:root{color-scheme:light;--bg: #fafafa;--surface: #ffffff;--border: #e5e5e5;--text: #1a1a1a;--text-muted: #6b6b6b;--accent: #2563eb;--danger: #dc2626;--warn: #b45309;--ok: #15803d;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}.container{max-width:880px;margin:0 auto;padding:32px 24px 80px}.app-shell{display:flex;min-height:100vh}.sidebar{display:flex;flex-direction:column;width:220px;flex-shrink:0;padding:20px 16px;border-right:1px solid var(--border);background:var(--surface)}.sidebar-brand{font-size:15px;font-weight:600;padding:0 8px;margin-bottom:24px}.sidebar-nav{display:flex;flex-direction:column;gap:2px}.sidebar-nav a{color:var(--text-muted);font-size:14px;padding:8px;border-radius:6px}.sidebar-nav a.active{color:var(--text);font-weight:600;background:var(--bg)}.sidebar-footer{margin-top:auto;display:flex;flex-direction:column;gap:10px;padding:0 8px}.main-area{flex:1;min-width:0}h1{font-size:22px;margin:0 0 24px}h2{font-size:18px;margin:0 0 16px}.muted{color:var(--text-muted);font-size:13px}.card-list{display:flex;flex-direction:column;gap:10px}.card{display:block;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px 18px}.card-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.card-title{font-weight:600;font-size:15px}.badge{display:inline-block;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;padding:3px 8px;border-radius:6px;background:#eee;color:var(--text-muted)}.badge.status-todo{background:#eee;color:#555}.badge.status-doing{background:#dbeafe;color:#1d4ed8}.badge.status-blocked{background:#fee2e2;color:var(--danger)}.badge.status-done{background:#dcfce7;color:var(--ok)}.badge.blocker{background:#fef3c7;color:var(--warn)}form{display:flex;flex-direction:column;gap:12px}label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--text-muted)}input,select,textarea{padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:14px;background:var(--surface)}textarea{resize:vertical;min-height:70px}.btn{border:1px solid var(--border);background:var(--surface);border-radius:6px;padding:8px 14px;font-size:14px;font-weight:500}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.small{padding:4px 10px;font-size:13px}.error{color:var(--danger);font-size:13px}.drawer-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;justify-content:flex-end;animation:drawer-backdrop-in .2s ease}.drawer{background:var(--surface);height:100%;width:100%;max-width:560px;padding:24px;overflow-y:auto;box-shadow:-8px 0 24px #00000026;animation:drawer-in .2s ease}@keyframes drawer-backdrop-in{0%{background:#0000}to{background:#00000059}}@keyframes drawer-in{0%{transform:translate(100%)}to{transform:translate(0)}}.drawer-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:12px}.comment{border-top:1px solid var(--border);padding:10px 0}.comment-meta{font-size:12px;color:var(--text-muted);margin-bottom:2px}.activity-log{list-style:none;margin:0;padding:0}.activity-item{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:8px 0;border-top:1px solid var(--border);font-size:14px}.activity-text{color:var(--text)}.activity-time{flex-shrink:0;font-size:12px;color:var(--text-muted);white-space:nowrap}.section{margin-top:20px}.field-row{display:flex;gap:12px}.field-row>*{flex:1}.empty{color:var(--text-muted);font-size:14px;padding:24px 0}