/* =====================================================================
   main.css — ระบบดีไซน์หลัก (Corporate Navy/Black, Dark Mode-First)
   ใช้ CSS variables จาก theme-dark.css (default) / theme-light.css (override)
   โหลดคู่กันเสมอ: theme-light.css -> theme-dark.css -> main.css
   ไอคอนใช้ Lucide (https://lucide.dev) — โหลดผ่าน footer.php, ดู svg.lucide ด้านล่าง
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: 'Kanit', 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.65;
  transition: background-color .25s ease, color .25s ease;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  font-family: 'Kanit', 'Inter', sans-serif;
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 .5em;
  color: var(--color-text);
}
p { margin: 0 0 1em; }
a { color: var(--color-text); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--color-primary-strong); }
img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
::selection { background: var(--color-primary); color: #fff; }

/* ---------- Icons (Lucide) ---------- */
svg.lucide, .icon { width: 1.1em; height: 1.1em; vertical-align: -0.15em; flex-shrink: 0; stroke-width: 1.75; }
.icon-lg { width: 1.6em; height: 1.6em; }
.icon-xl { width: 2.4em; height: 2.4em; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.section { padding: 48px 0; }
.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.section-title::before {
  content: '';
  width: 4px; height: 22px;
  background: var(--color-primary);
  display: inline-block;
}
.grid { display: grid; gap: 20px; }
.grid--products { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; } .gap-24 { gap: 24px; }
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}
.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-sm { font-size: .875rem; }
.text-mono { font-family: 'Inter', monospace; font-variant-numeric: tabular-nums; }

/* ---------- Navbar ---------- */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background-color: var(--color-surface-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.navbar__inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; gap: 16px; }
.navbar__brand {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Kanit', sans-serif; font-weight: 600; font-size: 1.25rem;
  color: var(--color-text); letter-spacing: .01em;
}
.navbar__brand svg.lucide { color: var(--color-primary); }
.navbar__links { display: flex; align-items: center; gap: 26px; }
.navbar__links a { color: var(--color-text-muted); font-weight: 500; padding: 6px 2px; border-bottom: 2px solid transparent; }
.navbar__links a:hover, .navbar__links a.active { color: var(--color-text); border-bottom-color: var(--color-primary); }
.navbar__actions { display: flex; align-items: center; gap: 10px; }
.navbar__toggle { display: none; background: none; border: none; font-size: 1.6rem; cursor: pointer; color: var(--color-text); }

.theme-toggle {
  width: 40px; height: 40px; border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-surface-alt);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--color-text);
  transition: border-color .18s ease, color .18s ease;
}
.theme-toggle:hover { border-color: var(--color-primary); color: var(--color-primary-strong); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: .92rem;
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease, transform .1s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-strong); }
.btn--secondary { background: var(--color-surface-alt); color: var(--color-text); border-color: var(--color-border); }
.btn--secondary:hover { border-color: var(--color-secondary-strong); }
.btn--accent { background: var(--color-primary); color: #fff; }
.btn--outline { background: transparent; border-color: var(--color-primary); color: var(--color-primary-strong); }
.btn--outline:hover { background: rgba(var(--glow-color), .08); }
.btn--ghost { background: transparent; color: var(--color-text-muted); border-color: transparent; }
.btn--ghost:hover { color: var(--color-text); background: var(--color-surface-alt); }
.btn--danger { background: var(--color-error); color: #fff; }
.btn--danger:hover { background: var(--color-error-strong); }
.btn--sm { padding: 8px 16px; font-size: .82rem; border-radius: var(--radius-sm); }
.btn--lg { padding: 14px 30px; font-size: 1rem; }
.btn--block { width: 100%; }
.btn--icon { padding: 10px; border-radius: var(--radius-pill); }

