:root{--bg: #f7f8fa;--surface: #ffffff;--border: #e3e6eb;--text: #1c1f24;--muted: #6b7280;--accent: #2f6fed;--accent-soft: #eaf1ff;--danger: #c0392b;--shadow: 0 1px 2px rgba(15, 23, 42, .06);--sidebar-width: 220px;--topbar-height: 56px;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app-shell{display:flex;flex-direction:column;min-height:100vh}.topbar{height:var(--topbar-height);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 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.upload-bar-fill{background:var(--danger)}.link-button{background:transparent;border:0;padding:0;color:var(--accent);font:inherit;cursor:pointer}.link-button:hover{text-decoration:underline}.form-row{display:flex;gap:14px}.form-field-inline{display:flex;align-items:center;gap:8px;font-size:13px}.form select{font:inherit;padding:8px 10px;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text)}.form select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.driver-picker{display:flex;flex-direction:column;gap:8px}.driver-picker-detail{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:8px 10px;background:var(--bg);border-radius:6px;border:1px solid var(--border)}.section-heading-row{display:flex;align-items:center;justify-content:space-between;margin:24px 0 12px}.section-heading-row .section-heading{margin:0}.pill{display:inline-block;padding:2px 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