:root{--bg: #f8fafc;--surface: #ffffff;--border: #e2e8f0;--text: #0f172a;--muted: #64748b;--accent: #0f766e;--accent-strong: #115e59;--danger: #b91c1c;--radius: 14px;--shadow: 0 1px 2px rgba(15, 23, 42, .04)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{min-height:100vh;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}h1,h2,h3{line-height:1.2}.page{width:min(100%,1120px);margin:0 auto;padding:2rem 1.5rem 3rem}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1.5rem;margin-bottom:1.5rem}.page-header h1{margin:.35rem 0 .25rem;font-size:clamp(1.6rem,2.5vw,2.1rem);letter-spacing:-.02em}.page-header p{margin:0}.eyebrow{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}.muted{color:var(--muted)}.small{font-size:.82rem}.card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.55rem .95rem;border:1px solid transparent;border-radius:9px;font:inherit;font-size:.88rem;font-weight:600;line-height:1.2;text-decoration:none;cursor:pointer;transition:background .15s ease,border-color .15s ease,opacity .15s ease}.btn:disabled{cursor:not-allowed;opacity:.55}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-strong)}.btn-secondary{border-color:var(--border);background:var(--surface);color:var(--text)}.btn-secondary:hover:not(:disabled){background:#f1f5f9}.btn-ghost{border-color:transparent;background:transparent;color:var(--muted)}.btn-ghost:hover:not(:disabled){background:#f1f5f9;color:var(--text)}.btn-small{padding:.3rem .55rem;font-size:.8rem}.btn-block{width:100%}.icon-btn{width:32px;height:32px;border:0;border-radius:8px;background:transparent;color:var(--muted);font-size:1.4rem;line-height:1;cursor:pointer}.icon-btn:hover{background:#f1f5f9;color:var(--text)}.field{display:flex;flex-direction:column;gap:.3rem;margin-bottom:.85rem}.field>span{font-size:.82rem;font-weight:600;color:#334155}.field input,.field select,.field textarea{width:100%;padding:.55rem .7rem;border:1px solid var(--border);border-radius:9px;background:var(--surface);color:var(--text);font:inherit;font-size:.9rem}.field textarea{resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid rgba(15,118,110,.25);border-color:var(--accent)}.field-error{color:var(--danger);font-size:.78rem}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}.form-grid-wide{grid-column:1/-1}.alert{margin:0 0 .85rem;padding:.6rem .8rem;border-radius:9px;font-size:.85rem}.alert-error{background:#fef2f2;color:var(--danger);border:1px solid #fecaca}.alert-success{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}.badge{display:inline-flex;align-items:center;padding:.18rem .5rem;border-radius:999px;font-size:.72rem;font-weight:700;letter-spacing:.02em;white-space:nowrap}.status-backlog{background:#f1f5f9;color:#475569}.status-todo{background:#dbeafe;color:#1d4ed8}.status-in_progress{background:#fef3c7;color:#b45309}.status-done{background:#d1fae5;color:#047857}.status-cancelled{background:#fee2e2;color:#b91c1c}.priority-low{background:#f8fafc;color:#64748b;border:1px solid var(--border)}.priority-medium{background:#eff6ff;color:#1d4ed8}.priority-high{background:#fff7ed;color:#c2410c}.priority-urgent{background:#fef2f2;color:#b91c1c}.chip{padding:.18rem .5rem;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:.72rem}.state{display:flex;flex-direction:column;align-items:center;gap:.6rem;padding:3rem 1.5rem;text-align:center}.state h2{margin:0;font-size:1.15rem}.state p{margin:0}.state-error{color:var(--danger)}.spinner{width:22px;height:22px;border:3px solid #cbd5e1;border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:.85rem 1rem;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}.data-table th{font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.data-table tbody tr:last-child td{border-bottom:0}.data-table tbody tr:hover{background:#f8fafc}@media(max-width:720px){.page{padding:1.5rem 1rem 2.5rem}.page-header{flex-direction:column;gap:1rem}.form-grid{grid-template-columns:1fr}}