/* ================================================
   guide-single.html — page-specific styles
   ================================================ */

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

:root {
  --bg-base:     #06060A;
  --bg-surface:  #0D0D18;
  --bg-elevated: #131325;
  --pink:        #FF2D78;
  --blue:        #00D4FF;
  --purple:      #8B3FD9;
  --orange:      #FF6B35;
  --green:       #00FF87;
  --gold:        #FFD166;
  --text:        #FFFFFF;
  --text-muted:  rgba(255,255,255,0.6);
  --text-dim:    rgba(255,255,255,0.28);
  --border:      rgba(255,255,255,0.07);
  --border-lit:  rgba(255,255,255,0.13);
  --glow-pink:   rgba(255,45,120,0.35);
  --ff-display:  'Bebas Neue', sans-serif;
  --ff-accent:   'Rajdhani', sans-serif;
  --ff-body:     'Inter', sans-serif;
  --ff-mono:     'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg-base);
  color: var(--text);
  font-family: var(--ff-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--pink); border-radius: 2px; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ============ READING PROGRESS BAR ============ */
#progress-bar {
  position: fixed; top: 0; left: 0; z-index: 2000;
  height: 3px;
  background: linear-gradient(90deg, var(--pink), var(--purple));
  width: 0%;
  transition: width .1s linear;
  box-shadow: 0 0 10px rgba(255,45,120,.6);
}

/* ============ NAVBAR ============ */
#navbar {
  position: fixed; top: 3px; left: 0; right: 0;
  z-index: 1000;
  background: rgba(6,6,10,.9);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; height: 60px; gap: 40px; }
.nav-logo { display: flex; align-items: baseline; gap: 6px; font-family: var(--ff-display); font-size: 22px; letter-spacing: .02em; white-space: nowrap; }
.nav-logo span { color: var(--pink); }
.nav-back {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--ff-accent); font-size: 12px; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--text-muted); transition: color .2s;
}
.nav-back:hover { color: var(--pink); }
.nav-back::before { content: '←'; }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--ff-accent); font-weight: 700; font-size: 12px; letter-spacing: .18em; text-transform: uppercase; padding: 9px 20px; border: none; cursor: pointer; transition: transform .2s, box-shadow .3s; clip-path: polygon(7px 0%, 100% 0%, calc(100% - 7px) 100%, 0% 100%); }
.btn-primary { background: var(--pink); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 24px var(--glow-pink); }
@media (max-width: 768px) { .nav-back span { display: none; } }

/* ============ GUIDE HERO ============ */
#guide-hero {
  padding-top: 63px;
  position: relative;
  min-height: 560px;
  display: flex; align-items: flex-end;
  overflow: hidden;
}
.guide-hero-bg {
  position: absolute; inset: 0;
}
.guide-hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.guide-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(6,6,10,.3) 0%,
    rgba(6,6,10,.5) 50%,
    rgba(6,6,10,.95) 85%,
    var(--bg-base) 100%
  );
}
.guide-hero-content {
  position: relative; z-index: 1;
  padding: 60px 0 52px;
  width: 100%;
}
.guide-cat-row {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px; flex-wrap: wrap;
}
.guide-cat-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--ff-accent); font-size: 10px; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--pink); padding: 4px 10px;
  border: 1px solid rgba(255,45,120,.35); border-radius: 2px;
  background: rgba(255,45,120,.1);
}
.difficulty-badge { padding: 4px 10px; font-family: var(--ff-accent); font-size: 10px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; border-radius: 2px; }
.diff-hard { background: rgba(255,107,53,.12); border: 1px solid rgba(255,107,53,.3); color: #FF6B35; }
.diff-easy { background: rgba(0,255,135,.1); border: 1px solid rgba(0,255,135,.3); color: #00FF87; }
.diff-expert { background: rgba(255,45,120,.1); border: 1px solid rgba(255,45,120,.3); color: #FF2D78; }
.diff-medium { background: rgba(255,209,102,.1); border: 1px solid rgba(255,209,102,.3); color: #FFD166; }

