:root{--ink: #212121;--muted: #737373;--line: #dbdbdb;--panel-fill: #f4f4f4;--canvas: #fafafa;--surface: #ffffff;--warn: #b86600;--warn-line: #edb34d;--warn-bg: #fff7e6;--tag-stroke: #8c8c8c;--bg: var(--canvas);--panel: var(--surface);--radius: 8px;--radius-ctl: 6px;--radius-tag: 4px;--gap: 16px;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:13px;line-height:1.4;color:var(--ink)}*{box-sizing:border-box}body{margin:0;background:var(--canvas)}.hacs-app{max-width:1280px;margin:0 auto;padding:16px 16px 48px}.hacs-topbar{display:flex;align-items:center;gap:8px;margin:-16px -16px 16px;padding:12px 16px;background:var(--surface);border:0;border-bottom:1px solid var(--line);border-radius:0}.hacs-topbar h1{font-size:13px;margin:0;font-weight:600;letter-spacing:.01em}.hacs-seatchip{margin-left:auto;font-size:12px;font-weight:400;padding:0;border:0;border-radius:0;background:transparent;color:var(--muted)}.hacs-conn{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:400;color:var(--muted)}.hacs-conn:before{content:"·";color:var(--muted)}.hacs-conn[data-state=connecting]{animation:hacs-pulse 1.2s ease-in-out infinite}.hacs-conn[data-state=disconnected]{color:var(--warn)}@keyframes hacs-pulse{0%,to{opacity:1}50%{opacity:.3}}.hacs-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:var(--gap);align-items:start}.hacs-col{display:flex;flex-direction:column;gap:var(--gap);min-width:0}.hacs-card{max-width:560px;margin:48px auto 0}.hacs-card+.hacs-card,.hacs-card .panel+.panel{margin-top:var(--gap)}@media(max-width:900px){.hacs-app{padding:16px}.hacs-grid{grid-template-columns:1fr}.hacs-card{margin-top:16px}}.panel{background:var(--surface);border:1px solid 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