.dz{margin:26px 0 0;border:2px dashed #C9D0DC;border-radius:16px;background:var(--bg-2);padding:56px 22px;text-align:center;transition:.18s}
.dz.drag{border-color:var(--brand);background:var(--brand-lt)}
.choose-main{display:inline-flex;align-items:center;gap:10px;background:var(--brand);color:#fff;border:none;font-size:1.02rem;font-weight:700;padding:15px 30px;border-radius:11px;cursor:pointer;box-shadow:var(--sh)}
.choose-main:hover{background:var(--brand-dk)}
.dz-note{margin-top:15px;font-size:.88rem;color:var(--ink-2)}
.dz-note b{color:var(--ink);font-weight:600}
.dz-sub{margin-top:5px;font-size:.79rem;color:var(--ink-3)}

/* controls */
.panel{display:none;margin-top:24px;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);background:var(--bg);overflow:hidden}
.panel.on{display:block}
.ctrls{padding:18px 20px;border-bottom:1px solid var(--line);background:var(--bg-2)}
.mode{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}
.mode button{flex:1;min-width:130px;padding:11px 12px;font-size:.87rem;font-weight:600;background:var(--bg);color:var(--ink-2);border:1px solid var(--line);border-radius:9px;cursor:pointer;transition:.15s}
.mode button:hover{border-color:var(--ink-4)}
.mode button.on{background:var(--brand);border-color:var(--brand);color:#fff}
.pane{display:none}
.pane.on{display:block}
.row2{display:flex;gap:22px;flex-wrap:wrap;align-items:flex-end}
.fld{flex:1;min-width:190px}
.fld-l{display:flex;justify-content:space-between;align-items:baseline;font-size:.79rem;color:var(--ink-2);font-weight:600;margin-bottom:8px}
.fld-l b{color:var(--brand);font-weight:700}
input[type=range]{width:100%;-webkit-appearance:none;height:5px;border-radius:3px;background:var(--bg-3);outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--brand);cursor:pointer;border:2px solid #fff;box-shadow:var(--sh)}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--brand);cursor:pointer;border:2px solid #fff}
.hint{display:flex;justify-content:space-between;font-size:.71rem;color:var(--ink-3);margin-top:6px}
.num{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-family:var(--f);font-size:.9rem;color:var(--ink);background:var(--bg)}
.inline{display:flex;gap:8px;align-items:center}
.inline .num{flex:1}
.unit{display:flex;gap:4px}
.unit button{padding:10px 13px;font-size:.8rem;font-weight:600;background:var(--bg);border:1px solid var(--line);border-radius:8px;cursor:pointer;color:var(--ink-3)}
.unit button.on{background:var(--brand-lt);border-color:var(--brand);color:var(--brand)}
.chk{display:flex;align-items:center;gap:9px;font-size:.85rem;color:var(--ink-2);cursor:pointer;margin-top:6px}
.chk input{width:16px;height:16px;accent-color:var(--brand);cursor:pointer}
.est{margin-top:14px;padding:11px 14px;background:var(--brand-lt);border:1px solid #FDD9BE;border-radius:9px;font-size:.85rem;color:var(--ink-2);display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.est b{color:var(--brand);font-weight:700}
.est.calc{opacity:.6}

.actions{display:flex;align-items:stretch;justify-content:space-between;background:var(--bg-2);border-top:1px solid var(--line);flex-wrap:wrap}
.added{padding:16px 18px;font-size:.9rem;color:var(--ink-2);display:flex;align-items:center}
.added b{color:var(--brand);font-weight:700;margin:0 4px}
.go{display:flex;align-items:center;gap:10px;background:var(--brand);color:#fff;border:none;font-size:1rem;font-weight:700;padding:18px 36px;cursor:pointer}
.go:hover{background:var(--brand-dk)}
.go:disabled{opacity:.55;cursor:not-allowed}

