:var(--app-text);font-family:IBM Plex Mono,JetBrains Mono,monospace;font-size:1rem;font-weight:750;text-overflow:ellipsis;white-space:nowrap}.tool-panel .tool-modal-body{min-height:0;flex:1;overflow:auto;background:var(--detail-bg);padding:22px}.tool-panel .tool-modal-custom{color:var(--muted-text);line-height:1.7}.tool-panel .tool-modal-pre{color:var(--muted-text);white-space:pre-wrap;word-break:break-word;font-family:IBM Plex Mono,JetBrains Mono,monospace;font-size:.82rem;line-height:1.7}.tool-panel .tool-modal-footer{display:flex;justify-content:flex-end;border-top-width:1px;border-top-style:solid}.tool-panel .tool-secondary-button{min-height:38px;border:1px solid var(--control-border);border-radius:12px;background:var(--control-bg);color:var(--muted-text);padding:0 16px;font-size:.86rem;font-weight:750;transition:background .18s ease,border-color .18s ease,color .18s ease}.tool-panel .tool-secondary-button:hover{border-color:var(--brand-accent-border);background:var(--control-bg-hover);color:var(--brand-accent-strong)}.tool-panel .tool-button{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:12px;font-weight:750;transition:background .18s ease,border-color .18s ease,color .18s ease,opacity .18s ease}.tool-panel .tool-button:disabled{cursor:not-allowed;opacity:.55}.tool-panel .tool-button-primary{background:var(--brand-accent);color:var(--brand-accent-contrast)}.tool-panel .tool-button-primary:hover{background:var(--brand-accent-strong)}.tool-panel .tool-button-secondary{border-color:var(--control-border);background:var(--control-bg);color:var(--muted-text)}.tool-panel .tool-button-danger{border-color:var(--danger-border);background:var(--danger-soft);color:var(--danger-accent)}.tool-panel .tool-button-ghost{background:transparent;color:var(--muted-text)}.tool-panel .tool-button-secondary:hover,.tool-panel .tool-button-ghost:hover{border-color:var(--brand-accent-border);background:var(--control-bg-hover);color:var(--brand-accent-strong)}.tool-panel .tool-button-danger:hover{background:color-mix(in srgb,var(--danger-soft) 74%,var(--danger-accent))}@media(max-width:760px){.tool-panel .tool-shell-header{min-height:66px;align-items:stretch;flex-direction:column;gap:10px;padding-top:12px;padding-bottom:12px}.tool-panel .tool-brand,.tool-panel .tool-header-actions{width:100%;justify-content:space-between}.tool-panel .tool-header-actions{gap:8px}.tool-panel .tool-header-group{padding-right:8px}.tool-panel .tool-action-group{overflow-x:auto}.tool-panel .tool-workspace{flex-direction:column;overflow-y:auto}.tool-panel .tool-sidebar{width:100%!important;max-width:none;height:auto;min-height:auto;border-right:0;border-bottom:1px solid var(--surface-border)}.tool-panel .tool-editor-pane{min-height:520px;padding:16px}.tool-panel .tool-editor-toolbar{align-items:flex-start;flex-direction:column}}.tool-panel .tool-app{height:100%;display:flex;flex-direction:column;background:var(--app-bg);color:var(--app-text)}.tool-panel .tool-brand-title{flex:1}.tool-panel .tool-action-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;white-space:nowrap}.tool-panel .tool-action-button.is-primary{border-color:var(--brand-accent);background:var(--brand-accent);color:var(--brand-accent-contrast)}.tool-panel .tool-action-button.is-primary:hover:not(:disabled){background:var(--brand-accent-strong)}.tool-panel button:disabled{opacity:.45;cursor:not-allowed}.tool-panel .tool-count{font-size:10px;border-radius:4px;padding:0 4px;background:var(--brand-accent-soft);color:var(--brand-accent-strong)}.tool-panel .tool-settings-sidebar{overflow-y:auto}.tool-panel .tool-sidebar-hint{margin:10px 0 0;color:var(--subtle-text);font-size:.76rem;line-height:1.7}.tool-panel .tool-sidebar-footer{flex:0 0 auto;display:flex;align-items:center;gap:8px;margin-top:auto;padding:16px;border-top:1px solid var(--hairline);color:var(--subtle-text);font-size:.72rem}.tool-panel .tool-sidebar-footer .tool-mono{margin-left:auto}.tool-panel .tool-upload-zone{display:flex;align-items:center;flex-direction:column;justify-content:center;gap:10px;width:100%;padding:24px 14px;border:2px dashed var(--surface-border);border-radius:12px;background:var(--detail-bg);text-align:center;transition:border-color .16s,background .16s}.tool-panel .tool-upload-zone:hover{border-color:var(--brand-accent);background:var(--brand-accent-soft)}.tool-panel .tool-upload-zone strong{font-size:.9rem;font-weight:750}.tool-panel .tool-upload-zone>span:last-child{color:var(--muted-text);font-size:.74rem;line-height:1.5}.tool-panel .tool-upload-icon{width:50px;height:50px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--brand-accent-border);border-radius:12px;background:var(--brand-accent-soft);color:var(--brand-accent)}.tool-panel .tool-inline-error{margin:10px 0 0;color:var(--danger-accent);font-size:.78rem;line-height:1.6}.tool-panel .tool-view-label{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 16px;border:1px solid var(--brand-accent-border);border-radius:10px;background:var(--brand-accent-soft);color:var(--brand-accent-strong);font-size:.86rem;font-weight:750}.tool-panel .tool-toolbar-button{display:inline-flex;align-items:center;gap:6px;min-height:34px;padding:0 10px;border:1px solid var(--control-border);border-radius:8px;background:var(--control-bg);color:var(--muted-text);font-size:.74rem}.tool-panel .tool-toolbar-button:hover{background:var(--control-bg-hover);color:var(--brand-accent-strong);border-color:var(--brand-accent-border)}.tool-panel .tool-work-panel{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--surface-border);border-radius:16px;background:var(--surface-bg);box-shadow:var(--surface-shadow)}.tool-panel .tool-primary-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:0 18px;border:1px solid var(--brand-accent);border-radius:10px;background:var(--brand-accent);color:var(--brand-accent-contrast);font-size:.86rem;font-weight:700}.tool-panel .tool-primary-button:hover:not(:disabled){background:var(--brand-accent-strong)}.tool-panel .tool-meta,.tool-panel .tool-mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:.76rem}.tool-panel .tool-meta{color:var(--subtle-text)}@media(max-width:760px){.tool-panel .tool-action-group{max-width:100%;flex-wrap:wrap}.tool-panel .tool-editor-toolbar{flex-direction:row;align-items:center;flex-wrap:wrap;gap:10px}.tool-panel .tool-settings-sidebar{overflow-y:visible}.tool-panel:not(.tool-lyrics) .tool-workspace{overflow:visible}.tool-panel:not(.tool-lyrics) .tool-editor-pane{overflow:visible;flex:none}.tool-panel .tool-view-label{padding:0 10px;font-size:.8rem}}.tool-panel .tool-resizer{position:relative;width:8px;flex:0 0 8px;cursor:col-resize;touch-action:none;background:var(--hairline);z-index:2}.tool-panel .tool-resizer:after{content:"";position:absolute;top:50%;left:2px;width:4px;height:30px;border-radius:3px;background:var(--surface-border);transform:translateY(-50%)}.tool-panel .tool-resizer:hover,.tool-panel .tool-resizer.is-active{background:var(--brand-accent-soft)}.tool-panel .tool-resizer:hover:after,.tool-panel .tool-resizer.is-active:after{background:var(--brand-accent)}.tool-panel .tool-resizer:focus-visible{outline:2px solid var(--brand-accent);outline-offset:-2px}.tool-panel .tool-workspace.is-resizing,.tool-panel .tool-workspace.is-resizing *{-webkit-user-select:none;user-select:none;cursor:col-resize}.tool-panel .tool-help-trigger{flex:0 0 auto}.tool-panel .tool-dialog{position:fixed;top:0;right:0;bottom:0;left:0;margin:auto;padding:0;width:min(760px,calc(100vw - 32px));max-height:min(85dvh,800px);color:var(--app-text)}.tool-panel .tool-dialog:not([open]){display:none}.tool-panel .tool-dialog::backdrop{background:#090f1685;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.tool-panel .tool-help-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.tool-panel .tool-help-item{display:flex;align-items:flex-start;gap:14px}.tool-panel .tool-help-icon{display:grid;place-items:center;width:42px;height:42px;flex:0 0 auto;border:1px solid var(--brand-accent-border);border-radius:12px;background:var(--brand-accent-soft);color:var(--brand-accent-strong)}.tool-panel .tool-help-item h3{margin:0 0 6px;font-size:.9rem;font-weight:750}.tool-panel .tool-help-item p{margin:0;color:var(--muted-text);font-size:.8rem;line-height:1.8}.tool-panel .tool-help-note{margin:24px 0 0;padding-top:16px;border-top:1px solid var(--surface-border);color:var(--subtle-text);font-size:.76rem;line-height:1.7}@media(max-width:760px){.tool-panel .tool-resizer{display:none}.tool-panel .tool-help-grid{grid-template-columns:minmax(0,1fr);gap:20px}.tool-panel .tool-dialog .tool-modal-header,.tool-panel .tool-dialog .tool-modal-body,.tool-panel .tool-dialog .tool-modal-footer{padding:16px}}