.login-container { display: flex; justify-content: center; align-items: center; min-height: 100vh; padding: 20px; }
.login-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 32px; width: 100%; max-width: 400px; box-shadow: var(--shadow-lg); }
.login-card h1 { text-align: center; margin-bottom: 8px; color: var(--primary); font-size: 1.4em; }
.login-card p { text-align: center; color: var(--text-muted); margin-bottom: 24px; font-size: 0.9em; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 4px; color: var(--text-muted); font-size: 0.85em; }
.form-group input { width: 100%; }
.dashboard { display: none; }
.topbar { background: var(--card); border-bottom: 1px solid var(--border); padding: 12px 20px; display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: nowrap; min-height: 52px; }
.topbar h1 { font-size: 1.1em; color: var(--primary); white-space: nowrap; flex-shrink: 0; }
.topbar .parent-name { color: var(--text-muted); font-size: 0.9em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar button { background: transparent; border: 1px solid var(--border); color: var(--text-muted); padding: 6px 14px; border-radius: var(--radius-md); cursor: pointer; font-size: 13px; }
.topbar button:hover { background: var(--bg-alt); }
.content { max-width: 900px; margin: 0 auto; padding: 20px; }
.child-selector { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.child-btn { background: var(--card); border: 1px solid var(--border); padding: 10px 16px; border-radius: var(--radius-lg); cursor: pointer; color: var(--text); box-shadow: var(--shadow-sm); }
.child-btn:hover { background: var(--card-hover); }
.child-btn.active { border-color: var(--primary); background: var(--primary-light); }
.child-btn .child-name { font-weight: 600; }
.child-btn .child-balance { font-size: 0.85em; color: var(--text-muted); }
.tab-content { display: none; }
.tab-content.active { display: block; }
.card { margin-bottom: 16px; }
.tabs { margin-bottom: 16px; }
@media (max-width: 600px) {
  .content { padding: 12px; }
  .topbar { padding: 10px 14px; }
}