/* AI-REWRITTEN - Style: compact-tech-dark */
/* File: themes/ky-sport/style.css */

/* =============================================
   CSS VARIABLES & DESIGN SYSTEM
   ============================================= */
:root {
  --primary:        #39f3ff;
  --primary-dark:   #1489c9;
  --primary-light:  #8fffff;
  --accent:         #ff3d8f;
  --bg-dark:        #060912;
  --bg-card:        #0d1322;
  --bg-card2:       #111a2d;
  --bg-header:      #090f1c;
  --border:         #1d2a40;
  --border-gold:    rgba(57,243,255,0.34);
  --text-primary:   #f2f7ff;
  --text-secondary: #99a8c2;
  --text-muted:     #5f7291;
  --radius:         2px;
  --radius-lg:      4px;
  --shadow:         0 0 0 1px rgba(57,243,255,0.08);
  --shadow-gold:    0 0 0 1px rgba(57,243,255,0.26), 0 0 18px rgba(57,243,255,0.12);
  --transition:     0.18s cubic-bezier(.2,.8,.2,1);
  --font-main:      'JetBrains Mono','IBM Plex Mono','SFMono-Regular','Consolas','PingFang SC','Microsoft YaHei',monospace;
  --header-h:       60px;
  --container:      1360px;
}

/* =============================================
   RESET
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 14px; }
body {
  font-family: var(--font-main);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color var(--transition), opacity var(--transition); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; }

/* =============================================
   TYPOGRAPHY
   ============================================= */
h1 { font-size: clamp(1.7rem, 4vw, 2.9rem); font-weight: 700; line-height: 1.05; letter-spacing: -0.03em; text-transform: uppercase; }
h2 { font-size: clamp(1.25rem, 2.4vw, 1.9rem); font-weight: 700; line-height: 1.12; letter-spacing: -0.02em; text-transform: uppercase; }
h3 { font-size: clamp(0.98rem, 1.5vw, 1.22rem); font-weight: 600; line-height: 1.18; letter-spacing: -0.01em; }
h4 { font-size: 0.96rem; font-weight: 600; letter-spacing: 0.01em; }
p  { font-size: 0.92rem; color: var(--text-secondary); }

.gold { color: var(--primary); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }

/* Section heading style */
.section-title {
  text-align: center;
  margin-bottom: 28px;
}
.section-title h2 {
  color: var(--text-primary);
  margin-bottom: 8px;
}
.section-title h2 span { color: var(--primary); }
.section-title p { color: var(--text-secondary); max-width: 520px; margin: 0 auto; }
.section-title .divider {
  width: 72px; height: 2px;
  background: linear-gradient(90deg, var(--primary), rgba(57,243,255,0));
  margin: 10px auto 0;
  border-radius: 0;
}

/* =============================================
   LAYOUT
   ============================================= */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 14px;
}
.section { padding: 52px 0; }
.section-dark  { background: var(--bg-dark); }
.section-card  { background: var(--bg-card); }
.section-card2 { background: var(--bg-card2); }

.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.grid-main-sidebar {
  display: grid;
  grid-template-columns: 1fr 290px;
  gap: 18px;
}
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: 6px; }
.gap-4 { gap: 10px; }

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 700;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #08111d;
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #031018;
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}
.btn-outline {
  border: 1px solid var(--primary);
  color: var(--primary);
  background: rgba(57,243,255,0.04);
}
.btn-outline:hover {
  background: var(--primary);
  color: #04101a;
}
.btn-accent {
  background: linear-gradient(135deg, #ff3d8f, #ff6b56);
  color: #fff2f7;
}
.btn-accent:hover {
  background: linear-gradient(135deg, #ff5da4, #ff8a6d);
  color: #ffffff;
  transform: translateY(-1px);
}
.btn-lg { padding: 11px 22px; font-size: 0.9rem; }
.btn-sm { padding: 6px 12px; font-size: 0.74rem; }

/* =============================================
   CARDS
   ============================================= */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.card:hover {
  transform: translateY(-2px);
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
  background: #101a2d;
}
.card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.card-body { padding: 14px; }
.card-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  letter-spacing: -0.01em;
}
.card-title a:hover { color: var(--primary); }
.card-meta {
  display: flex;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.card-excerpt {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-footer {
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Post list item */
.post-item {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.post-item:last-child { border-bottom: none; }
.post-item-thumb {
  width: 92px;
  height: 62px;
  object-fit: cover;
  border-radius: 2px;
  flex-shrink: 0;
}
.post-item-body { flex: 1; min-width: 0; }
.post-item-title {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 4px;
}
.post-item-title a:hover { color: var(--primary); }
.post-item-meta { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }

/* =============================================
   HEADER
   ============================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(9,15,28,0.96);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
  box-shadow: 0 0 0 1px rgba(57,243,255,0.05);
  backdrop-filter: blur(10px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.site-logo img { height: 32px; width: auto; }
.site-logo-text {
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Main nav */
.main-nav { display: flex; align-items: center; }
.main-nav ul { display: flex; align-items: center; gap: 2px; }
.main-nav a {
  display: block;
  padding: 6px 10px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 2px;
  transition: all var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--primary);
  background: rgba(57,243,255,0.08);
}
.main-nav .nav-cta {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #07111d !important;
  padding: 6px 14px;
  font-weight: 800;
  border-radius: 2px;
  margin-left: 8px;
}
.main-nav .nav-cta:hover {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #031018 !important;
}

