/* =========================================================
   nimo-gaming.cfd — design.css
   Palette: #3A3A3A | #DC143C | #F08080 | #FF0000
   All custom classes use the ui77- prefix.
   ========================================================= */

:root {
  --ui77-bg: #3a3a3a;
  --ui77-bg-2: #2c2c2c;
  --ui77-bg-3: #4a4a4a;
  --ui77-crimson: #dc143c;
  --ui77-light-coral: #f08080;
  --ui77-red: #ff0000;
  --ui77-text: #f7f3f0;
  --ui77-text-dim: #d8c9c9;
  --ui77-gold: #ffd56b;
  --ui77-line: rgba(240, 128, 128, 0.18);
  --ui77-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
  --ui77-radius: 14px;
  --ui77-max: 430px;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, "PingFang SC",
    "Microsoft YaHei", sans-serif;
  background: radial-gradient(
      1200px 600px at 50% -10%,
      rgba(220, 20, 60, 0.25),
      transparent 60%
    ),
    linear-gradient(180deg, #3a3a3a 0%, #2c2c2c 100%);
  color: var(--ui77-text);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--ui77-light-coral);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: #fff;
}
img {
  max-width: 100%;
  display: block;
}

/* ========= Layout shell ========= */
.ui77-shell {
  width: 100%;
  max-width: var(--ui77-max);
  margin: 0 auto;
  background: rgba(0, 0, 0, 0.12);
  min-height: 100vh;
  position: relative;
}

/* ========= Header ========= */
.ui77-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: linear-gradient(90deg, #2c2c2c, #4a1018 60%, #2c2c2c);
  border-bottom: 2px solid var(--ui77-crimson);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
}
.ui77-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}
.ui77-brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ui77-crimson), var(--ui77-red));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.6rem;
  box-shadow: 0 0 12px rgba(255, 0, 0, 0.6);
}
.ui77-brand-name {
  font-size: 1.7rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.4px;
}
.ui77-brand-name span {
  color: var(--ui77-light-coral);
}
.ui77-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.ui77-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 1.3rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.ui77-btn:active {
  transform: scale(0.96);
}
.ui77-btn-login {
  background: transparent;
  color: #fff;
  border: 1.5px solid var(--ui77-light-coral);
}
.ui77-btn-register {
  background: linear-gradient(135deg, var(--ui77-crimson), var(--ui77-red));
  color: #fff;
  box-shadow: 0 4px 14px rgba(220, 20, 60, 0.5);
}
.ui77-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--ui77-line);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.7rem;
}

/* ========= Mobile menu drawer ========= */
.ui77-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.ui77-overlay-visible {
  opacity: 1;
  pointer-events: auto;
}
.ui77-mobile-menu {
  position: fixed;
  top: 0;
  right: -86%;
  width: 78%;
  max-width: 340px;
  height: 100%;
  background: linear-gradient(180deg, #2c2c2c, #3a1014 90%);
  z-index: 9999;
  padding: 22px 18px;
  overflow-y: auto;
  transition: right 0.3s ease;
  border-left: 2px solid var(--ui77-crimson);
}
.ui77-menu-open {
  right: 0;
}
.ui77-menu-title {
  font-size: 1.5rem;
  color: var(--ui77-light-coral);
  margin: 18px 0 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--ui77-line);
  padding-bottom: 6px;
}
.ui77-mobile-menu a {
  display: block;
  padding: 10px 8px;
  font-size: 1.35rem;
  color: #fff;
  border-bottom: 1px dashed rgba(240, 128, 128, 0.15);
}
.ui77-mobile-menu a:hover {
  background: rgba(220, 20, 60, 0.18);
  color: var(--ui77-light-coral);
}