.guide-hero-title {
  font-family: var(--ff-display);
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: .01em;
  max-width: 820px;
  margin-bottom: 20px;
}

.guide-hero-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 20px;
  margin-bottom: 28px;
}
.guide-meta-item {
  display: flex; align-items: center; gap: 7px;
  font-family: var(--ff-mono); font-size: 11px; color: var(--text-muted);
}
.guide-meta-sep { color: var(--border-lit); }

.guide-author {
  display: flex; align-items: center; gap: 10px;
}
.guide-author-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--ff-display); font-size: 14px;
}
.guide-author-name { font-family: var(--ff-accent); font-size: 12px; font-weight: 600; letter-spacing: .06em; color: var(--text); }
.guide-author-role { font-family: var(--ff-mono); font-size: 10px; color: var(--text-dim); }

.guide-hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.action-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 18px;
  font-family: var(--ff-accent); font-size: 11px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  background: rgba(255,255,255,.06); border: 1px solid var(--border-lit);
  color: var(--text-muted); border-radius: 4px; cursor: pointer;
  transition: border-color .2s, color .2s, background .2s;
}
.action-btn:hover { border-color: rgba(255,45,120,.4); color: var(--pink); background: rgba(255,45,120,.06); }
.action-btn.active { border-color: rgba(255,45,120,.4); color: var(--pink); background: rgba(255,45,120,.08); }

/* ============ PAGE LAYOUT ============ */
#guide-body {
  padding: 60px 0 120px;
}
.guide-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}
@media (max-width: 1100px) { .guide-layout { grid-template-columns: 1fr; } }

/* ============ ARTICLE CONTENT ============ */
.guide-article {
  min-width: 0;
}

/* Quick Stats Box */
.quick-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 48px;
  padding: 28px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--pink);
  border-radius: 6px;
}
@media (max-width: 600px) { .quick-stats { grid-template-columns: repeat(2, 1fr); } }

.qs-item {}
.qs-label { font-family: var(--ff-mono); font-size: 10px; letter-spacing: .15em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 4px; }
.qs-value { font-family: var(--ff-display); font-size: 1.6rem; line-height: 1; }
.qs-value.gold { color: var(--gold); }
.qs-value.green { color: var(--green); }
.qs-value.blue { color: var(--blue); }
.qs-value.orange { color: var(--orange); }

/* Typography */
.guide-article h2 {
  font-family: var(--ff-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  letter-spacing: .01em;
  margin: 52px 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  position: relative;
}
.guide-article h2::before {
  content: '';
  position: absolute; bottom: -1px; left: 0;
  width: 48px; height: 2px;
  background: var(--pink);
}
.guide-article h3 {
  font-family: var(--ff-accent);
  font-size: 1.15rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--text);
  margin: 36px 0 14px;
}
.guide-article p {
  font-size: 15px; color: var(--text-muted);
  line-height: 1.8; margin-bottom: 20px;
}
.guide-article p strong { color: var(--text); font-weight: 600; }
.guide-article p a { color: var(--pink); border-bottom: 1px solid rgba(255,45,120,.3); transition: border-color .2s; }
.guide-article p a:hover { border-color: var(--pink); }

/* Step boxes */
.step-box {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 24px;
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: 6px; margin-bottom: 16px;
  transition: border-color .2s;
}
.step-box:hover { border-color: rgba(255,45,120,.2); }
.step-num {
  width: 40px; height: 40px; border-radius: 4px;
  background: linear-gradient(135deg, var(--pink), rgba(255,45,120,.6));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--ff-display); font-size: 1.3rem;
  flex-shrink: 0;
}
.step-content {}
.step-title { font-family: var(--ff-accent); font-size: 15px; font-weight: 700; letter-spacing: .04em; color: var(--text); margin-bottom: 6px; }
.step-desc { font-size: 14px; color: var(--text-muted); line-height: 1.65; }
.step-tip {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 10px; padding: 4px 10px;
  background: rgba(0,212,255,.06); border: 1px solid rgba(0,212,255,.2);
  border-radius: 3px; font-family: var(--ff-mono); font-size: 11px; color: var(--blue);
}

