/* ============================================================
 * phdream login account - stylesheet
 * Prefix: gc0f-
 * Palette: #FF7F50 coral | #6C757D gray | #2C2C2C ink
 *          #8B0000 wine | #FFAA00 gold
 * Mobile-first, max 430px container.
 * ============================================================ */

:root {
  --gc0f-coral: #FF7F50;
  --gc0f-gray: #6C757D;
  --gc0f-ink: #2C2C2C;
  --gc0f-wine: #8B0000;
  --gc0f-gold: #FFAA00;
  --gc0f-bg: #1a1413;
  --gc0f-bg2: #241814;
  --gc0f-card: #2a1d1a;
  --gc0f-line: #3a2825;
  --gc0f-text: #f5e9e3;
  --gc0f-mute: #c9b6af;
  --gc0f-grad: linear-gradient(135deg, #FF7F50 0%, #FFAA00 100%);
  --gc0f-grad-wine: linear-gradient(135deg, #8B0000 0%, #2C2C2C 100%);
  --gc0f-shadow: 0 8px 26px rgba(0,0,0,.42);
  --gc0f-radius: 14px;
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 62.5%; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Roboto, Arial, sans-serif;
  background: radial-gradient(circle at top, #2a1410 0%, var(--gc0f-bg) 55%, #100a09 100%);
  color: var(--gc0f-text);
  line-height: 1.5;
  font-size: 1.5rem;
  overflow-x: hidden;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: var(--gc0f-gold); text-decoration: none; }
a:hover { color: var(--gc0f-coral); }
h1,h2,h3,h4 { margin: 0 0 .6em; line-height: 1.25; font-weight: 700; }
p { margin: 0 0 1em; }

/* ---------- Shell ---------- */
.gc0f-shell { width: 100%; max-width: 430px; margin: 0 auto; position: relative; }
.gc0f-sec { padding: 28px 16px; }
.gc0f-sec-head { display:flex; align-items:center; gap:10px; margin-bottom:14px; }
.gc0f-sec-head .gc0f-bar { width:5px; height:26px; border-radius:3px; background: var(--gc0f-grad); }
.gc0f-sec-head h2 { font-size: 2.0rem; color: #fff; flex: 1; }
.gc0f-sec-head .gc0f-more { font-size: 1.25rem; color: var(--gc0f-gold); }

/* ---------- Header ---------- */
.gc0f-header {
  position: sticky; top: 0; z-index: 1000;
  background: linear-gradient(180deg, rgba(20,12,10,.96), rgba(20,12,10,.88));
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gc0f-line);
}
.gc0f-header-row { display:flex; align-items:center; gap:10px; padding:8px 12px; }
.gc0f-logo { display:flex; align-items:center; gap:8px; flex:1; min-width:0; }
.gc0f-logo img { width: 36px; height: 36px; border-radius: 8px; }
.gc0f-logo b { font-size: 1.55rem; color: #fff; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; letter-spacing:.2px; }
.gc0f-logo b span { color: var(--gc0f-gold); }
.gc0f-hbtns { display:flex; gap:6px; }
.gc0f-btn { display:inline-flex; align-items:center; justify-content:center; gap:6px;
  border:0; cursor:pointer; font-weight:700; font-size:1.3rem; padding:8px 14px;
  border-radius: 999px; transition: transform .15s, filter .15s; text-transform:uppercase;
  letter-spacing:.3px; }
.gc0f-btn:active { transform: scale(.96); }
.gc0f-btn-login { background:#fff; color: var(--gc0f-wine); }
.gc0f-btn-reg { background: var(--gc0f-grad); color:#1a0e08; box-shadow: 0 4px 12px rgba(255,127,80,.4); }
.gc0f-btn:hover { filter: brightness(1.08); }

/* ---------- Desktop nav ---------- */
.gc0f-desktop-nav { display:none; }
.gc0f-menu-btn { background:transparent; border:0; color:#fff; font-size:2rem; cursor:pointer; padding:4px 8px; }