/* ========= Hero carousel ========= */
.ui77-hero {
  position: relative;
  margin: 14px 12px 8px;
  border-radius: var(--ui77-radius);
  overflow: hidden;
  box-shadow: var(--ui77-shadow);
}
.ui77-hero-track {
  position: relative;
  height: 200px;
}
.ui77-hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.7s ease;
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #fff;
}
.ui77-slide-active {
  opacity: 1;
}
.ui77-hero-slide h2 {
  margin: 0 0 8px;
  font-size: 2.2rem;
  line-height: 1.2;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}
.ui77-hero-slide p {
  margin: 0 0 12px;
  font-size: 1.25rem;
  color: var(--ui77-text-dim);
}
.ui77-hero-slide .ui77-hero-cta {
  align-self: flex-start;
  background: linear-gradient(135deg, var(--ui77-crimson), var(--ui77-red));
  color: #fff;
  padding: 9px 18px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 1.3rem;
  box-shadow: 0 4px 14px rgba(220, 20, 60, 0.5);
}
.ui77-hero-dots {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 6px;
}
.ui77-hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
}
.ui77-dot-active {
  background: #fff;
  width: 22px;
  border-radius: 4px;
}
.ui77-hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.35);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
}
.ui77-hero-arrow.ui77-prev {
  left: 8px;
}
.ui77-hero-arrow.ui77-next {
  right: 8px;
}

/* ========= Marquee promo strip ========= */
.ui77-marquee {
  margin: 10px 12px;
  background: rgba(220, 20, 60, 0.12);
  border: 1px solid var(--ui77-line);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 1.2rem;
  color: var(--ui77-light-coral);
  overflow: hidden;
  white-space: nowrap;
}
.ui77-marquee b {
  color: var(--ui77-gold);
}

/* ========= Sections ========= */
.ui77-section {
  padding: 18px 14px 6px;
}
.ui77-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.ui77-section-title {
  font-size: 1.55rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}
.ui77-section-title::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 22px;
  background: linear-gradient(180deg, var(--ui77-crimson), var(--ui77-red));
  border-radius: 3px;
}
.ui77-section-more {
  font-size: 1.2rem;
  color: var(--ui77-light-coral);
}

/* ========= Category tabs ========= */
.ui77-cat-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 2px 12px;
  -webkit-overflow-scrolling: touch;
}
.ui77-cat-tabs::-webkit-scrollbar {
  display: none;
}
.ui77-cat-tab {
  flex: 0 0 auto;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--ui77-line);
  color: var(--ui77-text-dim);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}
.ui77-cat-tab.ui77-cat-active {
  background: linear-gradient(135deg, var(--ui77-crimson), var(--ui77-red));
  color: #fff;
  border-color: transparent;
}

/* ========= Game grid ========= */
.ui77-game-group {
  margin-bottom: 6px;
}
.ui77-group-hide {
  display: none;
}
.ui77-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.ui77-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(160deg, #4a4a4a, #2c2c2c);
  border: 1px solid var(--ui77-line);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.ui77-card:hover,
.ui77-card:active {
  transform: translateY(-3px);
  box-shadow: 0 10px 22px rgba(220, 20, 60, 0.4);
}
.ui77-card-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #1f1f1f;
}
.ui77-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 55%,
    rgba(0, 0, 0, 0.85)
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 6px 8px;
}
.ui77-card-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  margin: 0;
}
.ui77-card-tag {
  position: absolute;
  top: 6px;
  left: 6px;
  background: linear-gradient(135deg, var(--ui77-crimson), var(--ui77-red));
  color: #fff;
  font-size: 0.9rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
}
.ui77-card-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  background: rgba(220, 20, 60, 0.55);
  transition: opacity 0.2s ease;
  color: #fff;
  font-weight: 800;
  font-size: 1.25rem;
}
.ui77-card:hover .ui77-card-play {
  opacity: 1;
}

/* ========= Featured banner ========= */
.ui77-feature {
  margin: 16px 12px;
  padding: 18px 16px;
  border-radius: 16px;
  background: linear-gradient(
    135deg,
    rgba(220, 20, 60, 0.9),
    rgba(255, 0, 0, 0.85)
  );
  color: #fff;
  box-shadow: var(--ui77-shadow);
  position: relative;
  overflow: hidden;
}
.ui77-feature::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 120px;
  height: 120px;
  background: rgba(255, 213, 107, 0.25);
  border-radius: 50%;
}
.ui77-feature h3 {
  margin: 0 0 6px;
  font-size: 1.8rem;
}
.ui77-feature p {
  margin: 0 0 12px;
  font-size: 1.25rem;
  opacity: 0.95;
}
.ui77-feature .ui77-btn-register {
  background: #fff;
  color: var(--ui77-crimson);
}

