:root{--ink: #1a2b3c;--ink-muted: #5a6b7c;--ink-soft: #8a9bac;--bg: #f8fafb;--surface: #ffffff;--surface-alt: #f1f5f9;--accent: #0d9488;--accent-light: #ccfbf1;--accent-dark: #0f766e;--danger: #dc2626;--danger-light: #fef2f2;--border: #e2e8f0;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--radius: 12px;--radius-lg: 16px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}.app-shell{min-height:100vh;max-width:600px;margin:0 auto;padding:16px;display:flex;flex-direction:column;gap:16px}.loading-screen{justify-content:center;align-items:center;font-size:1.1rem;color:var(--ink-muted)}.login-screen{justify-content:center;align-items:center;padding:24px}.login-card{background:var(--surface);padding:32px;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);text-align:center;max-width:360px;width:100%}.login-card h1{margin:0 0 8px;font-size:1.5rem}.login-card .tagline{color:var(--ink-muted);margin:0 0 24px}.login-cta{display:flex;flex-direction:column;align-items:center;gap:16px}.login-cta p{margin:0;font-size:.9rem;color:var(--ink-soft)}.dev-login-options{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.dev-login-btn{padding:10px 20px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--ink);font-size:.9rem;cursor:pointer;transition:all .15s}.dev-login-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent)}.dev-login-custom{display:flex;gap:8px;width:100%;max-width:300px}.dev-login-custom input{flex:1;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:.9rem}.dev-login-custom button{padding:8px 16px;border:none;border-radius:var(--radius);background:var(--accent);color:#fff;font-size:.9rem;cursor:pointer}.dev-login-custom button:disabled{background:var(--border);cursor:not-allowed}.app-header{display:flex;justify-content:space-between;align-items:center;padding:8px 0}.header-left{display:flex;align-items:center;gap:12px}.app-title{font-weight:700;font-size:1.1rem}.streak-badge{background:linear-gradient(135deg,#fef3c7,#fde68a);color:#92400e;padding:4px 10px;border-radius:20px;font-size:.85rem;font-weight:600}.header-right{display:flex;align-items:center;gap:12px}.avatar-small{width:36px;height:36px;border-radius:50%;object-fit:cover}.btn-text{background:none;border:none;color:var(--ink-muted);font-size:.9rem;cursor:pointer;padding:8px}.btn-text:hover{color:var(--ink)}.status-banner{background:var(--accent-light);color:var(--accent-dark);padding:12px 16px;border-radius:var(--radius);font-weight:500;text-align:center}.status-banner.error{background:var(--danger-light);color:var(--danger)}.tab-bar{display:flex;gap:8px;background:var(--surface);padding:6px;border-radius:var(--radius);box-shadow:var(--shadow-sm)}.tab{flex:1;background:none;border:none;padding:10px 16px;border-radius:8px;font-weight:600;color:var(--ink-muted);cursor:pointer;transition:all .2s}.tab:hover{background:var(--surface-alt);color:var(--ink)}.tab.active{background:var(--accent);color:#fff}.main-content{display:flex;flex-direction:column;gap:20px;flex:1}.today-section{background:var(--surface);padding:20px;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.date-heading{margin:0 0 16px;font-size:1.25rem;font-weight:600}.date-selector{display:flex;gap:8px;margin-bottom:16px}.date-btn{flex:1;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);font-size:.85rem;font-weight:500;color:var(--ink-muted);cursor:pointer;transition:all .2s}.date-btn:hover{background:var(--surface-alt);color:var(--ink)}.date-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.celebration{background:linear-gradient(135deg,#fef3c7,#d9f99d);padding:12px 16px;border-radius:var(--radius);text-align:center;font-weight:600;margin-bottom:16px;animation:celebrate .5s ease}@keyframes celebrate{0%{transform:scale(.95);opacity:0}50%{transform:scale(1.02)}to{transform:scale(1);opacity:1}}.checklist{display:flex;flex-direction:column;gap:10px}.check-item{display:flex;align-items:center;gap:14px;padding:14px 16px;background:var(--surface-alt);border-radius:var(--radius);cursor:pointer;transition:all .2s;border:2px solid