/* ---------- Hero / Carousel ---------- */
.gc0f-hero { position:relative; overflow:hidden; }
.gc0f-carousel { overflow:hidden; border-radius: 0; }
.gc0f-carousel-track { display:flex; transition: transform .55s ease; }
.gc0f-slide { min-width:100%; position:relative; }
.gc0f-slide img { width:100%; height: 220px; object-fit:cover; }
.gc0f-slide-cap { position:absolute; left:16px; right:16px; bottom:18px; }
.gc0f-slide-cap h2 { font-size:2.2rem; color:#fff; text-shadow:0 2px 8px rgba(0,0,0,.7); }
.gc0f-slide-cap p { font-size:1.3rem; color:#ffe; margin:0 0 10px; text-shadow:0 1px 4px rgba(0,0,0,.7); }
.gc0f-dots { display:flex; gap:6px; justify-content:center; padding:8px 0; background:var(--gc0f-bg2); }
.gc0f-dot { width:8px; height:8px; border-radius:50%; background:#5a4138; border:0; cursor:pointer; padding:0; }
.gc0f-dot.gc0f-active { background: var(--gc0f-grad); width:22px; border-radius:5px; }

/* ---------- Hero CTA banner under carousel ---------- */
.gc0f-cta {
  margin: 14px 16px 0; padding: 16px; border-radius: var(--gc0f-radius);
  background: var(--gc0f-grad-wine); border:1px solid var(--gc0f-line); text-align:center;
}
.gc0f-cta h3 { color: var(--gc0f-gold); font-size:1.7rem; }
.gc0f-cta p { color:#f3ddd5; font-size:1.3rem; margin:4px 0 12px; }
.gc0f-cta .gc0f-btn { padding:10px 24px; font-size:1.4rem; }

/* ---------- Filter tabs ---------- */
.gc0f-filters { display:flex; gap:8px; overflow-x:auto; padding:14px 16px 6px; -webkit-overflow-scrolling:touch; }
.gc0f-filters::-webkit-scrollbar { display:none; }
.gc0f-filter-btn {
  flex:0 0 auto; padding:8px 16px; border-radius:999px; border:1px solid var(--gc0f-line);
  background: var(--gc0f-card); color:var(--gc0f-mute); font-size:1.3rem; font-weight:600;
  cursor:pointer; white-space:nowrap; transition: all .15s;
}
.gc0f-filter-btn.gc0f-active { background: var(--gc0f-grad); color:#1a0e08; border-color: transparent; }

/* ---------- Game grid ---------- */
.gc0f-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap:10px; padding:6px 16px 18px; }
.gc0f-card {
  background: var(--gc0f-card); border:1px solid var(--gc0f-line); border-radius: 12px;
  overflow:hidden; position:relative; transition: transform .15s, box-shadow .15s;
  display:flex; flex-direction:column;
}
.gc0f-card:active { transform: scale(.97); }
.gc0f-card .gc0f-thumb { aspect-ratio: 1/1; overflow:hidden; background:#000; }
.gc0f-card .gc0f-thumb img { width:100%; height:100%; object-fit:cover; }
.gc0f-card .gc0f-name { padding:6px 8px; font-size:1.15rem; color:var(--gc0f-text); text-align:center;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis; font-weight:600; }
.gc0f-card .gc0f-tag {
  position:absolute; top:6px; left:6px; background: var(--gc0f-grad); color:#1a0e08;
  font-size:1rem; font-weight:700; padding:2px 6px; border-radius:6px;
}
.gc0f-card .gc0f-play {
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  background: rgba(0,0,0,.5); color:#fff; font-size:2.4rem; opacity:0; transition: opacity .2s;
}
.gc0f-card:hover .gc0f-play { opacity:1; }