/* Search bar in header */
.header-search { position: relative; }
.header-search input {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 7px 34px 7px 10px;
  border-radius: 2px;
  font-size: 0.8rem;
  width: 170px;
  transition: all var(--transition);
}
.header-search input:focus {
  outline: none;
  border-color: var(--primary);
  width: 210px;
  box-shadow: 0 0 0 1px rgba(57,243,255,0.18);
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.82rem;
}
.header-search button:hover { color: var(--primary); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 4px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 0;
  transition: all var(--transition);
}

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6,9,18,0.98);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  padding: 10px 22px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.mobile-nav a:hover { color: var(--primary); }
.mobile-nav-close {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 1.7rem;
  color: var(--text-muted);
  cursor: pointer;
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #050913 0%, #0a1324 52%, #07101b 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.11;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(5,9,19,0.88) 0%, rgba(10,19,36,0.58) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(57,243,255,0.08);
  border: 1px solid var(--border-gold);
  color: var(--primary);
  padding: 5px 10px;
  border-radius: 2px;
  font-size: 0.74rem;
  font-weight: 700;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hero h1 { color: var(--text-primary); margin-bottom: 14px; }
.hero h1 span { color: var(--primary); }
.hero p {
  color: var(--text-secondary);
  font-size: 0.94rem;
  margin-bottom: 22px;
  max-width: 500px;
}
.hero-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 24px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.hero-stat-num {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
}
.hero-stat-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Floating gold particle decoration */
.hero::after {
  content: '';
  position: absolute;
  right: -120px;
  top: -80px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(57,243,255,0.12) 0%, rgba(57,243,255,0) 68%);
  pointer-events: none;
}

/* =============================================
   BREADCRUMB
   ============================================= */
.breadcrumb {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 9px 0;
}
.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.74rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.breadcrumb-list a { color: var(--text-muted); }
.breadcrumb-list a:hover { color: var(--primary); }
.breadcrumb-list .sep { color: #334762; }
.breadcrumb-list .current { color: var(--text-primary); }

/* =============================================
   FEATURED POSTS (Home)
   ============================================= */
.featured-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  grid-template-rows: auto auto;
  gap: 14px;
}
.featured-main {
  grid-row: 1 / 3;
  grid-column: 1 / 2;
}
.featured-main .card-img { aspect-ratio: 4/3; }
.featured-main .card-title { font-size: 1.08rem; }
.featured-main .card-excerpt { -webkit-line-clamp: 4; }

/* Category label */
.cat-label {
  display: inline-block;
  background: var(--primary);
  color: #04121a;
  font-size: 0.64rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 1px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.cat-label-accent { background: var(--accent); color: #fff3f8; }

/* =============================================
   TICKER / BREAKING NEWS
   ============================================= */
.ticker-bar {
  background: linear-gradient(90deg, #2a1030, #59153a);
  color: #ffeaf5;
  padding: 7px 0;
  overflow: hidden;
}
.ticker-inner { display: flex; align-items: center; gap: 12px; }
.ticker-label {
  font-size: 0.68rem;
  font-weight: 800;
  background: rgba(255,255,255,0.08);
  padding: 2px 8px;
  border-radius: 1px;
  white-space: nowrap;
  flex-shrink: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.ticker-track {
  display: flex;
  gap: 30px;
  animation: ticker 30s linear infinite;
  white-space: nowrap;
  font-size: 0.78rem;
}
.ticker-track a { color: #fff1f7; }
.ticker-track a:hover { text-decoration: underline; color: #ffffff; }
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* =============================================
   APP DOWNLOAD CARDS
   ============================================= */
.app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 14px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.app-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), rgba(57,243,255,0));
}
.app-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}
.app-card img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin: 0 auto 10px;
  border-radius: 4px;
}
.app-card h4 { color: var(--primary); font-size: 0.9rem; margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.06em; }
.app-card p { font-size: 0.74rem; color: var(--text-secondary); }

/* =============================================
   ABOUT SECTION
   ============================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  align-items: center;
}
.about-content h2 { margin-bottom: 14px; }
.about-content p { color: var(--text-secondary); margin-bottom: 10px; }
.about-features { margin: 18px 0; display: flex; flex-direction: column; gap: 8px; }
.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.about-feature-icon {
  width: 32px;
  height: 32px;
  background: rgba(0,255,214,0.09);
  border: 1px solid var(--primary);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
  flex-shrink: 0;
  margin-top: 0;
}
.about-feature-text h4 { color: var(--primary); font-size: 0.86rem; margin-bottom: 1px; }
.about-feature-text p { font-size: 0.77rem; margin: 0; }
.about-img-wrap { position: relative; }
.about-img-wrap img {
  width: 100%;
  border-radius: 4px;
  border: 1px solid var(--primary);
}
.about-img-badge {
  position: absolute;
  bottom: -12px;
  right: -12px;
  background: var(--primary);
  color: #081018;
  font-weight: 700;
  font-size: 1rem;
  width: 82px;
  height: 82px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1.05;
  box-shadow: 0 0 0 1px rgba(0,255,214,0.25);
}

/* =============================================
   FAQ
   ============================================= */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 14px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.87rem;
  color: var(--text-primary);
  user-select: none;
  transition: color var(--transition), background var(--transition), letter-spacing var(--transition);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.faq-question:hover { color: var(--primary); background: rgba(0,255,214,0.04); }
.faq-question .faq-icon {
  width: 20px;
  height: 20px;
  border: 1px solid var(--primary);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.76rem;
  color: var(--primary);
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition), color var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  display: none;
  padding: 0 14px 14px;
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.55;
  border-top: 1px solid var(--border);
}
.faq-item.open .faq-answer { display: block; }

