/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #F5F5F7;
  --surface:    #FFFFFF;
  --border:     #E5E5EA;
  --border-2:   #D1D1D6;
  --text-1:     #1D1D1F;
  --text-2:     #3C3C43;
  --text-3:     #6E6E73;
  --text-4:     #8E8E93;
  --text-5:     #AEAEB2;
  --orange:     #FF6B35;
  --orange-bg:  #FFF0E8;
  --orange-2:   #E8500A;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,.07), 0 1px 4px rgba(0,0,0,.04);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.10), 0 2px 8px rgba(0,0,0,.05);
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --font:       'Sarabun', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-1);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { text-decoration: none; color: inherit; }

img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
  height: 56px;
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--orange-bg);
  border-radius: 9px;
}

.logo-text {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--text-1);
}

/* nav-search still used on detail/upload pages */
.nav-search {
  flex: 1;
  max-width: 400px;
  position: relative;
  margin: 0 auto;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 36px;
  padding: 0 12px 0 36px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text-1);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}

.search-input::placeholder { color: var(--text-4); }

.search-input:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255,107,53,.12);
}

.nav-actions { flex-shrink: 0; }

.btn-upload {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 0 16px;
  background: var(--orange);
  color: #fff;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background .15s, transform .1s;
}

.btn-upload:hover { background: var(--orange-2); }
.btn-upload:active { transform: scale(.97); }

/* =============================================
   HERO
   ============================================= */
.hero {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 44px 24px 38px;
  text-align: center;
}

.hero-inner { max-width: 680px; margin: 0 auto; }

.hero-title {
  font-size: clamp(30px, 4.5vw, 48px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
  color: var(--text-1);
  margin-bottom: 12px;
}

.hero-sub {
  font-size: 17px;
  font-weight: 400;
  color: var(--text-3);
  line-height: 1.6;
  margin-bottom: 0;
}

/* Disclaimer — prominent warning */
.hero-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  text-align: left;
  background: #FFF5F0;
  border: 1.5px solid #FFB89A;
  border-radius: 12px;
  padding: 16px 20px;
  max-width: 560px;
  margin: 0 auto;
}

.disclaimer-icon {
  width: 36px;
  height: 36px;
  background: #FFE8DC;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.disclaimer-text {
  font-size: 14px;
  color: #7C2D12;
  line-height: 1.65;
}

.disclaimer-text strong {
  font-weight: 700;
  color: #C2410C;
}

/* =============================================
   CONTENT WRAPPER (filter + cards รวมบล็อกเดียว)
   ============================================= */
.content-wrapper {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  flex: 1;
}

/* =============================================
   FILTER BAR
   ============================================= */
.filter-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 56px;
  z-index: 90;
}

.filter-inner {
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Push right group to far right */
.filter-spacer { flex: 1; }

.filter-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* Search in filter bar */
.filter-search {
  position: relative;
  width: 280px;
}

.fsearch-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

.filter-search-input {
  width: 100%;
  height: 38px;
  padding: 0 36px 0 36px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text-1);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}

.filter-search-input::placeholder { color: var(--text-4); }

.filter-search-input:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255,107,53,.10);
}

.fsearch-clear {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.fsearch-clear:hover { background: var(--border); }

.sort-select {
  height: 38px;
  padding: 0 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: var(--font);
  font-size: 13.5px;
  color: var(--text-2);
  outline: none;
  cursor: pointer;
  flex-shrink: 0;
}

/* =============================================
   MAIN / GRID
   ============================================= */
.main-content {
  padding: 32px 24px 64px;
}

.grid-header {
  margin-bottom: 20px;
}

.grid-count {
  font-size: 13.5px;
  color: var(--text-3);
}

.grid-count strong { color: var(--text-1); }

/* =============================================
   EXTENSION CARDS
   ============================================= */
.ext-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.ext-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, border-color .2s, transform .2s;
  cursor: pointer;
}

.ext-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-2);
  transform: translateY(-3px);
}

/* Icon area — replaces full cover photo */
.card-icon-area {
  position: relative;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

/* Extension icon — letter/logo uploaded by user */
.ext-icon-pill {
  width: 80px;
  height: 80px;
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.5px;
  box-shadow: 0 8px 24px rgba(0,0,0,.18), 0 2px 6px rgba(0,0,0,.12);
  /* When user uploads an image, it replaces this div with <img> */
}

/* Badge pinned bottom-left of icon area */
.card-icon-area .card-badge {
  position: absolute;
  bottom: 10px;
  left: 10px;
}

.card-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 6px;
  letter-spacing: .03em;
}

/* badge colors */
.card-badge.modeling      { background: rgba(37,99,235,.12);  color: #2563EB; }
.card-badge.rendering     { background: rgba(234,88,12,.12);   color: #EA580C; }
.card-badge.utility       { background: rgba(124,58,237,.12);  color: #7C3AED; }
.card-badge.import-export { background: rgba(5,150,105,.12);   color: #059669; }
.card-badge.construction  { background: rgba(13,148,136,.12);  color: #0D9488; }
.card-badge.landscape     { background: rgba(101,163,13,.12);  color: #65A30D; }

/* card body */
.card-body {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
}

.card-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

/* Consistent orange extension label */
.card-ext-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  color: var(--orange);
  letter-spacing: .02em;
}

.card-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-2);
}

.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -.2px;
  line-height: 1.3;
}

.card-author {
  font-size: 12px;
  color: var(--text-4);
}

.card-desc {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.55;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 6px;
}

.card-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 5px;
  white-space: nowrap;
}

.card-tag-license { background: rgba(5,150,105,.10); color: #059669; }
.card-tag-os      { background: rgba(100,100,100,.08); color: var(--text-3); }
.card-tag-su      { background: rgba(255,107,53,.10); color: var(--orange); }

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.card-downloads {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--text-4);
}

.card-version {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-5);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 2px 7px;
}

/* =============================================
   PAGINATION
   ============================================= */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  margin-top: 48px;
}

.page-btn {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}

.page-btn:hover { background: var(--bg); border-color: var(--border-2); }

.page-btn.active {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
}

.page-dots { color: var(--text-4); font-size: 14px; }

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 20px 24px;
}

.footer-inner {
  max-width: 2200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-logo {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
}

.footer-copy {
  font-size: 12px;
  color: var(--text-4);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1400px) {
  .ext-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1000px) {
  .ext-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .ext-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-title { letter-spacing: -.6px; }
}
@media (max-width: 480px) {
  .ext-grid { grid-template-columns: 1fr; }
}

/* =============================================
   DYNAMIC GRID STATES
   ============================================= */
.grid-loading {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 64px 0;
  color: var(--text-3);
  font-size: 14px;
}
.spin-icon {
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.grid-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 0;
  color: var(--text-3);
  font-size: 15px;
}
.card-thumb-img {
  width: 96px;
  height: 96px;
  object-fit: contain;
  border-radius: 0;
  box-shadow: none;
}