:root,[data-theme=light]{--bg-page: #fafaf8;--bg-card: #ffffff;--bg-secondary: #f4f2ee;--bg-hover: #f0f0f0;--bg-input: #ffffff;--text-primary: #1a1a1a;--text-secondary: #6b6b6b;--text-muted: #999999;--border-default: #e6e3de;--border-subtle: #f0f0f0;--shadow-card: none;--shadow-card-hover: 0 0 0 1px rgba(0,0,0,.08);--shadow-modal: 0 0 0 1px rgba(0,0,0,.06), 0 8px 32px rgba(0,0,0,.12);--accent: #2563eb;--accent-hover: #1d4ed8;--accent-light: #2563eb15;--status-good-bg: #22c55e20;--status-good-text: #22c55e;--status-active-bg: #3b82f620;--status-active-text: #3b82f6;--status-warning-bg: #f9731620;--status-warning-text: #f97316;--status-error-bg: #ff363820;--status-error-text: #ff3638;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-serif: "Hedvig Letters Serif", Georgia, serif;--font-mono: "Inconsolata", "Courier New", monospace;--color-bg: var(--bg-page);--color-bg-primary: var(--bg-page);--color-bg-secondary: var(--bg-secondary);--color-bg-card: var(--bg-card);--color-bg-surface: var(--bg-secondary);--color-bg-hover: var(--bg-hover);--color-text-primary: var(--text-primary);--color-text-secondary: var(--text-secondary);--color-text-muted: var(--text-muted);--color-border: var(--border-default);--color-border-hover: var(--border-default);--color-border-subtle: var(--border-subtle);--color-accent: var(--accent);--color-accent-hover: var(--accent-hover);--color-accent-light: var(--accent-light);--color-success: #1a1a1a;--color-warning: #6b6b6b;--color-danger: #b0b0b0;--color-sidebar-bg: #1a1a1a;--color-sidebar-text: #e0e0e0;--color-sidebar-text-muted: #888888;--color-sidebar-active: rgba(255,255,255,.08);--color-sidebar-section: #666666;--sidebar-width: 60px;--sidebar-collapsed-width: 60px;--header-height: 0px;--border-radius: 4px;--border-radius-sm: 2px}[data-theme=dark]{--bg-page: #0c0c0c;--bg-card: #1a1a1a;--bg-secondary: #141414;--bg-hover: #222222;--bg-input: #1a1a1a;--text-primary: #e5e5e5;--text-secondary: #999999;--text-muted: #666666;--border-default: #2c2c2c;--border-subtle: #222222;--shadow-card: none;--shadow-card-hover: 0 0 0 1px rgba(255,255,255,.1);--shadow-modal: 0 0 0 1px rgba(255,255,255,.08), 0 8px 32px rgba(0,0,0,.4);--status-good-bg: #22c55e15;--status-good-text: #4ade80;--status-active-bg: #3b82f615;--status-active-text: #60a5fa;--status-warning-bg: #f9731615;--status-warning-text: #fb923c;--status-error-bg: #ff363815;--status-error-text: #ff6b6b;--color-success: #e5e5e5;--color-warning: #999999;--color-danger: #666666}[data-theme=dark] 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var(--color-border);border-radius:6px;color:var(--color-text-secondary);font-family:var(--font-sans);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s}.header-nav-btn:hover:not(:disabled){background:var(--color-bg-hover);border-color:var(--color-border-hover);color:var(--color-text-primary)}.header-nav-btn.active{background:var(--color-accent);color:#fff;border-color:var(--color-accent)}.header-nav-btn:disabled{opacity:.5;cursor:not-allowed}.header-nav-icon{width:16px;height:16px;flex-shrink:0}.header-form{display:flex;align-items:center;gap:12px;flex:1;min-width:0;max-width:600px}.header-url-input{flex:1;background:var(--color-bg-surface);border:1px solid var(--color-border);color:var(--color-text-primary);padding:10px 16px;border-radius:6px;font-family:var(--font-sans);font-size:13px;min-width:0;transition:border-color .2s}.header-url-input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px 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strong{color:var(--color-text-primary)}.timeline-desc-horizontal{color:var(--color-text-secondary);font-size:13px;line-height:1.6;margin-top:8px;text-align:left}.timeline-source-horizontal{margin-top:4px;text-align:center}.jd-history-header{margin-bottom:24px}.jd-history-title{font-size:18px;font-weight:600;color:var(--color-text-primary);margin-bottom:8px;letter-spacing:-.01em}.jd-history-subtitle{font-size:12px;color:var(--color-text-muted);margin:0;font-style:italic}.job-back-button{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;background:none;border:1px solid var(--color-border);border-radius:6px;color:var(--color-text-secondary);font-size:13px;font-weight:500;font-family:var(--font-sans);cursor:pointer;transition:all .2s;margin-bottom:16px}.job-back-button:hover{color:var(--color-accent);border-color:var(--color-accent);background:var(--color-accent-light)}.job-back-button 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