/* Partners */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}
.partner-card {
  background: var(--bg-card);
  border: 1px solid var(--primary);
  border-radius: 3px;
  padding: 16px 12px;
  text-align: center;
  transition: transform .18s, box-shadow .18s, border-color .18s, background .18s;
}
.partner-card:hover { transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(0,255,214,.22); }
.partner-icon { font-size: 1.55rem; margin-bottom: 6px; }
.partner-name { font-weight: 700; font-size: 0.94rem; color: var(--primary); margin-bottom: 4px; letter-spacing: 0.04em; text-transform: uppercase; }
.partner-desc { font-size: .75rem; color: var(--text-secondary); line-height: 1.45; }

/* Trust row */
.trust-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  border-top: 1px solid var(--primary);
  padding-top: 18px;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--primary);
  border-radius: 2px;
  padding: 6px 12px;
  font-size: .78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

@media (max-width: 768px) {
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
}

/* =============================================
   SIDEBAR
   ============================================= */
.sidebar { display: flex; flex-direction: column; gap: 16px; }
.widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.widget-header {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 6px;
}
.widget-header h4 {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.widget-header::before {
  content: '';
  display: block;
  width: 4px;
  height: 14px;
  background: var(--primary);
  border-radius: 0;
}
.widget-body { padding: 12px 14px; }

/* Sidebar search */
.widget-search { display: flex; gap: 6px; }
.widget-search input {
  flex: 1;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 10px;
  border-radius: 2px;
  font-size: 0.8rem;
}
.widget-search input:focus { outline: none; border-color: var(--primary); }
.widget-search button {
  background: var(--primary);
  color: #071116;
  padding: 8px 11px;
  border-radius: 2px;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Category list */
.cat-list { display: flex; flex-direction: column; }
.cat-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
}
.cat-list-item:last-child { border-bottom: none; }
.cat-list-item a { color: var(--text-secondary); }
.cat-list-item a:hover { color: var(--primary); }
.cat-count {
  background: rgba(111,124,146,0.12);
  color: var(--text-muted);
  font-size: 0.68rem;
  padding: 1px 6px;
  border-radius: 2px;
}

/* Popular posts widget */
.popular-item {
  display: flex;
  gap: 9px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.popular-item:last-child { border-bottom: none; }
.popular-rank {
  font-size: 1rem;
  font-weight: 700;
  color: var(--border);
  width: 20px;
  flex-shrink: 0;
  line-height: 1;
  padding-top: 1px;
}
.popular-item:nth-child(1) .popular-rank { color: var(--primary); }
.popular-item:nth-child(2) .popular-rank { color: var(--text-secondary); }
.popular-item:nth-child(3) .popular-rank { color: #7d8cff; }
.popular-img {
  width: 56px;
  height: 38px;
  object-fit: cover;
  border-radius: 2px;
  flex-shrink: 0;
}
.popular-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.3;
}
.popular-title a:hover { color: var(--primary); }

/* Tag cloud */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-item {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 2px;
  transition: all var(--transition);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tag-item:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(0,255,214,0.08);
}

/* =============================================
   SINGLE POST
   ============================================= */
.post-hero {
  position: relative;
  height: 340px;
  overflow: hidden;
}
.post-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.post-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(4,8,16,0.92) 0%, rgba(4,8,16,0.18) 58%);
}
.post-hero-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
}
.post-header { padding: 28px 0 0; }
.post-title { font-size: clamp(1.25rem, 2.5vw, 1.8rem); margin-bottom: 10px; letter-spacing: 0.01em; }
.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.76rem;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.post-meta span { display: flex; align-items: center; gap: 5px; }
.post-content {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}
.post-content h2, .post-content h3, .post-content h4 {
  color: var(--text-primary);
  margin: 22px 0 8px;
}
.post-content p { margin-bottom: 12px; }
.post-content img {
  max-width: 100%;
  border-radius: 2px;
  margin: 14px 0;
  border: 1px solid var(--border);
}
.post-content a { color: var(--primary); text-decoration: underline; }
.post-content blockquote {
  border-left: 2px solid var(--primary);
  padding: 12px 14px;
  background: var(--bg-card2);
  border-radius: 0 2px 2px 0;
  margin: 14px 0;
  font-style: normal;
  color: var(--text-secondary);
}
.post-content ul, .post-content ol {
  padding-left: 20px;
  margin: 12px 0;
  list-style: disc;
}
.post-content ol { list-style: decimal; }
.post-content li { margin-bottom: 5px; color: var(--text-secondary); }
.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  font-size: 0.82rem;
}
.post-content th {
  background: #121927;
  color: var(--primary);
  padding: 8px 10px;
  text-align: left;
  border: 1px solid var(--border);
}
.post-content td {
  padding: 8px 10px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

/* Post tags */
.post-tags { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: 20px; }
.post-tags-label { font-size: 0.74rem; color: var(--text-muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; }

/* Share bar */
.share-bar {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 20px 0;
  flex-wrap: wrap;
}
.share-label { font-size: 0.76rem; color: var(--text-muted); font-weight: 700; margin-right: 2px; text-transform: uppercase; letter-spacing: 0.08em; }
.share-btn {
  padding: 6px 12px;
  border-radius: 2px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #061018;
  display: inline-block;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.share-wechat  { background: #00f5a0; }
.share-weibo   { background: #ff4d6d; }
.share-twitter { background: #47c7ff; }
.share-copy    { background: #111826; border: 1px solid #253047; color: #93a4bf; cursor: pointer; }

/* Related posts */
.related-posts { margin-top: 34px; }
.related-posts h3 { margin-bottom: 14px; font-size: 0.98rem; border-left: 2px solid var(--primary); padding-left: 8px; text-transform: uppercase; letter-spacing: 0.08em; }

