/* ============================================================
   ADVANCED FILTER SYSTEM — AI-powered
   ============================================================ */

/* TOP ICON CATEGORY STRIP */
.cat-icons-strip {
  max-width: 1320px; margin: 0 auto 24px;
  padding: 0 32px;
  display: grid; grid-template-columns: repeat(10, 1fr); gap: 10px;
}
.cat-icons-strip .ic-cat {
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-radius: var(--r-md);
  padding: 14px 8px 12px;
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: all .25s;
}
.cat-icons-strip .ic-cat:hover { transform: translateY(-3px); border-color: var(--rose); }
.cat-icons-strip .ic-cat.on {
  background: var(--ink);
  border-color: var(--ink);
}
.cat-icons-strip .ic-cat.on .icon-wrap { background: var(--rose); color: var(--ink); }
.cat-icons-strip .ic-cat.on .nm { color: var(--paper); }
.cat-icons-strip .ic-cat.on .ct { color: var(--blush-2); }
.cat-icons-strip .ic-cat .icon-wrap {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--blush);
  display: grid; place-items: center;
  margin: 0 auto 8px;
  color: var(--rose-2);
  transition: all .2s;
}
.cat-icons-strip .ic-cat .nm {
  font-size: 12px; font-weight: 700; color: var(--ink);
  display: block;
}
.cat-icons-strip .ic-cat .ct {
  font-size: 10px; color: var(--mute); margin-top: 2px;
}

/* AI SMART FILTER BAR */
.ai-filter-bar {
  max-width: 1320px; margin: 0 auto 20px;
  padding: 20px 24px;
  background: linear-gradient(135deg, var(--ink) 0%, #1f1c14 100%);
  color: var(--paper);
  border-radius: var(--r-lg);
  display: grid; grid-template-columns: 44px 1fr auto; gap: 16px; align-items: center;
  position: relative;
  overflow: hidden;
}
.ai-filter-bar::after {
  content: "✦"; position: absolute; right: 24px; top: -32px;
  font-size: 140px; color: var(--rose); opacity: 0.08; font-family: var(--display);
}
.ai-filter-bar .av {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--rose-2), var(--blush-2));
  display: grid; place-items: center; color: var(--ink); font-size: 20px;
}
.ai-filter-bar .lbl { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--rose); font-weight: 700; margin-bottom: 4px; }
.ai-filter-bar .input-row {
  background: rgba(255,255,255,0.08); border-radius: 999px;
  display: grid; grid-template-columns: 1fr auto; gap: 8px;
  padding: 4px 4px 4px 16px; align-items: center;
}
.ai-filter-bar input {
  background: transparent; border: 0; outline: none;
  color: var(--paper); font-size: 14px; padding: 8px 0;
}
.ai-filter-bar input::placeholder { color: rgba(255,255,255,0.5); }
.ai-filter-bar .ask-btn {
  background: var(--rose); color: var(--ink);
  padding: 10px 18px; border-radius: 999px;
  font-size: 12px; font-weight: 700;
}
.ai-filter-bar .examples { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.ai-filter-bar .examples button {
  background: rgba(255,255,255,0.06); color: var(--blush-2);
  padding: 5px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 500;
  border: 1px solid rgba(255,255,255,0.08);
}
.ai-filter-bar .examples button:hover { background: var(--rose); color: var(--ink); border-color: var(--rose); }

/* ADVANCED FILTERS PANEL */
.adv-panel {
  background: var(--paper);
  border-radius: var(--r-md);
  padding: 22px;
  height: fit-content;
  position: sticky; top: 88px;
}
.adv-panel .top-row {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 14px; margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.adv-panel .top-row h3 {
  font-family: var(--display); font-weight: 400; font-size: 22px;
}
.adv-panel .top-row h3 em { font-style: italic; color: var(--rose-2); }
.adv-panel .top-row .reset { font-size: 11px; color: var(--sale); font-weight: 600; cursor: pointer; }
.adv-panel .active-count {
  display: flex; align-items: center; gap: 6px; padding: 8px 12px;
  background: var(--blush); color: var(--rose-2);
  border-radius: 8px; font-size: 11px; font-weight: 700; margin-bottom: 14px;
}

.adv-block {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.adv-block:last-child { border-bottom: 0; }
.adv-block summary {
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer; list-style: none;
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink); font-weight: 700;
  padding: 4px 0;
}
.adv-block summary::-webkit-details-marker { display: none; }
.adv-block summary::after {
  content: "−"; font-size: 18px; color: var(--rose-2);
}
.adv-block:not([open]) summary::after { content: "+"; }
.adv-block .body { padding-top: 14px; }

