:root{--bg: #f4f6f9;--panel: #ffffff;--panel-2: #f8fafc;--text: #0f172a;--muted: #64748b;--border: #e2e8f0;--accent: #2563eb;--shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .08);--radius: 12px}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #0b1120;--panel: #121a2b;--panel-2: #0f1626;--text: #e6edf6;--muted: #93a1b5;--border: #233049;--shadow: 0 1px 2px rgba(0, 0, 0, .4)}}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.app{display:flex;flex-direction:column;height:100%}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border);background:var(--panel)}.topbar h1{font-size:17px;margin:0;letter-spacing:-.01em}.topbar-right{display:flex;gap:8px}button{font:inherit;cursor:pointer}.ghost{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:6px 12px}.ghost:hover{border-color:var(--accent)}.ghost:disabled{opacity:.6;cursor:default}.filters{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:12px 20px;border-bottom:1px solid var(--border);background:var(--panel)}.filters input,.filters select{font:inherit;color:var(--text);background:var(--panel-2);border:1px solid var(--border);border-radius:8px;padding:7px 10px}.filters .search{min-width:240px;flex:0 1 300px}.count-note{margin-left:auto;color:var(--muted);font-size:13px}.board{display:flex;gap:14px;align-items:flex-start;padding:16px 20px;overflow-x:auto;flex:1;min-height:0}.column{flex:0 0 300px;max-height:100%;display:flex;flex-direction:column;background:var(--panel-2);border:1px solid 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11px;box-shadow:var(--shadow);cursor:grab}.card:active{cursor:grabbing}.card:hover{border-color:var(--accent)}.card-top{display:flex;gap:9px;align-items:center}.avatar{width:28px;height:28px;border-radius:50%;flex:0 0 auto;background:var(--panel-2);border:1px solid var(--border);display:grid;place-items:center;font-size:11px;font-weight:700;color:var(--muted)}.card-id{min-width:0}.card-name{font-weight:600;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-sub{color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-meta{display:flex;gap:5px;flex-wrap:wrap;margin-top:8px}.chip{font-size:11px;padding:2px 7px;border-radius:999px;background:var(--panel-2);border:1px solid var(--border);color:var(--muted)}.chip-sender{color:var(--text);border-color:var(--accent)}.chip-muted{opacity:.8}.card-link{display:inline-block;margin-top:8px;font-size:12px;color:var(--accent);text-decoration:none}.card-link:hover{text-decoration:underline}.more{background:transparent;border:1px dashed var(--border);color:var(--muted);border-radius:8px;padding:7px;font-size:12px}.more:hover{border-color:var(--accent);color:var(--text)}.empty{color:var(--muted);font-size:12px;text-align:center;padding:18px 0}.banner{margin:10px 20px;padding:10px 14px;border-radius:8px}.banner.error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .banner.error{background:#2a1416;color:#fca5a5;border-color:#5b2326}}.banner button{margin-left:10px}.toast{position:fixed;bottom:18px;left:50%;transform:translate(-50%);background:#111827;color:#fff;padding:10px 16px;border-radius:10px;box-shadow:0 8px 24px #0000004d;font-size:13px}.login{height:100%;display:grid;place-items:center;padding:20px}.login-card{width:100%;max-width:340px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);text-align:center}.login-card h1{margin:0 0 6px;font-size:20px}.login-card p{margin:0 0 18px;color:var(--muted)}.login-card input{width:100%;font:inherit;color:var(--text);background:var(--panel-2);border:1px solid var(--border);border-radius:8px;padding:10px 12px;margin-bottom:10px}.login-card button{width:100%;background:var(--accent);color:#fff;border:none;border-radius:8px;padding:10px;font-weight:600}.login-card button:disabled{opacity:.6;cursor:default}.login-err{color:#ef4444;font-size:13px;margin-bottom:10px}@media (max-width: 560px){.topbar,.filters,.board{padding-left:16px;padding-right:16px}.filters .search{flex-basis:100%}.column{flex-basis:85vw}}