:root{--bg: #f4f4f5;--surface: #ffffff;--border: #e4e4e7;--text: #18181b;--muted: #71717a;--accent: #18181b;--accent-text: #ffffff;--danger: #b91c1c;--high: #dc2626;--medium: #d97706;--low: #2563eb;--todo: #a1a1aa;--progress: #d97706;--review: #7c3aed;--done: #16a34a;--radius: 10px;color-scheme:light dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #09090b;--surface: #18181b;--border: #27272a;--text: #fafafa;--muted: #a1a1aa;--accent: #fafafa;--accent-text: #09090b;--danger: #f87171}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.app{max-width:1200px;margin:0 auto;padding:24px 16px}.header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.header h1{margin:0;font-size:1.75rem;letter-spacing:-.02em}.progress{min-width:220px;flex:0 1 320px}.progress-text{font-size:.85rem;color:var(--muted)}.progress-track{height:6px;margin-top:6px;background:var(--border);border-radius:999px;overflow:hidden}.progress-fill{height:100%;background:var(--done);transition:width .3s ease}.add{display:grid;grid-template-columns:2fr 2fr auto auto;gap:8px}input,textarea,select{width:100%;padding:10px 12px;font:inherit;color:inherit;background:var(--surface);border:1px solid var(--border);border-radius:8px}input:focus-visible,textarea:focus-visible,select:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.btn{padding:8px 12px;font:inherit;font-size:.85rem;color:var(--text);background:transparent;border:1px solid var(--border);border-radius:8px;cursor:pointer}.btn:hover:not(:disabled){border-color:var(--muted)}.btn:disabled{opacity:.35;cursor:default}.btn.primary{color:var(--accent-text);background:var(--accent);border-color:var(--accent);font-weight:600}.btn.danger{color:var(--danger)}.btn.icon{padding:6px 10px}.notice{min-height:1.4em;margin:8px 0;color:var(--danger);font-size:.9rem}.board{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;align-items:start}.column{min-height:200px;padding:12px;background:color-mix(in srgb,var(--surface) 60%,transparent);border:1px solid var(--border);border-top:4px solid var(--todo);border-radius:var(--radius);transition:background .15s}.column-in_progress{border-top-color:var(--progress)}.column-review{border-top-color:var(--review)}.column-done{border-top-color:var(--done)}.column.drop-target{background:color-mix(in srgb,var(--accent) 8%,var(--surface))}.column h2{display:flex;align-items:center;justify-content:space-between;margin:0 0 12px;font-size:.95rem;text-transform:uppercase;letter-spacing:.06em}.count{padding:2px 8px;font-size:.8rem;color:var(--muted);background:var(--border);border-radius:999px}.empty{margin:24px 0;text-align:center;color:var(--muted);font-size:.9rem}.cards{display:grid;gap:10px;margin:0;padding:0;list-style:none}.card{padding:12px;background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--medium);border-radius:8px;cursor:grab}.card.priority-high{border-left-color:var(--high)}.card.priority-low{border-left-color:var(--low)}.card.editing{cursor:default}.card h3{margin:6px 0 4px;font-size:1rem;overflow-wrap:anywhere}.description{margin:0 0 8px;color:var(--muted);font-size:.9rem;overflow-wrap:anywhere}.badge{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.actions{display:flex;gap:6px;margin-top:8px}.spacer{flex:1}.editor{display:grid;gap:8px}.footer{padding:24px 16px 40px;text-align:center;color:var(--muted);font-size:.85rem}.footer a{color:inherit}@media(max-width:760px){.add{grid-template-columns:1fr 1fr}.add input{grid-column:1 / -1}.board{grid-template-columns:1fr}}