:root{--font-sans:"Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--bg-primary:#070a11;--bg-secondary:#0d1117;--bg-tertiary:#161b27;--bg-card:#0d1117bf;--bg-glass:#0d1117b3;--bg-glass-hover:#161b27d9;--text-primary:#f0f4ff;--text-secondary:#8b9ab8;--text-muted:#505c78;--border-color:#ffffff0f;--border-color-hover:#ffffff1f;--border-accent:#8b5cf659;--accent:#7c3aed;--accent-hover:#a78bfa;--accent-rgb:124, 58, 237;--accent-glow:#7c3aed2e;--accent-gradient:linear-gradient(135deg, #7c3aed 0%, #2563eb 100%);--accent-gradient-soft:linear-gradient(135deg, #7c3aed26 0%, #2563eb26 100%);--accent2:#06b6d4;--accent2-rgb:6, 182, 212;--success:#10b981;--success-bg:#10b9811a;--success-border:#10b98140;--warning:#f59e0b;--warning-bg:#f59e0b1a;--warning-border:#f59e0b40;--error:#ef4444;--error-bg:#ef44441a;--error-border:#ef444440;--shadow-xs:0 1px 2px #0000001f;--shadow-sm:0 2px 4px #0003;--shadow-md:0 6px 16px #00000047;--shadow-lg:0 12px 28px #0000005c;--shadow-glow:0 0 24px #7c3aed33;--radius-xs:4px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--transition-fast:.14s ease;--transition-normal:.24s cubic-bezier(.4, 0, .2, 1);--ad-bg:#0a0c12cc;--ad-border:#ffffff0a}[data-theme=light]{--bg-primary:#f3f6fb;--bg-secondary:#fff;--bg-tertiary:#edf1f7;--bg-card:#ffffffd9;--bg-glass:#ffffffbf;--bg-glass-hover:#edf1f7f2;--text-primary:#0d1117;--text-secondary:#4b5878;--text-muted:#8b9ab8;--border-color:#00000012;--border-color-hover:#00000021;--border-accent:#6366f147;--accent:#5b21b6;--accent-hover:#4338ca;--accent-rgb:91,33,182;--accent-glow:#5b21b61a;--accent-gradient:linear-gradient(135deg, #5b21b6 0%, #1d4ed8 100%);--accent-gradient-soft:linear-gradient(135deg, #5b21b61a 0%, #1d4ed81a 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var(--shadow-md)}.btn-secondary{background-color:var(--bg-tertiary);border-color:var(--border-color);color:var(--text-secondary)}.btn-secondary:hover:not(:disabled){color:var(--text-primary);border-color:var(--border-color-hover)}.btn-accent{border-color:var(--border-accent);background:var(--accent-gradient-soft);color:var(--accent-hover)}.btn-accent:hover:not(:disabled){background:rgba(var(--accent-rgb), .22);border-color:var(--accent)}.btn-success{border-color:var(--success-border);background-color:var(--success-bg);color:var(--success)}.btn-success:hover:not(:disabled){border-color:var(--success);background-color:#10b9812e}.btn-danger{border-color:var(--error-border);background-color:var(--error-bg);color:var(--error)}.btn-danger:hover:not(:disabled){border-color:var(--error);background-color:#ef444433}.btn-sm{border-radius:var(--radius-sm);gap:5px;padding:4px 10px;font-size:12px}.btn-xs{border-radius:var(--radius-sm);gap:4px;padding:3px 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var(--border-accent);width:36px;height:36px;color:var(--accent-hover);justify-content:center;align-items:center;margin-bottom:12px;display:flex}.feature-title{color:var(--text-primary);margin-bottom:6px;font-size:14.5px;font-weight:700}.feature-desc{color:var(--text-secondary);font-size:12.5px;line-height:1.55}.faq-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);margin-bottom:24px;padding:24px 26px}.faq-section-title{color:var(--text-primary);letter-spacing:-.3px;margin-bottom:4px;font-size:20px;font-weight:800}.faq-list{flex-direction:column;gap:10px;display:flex}.faq-item{border:1px solid var(--border-color);border-radius:var(--radius-md);transition:border-color var(--transition-fast);overflow:hidden}.faq-item:hover,.faq-item.open{border-color:var(--border-accent)}.faq-question-btn{cursor:pointer;-webkit-user-select:none;user-select:none;background:var(--bg-secondary);text-align:left;width:100%;transition:background 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var(--border-color);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px;min-height:40px;padding:6px 10px;display:flex}.pane-toolbar-group{align-items:center;gap:3px;display:flex}.pane-icon-btn{border-radius:var(--radius-sm);width:28px;height:28px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:1px solid #0000;flex-shrink:0;justify-content:center;align-items:center;padding:0;display:inline-flex;position:relative}.pane-icon-btn:hover:not(:disabled){background:var(--bg-tertiary);color:var(--text-primary);border-color:var(--border-color-hover);transform:translateY(-1px)}.pane-icon-btn:active:not(:disabled){transform:translateY(0)}.pane-icon-btn:disabled{opacity:.35;cursor:not-allowed}.pane-icon-btn.active{background:var(--accent-glow);border-color:var(--border-accent);color:var(--accent-hover)}.pane-icon-btn svg{width:14px;height:14px}.pane-v-sep{background:var(--border-color);flex-shrink:0;width:1px;height:18px;margin:0 3px}.pane-fullscreen{z-index:1000!important;height:calc(100vh - 24px)!important;max-height:none!important;position:fixed!important;inset:12px!important;box-shadow:0 0 50px #000c!important}