/* ---------- Featured / Promotions ---------- */
.gc0f-promo-grid { display:grid; grid-template-columns: 1fr; gap:12px; padding:6px 16px 18px; }
.gc0f-promo-card {
  display:flex; gap:12px; padding:14px; border-radius: var(--gc0f-radius);
  background: linear-gradient(135deg, var(--gc0f-card), var(--gc0f-bg2));
  border:1px solid var(--gc0f-line); align-items:center;
}
.gc0f-promo-card .gc0f-pico { width:54px; height:54px; flex:0 0 54px; border-radius:12px;
  background: var(--gc0f-grad); color:#1a0e08; display:flex; align-items:center; justify-content:center; font-size:2.4rem; }
.gc0f-promo-card h3 { font-size:1.5rem; color:#fff; margin:0 0 4px; }
.gc0f-promo-card p { font-size:1.2rem; color:var(--gc0f-mute); margin:0; }

/* ---------- Featured game cards (with link) ---------- */
.gc0f-feat { display:grid; grid-template-columns: 1fr; gap:14px; padding:6px 16px 18px; }
.gc0f-feat-card {
  display:flex; gap:12px; background: var(--gc0f-card); border:1px solid var(--gc0f-line);
  border-radius: var(--gc0f-radius); overflow:hidden;
}
.gc0f-feat-card img { width:120px; height:120px; object-fit:cover; flex:0 0 120px; }
.gc0f-feat-body { padding:12px 14px 12px 0; flex:1; min-width:0; }
.gc0f-feat-body h3 { font-size:1.55rem; color:#fff; margin:0 0 4px; }
.gc0f-feat-body .gc0f-meta { font-size:1.15rem; color: var(--gc0f-gold); margin-bottom:6px; font-weight:700; }
.gc0f-feat-body p { font-size:1.2rem; color:var(--gc0f-mute); margin:0 0 8px; }
.gc0f-feat-body a.gc0f-link { font-size:1.2rem; color: var(--gc0f-coral); font-weight:700; }

/* ---------- Category sections ---------- */
.gc0f-cat-list { display:grid; grid-template-columns: repeat(2,1fr); gap:10px; padding:6px 16px 18px; }
.gc0f-cat-card {
  background: var(--gc0f-grad-wine); border:1px solid var(--gc0f-line);
  border-radius: var(--gc0f-radius); padding:14px; text-align:center; color:#fff;
}
.gc0f-cat-card .gc0f-ico { font-size:2.8rem; color: var(--gc0f-gold); margin-bottom:6px; }
.gc0f-cat-card h3 { font-size:1.5rem; color:#fff; }
.gc0f-cat-card p { font-size:1.15rem; color:#e9d4cb; margin:4px 0 0; }
.gc0f-cat-card a { display:inline-block; margin-top:8px; font-size:1.15rem; color: var(--gc0f-gold); font-weight:700; }

/* ---------- SEO long text ---------- */
.gc0f-article { padding:10px 16px 22px; }
.gc0f-article h2 { font-size:2.0rem; color:#fff; margin-top:18px; }
.gc0f-article h3 { font-size:1.6rem; color: var(--gc0f-gold); margin-top:14px; }
.gc0f-article p { font-size:1.35rem; color: var(--gc0f-mute); line-height:1.65; }
.gc0f-article ul { padding-left:1.2em; margin:0 0 1em; }
.gc0f-article li { font-size:1.3rem; color:var(--gc0f-mute); margin-bottom:6px; line-height:1.55; }
.gc0f-article a { color: var(--gc0f-coral); }

/* ---------- Steps ---------- */
.gc0f-steps { display:grid; gap:10px; padding:6px 16px 18px; counter-reset: step; }
.gc0f-step {
  display:flex; gap:12px; background:var(--gc0f-card); padding:12px;
  border:1px solid var(--gc0f-line); border-radius:12px; counter-increment: step;
}
.gc0f-step::before {
  content: counter(step); flex:0 0 32px; height:32px; border-radius:50%;
  background: var(--gc0f-grad); color:#1a0e08; font-weight:800; font-size:1.5rem;
  display:flex; align-items:center; justify-content:center;
}
.gc0f-step div h4 { font-size:1.4rem; color:#fff; margin:0 0 4px; }
.gc0f-step div p { font-size:1.2rem; color:var(--gc0f-mute); margin:0; }

