:root{--primary: #6C5CE7;--primary-dark: #5A4BD1;--primary-light: #EEE8FF;--success: #00B894;--success-light: #E0F8F3;--danger: #D63031;--bg: #F0F0F7;--surface: #FFFFFF;--text: #2D3436;--text-2: #636E72;--text-3: #B2BEC3;--border: #EAECEF;--radius-sm: 8px;--radius-card: 14px;--radius-lg: 20px;--shadow-sm: 0 1px 4px rgba(0,0,0,.06);--shadow: 0 2px 16px rgba(0,0,0,.08);--shadow-lg: 0 8px 32px rgba(0,0,0,.14)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,sans-serif;background:var(--bg);color:var(--text);min-height:100dvh;max-width:480px;margin:0 auto}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;outline:none;background:none}input,select,textarea{outline:none;font:inherit}.hidden{display:none!important}.page-header{background:var(--surface);padding:12px 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}.page-title{font-size:1.05rem;font-weight:700;flex:1;text-align:center}.page-content{padding:16px 16px 88px;display:flex;flex-direction:column;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:0 18px;height:44px;border-radius:var(--radius-sm);font-size:.95rem;font-weight:600;transition:opacity .15s,transform .1s}.btn:active:not(:disabled){opacity:.8;transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--primary{background:var(--primary);color:#fff}.btn--ghost{background:var(--bg);color:var(--text-2)}.btn--danger{background:#fee2e2;color:var(--danger)}.btn--done{background:var(--success-light);color:var(--success)}.btn--block{width:100%}.btn--sm{height:34px;padding:0 12px;font-size:.825rem}.form-label{display:block;font-size:.82rem;font-weight:500;color:var(--text-2);margin-bottom:4px}.form-input,.form-select{width:100%;height:46px;padding:0 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.95rem;background:var(--surface);color:var(--text);transition:border-color .15s;display:block}.form-input:focus,.form-select:focus{border-color:var(--primary)}.form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23636E72' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}.freq-row{display:flex;align-items:center;gap:8px}.freq-value-input{width:72px;flex-shrink:0}.freq-unit{font-size:.9rem;color:var(--text-2);white-space:nowrap}.tab-bar{display:flex;background:var(--surface);border-bottom:1px solid var(--border);padding:0 8px;overflow-x:auto;-webkit-overflow-scrolling:touch;gap:0}.tab{padding:10px 14px;font-size:.875rem;font-weight:500;color:var(--text-2);border-bottom:2px solid transparent;white-space:nowrap;transition:color .15s,border-color .15s}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:.72rem;font-weight:600}.badge--study{background:#e8f0ff;color:#2563eb}.badge--health{background:var(--success-light);color:#059669}.badge--habit{background:var(--primary-light);color:var(--primary)}.badge--finance{background:#fef3c7;color:#d97706}.badge--other{background:var(--bg);color:var(--text-2)}.goal-card{background:var(--surface);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:16px;display:flex;flex-direction:column;gap:10px;cursor:pointer;transition:box-shadow .2s}.goal-card:active{box-shadow:var(--shadow)}.goal-card-header{display:flex;align-items:center;justify-content:space-between}.goal-streak{font-size:.78rem;font-weight:600;color:#e17055}.goal-name{font-size:1rem;font-weight:600;line-height:1.3}.goal-freq{font-size:.8rem;color:var(--text-2)}.goal-dots{display:flex;gap:5px}.dot{width:9px;height:9px;border-radius:50%;background:var(--border)}.dot--done{background:var(--success)}.goal-card-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px}.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:4px}.stat-card{background:var(--surface);border-radius:var(--radius-sm);padding:14px 10px;text-align:center;box-shadow:var(--shadow-sm)}.stat-value{font-size:1.5rem;font-weight:700;color:var(--primary)}.stat-label{font-size:.72rem;color:var(--text-2);margin-top:2px}.section{display:flex;flex-direction:column;gap:10px}.section-title{font-size:.9rem;font-weight:600;color:var(--text-2)}.heatmap-month-labels{display:flex;gap:3px;padding-left:2px;margin-bottom:2px;min-height:14px}.heatmap-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:3px}.heatmap-cell{aspect-ratio:1;border-radius:3px;background:var(--bg);display:block}.heatmap-cell[data-level="1"]{background:var(--success)}.heatmap-cell[data-level="-1"]{background:transparent}.heatmap-legend{display:flex;align-items:center;gap:4px;font-size:.72rem;color:var(--text-3);margin-top:4px}.heatmap-legend .heatmap-cell{width:12px;height:12px;aspect-ratio:unset}.checkin-item{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}.checkin-item:last-child{border-bottom:none}.checkin-day{font-size:.82rem;color:var(--text-2);white-space:nowrap;min-width:42px}.checkin-note{font-size:.88rem;color:var(--text);flex:1}.checkin-source{margin-left:auto;flex-shrink:0}.empty-hint{font-size:.88rem;color:var(--text-3);text-align:center;padding:20px 