/* catalog_easy — หน้าเลือกสินค้าแบบง่ายของ SPVDO (ธีม V1 เดิม)
   ดีไซน์ตามแนวทาง easy-catalog: ค้นหา + หมวด + กริดการ์ด + ดูเพิ่ม จบ */

:root {
  --bg: #0a0d14;
  --surface: #10141f;
  --surface-2: #1b2333;
  --border: rgba(255, 255, 255, .08);
  --text: #eef1f7;
  --dim: #93a0b4;
  --emerald: #2fd27a;
  --cyan: #00d2ff;
  --pink: #ff2d6f;
  --radius: 14px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Bai Jamjuree', -apple-system, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ---------- topbar ---------- */
.ce-topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px;
  background: rgba(16, 20, 31, .94);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
}
.brand-lockup {
  display: flex; align-items: center; gap: 9px;
  color: var(--text); text-decoration: none;
  font-weight: 700; font-size: 16.5px; letter-spacing: .2px;
}
.brand-lockup b { color: var(--cyan); }
.brand-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 10px rgba(47, 210, 122, .7);
}
.ce-full-link {
  color: var(--dim); text-decoration: none; font-size: 13px; font-weight: 600;
  padding: 7px 13px; border-radius: 18px;
  border: 1px solid var(--border); background: var(--surface);
}
.ce-full-link:hover { color: var(--text); border-color: rgba(255,255,255,.2); }

/* ---------- main ---------- */
.ce-main { max-width: 1280px; margin: 0 auto; padding: 18px 16px 90px; }
.ce-title { font-size: clamp(19px, 4vw, 25px); margin: 6px 0 4px; }
.ce-sub { color: var(--dim); font-size: 13.5px; margin: 0 0 16px; line-height: 1.5; }

/* search */
.ce-search { position: relative; margin-bottom: 12px; }
.ce-search-icon {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  width: 17px; height: 17px; fill: none; stroke: var(--dim); stroke-width: 2;
  pointer-events: none;
}
#search {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 12px;
  padding: 13px 42px;
  font-size: 15px;
  font-family: inherit;
}
#search:focus { outline: none; border-color: rgba(0, 210, 255, .45); }
.ce-search-clear {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  background: var(--surface-2); color: var(--dim);
  border: none; border-radius: 50%;
  width: 28px; height: 28px; font-size: 16px; line-height: 1;
  cursor: pointer;
}
.ce-search-clear:hover { color: var(--text); }

/* categories: trigger (มือถือ) + chips (จอกว้าง) */
.ce-cat-trigger { display: none; }
.ce-cats {
  display: flex; gap: 7px; overflow-x: auto; padding-bottom: 4px;
  scrollbar-width: none;
}
.ce-cats::-webkit-scrollbar { display: none; }
.ce-cat {
  flex: none;
  background: var(--surface); color: var(--dim);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 7px 14px;
  font-size: 13px; font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}
.ce-cat:hover { color: var(--text); }
.ce-cat.active { color: var(--cyan); background: rgba(0, 210, 255, .09); border-color: rgba(0, 210, 255, .35); }

.ce-count { color: var(--dim); font-size: 13px; margin: 12px 2px 10px; min-height: 18px; }

/* sheet (dialog หมวดบนมือถือ) */
.ce-sheet { border: none; border-radius: 18px 18px 0 0; }
.ce-sheet::backdrop { background: rgba(4, 6, 10, .65); }
.ce-sheet[open] {
  position: fixed; inset: auto 0 0 0;
  width: min(100%, 520px); margin: 0 auto;
  background: var(--surface);
  color: var(--text);
  max-height: 76vh; display: flex; flex-direction: column;
}
.ce-sheet-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px 10px;
}
.ce-sheet-head h2 { margin: 0; font-size: 16px; }
.ce-sheet-close {
  background: var(--surface-2); color: var(--dim);
  border: none; border-radius: 50%;
  width: 32px; height: 32px; font-size: 18px; cursor: pointer;
}
.ce-sheet-list { overflow-y: auto; padding: 0 8px 18px; }
.ce-sheet-item {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  width: 100%;
  background: none; border: none;
  color: var(--text);
  font-family: inherit; font-size: 14.5px;
  padding: 13px 12px;
  border-radius: 10px;
  cursor: pointer; text-align: left;
}
.ce-sheet-item:hover { background: var(--surface-2); }
.ce-sheet-item.active { color: var(--cyan); }
.ce-sheet-item small { color: var(--dim); font-size: 12.5px; }

/* ---------- grid ---------- */
.ce-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.ce-skeleton {
  border-radius: var(--radius);
  background: linear-gradient(100deg, var(--surface) 40%, var(--surface-2) 50%, var(--surface) 60%);
  background-size: 200% 100%;
  animation: ce-shimmer 1.3s infinite;
  aspect-ratio: 3 / 4.1;
}
@keyframes ce-shimmer { to { background-position: -200% 0; } }

.ce-card {
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  font-family: inherit; color: var(--text);
  transition: border-color .15s, transform .15s;
}
.ce-card:hover { border-color: rgba(0, 210, 255, .4); transform: translateY(-2px); }
.ce-card:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