/* ---------- FAQ ---------- */
.gc0f-faq { padding:6px 16px 22px; }
.gc0f-faq-item { background: var(--gc0f-card); border:1px solid var(--gc0f-line);
  border-radius:10px; margin-bottom:8px; overflow:hidden; }
.gc0f-faq-head {
  width:100%; text-align:left; background:transparent; border:0; color:#fff;
  padding:14px 16px; font-size:1.4rem; font-weight:700; cursor:pointer; display:flex; justify-content:space-between; align-items:center;
}
.gc0f-faq-head .gc0f-ico { color: var(--gc0f-gold); transition: transform .2s; font-size:1.6rem; }
.gc0f-faq-item.gc0f-open .gc0f-faq-head .gc0f-ico { transform: rotate(45deg); }
.gc0f-faq-body { max-height:0; overflow:hidden; transition: max-height .3s ease; padding:0 16px; }
.gc0f-faq-body p { font-size:1.25rem; color:var(--gc0f-mute); padding-bottom:14px; margin:0; }

/* ---------- Stats ---------- */
.gc0f-stats { display:grid; grid-template-columns: repeat(3,1fr); gap:10px; padding:6px 16px 18px; }
.gc0f-stat { background: var(--gc0f-grad-wine); border:1px solid var(--gc0f-line); border-radius:12px; padding:14px 6px; text-align:center; }
.gc0f-stat b { display:block; font-size:2.2rem; color: var(--gc0f-gold); font-weight:800; }
.gc0f-stat span { font-size:1.15rem; color:#e9d4cb; }

/* ---------- Footer ---------- */
.gc0f-footer { background:#0f0908; border-top:1px solid var(--gc0f-line); padding:24px 16px 110px; margin-top:10px; }
.gc0f-footer h4 { color: var(--gc0f-gold); font-size:1.5rem; margin-bottom:10px; }
.gc0f-footer ul { list-style:none; padding:0; margin:0 0 18px; }
.gc0f-footer li { margin-bottom:6px; }
.gc0f-footer a { color:var(--gc0f-mute); font-size:1.25rem; }
.gc0f-footer a:hover { color: var(--gc0f-coral); }
.gc0f-footer p { color: var(--gc0f-mute); font-size:1.2rem; }
.gc0f-footer .gc0f-copy { border-top:1px solid var(--gc0f-line); padding-top:14px; margin-top:10px; text-align:center; color:#7a6157; font-size:1.15rem; }

/* ---------- Bottom nav ---------- */
.gc0f-bottom-nav {
  position: fixed; bottom:0; left:0; right:0; z-index:1000;
  background: linear-gradient(180deg, rgba(30,18,15,.97), rgba(15,9,8,.99));
  border-top:1px solid var(--gc0f-line);
  display:flex; justify-content:space-around; align-items:stretch;
  height:62px; padding:0; max-width:430px; margin:0 auto;
  box-shadow: 0 -4px 18px rgba(0,0,0,.4);
}
.gc0f-bottom-nav a {
  flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center;
  color: var(--gc0f-mute); font-size:1.05rem; gap:2px; padding:6px 2px; min-width:60px; min-height:60px;
  transition: color .15s;
}
.gc0f-bottom-nav a .gc0f-ico { font-size:2rem; line-height:1; }
.gc0f-bottom-nav a.gc0f-center {
  position:relative; background: var(--gc0f-grad); color:#1a0e08;
  border-radius:50%; width:54px; height:54px; flex:0 0 54px; margin-top:-22px;
  border:3px solid #1a1413; box-shadow:0 4px 14px rgba(255,127,80,.5);
}
.gc0f-bottom-nav a.gc0f-center .gc0f-ico { font-size:2.4rem; }
.gc0f-bottom-nav a:hover { color: var(--gc0f-gold); }
.gc0f-bottom-nav a.gc0f-center:hover { color:#1a0e08; }
.gc0f-bottom-nav a span { font-size:1rem; }