transparent}.check-item:hover{background:#e2e8f0}.check-item.checked{background:var(--accent-light);border-color:var(--accent)}.check-item.saving{opacity:.6;pointer-events:none}.check-item input[type=checkbox]{width:22px;height:22px;accent-color:var(--accent);cursor:pointer}.check-label{flex:1;font-weight:500}.check-mark{color:var(--accent);font-weight:700;font-size:1.1rem}.check-spinner{width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.progress-ring{display:flex;justify-content:center;margin-top:16px}.progress-text{background:var(--surface-alt);padding:12px 24px;border-radius:30px;font-size:1.25rem;font-weight:700;color:var(--accent-dark)}.empty-state{color:var(--ink-muted);text-align:center;padding:20px}.notes-section{margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}.notes-section label{display:block;font-size:.85rem;font-weight:500;color:var(--ink-muted);margin-bottom:8px}.notes-section textarea{width:100%;padding:12px;border:1px solid var(--border);border-radius:var(--radius);font-family:inherit;font-size:.9rem;resize:vertical;min-height:60px}.notes-section textarea:focus{outline:none;border-color:var(--accent)}.notes-section textarea:disabled{background:var(--surface-alt);opacity:.7}.saving-indicator{display:block;font-size:.8rem;color:var(--ink-soft);margin-top:4px}.notes-actions{display:flex;justify-content:flex-end;align-items:center;margin-top:8px;min-height:32px}.saved-indicator{font-size:.8rem;color:var(--accent)}.friends-section{background:var(--surface);padding:16px 20px;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.friends-section h3{margin:0 0 12px;font-size:.9rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-muted)}.friends-grid{display:flex;flex-wrap:wrap;gap:10px}.friend-chip{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--surface-alt);border-radius:30px;border:2px solid transparent}.friend-chip.complete{background:var(--accent-light);border-color:var(--accent)}.friend-chip.is-you{box-shadow:0 0 0 2px var(--accent)}.friend-chip img{width:28px;height:28px;border-radius:50%;object-fit:cover}.friend-name{font-weight:600;font-size:.9rem}.friend-score{color:var(--ink-muted);font-size:.85rem}.friend-chip.complete .friend-score{color:var(--accent-dark);font-weight:600}.today-strip{background:var(--surface);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-sm)}.today-strip h3{margin:0 0 12px;font-size:.9rem;color:var(--ink-muted);font-weight:500}.today-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}.today-card{background:var(--surface-alt);border-radius:8px;padding:12px;border:2px solid transparent}.today-card.complete{border-color:var(--accent);background:var(--accent-light)}.today-card.is-you{box-shadow:var(--shadow-sm)}.today-card-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}.today-card-header img{width:32px;height:32px;border-radius:50%}.today-card-name{font-weight:600;font-size:.9rem;flex:1}.today-card-check{color:var(--accent);font-weight:700}.today-card-buckets{display:flex;flex-direction:column;gap:4px}.today-bucket{font-size:.75rem;color:var(--ink-muted)}.today-bucket.checked{color:var(--accent)}.stats-section{display:flex;flex-direction:column;gap:16px}.stats-header{display:flex;justify-content:space-between;align-items:center;gap:16px}.stats-header h2{margin:0;font-size:1.25rem}.section-eyebrow{margin:0 0 4px;font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft)}.month-picker{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:4px 8px}.month-nav{width:32px;height:32px;border:none;background:transparent;border-radius:8px;cursor:pointer;font-size:1rem;color:var(--ink-muted);transition:all .15s}.month-nav:hover{background:var(--surface-alt);color:var(--ink)}.month-label{font-size:.9rem;font-weight:500;min-width:120px;text-align:center}.overview-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.overview-card{background:var(--surface);border-radius:var(--radius-lg);padding:14px 16px;box-shadow:var(--shadow-sm);border:1px solid transparent;display:flex;flex-direction:column;gap:12px}.overview-card.complete{border-color:var(--accent);background:linear-gradient(135deg,#f0fdfa,#ecfeff)}.overview-card.is-you{box-shadow:0 