.ce-card-img { position: relative; aspect-ratio: 1; background: var(--surface-2); }
.ce-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ce-go {
  position: absolute; right: 8px; bottom: 8px;
  background: rgba(10, 13, 20, .82);
  border: 1px solid rgba(0, 210, 255, .5);
  color: var(--cyan);
  font-size: 11.5px; font-weight: 700;
  padding: 5px 10px; border-radius: 14px;
  pointer-events: none;
}
.ce-hot-badge {
  position: absolute; left: 8px; top: 8px;
  background: rgba(255, 45, 111, .92);
  color: #fff; font-size: 11px; font-weight: 700;
  padding: 3px 9px; border-radius: 12px;
  pointer-events: none;
}

.ce-card-body { display: flex; flex-direction: column; gap: 6px; padding: 11px 12px 13px; }
.ce-card-name {
  font-size: 13.5px; line-height: 1.42;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; min-height: 2.84em;
}
.ce-card-price-row { display: flex; align-items: baseline; gap: 7px; flex-wrap: wrap; }
.ce-card-price { color: var(--emerald); font-weight: 700; font-size: 15.5px; }
.ce-card-orig { color: var(--dim); font-size: 12px; text-decoration: line-through; }
.ce-card-disc { color: var(--pink); font-size: 12px; font-weight: 700; }
.ce-card-meta { display: flex; align-items: center; gap: 8px; color: var(--dim); font-size: 12px; flex-wrap: wrap; }
.ce-card-sold::before { content: "🛒 "; font-size: 10px; }
.ce-card-comm {
  color: var(--cyan); border: 1px solid rgba(0, 210, 255, .3);
  background: rgba(0, 210, 255, .07);
  border-radius: 10px; padding: 2px 8px; font-weight: 600; font-size: 11.5px;
}

.ce-error {
  grid-column: 1 / -1;
  background: rgba(255, 45, 111, .08);
  border: 1px solid rgba(255, 45, 111, .3);
  color: var(--text);
  border-radius: var(--radius);
  padding: 18px; text-align: center; font-size: 14px;
}

/* more / end */
.ce-more-wrap { display: grid; place-items: center; margin-top: 18px; gap: 8px; }
.ce-more {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 11px 34px;
  font-size: 14px; font-weight: 600; font-family: inherit;
  cursor: pointer;
}
.ce-more:hover { border-color: rgba(0, 210, 255, .4); color: var(--cyan); }
.ce-end { color: var(--dim); font-size: 13px; margin: 0; }

/* ---------- advanced ---------- */
.ce-advanced {
  margin-top: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.ce-advanced summary {
  cursor: pointer; padding: 13px 16px;
  color: var(--dim); font-size: 13.5px; font-weight: 600;
  list-style: none;
}
.ce-advanced summary::-webkit-details-marker { display: none; }
.ce-advanced summary::before { content: "⚙ "; }
.ce-advanced[open] summary { border-bottom: 1px solid var(--border); }
.ce-advanced-body { padding: 14px 16px 18px; display: grid; gap: 18px; }
.ce-adv-group h2 { margin: 0 0 9px; font-size: 12.5px; color: var(--dim); font-weight: 600; text-transform: uppercase; letter-spacing: .4px; }
.ce-pills { display: flex; gap: 7px; flex-wrap: wrap; }
.ce-pill {
  background: var(--surface-2); color: var(--dim);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 7px 13px;
  font-size: 13px; font-weight: 600; font-family: inherit;
  cursor: pointer;
}
.ce-pill:hover { color: var(--text); }
.ce-pill.active { color: var(--emerald); border-color: rgba(47, 210, 122, .4); background: rgba(47, 210, 122, .08); }

.ce-ranges { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ce-ranges label { display: grid; gap: 6px; color: var(--dim); font-size: 12.5px; }
.ce-ranges input {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px; font-family: inherit;
}
.ce-ranges input:focus { outline: none; border-color: rgba(0, 210, 255, .45); }
.ce-adv-actions { display: flex; gap: 9px; margin-top: 12px; }
.ce-btn {
  flex: 1;
  background: var(--surface-2); color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px;
  font-size: 14px; font-weight: 600; font-family: inherit;
  cursor: pointer;
}
.ce-btn-primary { background: rgba(0, 210, 255, .12); border-color: rgba(0, 210, 255, .4); color: var(--cyan); }

/* ---------- toast ---------- */
.ce-toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 14px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, .5);
  z-index: 60; max-width: min(92vw, 480px); text-align: center;
}
.ce-toast.err { border-color: rgba(255, 45, 111, .5); }

/* ---------- responsive ---------- */
@media (min-width: 481px) {
  .ce-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
}
@media (min-width: 769px) {
  .ce-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1081px) {
  .ce-grid { grid-template-columns: repeat(5, 1fr); }
}

/* มือถือ: ซ่อน chips แถวยาว ใช้ปุ่มเปิด sheet แทน (ชื่อหมวดไทยยาว 20-35 ตัวอักษร) */
@media (max-width: 640px) {
  .ce-cats { display: none; }
  .ce-cat-trigger {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 14px;
    color: var(--text); font-family: inherit; font-size: 14px;
    cursor: pointer;
    margin-bottom: 4px;
  }
  .ce-cat-trigger-label { color: var(--dim); font-size: 13px; }
  .ce-cat-trigger-value { font-weight: 700; }
}