/* ---------- Cards ---------- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  padding: 24px;
}
.card--product {
  padding: 0; overflow: hidden; display: flex; flex-direction: column;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
  position: relative;
}
.card--product:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--color-primary); }
/* รูปสินค้าจาก API ภายนอกส่วนใหญ่เป็นโลโก้/ไอคอนแอป ไม่ใช่ภาพถ่าย — ใช้ทรงกลมลอยกลางพื้นไล่เฉด
   แทนการ crop เต็มกรอบสี่เหลี่ยม (แนวทางเดียวกับเว็บเดิมที่ใช้งานจริง thshops_html) กันภาพขยาย/ตัดจนดูแปลก */
.card--product .card__image {
  aspect-ratio: 4/3; overflow: hidden;
  background: linear-gradient(135deg, var(--color-surface-alt) 0%, var(--color-surface) 100%);
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.card--product .card__image img {
  width: 96px; height: 96px; border-radius: 50%;
  object-fit: cover; background: var(--color-surface);
  border: 3px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, border-color .25s ease;
}
.card--product:hover .card__image img { transform: scale(1.06); border-color: var(--color-primary); }
.card--product .card__body { padding: 16px 16px 0; display: flex; flex-direction: column; gap: 6px; }
.card--product .card__title { font-size: 1rem; font-weight: 600; margin: 0; }
.card--product .card__meta { display: flex; align-items: center; gap: 6px; font-size: .8rem; color: var(--color-text-muted); }
.card--product .card__price { font-family: 'Inter', sans-serif; font-size: 1.15rem; font-weight: 700; color: var(--color-primary-strong); }
.card--product .card__price del { color: var(--color-text-muted); font-weight: 400; font-size: .8em; margin-right: 6px; }
.card--product .card__footer { padding: 12px 16px 16px; margin-top: 8px; border-top: 1px solid var(--color-border); }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: var(--radius-sm);
  font-size: .72rem; font-weight: 600;
  letter-spacing: .02em;
  border: 1px solid transparent;
}
.badge--bestseller { background: rgba(192, 138, 46, .12); border-color: var(--color-warning); color: var(--color-warning-strong); }
.badge--sale { background: rgba(196, 41, 63, .12); border-color: var(--color-error); color: var(--color-error-strong); }
.badge--new { background: rgba(155, 154, 152, .12); border-color: var(--color-secondary); color: var(--color-secondary-strong); }
.badge--success { background: rgba(63, 166, 107, .12); border-color: var(--color-success); color: var(--color-success-strong); }
.badge--warning { background: rgba(192, 138, 46, .12); border-color: var(--color-warning); color: var(--color-warning-strong); }
.badge--error { background: rgba(196, 41, 63, .12); border-color: var(--color-error); color: var(--color-error-strong); }
.badge--muted { background: var(--color-surface-alt); color: var(--color-text-muted); border-color: var(--color-border); }
.card__ribbon {
  position: absolute; top: 12px; left: 12px; z-index: 2;
}

/* ---------- Forms ---------- */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .9rem; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--glow-color), 0.14);
}
.form-textarea { resize: vertical; min-height: 110px; }
.form-hint { font-size: .8rem; color: var(--color-text-muted); margin-top: 4px; }
.input-group { display: flex; }
.input-group .form-input { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.input-group .btn { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }

/* ---------- Alerts ---------- */
.alert { padding: 13px 16px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: .9rem; border: 1px solid transparent; display: flex; align-items: center; gap: 10px; }
.alert--success { background: rgba(63, 166, 107, .08); border-color: var(--color-success); }
.alert--error { background: rgba(196, 41, 63, .08); border-color: var(--color-error); }
.alert--warning { background: rgba(192, 138, 46, .08); border-color: var(--color-warning); }

/* ---------- Hero ---------- */
.hero {
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #17171A 0%, #0A0A0B 100%);
  padding: 56px 44px;
  color: var(--color-text);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
}
.hero h1 { color: #fff; font-size: 2.1rem; font-weight: 600; }
.hero p { color: var(--color-text-muted); max-width: 520px; }
.hero::after {
  content: ''; position: absolute; top: -30%; right: -10%; width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(var(--glow-color), .22), transparent 70%);
  pointer-events: none;
}

/* ---------- Hero image slider (แบนเนอร์หมุนสินค้าเด่น หน้าแรก) ---------- */
.hero-slider {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  height: 300px; border: 1px solid var(--color-border);
  background: var(--color-surface-alt);
}
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity .6s ease;
  background-size: cover; background-position: center;
}
.hero-slide.is-active { opacity: 1; }
.hero-slide__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,.82) 0%, rgba(0,0,0,.35) 55%, rgba(0,0,0,.05) 100%);
}
.hero-slide__content { position: absolute; left: 0; right: 0; bottom: 0; padding: 28px 32px; color: #fff; }
.hero-slide__content .badge { margin-bottom: 8px; }
.hero-slide__content h2 { color: #fff; font-size: 1.5rem; margin: 0 0 6px; }
.hero-slide__content .price { font-size: 1.2rem; font-weight: 700; color: var(--color-primary-strong); margin-bottom: 12px; }
.hero-dots { position: absolute; right: 20px; bottom: 20px; display: flex; gap: 6px; z-index: 2; }
.hero-dots button {
  width: 8px; height: 8px; border-radius: 50%; border: none; padding: 0; cursor: pointer;
  background: rgba(255,255,255,.4); transition: background .2s ease, width .2s ease;
}
.hero-dots button.is-active { background: #fff; width: 22px; border-radius: 4px; }
@media (max-width: 700px) { .hero-slider { height: 220px; } .hero-slide__content h2 { font-size: 1.15rem; } }