.adv-block .ai-hint {
  background: var(--blush);
  padding: 8px 12px; border-radius: 8px;
  font-size: 11px; color: var(--ink-2); margin-bottom: 12px;
  display: flex; gap: 8px; align-items: center;
}
.adv-block .ai-hint .sp { color: var(--rose-2); font-size: 12px; }

.adv-block .opts { display: grid; gap: 8px; }
.adv-block .opts li {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; color: var(--ink-2);
  cursor: pointer;
}
.adv-block .opts li:hover { color: var(--rose-2); }
.adv-block .opts li .ck {
  width: 18px; height: 18px; border-radius: 5px;
  border: 1.5px solid var(--line-2);
  display: inline-grid; place-items: center;
  margin-right: 10px; color: var(--ink); font-size: 11px; font-weight: 700;
  transition: all .15s;
}
.adv-block .opts li.on .ck { background: var(--rose); border-color: var(--rose); color: var(--ink); }
.adv-block .opts li.on .ck::after { content: "✓"; }
.adv-block .opts li .n {
  font-size: 11px; color: var(--mute);
  background: var(--bg); padding: 2px 8px; border-radius: 999px;
}
.adv-block .opts li.on .n { background: var(--blush); color: var(--rose-2); }

/* Range slider */
.adv-range {
  margin: 6px 0;
}
.adv-range .vals {
  display: flex; justify-content: space-between;
  font-size: 11px; color: var(--mute); margin-bottom: 8px;
}
.adv-range .vals b { color: var(--ink); font-weight: 700; }
.adv-range .track {
  height: 6px; background: var(--bg);
  border-radius: 3px;
  position: relative;
  margin: 16px 4px;
}
.adv-range .track .fill {
  position: absolute; height: 100%;
  background: linear-gradient(90deg, var(--rose-2), var(--blush-2));
  border-radius: 3px;
}
.adv-range .track .handle {
  position: absolute; top: -7px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--ink); border: 3px solid var(--paper);
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
  cursor: grab;
}
.adv-range .input-pair {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 8px; align-items: center;
  margin-top: 10px;
}
.adv-range .input-pair input {
  background: var(--bg); border: 1px solid var(--line);
  padding: 8px 10px; border-radius: 6px; font-size: 12px;
  outline: none;
}
.adv-range .input-pair span { color: var(--mute); font-size: 12px; }

/* Visual color swatch group */
.adv-block .sw-grp { display: flex; flex-wrap: wrap; gap: 8px; }
.adv-block .sw-grp .sw {
  width: 32px; height: 32px; border-radius: 50%;
  border: 2px solid var(--paper);
  outline: 1.5px solid var(--line);
  cursor: pointer;
  position: relative;
}
.adv-block .sw-grp .sw.on { outline-color: var(--rose); outline-width: 2.5px; }
.adv-block .sw-grp .sw.on::after {
  content: "✓"; position: absolute; inset: 0;
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 13px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

/* Pill grid (sizes, etc.) */
.adv-block .pill-grp { display: flex; flex-wrap: wrap; gap: 6px; }
.adv-block .pill-grp .pill {
  padding: 7px 14px;
  background: var(--bg); border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px; font-weight: 600;
  color: var(--ink-2); cursor: pointer;
}
.adv-block .pill-grp .pill:hover { border-color: var(--rose); }
.adv-block .pill-grp .pill.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* AI suggest block */
.ai-suggest-fil {
  background: linear-gradient(135deg, var(--blush), var(--blush-2));
  border-radius: var(--r-md); padding: 14px 16px;
  margin-bottom: 16px;
}
.ai-suggest-fil .top { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.ai-suggest-fil .top .av { width: 24px; height: 24px; border-radius: 50%; background: var(--ink); color: var(--blush-2); display: grid; place-items: center; font-size: 12px; }
.ai-suggest-fil .top b { font-size: 12px; color: var(--ink); font-weight: 700; }
.ai-suggest-fil p { font-size: 12px; color: var(--ink-2); line-height: 1.5; margin-bottom: 10px; }
.ai-suggest-fil .apply {
  width: 100%; background: var(--ink); color: var(--paper);
  padding: 10px; border-radius: 8px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
}

@media (max-width: 1100px) {
  .cat-icons-strip { grid-template-columns: repeat(5, 1fr); }
}
@media (max-width: 640px) {
  .cat-icons-strip { grid-template-columns: repeat(4, 1fr); padding: 0 16px; }
  .ai-filter-bar { grid-template-columns: 1fr; padding: 16px; }
  .ai-filter-bar .av { display: none; }
}