*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #6366f1;--primary-light: #e0e7ff;--bg: #f1f5f9;--card: #ffffff;--text: #1e293b;--text-muted: #64748b;--border: #e2e8f0;--feces-bg: #fde8d3;--feces-fg: #c2783b;--urine-bg: #fef9c3;--urine-fg: #b45309;--unknown-bg: #f1f5f9;--unknown-fg: #94a3b8;--danger: #ef4444;--success: #22c55e}body{font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.5}.app{max-width:480px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column}.header{background:var(--primary);color:#fff;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.header-title{font-size:17px;font-weight:700}.tab-nav{display:flex;background:var(--card);border-bottom:1px solid var(--border);flex-shrink:0}.tab{flex:1;padding:12px 0;text-align:center;font-size:14px;color:var(--text-muted);text-decoration:none;border-bottom:2px solid transparent;transition:color .15s,border-color .15s}.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.content{flex:1;padding:16px;overflow-y:auto}.card{background:var(--card);border-radius:12px;padding:14px 16px;margin-bottom:12px;box-shadow:0 1px 3px #00000012}.section-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:10px}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}.stat-card{background:var(--card);border-radius:12px;padding:12px 8px;text-align:center;box-shadow:0 1px 3px #00000012}.stat-value{font-size:26px;font-weight:700;color:var(--primary);line-height:1.1}.stat-label{font-size:11px;color:var(--text-muted);margin-top:4px}.session-item{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}.session-item:last-child{border-bottom:none;padding-bottom:0}.type-badge{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;flex-shrink:0}.type-badge.feces{background:var(--feces-bg);color:var(--feces-fg)}.type-badge.urine{background:var(--urine-bg);color:var(--urine-fg)}.type-badge.unknown{background:var(--unknown-bg);color:var(--unknown-fg)}.session-info{flex:1;min-width:0}.session-time{font-size:14px;font-weight:600}.session-detail{font-size:12px;color:var(--text-muted);margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.info-row{display:flex;justify-content:space-between;align-items:center;padding:7px 0;border-bottom:1px solid var(--border)}.info-row:last-of-type{border-bottom:none}.info-label{font-size:13px;color:var(--text-muted)}.info-value{font-size:14px;font-weight:500}.cat-stats-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid var(--border)}.cat-stats-row:last-child{border-bottom:none}.cat-stats-name{font-size:14px;font-weight:500}.cat-stats-counts{display:flex;gap:8px;font-size:13px}.cat-count-total{font-weight:600}.cat-count-feces{color:var(--feces-fg)}.cat-count-urine{color:var(--urine-fg)}.cat-item{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}.cat-item:last-of-type{border-bottom:none}.cat-name{flex:1;font-weight:500;font-size:14px}.cat-weight{font-size:13px;color:var(--text-muted);margin-right:8px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:9px 16px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;border:none;transition:opacity .15s;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-secondary{background:var(--border);color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:6px 12px;font-size:13px}.btn-full{width:100%}.form-group{margin-bottom:12px}.form-label{display:block;font-size:12px;font-weight:600;color:var(--text-muted);margin-bottom:4px}.form-input{width:100%;padding:9px 11px;border:1.5px solid var(--border);border-radius:8px;font-size:14px;color:var(--text);background:#fff;outline:none;transition:border-color .15s;-webkit-appearance:none}.form-input:focus{border-color:var(--primary)}.loading-msg{text-align:center;color:var(--text-muted);padding:32px 0;font-size:14px}.empty-msg{text-align:center;color:var(--text-muted);padding:20px 0;font-size:14px}.error-msg{color:var(--danger);font-size:13px;margin-top:4px}.row-gap{display:flex;gap:8px}.login-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100dvh;padding:24px;text-align:center;gap:12px}.login-title{font-size:26px;font-weight:700}.login-subtitle{color:var(--text-muted);font-size:15px;margin-bottom:8px}.logout-btn{background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff;padding:5px 11px;border-radius:6px;font-size:13px;cursor:pointer}