0 0 2px var(--accent)}.overview-card-header{display:flex;align-items:center;gap:12px}.overview-card-header img{width:44px;height:44px;border-radius:50%;object-fit:cover}.overview-subtitle{display:block;font-size:.8rem;color:var(--ink-muted)}.overview-metrics{display:flex;justify-content:space-between;gap:16px}.metric-label{display:block;font-size:.75rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.05em}.metric-value{font-weight:700;font-size:1.05rem;color:var(--ink)}.overview-progress{height:6px;background:var(--surface-alt);border-radius:999px;overflow:hidden}.overview-progress span{display:block;height:100%;background:var(--accent)}.stats-grid{display:flex;flex-direction:column;gap:16px;transition:opacity .15s}.stats-grid.loading{opacity:.4;pointer-events:none}.stat-card{background:var(--surface);padding:16px;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.stat-card-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}.stat-card-header img{width:44px;height:44px;border-radius:50%;object-fit:cover}.stat-card-header strong{display:block}.stat-percent{color:var(--accent);font-weight:600}.heatmap{display:grid;grid-template-columns:repeat(7,1fr);gap:3px;margin-bottom:12px}.heat-cell{height:36px;display:flex;align-items:center;justify-content:center;border-radius:3px;font-size:.75rem;font-weight:500;color:var(--ink);cursor:pointer}.heat-cell.future{cursor:default;color:var(--ink-soft)}.heat-cell:not(.future):hover{outline:2px solid var(--accent);outline-offset:-1px}.heatmap-tooltip{position:fixed;transform:translate(-50%,-100%) translateY(-8px);background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:8px 12px;box-shadow:0 4px 12px #00000026;font-size:.85rem;z-index:1000;pointer-events:none;white-space:nowrap}.heatmap-tooltip .tooltip-date{font-weight:600;margin-bottom:4px;padding-bottom:4px;border-bottom:1px solid var(--border)}.heatmap-tooltip .tooltip-note{font-style:italic;color:var(--ink-muted);max-width:200px;white-space:normal;margin-top:4px;padding-top:4px;border-top:1px solid var(--border)}.stat-summary{display:flex;justify-content:space-between;font-size:.85rem;color:var(--ink-muted)}.settings-section{background:var(--surface);padding:20px;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.settings-section h2{margin:0 0 4px}.settings-note{color:var(--ink-muted);font-size:.9rem;margin:0 0 20px}.bucket-list{display:flex;flex-direction:column;gap:12px}.bucket-row{display:flex;gap:10px;align-items:center}.bucket-input{flex:1;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:1rem}.bucket-input:focus{outline:none;border-color:var(--accent)}.bucket-actions{display:flex;gap:6px}.btn-small{padding:8px 14px;border:none;border-radius:var(--radius);font-weight:600;font-size:.85rem;cursor:pointer;background:var(--surface-alt);color:var(--ink)}.btn-small:hover{background:var(--border)}.btn-small.btn-primary{background:var(--accent);color:#fff}.btn-small.btn-primary:hover{background:var(--accent-dark)}.btn-small.btn-danger{background:var(--danger-light);color:var(--danger)}.btn-small.btn-danger:hover{background:#fecaca}.add-row .bucket-input{background:#fffbeb}.danger-zone{margin-top:32px;padding-top:20px;border-top:1px dashed var(--border)}.danger-zone h3{margin:0 0 8px;color:var(--danger)}.danger-zone p{margin:0 0 16px;color:var(--ink-muted);font-size:.9rem}.btn-danger{background:var(--danger);color:#fff;border:none;padding:10px 20px;border-radius:var(--radius);font-weight:600;cursor:pointer}.btn-danger:hover{background:#b91c1c}@media(max-width:480px){.app-shell{padding:12px}.app-title{font-size:1rem}.streak-badge{font-size:.8rem;padding:3px 8px}.date-heading{font-size:1.1rem}.check-item{padding:12px 14px}.overview-grid{grid-template-columns:1fr}.friend-chip{padding:6px 10px}.friend-chip img{width:24px;height:24px}.bucket-row{flex-direction:column;align-items:stretch}.bucket-actions{justify-content:flex-end}}*{box-sizing:border-box;margin:0;padding:0}body{margin:0;background:#f3f7f6}input,button{font-family:inherit}img{max-width:100%}