.frow{display:flex;align-items:center;gap:14px;padding:14px 16px;border-bottom:1px solid var(--line)}
.frow:last-of-type{border-bottom:none}
.fthumb{width:44px;height:44px;border-radius:8px;object-fit:cover;background:var(--bg-3);flex-shrink:0;cursor:pointer}
.finfo{flex:1;min-width:0}
.fname{font-size:.9rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fmeta{font-size:.83rem;color:var(--ink-3);margin-top:2px;display:flex;gap:9px;flex-wrap:wrap;align-items:center}
.fmeta .old{text-decoration:line-through;opacity:.6}
.fmeta .save{color:var(--ok);font-weight:700}
.fmeta .grew{color:var(--err);font-weight:700}
.lnk{background:none;border:none;color:var(--brand);font-size:.8rem;font-weight:600;cursor:pointer;padding:0;text-decoration:underline;text-underline-offset:2px}
.fsave{margin-top:7px;max-width:420px}
.fbar{height:6px;border-radius:3px;background:var(--bg-3);overflow:hidden}
.fbar span{display:block;height:100%;background:var(--ok);width:0;transition:width .45s cubic-bezier(.2,.8,.2,1)}
.fbar-l{font-size:.75rem;color:var(--ok);font-weight:600;margin-top:4px}
.fsave.up .fbar span{background:var(--err)}
.fsave.up .fbar-l{color:var(--err)}
.fdl{font-size:.8rem;font-weight:700;padding:9px 15px;border-radius:8px;text-decoration:none;white-space:nowrap;background:var(--brand);color:#fff;flex-shrink:0}
.fdl:hover{background:var(--brand-dk)}
.fx{width:32px;height:32px;border-radius:8px;border:none;background:none;color:var(--ink-3);cursor:pointer;font-size:1rem;flex-shrink:0}
.fx:hover{background:var(--bg-3);color:var(--err)}

.totals{display:none;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:16px 20px;background:linear-gradient(90deg,#F0FDF4,transparent);border-bottom:1px solid var(--line)}
.totals.on{display:flex}
.tstat{}
.tnum{font-size:1.5rem;font-weight:800;color:var(--ok);line-height:1}
.tlbl{font-size:.74rem;color:var(--ink-3);margin-top:2px}
.btn-sm{font-size:.85rem;font-weight:700;padding:10px 18px;border-radius:9px;border:none;cursor:pointer;background:var(--brand);color:#fff}
.btn-sm:hover{background:var(--brand-dk)}
.btn-gh{background:transparent;color:var(--ink-2);border:1px solid var(--line)}
.btn-gh:hover{border-color:var(--ink-3);color:var(--ink)}

/* compare modal */
.ovl{position:fixed;inset:0;background:rgba(20,24,33,.55);z-index:90;display:none;align-items:center;justify-content:center;padding:18px}
.ovl.on{display:flex}
.mbox{background:var(--bg);border-radius:14px;box-shadow:var(--sh-lg);max-width:880px;width:100%;max-height:92vh;overflow:auto}
.mhead{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 17px;border-bottom:1px solid var(--line)}
.mtitle{font-size:.9rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mx{background:none;border:none;color:var(--ink-3);font-size:1.4rem;cursor:pointer;line-height:1;padding:0 4px}
.cmp{position:relative;width:100%;background:var(--bg-3);overflow:hidden;user-select:none;touch-action:none;cursor:ew-resize;line-height:0}
.cmp-base{display:block;width:100%;height:auto}
.cmp-top{position:absolute;top:0;left:0;height:100%;width:50%;overflow:hidden}
.cmp-top .cmp-inner{position:absolute;top:0;left:0;height:100%;width:var(--cmpw,100%)}
.cmp-top .cmp-inner img{display:block;width:100%;height:100%}
.cmp-line{position:absolute;top:0;bottom:0;left:50%;width:2px;background:var(--brand);pointer-events:none;transform:translateX(-1px)}
.cmp-line::after{content:'\2194';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;border:3px solid #fff;display:grid;place-items:center;font-size:.9rem;line-height:1;box-shadow:var(--sh)}
.tag{position:absolute;top:9px;font-size:.66rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:4px 9px;border-radius:5px;background:rgba(20,24,33,.75);color:#fff;pointer-events:none;line-height:1.4}
.tag.l{left:9px}
.tag.r{right:9px;background:var(--brand)}
.mfoot{display:flex;gap:20px;padding:12px 17px;border-top:1px solid var(--line);font-size:.82rem;flex-wrap:wrap;color:var(--ink-2)}
.mfoot b{color:var(--ok);font-weight:700}