/* =============================================
   PAGINATION
   ============================================= */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 32px;
}
.page-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 2px;
  font-size: 0.8rem;
  font-weight: 700;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition);
}
.page-item:hover { border-color: var(--primary); color: var(--primary); background: rgba(0,255,214,0.05); }
.page-item.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #071018;
}
.page-item.disabled { opacity: 0.35; pointer-events: none; }

/* =============================================
   SEARCH PAGE
   ============================================= */
.search-header { padding: 28px 0; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.search-form-large { display: flex; gap: 8px; max-width: 520px; }
.search-form-large input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: 2px;
  font-size: 0.88rem;
}
.search-form-large input:focus { outline: none; border-color: var(--primary); }
.search-results-count { font-size: 0.8rem; color: var(--text-muted); margin-top: 8px; }
.search-highlight { color: var(--primary); font-weight: 700; }

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: #060b12;
  border-top: 1px solid var(--border);
  padding-top: 38px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 24px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--border);
}
.footer-brand-text { color: var(--text-secondary); font-size: 0.8rem; margin: 10px 0 14px; line-height: 1.55; }
.footer-social { display: flex; gap: 8px; }
.social-btn {
  width: 32px;
  height: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: all var(--transition);
}
.social-btn:hover { border-color: var(--primary); color: var(--primary); background: rgba(0,255,214,0.05); }
.footer-col h5 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--primary);
  margin-bottom: 12px;
}
.footer-links { display: flex; flex-direction: column; gap: 6px; }
.footer-links a {
  font-size: 0.77rem;
  color: var(--text-muted);
  transition: color var(--transition), padding-left var(--transition);
}
.footer-links a:hover { color: var(--text-primary); padding-left: 3px; }
.footer-bottom {
  padding: 14px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p { font-size: 0.72rem; color: var(--text-muted); }
.footer-legal { display: flex; gap: 14px; }
.footer-legal a { font-size: 0.72rem; color: var(--text-muted); }
.footer-legal a:hover { color: var(--primary); }
.footer-beian { margin-top: 3px; font-size: 11px;}
.footer-beian a { color: #6f7c92; text-decoration: none; transition: color 0.3s;}
.footer-beian a:hover { color: #d8e6ff; text-decoration: underline;}

/* Disclaimer bar */
.disclaimer-bar {
  background: rgba(0,255,214,0.05);
  border-top: 1px solid var(--primary);
  padding: 9px 0;
  text-align: center;
  font-size: 0. सातrem;
  color: var(--text-muted);
}

/* =============================================
   404 PAGE
   ============================================= */
.page-404 {
  min-height: 62vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.error-code {
  font-size: 6.6rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 0.95;
  opacity: 0.18;
}
.error-title { font-size: 1.45rem; margin-bottom: 8px; letter-spacing: 0.04em; text-transform: uppercase; }
.error-msg { color: var(--text-muted); margin-bottom: 20px; font-size: 0.88rem; }

/* =============================================
   STATIC PAGES (about, contact, privacy, terms)
   ============================================= */
.page-hero {
  background: linear-gradient(135deg, #0b1220 0%, #050910 100%);
  padding: 38px 0;
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.page-hero h1 { margin-bottom: 8px; }
.page-hero p { color: var(--text-muted); font-size: 0.9rem; }

.content-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 24px;
}
.content-box h2 {
  font-size: 1.02rem;
  color: var(--primary);
  margin: 22px 0 8px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.content-box h2:first-child { border-top: none; margin-top: 0; padding-top: 0; }
.content-box p { color: var(--text-secondary); margin-bottom: 10px; line-height: 1.6; }
.content-box ul { padding-left: 16px; list-style: disc; }
.content-box li { color: var(--text-secondary); margin-bottom: 5px; }

/* Contact form */
.contact-form { display: flex; flex-direction: column; gap: 12px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-group { display: flex; flex-direction: column; gap: 4px; }

.form-group label { font-size: 0.76rem; font-weight: 700; color: var(--text-secondary); letter-spacing: 0.04em; text-transform: uppercase; }
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 10px;
  border-radius: 2px;
  font-size: 0.82rem;
  line-height: 1.35;
  transition: border-color var(--transition), background-color var(--transition), color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--bg-card);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group textarea { min-height: 118px; resize: vertical; }
.form-notice { font-size: 0.72rem; color: var(--text-muted); line-height: 1.4; }

/* Contact info blocks */
.contact-info { display: flex; flex-direction: column; gap: 12px; }
.contact-info-item {
  display: flex;
  gap: 10px;
  padding: 13px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 3px;
}
.contact-icon {
  width: 36px;
  height: 36px;
  background: rgba(0,255,200,0.1);
  border: 1px solid rgba(0,255,200,0.22);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--primary);
  flex-shrink: 0;
}
.contact-info-item h5 { font-size: 0.76rem; color: var(--primary); margin-bottom: 3px; letter-spacing: 0.05em; text-transform: uppercase; }
.contact-info-item p { font-size: 0.78rem; color: var(--text-muted); margin: 0; line-height: 1.45; }

/* =============================================
   CATEGORY PAGE
   ============================================= */
.category-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
  margin-bottom: 24px;
}
.category-header h1 { font-size: 1.5rem; letter-spacing: -0.02em; }
.category-header p { color: var(--text-muted); font-size: 0.82rem; margin-top: 4px; line-height: 1.45; }

.sort-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.sort-bar-label { font-size: 0.74rem; color: var(--text-muted); letter-spacing: 0.05em; text-transform: uppercase; }
.sort-btn {
  font-size: 0.74rem;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-muted);
  background: var(--bg-card2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all var(--transition);
}
.sort-btn:hover, .sort-btn.active {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(0,255,200,0.08);
}