/* ---------- Marquee ประกาศ ---------- */
.marquee-bar { display: flex; align-items: stretch; border: 1px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; background: var(--color-surface); }
.marquee-bar__label { display: flex; align-items: center; gap: 6px; padding: 10px 16px; background: var(--color-surface-alt); font-size: .82rem; font-weight: 600; white-space: nowrap; color: var(--color-text-muted); }
.marquee-bar__track { flex: 1; overflow: hidden; display: flex; align-items: center; position: relative; }
.marquee-bar__track span { display: inline-block; padding-left: 100%; white-space: nowrap; font-size: .88rem; animation: marquee 18s linear infinite; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-100%); } }

/* ---------- Category banner tiles (หมวดหมู่แนะนำ) ---------- */
.category-banner {
  position: relative; display: block; border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 16/7; border: 1px solid var(--color-border);
  background-size: cover; background-position: center;
}
.category-banner__scrim { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(0,0,0,.7) 0%, rgba(0,0,0,.25) 60%, transparent 100%); transition: background .25s ease; }
.category-banner__content { position: absolute; left: 24px; bottom: 20px; color: #fff; }
.category-banner__content .icon-lg { margin-bottom: 8px; color: var(--color-primary-strong); }
.category-banner__content h3 { color: #fff; margin: 0 0 4px; font-size: 1.2rem; }
.category-banner__content p { color: rgba(255,255,255,.75); margin: 0; font-size: .82rem; }
.category-banner:hover .category-banner__scrim { background: linear-gradient(100deg, rgba(0,0,0,.82) 0%, rgba(0,0,0,.4) 60%, transparent 100%); }
@media (max-width: 700px) { .category-banner { aspect-ratio: 16/9; } }

/* ---------- Stats counter section (ตัวเลขความน่าเชื่อถือ) ---------- */
.stats-section { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; }
.stat-box { text-align: center; padding: 22px 12px; border-radius: var(--radius-lg); border: 1px solid var(--color-border); background: var(--color-surface); }
.stat-box__value { font-family: 'Inter', sans-serif; font-size: 1.9rem; font-weight: 700; color: var(--color-primary-strong); font-variant-numeric: tabular-nums; line-height: 1.2; }
.stat-box__label { font-size: .82rem; color: var(--color-text-muted); margin-top: 4px; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: .85rem; color: var(--color-text-muted); margin-bottom: 20px; flex-wrap: wrap; }
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary-strong); }

/* ---------- Footer ---------- */
.footer { background: var(--color-surface); border-top: 1px solid var(--color-border); padding: 40px 0 24px; margin-top: 60px; }
.footer__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 24px; margin-bottom: 24px; }
.footer__title { font-weight: 600; margin-bottom: 10px; }
.footer__links a { display: flex; align-items: center; gap: 8px; color: var(--color-text-muted); padding: 4px 0; }
.footer__links a:hover { color: var(--color-text); }
.footer__bottom { text-align: center; padding-top: 20px; border-top: 1px solid var(--color-border); color: var(--color-text-muted); font-size: .85rem; }

/* ---------- Live "sold" ticker ---------- */
.sold-ticker {
  display: flex; align-items: center; gap: 10px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-success);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: .85rem;
  animation: soldPop .4s ease;
}
.sold-ticker .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--color-success-strong); animation: pulseDot 1.4s infinite; }
@keyframes pulseDot { 0%,100% { opacity: 1; } 50% { opacity: .3; } }
@keyframes soldPop { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- Table (ใช้กับ history / admin) ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
table.table { width: 100%; border-collapse: collapse; background: var(--color-surface); font-size: .9rem; }
table.table th, table.table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--color-border); }
table.table th { background: var(--color-surface-alt); font-weight: 600; white-space: nowrap; letter-spacing: .02em; text-transform: uppercase; font-size: .74rem; color: var(--color-text-muted); }
table.table tbody tr:hover { background: var(--color-surface-alt); }

/* ---------- Pagination ---------- */
.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 24px; }
.pagination a, .pagination span {
  min-width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm); border: 1px solid var(--color-border); color: var(--color-text);
}
.pagination a:hover { border-color: var(--color-primary); }
.pagination .active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ---------- Empty state ---------- */
.empty-state { text-align: center; padding: 60px 20px; color: var(--color-text-muted); }
.empty-state svg.lucide { width: 2.6rem; height: 2.6rem; margin-bottom: 12px; color: var(--color-text-muted); opacity: .5; }

/* ---------- Utilities ---------- */
.skeleton { background: linear-gradient(90deg, var(--color-surface-alt) 25%, var(--color-border) 37%, var(--color-surface-alt) 63%); background-size: 400% 100%; animation: skeleton 1.4s ease infinite; border-radius: var(--radius-sm); }
@keyframes skeleton { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .navbar__links { position: fixed; inset: 64px 0 0 0; background: var(--color-bg); flex-direction: column; padding: 24px; gap: 18px; transform: translateX(100%); transition: transform .25s ease; }
  .navbar__links.is-open { transform: translateX(0); }
  .navbar__toggle { display: block; }
  .hero { padding: 36px 24px; }
  .hero h1 { font-size: 1.6rem; }
}