.ad{margin:34px 0;text-align:center;min-height:90px;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ad-l{font-size:.64rem;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-4);margin-bottom:7px;font-weight:600}
.sec{padding:44px 0;border-top:1px solid var(--line);margin-top:44px}
h2.sh{font-size:1.5rem;font-weight:800;letter-spacing:-.02em;margin-bottom:8px}
.lead{font-size:.95rem;color:var(--ink-2);margin-bottom:18px;max-width:660px}
.howto{margin:6px 0 0;padding-left:20px;color:var(--ink-2)}
.howto li{margin-bottom:9px;font-size:.94rem;padding-left:4px}
.howto b{color:var(--ink);font-weight:700}
.feats{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:26px;margin-top:34px;padding-top:30px;border-top:1px solid var(--line)}
.feat{text-align:center}
.feat-i{font-size:1.7rem;color:var(--brand);margin-bottom:10px;line-height:1}
.feat h3{font-size:1rem;font-weight:700;margin-bottom:8px}
.feat p{font-size:.87rem;color:var(--ink-2);line-height:1.65}
.acc{border:1px solid var(--line);border-radius:var(--r);margin-top:16px;background:var(--bg);box-shadow:var(--sh)}
.acc summary{list-style:none;cursor:pointer;padding:17px 20px;display:flex;align-items:center;justify-content:space-between;font-weight:700;font-size:1.02rem}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:'\25BE';color:var(--ink-3);font-size:.8rem;transition:transform .18s}
.acc[open] summary::after{transform:rotate(180deg)}
.acc-body{padding:16px 20px 20px;border-top:1px solid var(--line)}
.acc-body p{font-size:.9rem;color:var(--ink-2);margin-bottom:11px}
.acc-body p:last-child{margin-bottom:0}
.acc-body b{color:var(--ink);font-weight:700}
.acc-lead{font-size:.88rem;color:var(--ink-3)}
.pairs{display:grid;grid-template-columns:repeat(auto-fit,minmax(155px,1fr));gap:2px 20px;margin-top:12px}
.pairs a{font-size:.88rem;color:var(--brand);text-decoration:none;padding:6px 0;font-weight:500}
.pairs a:hover{text-decoration:underline}
.faq{border-top:1px solid var(--line);padding:16px 0}
.faq summary{font-weight:700;font-size:.94rem;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--brand);font-size:1.2rem;font-weight:700}
.faq[open] summary::after{content:'\2212'}
.faq p{margin-top:10px;font-size:.89rem;color:var(--ink-2)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
@media (max-width:700px){
  .hd-nav a{display:none}
  .dz{padding:40px 16px}
  .frow{flex-wrap:wrap}
  .actions{flex-direction:column}
  .go{justify-content:center;width:100%}
  .totals{flex-direction:column;align-items:flex-start}
}

/* Hide the ad slot + its "Advertisement" label until AdSense is approved and
   a slot actually has content. Once real ad code is inserted into the
   #ad-N div, :empty no longer matches and the block reappears automatically
   — no manual toggling needed when AdSense goes live. */
.ad:has([id^="ad-"]:empty){display:none}
.fnote{color:var(--ink-3);font-style:italic}
.fnote.bad{color:var(--err);font-style:normal;font-weight:600}