/* =============================================
   LOADING / ANIMATIONS
   ============================================= */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.42s cubic-bezier(0.2, 0.8, 0.2, 1) forwards; }

@keyframes pulse-gold {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,255,200,0.28); }
  50%       { box-shadow: 0 0 0 6px rgba(0,255,200,0); }
}
.pulse { animation: pulse-gold 1.8s infinite; }

/* =============================================
   NOTICE / ALERT
   ============================================= */
.notice {
  padding: 10px 12px;
  border-radius: 2px;
  font-size: 0.8rem;
  border-left: 2px solid;
  margin-bottom: 12px;
  line-height: 1.45;
}
.notice-warning {
  background: rgba(0,255,200,0.08);
  border-color: var(--primary);
  color: var(--primary-dark);
}
.notice-info {
  background: rgba(77,163,255,0.08);
  border-color: #4da3ff;
  color: #93c5fd;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .grid-4     { grid-template-columns: repeat(2, 1fr); }
  .app-grid   { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .grid-main-sidebar { grid-template-columns: 1fr; }
  .sidebar { display: grid; grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 24px; }
  .about-img-wrap { max-width: 440px; }
}

@media (max-width: 768px) {
  :root { --header-h: 54px; }
  .section { padding: 40px 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .featured-grid { grid-template-columns: 1fr; }
  .featured-main { grid-row: auto; grid-column: auto; }
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .header-search { display: none; }
  .hero { min-height: 420px; }
  .hero-stats { flex-wrap: wrap; gap: 12px; }
  .post-hero { height: 208px; }
  .post-hero-content { padding: 14px; }
  .sidebar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 18px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .app-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .hero-btns { flex-direction: column; }
  .share-bar { flex-direction: column; align-items: flex-start; }
  .content-box { padding: 16px 14px; }
  .about-img-badge { width: 66px; height: 66px; font-size: 0.78rem; bottom: -8px; right: -8px; }
}

@media (max-width: 480px) {
  .container { padding: 0 10px; }
  h1 { font-size: 1.45rem; }
  .app-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .app-card { padding: 12px 10px; }
  .error-code { font-size: 4.2rem; }
  .search-form-large { flex-direction: column; }
}

/* =============================================
   SCROLLBAR
   ============================================= */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 1px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* =============================================
   SELECTION
   ============================================= */
::selection { background: rgba(0,255,200,0.22); color: var(--text-primary); }

/* =============================================
   BACK TO TOP
   ============================================= */
.back-to-top {
  position: fixed;
  bottom: 18px;
  right: 18px;
  width: 38px;
  height: 38px;
  background: var(--primary);
  color: #081018;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
  box-shadow: 0 0 0 1px rgba(0,255,200,0.22);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), background-color var(--transition);
  z-index: 500;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { transform: translateY(-2px); background: var(--primary-light); }

/* =============================================
   style-supplement.css
   Bổ sung cho style.css — app.php / login.php / signup.php
   ============================================= */


/* =============================================
   APP PAGE — app.php
   ============================================= */

.app-hero {
  position: relative;
  padding: 54px 0 40px;
  overflow: hidden;
  background: linear-gradient(135deg, #05080f 0%, #0a1020 52%, #07111a 100%);
  text-align: center;
}
.app-hero::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(0,255,200,0.1) 0%, transparent 62%);
  pointer-events: none;
}
.app-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,255,200,0.08);
  border: 1px solid rgba(0,255,200,0.28);
  color: var(--primary);
  padding: 5px 12px;
  border-radius: 3px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.app-hero h1 { color: var(--text-primary); margin-bottom: 10px; }
.app-hero h1 span { color: var(--primary); }
.app-hero-sub {
  color: var(--text-secondary);
  font-size: 0.92rem;
  max-width: 440px;
  margin: 0 auto 24px;
  line-height: 1.5;
}

/* Download buttons */
.dl-btns {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 3px;
  font-weight: 700;
  font-size: 0.84rem;
  letter-spacing: 0.03em;
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
}
.dl-btn-android {
  background: linear-gradient(135deg, #00f5c4, #00b7ff);
  color: #041018;
  border: none;
}
.dl-btn-android:hover {
  background: linear-gradient(135deg, #6bffeb, #25d0ff);
  color: #02070d;
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(0,245,196,0.28);
}
.dl-btn-ios {
  background: transparent;
  border: 1px solid rgba(0,255,200,0.42);
  color: var(--primary);
}
.dl-btn-ios:hover {
  background: rgba(0,255,200,0.08);
  border-color: var(--primary-light);
  transform: translateY(-2px);
}
.dl-btn-icon { font-size: 1.2rem; line-height: 1; }
.dl-btn-text-wrap { text-align: left; }
.dl-btn-sub { font-size: 0.62rem; font-weight: 500; opacity: 0.74; display: block; text-transform: uppercase; letter-spacing: 0.08em; }
.dl-btn-main { font-size: 0.88rem; font-weight: 800; display: block; }

/* Hero stats */
.app-hero-stats {
  display: flex;
  justify-content: center;
  gap: 30px;
  padding-top: 18px;
  border-top: 1px solid rgba(0,255,200,0.16);
  flex-wrap: wrap;
}
.app-hero-stat { text-align: center; }
.app-hero-stat-num {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
}
.app-hero-stat-label { font-size: 0.68rem; color: var(--text-muted); letter-spacing: 0.08em; text-transform: uppercase; }

