:root{--color-bg: #faf7f2;--color-surface: #ffffff;--color-primary: #2f6f5e;--color-primary-dark: #234f43;--color-text: #24302b;--color-muted: #6b7570;--color-border: #e4ddd2;--color-danger: #b3492f;--radius: 10px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--color-bg);color:var(--color-text)}a{color:var(--color-primary)}.container{max-width:880px;margin:0 auto;padding:24px 20px 80px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px;margin-bottom:16px}.btn{display:inline-block;background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius);padding:10px 18px;font-size:15px;cursor:pointer;text-decoration:none}.btn:hover{background:var(--color-primary-dark)}.btn.secondary{background:transparent;color:var(--color-primary);border:1px solid var(--color-primary)}.btn.danger{background:var(--color-danger)}.btn:disabled{opacity:.5;cursor:not-allowed}.field{margin-bottom:14px;display:flex;flex-direction:column;gap:6px}.field label{font-size:13px;color:var(--color-muted)}.field input,.field select,.field textarea{padding:9px 12px;border:1px solid var(--color-border);border-radius:8px;font-size:15px;background:#fff}.error-banner{background:#fbeae5;color:var(--color-danger);border:1px solid #f0c7ba;border-radius:var(--radius);padding:10px 14px;margin-bottom:14px;font-size:14px}.nav{display:flex;align-items:center;gap:18px;padding:14px 20px;border-bottom:1px solid var(--color-border);background:var(--color-surface)}.nav .brand{font-weight:700;color:var(--color-primary-dark);text-decoration:none;margin-right:auto}.nav a{color:var(--color-text);text-decoration:none;font-size:14px}.nav a.active{color:var(--color-primary);font-weight:600}.auth-shell{max-width:380px;margin:60px auto;padding:0 20px}.auth-shell h1{font-size:22px;margin-bottom:4px}.auth-shell p.subtitle{color:var(--color-muted);margin-top:0;margin-bottom:24px}.badge{display:inline-block;font-size:12px;padding:2px 9px;border-radius:999px;background:#eef3f0;color:var(--color-primary-dark)}.badge.settled{background:#e5f2e6;color:#2c6b30}.badge.locked{background:#eef3f0;color:var(--color-primary-dark)}.badge.open{background:#fdf1e2;color:#9a5b12}.row{display:flex;justify-content:space-between;align-items:center;gap:12px}.muted{color:var(--color-muted);font-size:13px}.list-item{padding:12px 0;border-bottom:1px solid var(--color-border)}.list-item:last-child{border-bottom:none}.child-picker{display:flex;gap:14px;flex-wrap:wrap}.child-card{width:120px;text-align:center;padding:16px 10px;border:1px solid var(--color-border);border-radius:var(--radius);cursor:pointer;background:#fff}.child-card:hover{border-color:var(--color-primary)}.avatar-circle{width:56px;height:56px;border-radius:50%;background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;margin:0 auto 8px}