/* ============================================================
   global.css — Light Design System v3
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Space+Grotesk:wght@500;600;700;800&display=swap');

:root {
  --primary:        #F97316;
  --primary-dark:   #EA580C;
  --primary-glow:   rgba(249,115,22,.2);
  --accent:         #EC4899;
  --accent-dark:    #DB2777;
  --accent-glow:    rgba(236,72,153,.15);
  --danger:         #EF4444;
  --warn:           #F59E0B;

  --bg:             #F8FAFC;
  --bg-card:        #FFFFFF;
  --bg-card2:       #F1F5F9;
  --bg-section:     #F0F4F8;
  --bg-glass:       rgba(0,0,0,.03);
  --bg-hover:       rgba(249,115,22,.05);

  --text:           #0F172A;
  --text-secondary: #475569;
  --text-muted:     #94A3B8;

  --border:         #E2E8F0;
  --border-bright:  rgba(249,115,22,.4);

  --shadow:         0 2px 16px rgba(0,0,0,.08);
  --shadow-card:    0 1px 6px rgba(0,0,0,.06);
  --shadow-glow:    0 0 20px rgba(249,115,22,.15);
  --shadow-hover:   0 6px 24px rgba(0,0,0,.12);

  --radius:         12px;
  --radius-sm:      8px;
  --radius-lg:      20px;
  --radius-xl:      28px;

  --container-w:    1180px;
  --header-h:       64px;
  --transition:     .2s ease;

  --font-body:      'Inter', system-ui, sans-serif;
  --font-title:     'Space Grotesk', 'Inter', sans-serif;
  --footer-bg:      #0F172A;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, button { outline: none; }
ul, ol { list-style: none; }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 16px;
}

/* ---- Ad ---- */
.ad-wrap { margin: 14px 0; text-align: center; }
.adTitle { font-size: 11px; color: var(--text-muted); margin-bottom: 4px; text-align: center; }
.adsbygoogle[data-ad-status="unfilled"] { display: none !important; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248,250,252,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 16px;
  height: var(--header-h);
  display: flex;
  align-items: center;
}
.site-header__logo { display: flex; align-items: center; gap: 10px; transition: opacity var(--transition); }
.site-header__logo:hover { opacity: .75; }
.site-header__logo-img { height: 30px; width: auto; }
.site-header__logo-text {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 22px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--footer-bg);
  border-top: 1px solid #1E293B;
  margin-top: 80px;
  padding: 48px 0 28px;
}
.site-footer__inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.site-footer__logo { display: flex; align-items: center; gap: 10px; }
.site-footer__logo-img { height: 28px; filter: brightness(0) invert(1); opacity: .7; }
.site-footer__logo-text {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 20px;
  color: #94A3B8;
}
.site-footer__disclaimer {
  font-size: 13px;
  line-height: 1.75;
  color: #64748B;
  text-align: center;
  max-width: 680px;
}
.site-footer__nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 28px; }
.site-footer__link {
  font-size: 13px;
  color: #64748B;
  transition: color var(--transition);
  line-height: 2;
}
.site-footer__link:hover { color: var(--primary); }
.site-footer__copy {
  font-size: 12px;
  color: #334155;
  border-top: 1px solid #1E293B;
  padding-top: 20px;
  text-align: center;
  width: 100%;
}

/* ============================================================
   SHARED UTILITY CLASSES
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 20px;
}
.badge--green { background: rgba(34,197,94,.12); color: #16A34A; }
.badge--purple { background: rgba(168,85,247,.12); color: #7C3AED; }
.badge--red { background: rgba(239,68,68,.12); color: var(--danger); }

.star-icon { color: var(--warn); }
.rating-row { display: inline-flex; align-items: center; gap: 3px; font-size: 12px; color: var(--text-secondary); }

/* ============================================================
   TOPIC APP CARD (in-article app embed)
   ============================================================ */
.topic-app-card {
  margin: 16px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  overflow: hidden;
  transition: border-color var(--transition);
}
.topic-app-card:hover { border-color: var(--border-bright); }
.topic-app-card__link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  text-decoration: none;
}
.topic-app-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
}
.topic-app-card__info { flex: 1; min-width: 0; }
.topic-app-card__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}
.topic-app-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.topic-app-card__cat {
  background: rgba(244,114,182,.1);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
}
.topic-app-card__rating {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-weight: 600;
  color: var(--warn);
}
.topic-app-card__ver { color: var(--text-muted); }
.topic-app-card__dev { font-size: 11px; color: var(--text-muted); }
.topic-app-card__btn {
  flex-shrink: 0;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary-dark), var(--accent-dark));
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  transition: opacity var(--transition);
}
.topic-app-card__btn:hover { opacity: .85; }

@media (max-width: 600px) {
  .topic-app-card__link { gap: 10px; padding: 12px; }
  .topic-app-card__icon { width: 44px; height: 44px; }
  .topic-app-card__meta { flex-wrap: wrap; gap: 6px; }
  .topic-app-card__btn { padding: 7px 14px; font-size: 12px; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 767px) {
  :root { --header-h: 56px; }
  .site-footer { margin-top: 48px; padding: 36px 0 20px; }
}