:root{--bg:#f7f8fa;--surface:#fff;--border:#e2e5ea;--text:#1a1d23;--text-muted:#6b7280;--primary:#2563eb;--primary-hover:#1d4ed8;--success:#16a34a;--danger:#dc2626;--warning:#d97706;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}.app-shell{min-height:100vh;display:flex}.sidebar{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;gap:4px;width:220px;padding:24px 16px;display:flex}.brand{margin-bottom:24px;padding:0 8px;font-size:18px;font-weight:700}.nav-item{cursor:pointer;color:var(--text-muted);text-align:left;background:0 0;border:none;border-radius:8px;width:100%;padding:10px 12px;font-size:14px}.nav-item.active{color:var(--primary);background:#eff4ff;font-weight:600}.main{flex:1;max-width:960px;padding:32px 40px}h1{margin:0 0 24px;font-size:22px}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;margin-bottom:12px;padding:20px}.card-row{justify-content:space-between;align-items:center;display:flex}.project-name{font-size:15px;font-weight:600}.client-name{color:var(--text-muted);font-size:13px}.unified-total{text-align:right}.unified-total .amount{font-size:18px;font-weight:700}.unified-total .label{color:var(--text-muted);font-size:12px}.budget-bar{background:#eef0f3;border-radius:3px;height:6px;margin-top:10px;overflow:hidden}.budget-bar-fill{background:var(--primary);height:100%}.budget-bar-fill.over{background:var(--danger)}button.primary{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:600}button.primary:hover{background:var(--primary-hover)}button.secondary{background:var(--surface);color:var(--text);border:1px solid var(--border);cursor:pointer;border-radius:8px;padding:10px 16px;font-size:14px}.timer-bar{background:var(--surface);border:1px solid var(--border);border-radius:10px;align-items:center;gap:12px;margin-bottom:24px;padding:14px 18px;display:flex}.timer-bar.running{border-color:var(--success);background:#f0fdf4}input,select{border:1px solid var(--border);border-radius:8px;width:100%;padding:8px 10px;font-size:14px}label{color:var(--text-muted);margin-bottom:4px;font-size:13px;display:block}.field{margin-bottom:14px}.empty-state{color:var(--text-muted);text-align:center;padding:32px 0;font-size:14px}.auth-shell{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;display:flex}.auth-card{width:340px}.brand-icon{border-radius:12px;width:100%;max-width:160px;height:auto;margin-bottom:24px;display:block}.brand-icon-large{border-radius:20px;width:140px;height:auto;margin:0 auto 16px;display:block}