/* ---------- Mobile menu overlay ---------- */
#gc0f-menu-backdrop {
  position:fixed; inset:0; background:rgba(0,0,0,.6); z-index:9998;
  opacity:0; pointer-events:none; transition: opacity .25s;
}
#gc0f-menu-backdrop.gc0f-show { opacity:1; pointer-events:auto; }
#gc0f-mobile-menu {
  position:fixed; top:0; right:-280px; width:260px; height:100vh; z-index:9999;
  background: linear-gradient(180deg, #1d1210, #100a09); padding:20px 16px;
  transition: right .3s ease; overflow-y:auto; box-shadow:-4px 0 20px rgba(0,0,0,.5);
}
#gc0f-mobile-menu.gc0f-open { right:0; }
#gc0f-mobile-menu .gc0f-close { background:transparent; border:0; color:#fff; font-size:2.4rem; float:right; cursor:pointer; }
#gc0f-mobile-menu h3 { color: var(--gc0f-gold); font-size:1.6rem; clear:both; margin-bottom:10px; }
#gc0f-mobile-menu a {
  display:block; padding:10px 12px; color:var(--gc0f-text); font-size:1.35rem;
  border-bottom:1px solid var(--gc0f-line); border-radius:8px;
}
#gc0f-mobile-menu a:hover { background: var(--gc0f-card); color: var(--gc0f-gold); }
body.gc0f-no-scroll { overflow:hidden; }

/* ---------- Reveal ---------- */
.gc0f-reveal { opacity:0; transform: translateY(18px); transition: opacity .55s, transform .55s; }
.gc0f-reveal.gc0f-in { opacity:1; transform: none; }

/* ---------- Desktop ---------- */
@media (min-width: 768px) {
  body { background: radial-gradient(circle at top, #2a1410 0%, #160c0a 60%, #080504 100%); }
  .gc0f-shell { max-width: 960px; }
  .gc0f-header-row { max-width:960px; margin:0 auto; }
  .gc0f-menu-btn { display:none; }
  .gc0f-desktop-nav { display:flex; gap:18px; align-items:center; }
  .gc0f-desktop-nav a { color: var(--gc0f-text); font-size:1.3rem; font-weight:600; padding:6px 4px; }
  .gc0f-desktop-nav a:hover { color: var(--gc0f-gold); }
  .gc0f-bottom-nav { display:none; }
  .gc0f-footer { padding-bottom: 30px; }
  .gc0f-grid { grid-template-columns: repeat(6, 1fr); }
  .gc0f-promo-grid { grid-template-columns: repeat(3,1fr); }
  .gc0f-feat { grid-template-columns: repeat(2,1fr); }
  .gc0f-cat-list { grid-template-columns: repeat(5,1fr); }
  .gc0f-slide img { height: 360px; }
  main { padding-bottom: 0 !important; }
  .gc0f-cta { max-width: 928px; margin:18px auto; }
  .gc0f-sec, .gc0f-filters, .gc0f-grid, .gc0f-promo-grid, .gc0f-feat, .gc0f-cat-list, .gc0f-faq, .gc0f-article, .gc0f-stats, .gc0f-steps { max-width:960px; margin-left:auto; margin-right:auto; }
}

/* ---------- Mobile bottom padding ---------- */
@media (max-width: 767px) {
  main { padding-bottom: 80px; }
}

/* ---------- Helpers ---------- */
.gc0f-sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0; }
.gc0f-clear::after { content:""; display:block; clear:both; }