/* App mockup section */
.app-mockup-section {
  padding: 42px 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.app-mockup-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items: center;
}
.app-mockup-text h2 { margin-bottom: 10px; }
.app-mockup-text h2 span { color: var(--primary); }
.app-mockup-text p { color: var(--text-secondary); margin-bottom: 16px; font-size: 0.84rem; line-height: 1.55; }
.app-features-list { display: flex; flex-direction: column; gap: 10px; }
.app-feature-row { display: flex; align-items: flex-start; gap: 8px; }
.app-feature-check {
  width: 18px;
  height: 18px;
  background: rgba(0,255,200,0.08);
  border: 1px solid rgba(0,255,200,0.36);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 1px;
}
.app-feature-row p { font-size: 0.78rem; color: var(--text-secondary); margin: 0; line-height: 1.45; }
.app-feature-row strong { color: var(--text-primary); }

/* Phone visual */
.phone-visual { display: flex; justify-content: center; gap: 14px; }
.phone-frame {
  width: 146px;
  background: #0d1320;
  border: 1px solid #243044;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(0,255,200,0.08);
  position: relative;
}
.phone-frame.large { width: 174px; }
.phone-notch {
  height: 18px;
  background: #111a2a;
  display: flex;
  align-items: center;
  justify-content: center;
}
.phone-notch::after {
  content: '';
  width: 52px;
  height: 8px;
  background: #1c2637;
  border-radius: 0 0 4px 4px;
}
.phone-screen {
  background: linear-gradient(160deg, #0a1220 0%, #121b2b 100%);
  padding: 9px;
  min-height: 244px;
}
.phone-screen-header {
  background: #00f5c4;
  border-radius: 2px;
  height: 22px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  padding: 0 6px;
}
.phone-screen-header span { font-size: 0.5rem; font-weight: 800; color: #041018; letter-spacing: 0.06em; text-transform: uppercase; }
.phone-screen-card {
  background: #111827;
  border: 1px solid #243244;
  border-radius: 2px;
  height: 48px;
  margin-bottom: 6px;
  padding: 6px;
  display: flex;
  gap: 5px;
  align-items: center;
}
.phone-screen-img {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, #1a2737, #0f1725);
  border-radius: 2px;
  flex-shrink: 0;
}
.phone-screen-lines { flex: 1; }
.phone-screen-line { height: 4px; border-radius: 1px; margin-bottom: 4px; }
.phone-screen-line.gold { background: rgba(0,245,196,0.62); width: 70%; }
.phone-screen-line.gray { background: #334155; width: 50%; }
.phone-bottom {
  height: 16px;
  background: #0b1320;
  display: flex;
  align-items: center;
  justify-content: center;
}
.phone-home-bar { width: 42px; height: 3px; background: #2e3a4f; border-radius: 1px; }

/* QR section */
.qr-section { padding: 42px 0; background: var(--bg-dark); }
.qr-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.qr-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 20px 14px;
  text-align: center;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}
.qr-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, #00f5c4, transparent);
}
.qr-card:hover {
  border-color: rgba(0,255,200,0.34);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(0,255,200,0.08);
}
.qr-icon { font-size: 1.9rem; margin-bottom: 8px; color: var(--primary); }
.qr-card h4 { color: var(--primary); font-size: 0.86rem; margin-bottom: 6px; letter-spacing: 0.04em; text-transform: uppercase; }
.qr-card p { font-size: 0.74rem; color: var(--text-secondary); margin-bottom: 14px; line-height: 1.45; }
.qr-box {
  width: 92px;
  height: 92px;
  background: #dbe7ef;
  border: 1px solid #243244;
  border-radius: 3px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.qr-btn {
  display: inline-block;
  padding: 7px 14px;
  background: linear-gradient(135deg, #00f5c4, #00b7ff);
  color: #041018;
  font-weight: 800;
  font-size: 0.74rem;
  border-radius: 2px;
  transition: all 0.2s;
  text-decoration: none;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.qr-btn:hover {
  background: linear-gradient(135deg, #73ffe8, #33cfff);
  color: #02070d;
  transform: translateY(-1px);
}

/* Install steps */
.install-section {
  padding: 42px 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}
.install-tabs {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-bottom: 24px;
}
.install-tab {
  padding: 7px 14px;
  border-radius: 2px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  background: transparent;
}
.install-tab.active,
.install-tab:hover {
  background: linear-gradient(135deg, #00f5c4, #00b7ff);
  color: #041018;
  border-color: #00f5c4;
}
.install-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.install-step { text-align: center; position: relative; }
.install-step:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: -8px;
  top: 22px;
  color: #2b3a4e;
  font-size: 1rem;
}
.step-num {
  width: 46px;
  height: 46px;
  background: rgba(0,255,200,0.08);
  border: 1px solid rgba(0,255,200,0.3);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--primary);
  margin: 0 auto 10px;
}
.install-step h4 { font-size: 0.8rem; color: var(--text-primary); margin-bottom: 4px; letter-spacing: 0.03em; text-transform: uppercase; }
.install-step p { font-size: 0.72rem; color: var(--text-muted); line-height: 1.45; }

/* App FAQ */
.app-faq { padding: 34px 0; background: var(--bg-dark); }


/* =============================================
   AUTH SHARED — login.php + signup.php
   ============================================= */

.auth-page { min-height: 100vh; display: flex; flex-direction: column; }

/* Left branding panel */
.auth-left {
  background: linear-gradient(145deg, #060b14 0%, #0a1220 42%, #08101a 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 34px;
}
.auth-left::before {
  content: '';
  position: absolute;
  left: -100px;
  top: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,255,200,0.08) 0%, transparent 62%);
  pointer-events: none;
}
.auth-left::after {
  content: '';
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(102,153,255,0.07) 0%, transparent 62%);
  pointer-events: none;
}
.auth-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,255,200,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,200,0.07) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.auth-left-content { position: relative; z-index: 2; }
.auth-brand { display: flex; align-items: center; gap: 8px; margin-bottom: 24px; }
.auth-brand-logo {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: #dffeff;
}
.auth-brand-name { font-size: 1.08rem; font-weight: 700; color: var(--primary); letter-spacing: 0.08em; text-transform: uppercase; }
.auth-headline {
  font-size: clamp(1.45rem, 2.2vw, 1.95rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.08;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.auth-headline span { color: var(--primary); }
.auth-sub {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.45;
  margin-bottom: 24px;
  max-width: 390px;
}

