:root{--bg: #f2f2f7;--surface: #ffffff;--surface-border: #e5e5ea;--text: #1c1c1e;--text-secondary: #8e8e93;--accent: #007aff;--accent-contrast: #ffffff;--success: #34c759;--success-bg: #e8f9ed;--danger: #ff3b30;--danger-bg: #fdeceb;--radius-sm: 10px;--radius-md: 14px;--shadow-card: 0 1px 3px rgba(0, 0, 0, .06)}@media (prefers-color-scheme: dark){:root{--bg: #0a0a0c;--surface: #1c1c1e;--surface-border: #2c2c2e;--text: #ffffff;--text-secondary: #98989d;--accent: #30d158;--accent-contrast: #04140a;--success: #30d158;--success-bg: #10241a;--danger: #ff375f;--danger-bg: #2a1219;--shadow-card: none}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased}.card{background:var(--surface);border-radius:var(--radius-md);border:1px solid var(--surface-border);box-shadow:var(--shadow-card)}.section-title{font-size:14px;font-weight:600;color:var(--text-secondary);margin:0 0 8px}.btn-pill{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;border:1px solid var(--surface-border);background:var(--surface);color:var(--text);font-size:14px;font-weight:500;cursor:pointer;text-decoration:none}.btn-pill:hover{opacity:.8}.btn-pill-primary{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:999px;border:none;background:var(--accent);color:var(--accent-contrast);font-size:16px;font-weight:600;cursor:pointer}.btn-pill-primary:hover{opacity:.85}.btn-pill-primary:disabled{opacity:.5;cursor:not-allowed}.nav-pill{display:inline-flex;align-items:center;padding:8px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--surface-border);color:var(--text);font-size:14px;font-weight:500;text-decoration:none}.nav-pill:hover{opacity:.8}.error-banner{background:var(--danger-bg);color:var(--danger);border-radius:var(--radius-sm);padding:10px 14px;font-size:14px}.loading-text{color:var(--text-secondary);text-align:center;padding:24px}.sign-in{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.sign-in__title{text-align:center;margin:0 0 20px;font-size:22px}.sign-in__sheet{padding:24px;width:100%;max-width:320px}.sign-in__form{display:flex;flex-direction:column;gap:14px}.sign-in__label{display:flex;flex-direction:column;gap:6px;text-align:left;font-size:13px;color:var(--text-secondary)}.sign-in__input{padding:10px 12px;border-radius:var(--radius-sm);border:1px solid var(--surface-border);background:var(--bg);color:var(--text);font-size:16px;font-family:inherit}.sign-in__input:focus{outline:2px solid var(--accent);outline-offset:1px}.sign-in__error{margin-top:14px}.task-card{display:flex;align-items:center;gap:12px;width:100%;padding:12px;border-radius:var(--radius-md);border:1px solid var(--surface-border);background:var(--surface);box-shadow:var(--shadow-card);text-align:left;font-size:16px;font-family:inherit;color:var(--text);cursor:pointer}.task-card--done{border-color:var(--success);background:var(--success-bg)}.task-card__icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);background:var(--surface-border);font-size:20px;flex-shrink:0}.task-card--done .task-card__icon{background:var(--success)}.task-card__title{flex:1}.task-card__points{font-weight:600;color:var(--accent)}.task-card--done .task-card__points{color:var(--success)}.progress-bar{width:100%}.progress-bar__label{font-size:14px;color:var(--text-secondary);margin-bottom:4px}.progress-bar__track{background:var(--surface-border);border-radius:999px;height:16px;overflow:hidden}.progress-bar__fill{background:var(--accent);height:100%;transition:width .3s ease}.child-screen{padding:16px;max-width:480px;margin:0 auto}.child-screen__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.child-screen__title{margin:0;font-size:22px}.child-screen__progress{margin-bottom:20px}.child-screen__celebrate{font-size:24px;text-align:center}.child-screen__section{margin-bottom:20px}.child-screen__tasks{display:flex;flex-direction:column;gap:8px}.child-screen__summary-btn{width:100%;margin-top:8px}.week-summary{padding:16px;max-width:480px;margin:0 auto}.week-summary__title{margin:16px 0;font-size:22px}.week-summary__card{padding:20px;display:flex;flex-direction:column;gap:10px}.week-summary__reward{font-size:24px;color:var(--accent)}.week-summary__trophy{color:var(--success);font-weight:600}.parent-dashboard{padding:16px;max-width:480px;margin:0 auto}.parent-dashboard__title{margin:0 0 16px;font-size:22px}.parent-dashboard__nav{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.parent-dashboard__list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.parent-dashboard__child{display:flex;align-items:center;gap:12px;padding:12px;text-decoration:none;color:var(--text)}.parent-dashboard__child-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);background:var(--surface-border);font-size:20px;flex-shrink:0}.parent-dashboard__child-name{flex:1;font-weight:500}.parent-dashboard__child-points{color:var(--accent);font-weight:600;font-size:14px}.manage-tasks{padding:16px;max-width:480px;margin:0 auto}.manage-tasks__title{margin:16px 0;font-size:22px}.manage-tasks__form{border:none;padding:16px;margin:0 0 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0;font-size:22px}.family-totals__table-wrap{overflow-x:auto}.family-totals__table{width:100%;border-collapse:collapse}.family-totals__table th{text-align:left;font-size:12px;color:var(--text-secondary);padding:8px 10px;border-bottom:1px solid var(--surface-border)}.family-totals__table td{padding:10px;border-bottom:1px solid var(--surface-border);font-size:14px}.family-totals__total{font-size:20px;margin-top:16px}