:root{--color-primary: #ff5a36;--color-primary-hover: #e04a29;--color-surface: #ffffff;--color-background: #fdfdfd;--color-sidebar: #f8f9fa;--color-text-main: #1a1a1a;--color-text-muted: #666666;--color-border: #eaeaec;--font-family: "Inter", -apple-system, sans-serif;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05)}*{box-sizing:border-box}body{margin:0;font-family:var(--font-family);background:var(--color-background);color:var(--color-text-main)}.app-shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{border-right:1px solid var(--color-border);background:var(--color-sidebar);padding:20px;display:flex;flex-direction:column;gap:16px}.sidebar nav{display:flex;flex-direction:column;gap:8px}.sidebar a{color:var(--color-text-main);text-decoration:none;border-radius:var(--radius-sm);padding:8px 10px}.sidebar a.active{background:var(--color-surface);box-shadow:var(--shadow-sm)}.content{padding:24px;display:flex;flex-direction:column;gap:20px}.screen{display:flex;flex-direction:column;gap:16px}.screen-header{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.panel,.panel-inline,.item-card{border:1px solid var(--color-border);background:var(--color-surface);border-radius:var(--radius-lg);padding:14px}.panel-inline{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.field-label{font-size:12px;color:var(--color-text-muted)}input,select,textarea,button{font:inherit}input,select,textarea{border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:8px 10px}textarea{width:100%;resize:vertical}button{border:0;border-radius:var(--radius-sm);background:var(--color-primary);color:#fff;padding:8px 12px;cursor:pointer}button:disabled{opacity:.6;cursor:default}button:hover:not(:disabled){background:var(--color-primary-hover)}.item-list{display:grid;gap:14px}.item-card-header{display:flex;justify-content:space-between;gap:8px;align-items:baseline}.item-card-header h2{margin:0;font-size:16px;overflow-wrap:anywhere}.item-card-body{margin:10px 0;color:var(--color-text-muted)}.item-card-actions,.item-card-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.checkbox-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px;margin-bottom:12px}.category-fieldset{border:0;padding:0;margin:10px 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:6px}.checkbox-row{display:flex;gap:8px;align-items:center}.status-badge{border-radius:9999px;padding:2px 8px;font-size:12px;text-transform:uppercase;letter-spacing:.04em;background:#f0f0f0}.status-processing{background:#fff4d6}.status-inbox{background:#e7f5ff}.status-processed,.status-read{background:#e8f5e9}.status-archived{background:#f2f2f2}.status-failed{background:#ffe3e3}.chip-list{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}.chip{border:1px solid var(--color-border);border-radius:9999px;padding:2px 8px;font-size:12px}.empty-state{border:1px dashed var(--color-border);border-radius:var(--radius-lg);padding:18px;background:#fff}.error-message{color:#b91c1c;font-size:12px}.stack{display:grid;gap:12px}.markdown-preview{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:#fafafa;padding:12px;overflow-x:auto;white-space:pre-wrap;word-break:break-word}