/* Left panel feature list (login) */
.auth-features { display: flex; flex-direction: column; gap: 10px; }
.auth-feature { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); font-size: 0.78rem; line-height: 1.35; }
.auth-feature-dot { width: 6px; height: 6px; background: var(--primary); border-radius: 1px; flex-shrink: 0; }

/* Left panel benefits list (signup) */
.auth-benefits { display: flex; flex-direction: column; gap: 10px; }
.auth-benefit { display: flex; align-items: flex-start; gap: 9px; }
.auth-benefit-icon {
  width: 28px;
  height: 28px;
  background: rgba(0,255,200,0.08);
  border: 1px solid rgba(0,255,200,0.32);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  flex-shrink: 0;
}
.auth-benefit-text h5 { font-size: 0.78rem; color: var(--primary); margin-bottom: 1px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.auth-benefit-text p { font-size: 0.72rem; color: var(--text-muted); margin: 0; line-height: 1.35; }

/* Left panel deco footer */
.auth-left-deco { position: absolute; bottom: 18px; left: 34px; right: 34px; z-index: 2; }
.auth-deco-bar { height: 1px; background: linear-gradient(90deg, #00ffc8, transparent); margin-bottom: 8px; }
.auth-deco-text { font-size: 0.66rem; color: var(--text-muted); letter-spacing: 1.6px; text-transform: uppercase; }

/* Right form panel */
.auth-right {
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px 26px;
  overflow-y: auto;
}
.auth-form-wrap { width: 100%; max-width: 336px; }
.auth-form-header { margin-bottom: 22px; }
.auth-form-header h2 { font-size: 1.28rem; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; letter-spacing: 0.04em; text-transform: uppercase; }
.auth-form-header p { font-size: 0.78rem; color: var(--text-muted); line-height: 1.4; }

/* Form fields */
.auth-form { display: flex; flex-direction: column; gap: 12px; }
.auth-field { display: flex; flex-direction: column; gap: 4px; }
.auth-label { font-size: 0.72rem; font-weight: 700; color: var(--text-secondary); letter-spacing: 0.08em; text-transform: uppercase; }
.auth-input-wrap { position: relative; }
.auth-input {
  width: 100%;
  background: #0b1322;
  border: 1px solid #1b2a40;
  color: var(--text-primary);
  padding: 10px 38px 10px 11px;
  border-radius: 2px;
  font-size: 0.82rem;
  transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
  font-family: var(--font-main);
  line-height: 1.25;
}
.auth-input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(0,255,200,0.04);
  box-shadow: 0 0 0 1px rgba(0,255,200,0.32);
}
.auth-input.valid  { border-color: #22f0a2; }
.auth-input.invalid { border-color: #ff4d7a; }
.auth-input::placeholder { color: var(--text-muted); }
.auth-input-icon {
  position: absolute;
  right: 11px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.9rem;
  color: var(--text-muted);
  pointer-events: none;
}
.auth-input-toggle {
  position: absolute;
  right: 11px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.76rem;
  padding: 0;
  transition: color 0.18s ease, opacity 0.18s ease;
}
.auth-input-toggle:hover { color: var(--primary); opacity: 1; }
.auth-field-hint  { font-size: 0.66rem; color: var(--text-muted); line-height: 1.3; }
.auth-field-error { font-size: 0.66rem; color: #ff4d7a; display: none; line-height: 1.3; }

/* Remember / forgot row */
.auth-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.auth-checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 0.73rem;
  color: var(--text-muted);
  line-height: 1.2;
}
.auth-checkbox-label input[type="checkbox"] { width: 13px; height: 13px; accent-color: var(--primary); cursor: pointer; }
.auth-forgot { font-size: 0.73rem; color: var(--primary); text-decoration: none; transition: color 0.18s ease, opacity 0.18s ease; }
.auth-forgot:hover { opacity: 1; color: var(--primary-light); }

/* Submit button */
.auth-submit {
  width: 100%;
  padding: 11px;
  background: linear-gradient(135deg, #00ffc8, #00a7ff);
  color: #031019;
  font-weight: 800;
  font-size: 0.86rem;
  border-radius: 2px;
  border: 1px solid #1ef2d0;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  font-family: var(--font-main);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.auth-submit:hover {
  background: linear-gradient(135deg, #6affea, #38b8ff);
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(0,255,200,0.3);
}
.auth-submit:active { transform: translateY(0); }

/* Divider */
.auth-divider { display: flex; align-items: center; gap: 8px; color: var(--text-muted); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; }
.auth-divider::before,
.auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* Social login buttons */
.auth-social { display: flex; gap: 8px; }
.auth-social-btn {
  flex: 1;
  padding: 9px;
  background: #0b1322;
  border: 1px solid #1b2a40;
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
  font-family: var(--font-main);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.auth-social-btn:hover { border-color: #00ffc8; color: #00ffc8; background: rgba(0,255,200,0.04); }

/* Switch link */
.auth-switch { text-align: center; font-size: 0.76rem; color: var(--text-muted); line-height: 1.35; }
.auth-switch a { color: var(--primary); font-weight: 700; text-decoration: none; text-transform: uppercase; letter-spacing: 0.04em; }
.auth-switch a:hover { text-decoration: underline; color: var(--primary-light); }