/* ========= Article / SEO content ========= */
.ui77-prose {
  padding: 6px 14px;
  font-size: 1.3rem;
  color: var(--ui77-text-dim);
  line-height: 1.7;
}
.ui77-prose h2 {
  color: #fff;
  font-size: 1.7rem;
  margin: 22px 0 8px;
  padding-left: 10px;
  border-left: 4px solid var(--ui77-crimson);
}
.ui77-prose h3 {
  color: var(--ui77-light-coral);
  font-size: 1.4rem;
  margin: 16px 0 6px;
}
.ui77-prose p {
  margin: 0 0 10px;
}
.ui77-prose ul {
  padding-left: 20px;
  margin: 0 0 12px;
}
.ui77-prose li {
  margin-bottom: 6px;
}
.ui77-prose a {
  color: var(--ui77-light-coral);
  text-decoration: underline;
}

/* ========= FAQ ========= */
.ui77-faq-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--ui77-line);
  border-radius: 10px;
  margin-bottom: 10px;
  overflow: hidden;
}
.ui77-faq-q {
  padding: 12px 14px;
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.ui77-faq-q::after {
  content: "+";
  color: var(--ui77-light-coral);
  font-size: 1.6rem;
}
.ui77-faq-open .ui77-faq-q::after {
  content: "−";
}
.ui77-faq-a {
  max-height: 0;
  overflow: hidden;
  padding: 0 14px;
  font-size: 1.2rem;
  color: var(--ui77-text-dim);
  transition: max-height 0.25s ease, padding 0.25s ease;
}
.ui77-faq-open .ui77-faq-a {
  max-height: 360px;
  padding: 0 14px 12px;
}

/* ========= Footer ========= */
.ui77-footer {
  background: linear-gradient(180deg, #2c2c2c, #1f1f1f);
  margin-top: 20px;
  padding: 22px 16px 110px;
  border-top: 2px solid var(--ui77-crimson);
}
.ui77-footer-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.ui77-footer h4 {
  color: var(--ui77-light-coral);
  font-size: 1.3rem;
  margin: 0 0 8px;
}
.ui77-footer a {
  display: block;
  padding: 4px 0;
  font-size: 1.2rem;
  color: var(--ui77-text-dim);
}
.ui77-footer a:hover {
  color: #fff;
}
.ui77-footer-bottom {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--ui77-line);
  font-size: 1.1rem;
  color: var(--ui77-text-dim);
  text-align: center;
}
.ui77-footer-license {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 12px;
  border: 1px solid var(--ui77-line);
  border-radius: 999px;
  font-size: 1rem;
  color: var(--ui77-light-coral);
}

/* ========= Mobile bottom nav ========= */
.ui77-bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  max-width: var(--ui77-max);
  margin: 0 auto;
  height: 64px;
  display: flex;
  justify-content: space-around;
  align-items: center;
  background: linear-gradient(180deg, #2c2c2c, #1a1a1a);
  border-top: 2px solid var(--ui77-crimson);
  box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.45);
}
.ui77-bottom-nav a,
.ui77-bottom-nav button {
  flex: 1;
  min-width: 60px;
  min-height: 60px;
  background: none;
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--ui77-text-dim);
  font-size: 1rem;
  cursor: pointer;
  transition: color 0.2s ease, transform 0.2s ease;
}
.ui77-bottom-nav a.ui77-nav-active,
.ui77-bottom-nav a:hover,
.ui77-bottom-nav button:hover {
  color: var(--ui77-light-coral);
  transform: translateY(-2px);
}
.ui77-nav-icon {
  font-size: 2.2rem;
  line-height: 1;
}
.ui77-nav-label {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.3px;
}
.ui77-nav-promo {
  position: relative;
}
.ui77-nav-promo::before {
  content: "";
  position: absolute;
  top: -14px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ui77-crimson), var(--ui77-red));
  box-shadow: 0 4px 14px rgba(220, 20, 60, 0.6);
}
.ui77-nav-promo .ui77-nav-icon {
  position: relative;
  color: #fff;
}

/* ========= Reveal animation ========= */
.ui77-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.ui77-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ========= Desktop: hide bottom nav, widen shell ========= */
@media (min-width: 769px) {
  .ui77-bottom-nav {
    display: none;
  }
  .ui77-shell {
    max-width: 960px;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.4);
  }
  .ui77-grid {
    grid-template-columns: repeat(6, 1fr);
  }
  .ui77-footer {
    padding-bottom: 30px;
  }
}
@media (max-width: 768px) {
  main {
    padding-bottom: 80px;
  }
}

/* utility */
.ui77-hidden {
  display: none !important;
}
.ui77-center {
  text-align: center;
}