/* Tip / Warning callouts */
.callout {
  padding: 20px 24px;
  border-radius: 6px; margin: 28px 0;
  display: flex; gap: 14px; align-items: flex-start;
}
.callout-pro {
  background: rgba(0,255,135,.05);
  border: 1px solid rgba(0,255,135,.2);
  border-left: 3px solid var(--green);
}
.callout-warn {
  background: rgba(255,107,53,.05);
  border: 1px solid rgba(255,107,53,.2);
  border-left: 3px solid var(--orange);
}
.callout-info {
  background: rgba(0,212,255,.05);
  border: 1px solid rgba(0,212,255,.2);
  border-left: 3px solid var(--blue);
}
.callout-icon { font-size: 20px; flex-shrink: 0; margin-top: 1px; }
.callout-text { font-size: 14px; color: var(--text-muted); line-height: 1.65; }
.callout-text strong { color: var(--text); }

/* Money table */
.money-table {
  width: 100%; border-collapse: collapse;
  margin: 28px 0;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px; overflow: hidden;
  font-size: 14px;
}
.money-table th {
  padding: 12px 16px;
  background: var(--bg-elevated);
  font-family: var(--ff-accent); font-size: 11px; font-weight: 700;
  letter-spacing: .15em; text-transform: uppercase; color: var(--text-muted);
  text-align: left; border-bottom: 1px solid var(--border);
}
.money-table td {
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  color: var(--text-muted); line-height: 1.4;
}
.money-table tr:last-child td { border-bottom: none; }
.money-table tr:hover td { background: rgba(255,255,255,.02); }
.money-table td.gold { color: var(--gold); font-family: var(--ff-mono); font-weight: 500; }
.money-table td.green { color: var(--green); }
.money-table td.red { color: var(--orange); }

/* In-article image */
.guide-image {
  width: 100%; border-radius: 6px; overflow: hidden;
  margin: 32px 0;
  border: 1px solid var(--border);
  position: relative;
}
.guide-image img { width: 100%; display: block; }
.guide-image-caption {
  padding: 10px 16px;
  background: var(--bg-surface);
  font-family: var(--ff-mono); font-size: 11px; color: var(--text-dim);
  border-top: 1px solid var(--border);
}

/* Video embed placeholder */
.guide-video {
  width: 100%; aspect-ratio: 16/9;
  background: var(--bg-surface);
  border: 1px solid var(--border); border-radius: 6px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; margin: 32px 0; cursor: pointer;
  transition: border-color .2s;
}
.guide-video:hover { border-color: rgba(255,45,120,.3); }
.guide-video-play {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--pink); display: flex; align-items: center; justify-content: center;
  font-size: 24px; transition: transform .2s, box-shadow .2s;
}
.guide-video:hover .guide-video-play { transform: scale(1.1); box-shadow: 0 0 24px var(--glow-pink); }
.guide-video-label { font-family: var(--ff-accent); font-size: 12px; font-weight: 600; letter-spacing: .1em; color: var(--text-muted); }

/* Tags */
.guide-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 40px 0; }
.guide-tag {
  padding: 5px 14px;
  background: rgba(255,255,255,.04); border: 1px solid var(--border);
  font-family: var(--ff-accent); font-size: 11px; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim);
  border-radius: 2px; cursor: pointer; transition: .2s;
}
.guide-tag:hover { border-color: var(--pink); color: var(--pink); background: rgba(255,45,120,.06); }

/* Rating */
.guide-rating-box {
  padding: 32px;
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: 6px; margin: 40px 0;
  text-align: center;
}
.rating-title { font-family: var(--ff-accent); font-size: 14px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 16px; }
.rating-stars { display: flex; gap: 8px; justify-content: center; margin-bottom: 16px; }
.rating-star {
  font-size: 28px; cursor: pointer;
  filter: grayscale(1) opacity(.3);
  transition: filter .2s, transform .2s;
}
.rating-star:hover, .rating-star.active { filter: grayscale(0) opacity(1); transform: scale(1.15); }
.rating-count { font-family: var(--ff-mono); font-size: 11px; color: var(--text-dim); }