/* Notice / alert */
.auth-notice { padding: 8px 10px; border-radius: 2px; font-size: 0.74rem; display: none; line-height: 1.35; }
.auth-notice.error  { background: rgba(255,77,122,0.09);  border: 1px solid rgba(255,77,122,0.32);  color: #ff8aa8; display: block; }
.auth-notice.success { background: rgba(34,240,162,0.08); border: 1px solid rgba(34,240,162,0.3); color: #7dffd0; display: block; }


/* =============================================
   SIGNUP SPECIFIC — signup.php
   ============================================= */

/* Signup layout wider right panel */
.auth-main-signup { grid-template-columns: 1fr 500px; }
.auth-form-wrap-wide { max-width: 384px; }

/* Progress steps */
.reg-steps { display: flex; align-items: center; gap: 0; margin-bottom: 18px; }
.reg-step { flex: 1; text-align: center; position: relative; }
.reg-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 12px;
  right: -50%;
  width: 100%;
  height: 1px;
  background: #22324a;
  z-index: 0;
}
.reg-step.done:not(:last-child)::after,
.reg-step.active:not(:last-child)::after { background: #00ffc8; }
.reg-step-circle {
  width: 24px;
  height: 24px;
  border-radius: 2px;
  background: #0b1322;
  border: 1px solid #22324a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.64rem;
  font-weight: 800;
  color: var(--text-muted);
  margin: 0 auto 4px;
  position: relative;
  z-index: 1;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.reg-step.active .reg-step-circle { background: #00ffc8; border-color: #00ffc8; color: #041017; }
.reg-step.done  .reg-step-circle { background: rgba(0,255,200,0.08); border-color: #00ffc8; color: #00ffc8; }
.reg-step-label { font-size: 0.62rem; color: var(--text-muted); letter-spacing: 0.06em; text-transform: uppercase; }
.reg-step.active .reg-step-label { color: var(--primary); font-weight: 700; }

/* Phone prefix row */
.phone-row { display: flex; gap: 6px; }
.phone-prefix {
  width: 70px;
  flex-shrink: 0;
  background: #0b1322;
  border: 1px solid #1b2a40;
  color: var(--text-secondary);
  padding: 10px 8px;
  border-radius: 2px;
  font-size: 0.8rem;
  font-family: var(--font-main);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.phone-prefix:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 1px rgba(0,255,200,0.32); }
.phone-row .auth-input-wrap { flex: 1; }

/* Verify code row */
.verify-row { display: flex; gap: 8px; }
.verify-row .auth-input-wrap { flex: 1; }
.verify-btn {
  white-space: nowrap;
  padding: 0 12px;
  background: #0b1322;
  border: 1px solid #1b2a40;
  border-radius: 2px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
  font-family: var(--font-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.verify-btn:hover:not(:disabled) { border-color: #00ffc8; background: rgba(0,255,200,0.05); color: #6affea; }
.verify-btn:disabled { opacity: 0.45; cursor: not-allowed; color: var(--text-muted); }

/* Password strength meter */
.pwd-strength { margin-top: 4px; }
.pwd-strength-bar { display: flex; gap: 3px; margin-bottom: 3px; }
.pwd-strength-seg { flex: 1; height: 2px; background: #22324a; border-radius: 1px; transition: background 0.2s ease; }
.pwd-strength-label { font-size: 0.64rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* Agreement checkbox */
.auth-agree {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  cursor: pointer;
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.35;
}
.auth-agree input[type="checkbox"] {
  width: 13px;
  height: 13px;
  accent-color: var(--primary);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 1px;
}
.auth-agree a { color: var(--primary); text-decoration: none; }
.auth-agree a:hover { text-decoration: underline; color: var(--primary-light); }


/* =============================================
   AUTH RESPONSIVE
   ============================================= */

/* Login: 2-col layout */
.auth-main {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 440px;
  min-height: calc(100vh - 64px);
}

@media (max-width: 900px) {
  .auth-main { grid-template-columns: 1fr; }
  .auth-left  { display: none; }
  .auth-right { border-left: none; min-height: calc(100vh - 56px); }
}

/* App page responsive */
@media (max-width: 768px) {
  .app-mockup-grid    { grid-template-columns: 1fr; gap: 22px; }
  .qr-grid            { grid-template-columns: 1fr; }
  .install-steps      { grid-template-columns: repeat(2, 1fr); }
  .install-step:nth-child(2)::after { display: none; }
  .app-hero-stats     { gap: 14px; }
  .phone-visual       { gap: 8px; }
  .phone-frame        { width: 118px; }
  .phone-frame.large  { width: 138px; }
  .auth-right         { padding: 20px 16px; }
}

@media (max-width: 480px) {
  .install-steps             { grid-template-columns: 1fr; }
  .install-step::after       { display: none !important; }
}

/* =============================================
   CTA BANNER
   ============================================= */
.cta-banner {
  background: linear-gradient(135deg, #09111d 0%, #050912 52%, #0a1321 100%);
  border-top: 1px solid #00ffc8;
  border-bottom: 1px solid #00ffc8;
  padding: 34px 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,255,200,0.1) 0%, transparent 60%);
  pointer-events: none;
}
.cta-banner > .container { position: relative; z-index: 2; }
.cta-badge { margin-bottom: 12px; }
.cta-title { margin-bottom: 8px; }
.cta-desc {
  color: var(--text-secondary);
  margin: 0 auto 18px;
  max-width: 500px;
  line-height: 1.45;
}
.cta-btns {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .cta-banner { padding: 26px 0; }
  .cta-btns { flex-direction: column; align-items: stretch; max-width: 240px; margin: 0 auto; }
}