:root{--bg: #ffffff;--surface-raised: #f7f7f6;--surface-image: #f4f4f2;--surface-dialog: #ffffff;--ink: #16181d;--text-primary: #16181d;--text-secondary: #656b73;--text-tertiary: #9297a0;--text-muted: #b8bcc2;--text-missing: #cbced3;--hair: rgba(17, 24, 39, .1);--hair-soft: rgba(17, 24, 39, .06);--row-hover: rgba(17, 24, 39, .022);--panel-hover: rgba(17, 24, 39, .04);--best-fill: rgba(17, 24, 39, .05);--btn-face: rgba(17, 24, 39, .015);--ac: #3170b1;--ac-soft: rgba(49, 112, 177, .09);--rail-w: 210px;--col-w: 300px;--add-slot-w: 220px;--sans: "Space Grotesk", system-ui, -apple-system, sans-serif;--radius: 12px;--radius-sm: 8px}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg)}body{font-family:var(--sans);color:var(--text-primary);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--ink);text-decoration:none}button{font-family:inherit}::-webkit-scrollbar{width:12px;height:12px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#e2e3e0;border:3px solid var(--bg);border-radius:999px}::-webkit-scrollbar-thumb:hover{background:#cfd0cd}::placeholder{color:var(--text-tertiary)}@keyframes dcFade{0%{opacity:0}to{opacity:1}}@keyframes dcRise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.app{min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}.header{flex:none;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 28px;border-bottom:1px solid var(--hair-soft)}.header__left{display:flex;align-items:center;gap:14px}.header__logo{display:block;flex:none;color:var(--ink)}.header__title{font-size:19px;font-weight:600;letter-spacing:-.01em;color:var(--text-primary);line-height:1.1}.header__subtitle{font-size:14px;font-weight:400;color:var(--text-secondary);margin-top:4px;line-height:1.35;text-wrap:pretty}.header__right{display:flex;align-items:center;gap:16px}.header__count{font-size:13px;color:var(--text-secondary);font-variant-numeric:tabular-nums}.btn-ghost{background:none;border:none;color:var(--text-secondary);font-size:13px;font-weight:500;padding:7px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:color .15s,background .15s}.btn-ghost:hover{color:var(--ink);background:var(--panel-hover)}.unit-toggle{display:flex;align-items:center;gap:2px;padding:2px;background:var(--surface-raised);border:1px solid var(--hair-soft);border-radius:999px}.unit-toggle__btn{background:none;border:none;color:var(--text-secondary);font-size:12.5px;font-weight:500;padding:5px 13px;border-radius:999px;cursor:pointer;transition:color .15s,background .15s,box-shadow .15s}.unit-toggle__btn:hover{color:var(--ink)}.unit-toggle__btn[aria-pressed=true]{color:var(--ac);font-weight:600;background:var(--bg);box-shadow:0 1px 2px #11182714}.empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;background:var(--bg)}.empty__add{width:128px;height:128px;display:flex;align-items:center;justify-content:center;background:var(--ac-soft);border:1.5px dashed var(--ac);border-radius:var(--radius);color:var(--ac);font-size:48px;font-weight:200;line-height:1;padding-bottom:6px;cursor:pointer;transition:color .18s,border-color .18s,background .18s,transform .18s}.empty__add:hover{color:var(--ac);border-color:var(--ac);background:#3170b124}.empty__caption{font-size:13.5px;color:var(--text-tertiary);text-align:center}.compare{flex:1;overflow-x:auto;overflow-y:auto}.compare__track{min-width:100%;display:inline-block;padding-bottom:80px}.row{display:flex;align-items:stretch}.row--header{border-bottom:1px solid var(--hair)}.row--section{border-bottom:1px solid var(--hair-soft);background:var(--surface-raised)}.row--spec{border-bottom:1px solid var(--hair-soft);transition:background .14s}.row--spec:hover{background:var(--row-hover)}.rail{width:var(--rail-w);flex:none;position:sticky;left:0;border-right:1px solid var(--hair-soft)}.rail--header{z-index:3;background:var(--bg);display:flex;align-items:flex-end;padding:0 22px 18px}.rail--header .rail__label{font-size:10.5px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--text-tertiary)}.rail--section{z-index:3;background:var(--surface-raised);padding:12px 22px}.rail--section .rail__label{font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ac)}.rail--spec{z-index:2;background:var(--bg);padding:13px 22px;display:flex;align-items:center;gap:8px}.rail--spec .rail__label{font-size:13px;font-weight:500;color:var(--text-secondary);line-height:1.4}.differs-dot{width:5px;height:5px;flex:none;background:var(--text-muted);border-radius:50%}.section__filler{flex:1;min-width:0}.col{width:var(--col-w);flex:none;padding:14px 22px 24px;border-right:1px solid var(--hair-soft);display:flex;flex-direction:column;animation:dcFade .22s ease-out}.col__remove-row{display:flex;align-items:center;margin:0 0 4px -8px}.col__remove{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:none;border:none;color:var(--text-muted);font-size:22px;line-height:1;border-radius:var(--radius-sm);cursor:pointer;transition:color .15s,background .15s}.col__remove:hover{color:var(--ink);background:var(--panel-hover)}.col__image{height:156px;width:100%;object-fit:contain;background-color:var(--surface-image);border-radius:var(--radius-sm);display:block;padding:12px}.col__manufacturer{font-size:11px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--text-tertiary);margin-top:6px}.col__name{font-size:17px;font-weight:500;line-height:1.25;margin-top:6px;color:var(--text-primary);text-wrap:pretty}.col__description{font-size:13px;line-height:1.5;color:var(--text-secondary);margin:8px 0 0;text-wrap:pretty}.col__footer{margin-top:auto}.col__price-row{display:flex;align-items:center;gap:10px;margin-top:12px}.col__price{font-size:15px;font-weight:500;color:var(--text-primary);font-variant-numeric:tabular-nums}.col__chip{font-size:12px;font-weight:500;color:var(--text-secondary);background:var(--surface-raised);border-radius:999px;padding:3px 10px}.col__buy{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding:11px 15px;border:1px solid var(--ac);border-radius:var(--radius-sm);font-size:13px;font-weight:600;color:var(--ac);transition:background .15s,color .15s}.col__buy:hover{background:var(--ac);color:#fff}.col__unverified{font-size:11.5px;color:var(--text-tertiary);margin-top:9px}.add-slot{width:var(--add-slot-w);flex:none;display:flex;align-items:flex-start;justify-content:center;padding:24px 20px}.add-slot__btn{width:52px;height:52px;display:flex;align-items:center;justify-content:center;background:var(--ac-soft);border:1.5px dashed var(--ac);border-radius:var(--radius-sm);color:var(--ac);font-size:24px;font-weight:200;line-height:1;padding-bottom:4px;cursor:pointer;transition:color .17s,border-color .17s,background .17s}.add-slot__btn:hover{color:var(--ac);border-color:var(--ac);background:#3170b124}.cell{width:var(--col-w);flex:none;border-right:1px solid var(--hair-soft);padding:13px 22px;display:flex;align-items:center}.cell__value{font-size:13.5px;color:var(--text-primary);line-height:1.45;font-variant-numeric:tabular-nums}.cell__value--best{font-weight:600;color:var(--ac);background:var(--ac-soft);box-shadow:inset 2px 0 0 var(--ac);border-radius:0 4px 4px 0;padding:4px 10px;margin:-4px -10px -4px -12px}.cell__value--missing{color:var(--text-missing)}.cell-spacer{width:var(--add-slot-w);flex:none}.backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;background:#17191e52;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:flex;align-items:flex-start;justify-content:center;padding:11vh 20px 20px;animation:dcFade .14s ease-out}.dialog{width:560px;max-width:100%;background:var(--surface-dialog);border:1px solid var(--hair);border-radius:var(--radius);overflow:hidden;box-shadow:0 24px 64px -24px #11182759,0 2px 8px #1118270f;animation:dcRise .2s ease-out}.dialog__search{display:flex;align-items:center;gap:12px;padding:0 20px;border-bottom:1px solid var(--hair-soft)}.dialog__slash{font-size:15px;font-weight:600;color:var(--ac)}.dialog__input{flex:1;min-width:0;background:none;border:none;outline:none;color:var(--text-primary);font-family:var(--sans);font-size:15px;padding:18px 0}.dialog__esc{background:none;border:1px solid var(--hair);color:var(--text-tertiary);font-size:11px;font-weight:500;padding:4px 9px;border-radius:6px;cursor:pointer;transition:color .15s,border-color .15s}.dialog__esc:hover{color:var(--ink);border-color:var(--text-tertiary)}.dialog__context{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px;border-bottom:1px solid var(--hair-soft)}.dialog__back{background:none;border:none;padding:0;color:var(--ink);font-size:12.5px;font-weight:500;cursor:pointer}.dialog__context-label{font-size:12px;font-weight:500;letter-spacing:.04em;text-transform:uppercase;color:var(--text-tertiary)}.dialog__result-label{font-size:12.5px;color:var(--text-tertiary);font-variant-numeric:tabular-nums}.dialog__list{max-height:46vh;overflow-y:auto}.panel-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;border-bottom:1px solid var(--hair-soft);cursor:pointer;transition:background .14s;width:100%;background:none;border-left:none;border-right:none;border-top:none;text-align:left}.panel-item:last-child{border-bottom:none}.panel-item:hover{background:var(--panel-hover)}.panel-item__primary{font-size:15px;font-weight:500;color:var(--text-primary);line-height:1.3}.panel-item__secondary{font-size:12px;color:var(--text-tertiary);margin-top:4px}.panel-item__meta{font-size:12.5px;color:var(--text-tertiary);flex:none}.panel-empty{padding:34px 20px;text-align:center;font-size:13.5px;color:var(--text-tertiary)}