0}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:flex-end;justify-content:center;z-index:100;opacity:0;pointer-events:none;transition:opacity .25s}.modal.open{opacity:1;pointer-events:all}.modal-sheet{background:var(--surface);border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:24px 20px 40px;width:100%;max-width:480px;display:flex;flex-direction:column;gap:14px;transform:translateY(100%);transition:transform .3s cubic-bezier(.32,0,.67,0)}.modal.open .modal-sheet{transform:translateY(0);transition-timing-function:cubic-bezier(.33,1,.68,1)}.modal-header{display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:1.1rem;font-weight:700}.modal-close{font-size:1.4rem;color:var(--text-3);padding:4px 8px}.fab{position:fixed;bottom:24px;right:20px;width:54px;height:54px;border-radius:50%;background:var(--primary);color:#fff;font-size:1.5rem;font-weight:300;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 18px #6c5ce766;transition:transform .15s,box-shadow .15s,background .2s;z-index:40}.fab:active:not(:disabled){transform:scale(.92)}.fab:disabled{opacity:.6;cursor:not-allowed}.fab--done{background:var(--success);box-shadow:0 4px 18px #00b89459}.toast{position:fixed;top:20px;left:50%;transform:translate(-50%) translateY(-80px);padding:10px 22px;border-radius:var(--radius-card);font-size:.9rem;font-weight:500;color:#fff;background:var(--text);box-shadow:var(--shadow-lg);z-index:200;white-space:nowrap;transition:transform .3s cubic-bezier(.33,1,.68,1),opacity .3s;pointer-events:none}.toast.show{transform:translate(-50%) translateY(0)}.toast--success{background:var(--success)}.toast--error{background:var(--danger)}.toast--info{background:var(--text)}.login-page{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 20px;background:linear-gradient(160deg,#eee8ff,#f0f0f7 60%)}.login-card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:28px 24px;width:100%;display:flex;flex-direction:column;gap:14px}.login-logo{font-size:2.4rem;font-weight:800;color:var(--primary);text-align:center}.login-sub{font-size:.88rem;color:var(--text-2);text-align:center;margin-top:-6px}.login-hint{font-size:.85rem;color:var(--text-2);text-align:center}.login-hint a{color:var(--primary);text-decoration:underline}.login-bind-hint{font-size:.82rem;color:var(--text-3);text-align:center;margin-top:-4px}.login-bind-hint a{color:var(--primary);text-decoration:underline}.login-code-row{display:flex;align-items:center;gap:10px}.login-code-row .form-label{flex-shrink:0;margin-bottom:0;white-space:nowrap}.login-code-row .form-input{flex:1}.qr-wrapper{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:200px;background:var(--bg);border-radius:var(--radius-sm);padding:20px}.qr-image{width:200px;height:200px;object-fit:contain;border-radius:var(--radius-sm)}.qr-loading{color:var(--text-3);font-size:.9rem}.qr-expired{text-align:center;color:var(--text-2);font-size:.88rem;display:flex;flex-direction:column;align-items:center;gap:12px}.empty-state{text-align:center;padding:60px 24px;color:var(--text-2);font-size:.9rem}.skeleton{background:linear-gradient(90deg,var(--bg) 25%,var(--border) 50%,var(--bg) 75%);background-size:200% 100%;animation:shimmer 1.2s infinite}@keyframes shimmer{to{background-position:-200% 0}}.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}.photo-thumb{aspect-ratio:1;border-radius:var(--radius-sm);background:var(--bg);object-fit:cover;width:100%;cursor:pointer;transition:opacity .15s}.photo-thumb:hover{opacity:.85}.person-card{display:flex;align-items:center;gap:12px;background:var(--surface);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:14px 16px;cursor:pointer;transition:box-shadow .2s}.person-card:active{box-shadow:var(--shadow)}.person-avatar{width:44px;height:44px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:700;flex-shrink:0}.person-info{flex:1;min-width:0}.person-name{font-size:.95rem;font-weight:600}.person-count{font-size:.78rem;color:var(--text-2)}.photo-viewer{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:100;opacity:0;pointer-events:none;transition:opacity .25s}.photo-viewer.open{opacity:1;pointer-events:all}.photo-viewer img{max-width:95%;max-height:85vh;border-radius:var(--radius-sm);object-fit:contain}.photo-viewer-actions{position:absolute;bottom:24px;display:flex;gap:12px}.photo-viewer-close{position:absolute;top:16px;right:16px;color:#fff;font-size:1.6rem;padding:8px;cursor:pointer;opacity:.7;transition:opacity .15s}.photo-viewer-close:hover{opacity:1}.nav-bar{display:flex;background:var(--surface);border-top:1px solid var(--border);position:fixed;bottom:0;left:0;right:0;max-width:480px;margin:0 auto;z-index:50}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 0;font-size:.72rem;color:var(--text-3);cursor:pointer;transition:color .15s;text-decoration:none}.nav-item.active{color:var(--primary)}.nav-icon{font-size:1.25rem;line-height:1}