/* ============ SIDEBAR ============ */
.guide-sidebar {
  display: flex; flex-direction: column; gap: 20px;
  position: sticky; top: 80px;
}

/* Table of contents */
.toc-box {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: 6px; overflow: hidden;
}
.toc-header {
  padding: 14px 20px;
  background: var(--bg-elevated); border-bottom: 1px solid var(--border);
  font-family: var(--ff-accent); font-size: 11px; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase; color: var(--text-muted);
  display: flex; align-items: center; gap: 8px;
}
.toc-list { padding: 12px 0; }
.toc-item {
  display: block; padding: 8px 20px;
  font-family: var(--ff-accent); font-size: 12px; font-weight: 600;
  letter-spacing: .06em; color: var(--text-muted);
  transition: color .2s, background .2s;
  cursor: pointer; border-left: 2px solid transparent;
}
.toc-item:hover { color: var(--text); background: rgba(255,255,255,.03); }
.toc-item.active { color: var(--pink); border-left-color: var(--pink); background: rgba(255,45,120,.04); }
.toc-item-num { font-family: var(--ff-mono); font-size: 10px; color: var(--text-dim); margin-right: 8px; }

/* Guide info box */
.info-box {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: 6px; overflow: hidden;
}
.info-box-header {
  padding: 14px 20px; border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  font-family: var(--ff-accent); font-size: 11px; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase; color: var(--text-muted);
}
.info-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px; border-bottom: 1px solid var(--border);
}
.info-row:last-child { border-bottom: none; }
.info-key { font-family: var(--ff-mono); font-size: 10px; letter-spacing: .1em; color: var(--text-dim); text-transform: uppercase; }
.info-val { font-family: var(--ff-accent); font-size: 13px; font-weight: 600; color: var(--text); }
.info-val.green { color: var(--green); }
.info-val.gold { color: var(--gold); }

/* AI Ask box */
.ai-ask-box {
  background: linear-gradient(135deg, rgba(255,45,120,.06), rgba(139,63,217,.04));
  border: 1px solid rgba(255,45,120,.2);
  border-radius: 6px; padding: 20px;
}
.ai-ask-title { font-family: var(--ff-accent); font-size: 13px; font-weight: 700; letter-spacing: .06em; color: var(--text); margin-bottom: 4px; }
.ai-ask-sub { font-size: 12px; color: var(--text-muted); margin-bottom: 14px; line-height: 1.5; }
.ai-input-wrap { position: relative; }
.ai-input {
  width: 100%; background: rgba(255,255,255,.05); border: 1px solid var(--border-lit);
  border-radius: 4px; padding: 10px 44px 10px 12px;
  font-family: var(--ff-body); font-size: 13px; color: var(--text); outline: none;
  transition: border-color .2s;
}
.ai-input::placeholder { color: var(--text-dim); }
.ai-input:focus { border-color: rgba(255,45,120,.4); }
.ai-send {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  width: 28px; height: 28px; border-radius: 4px;
  background: var(--pink); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; color: #fff;
  transition: opacity .2s;
}
.ai-send:hover { opacity: .8; }

.sb-cta { background: linear-gradient(135deg, rgba(255,45,120,.06), rgba(139,63,217,.04)); border: 1px solid rgba(255,45,120,.2); border-radius: 6px; padding: 22px; text-align: center; }
.sb-cta-icon { font-size: 26px; margin-bottom: 10px; }
.sb-cta-title { font-family: var(--ff-accent); font-size: 14px; font-weight: 700; margin-bottom: 6px; }
.sb-cta-sub { font-size: 12px; color: var(--text-muted); margin-bottom: 16px; line-height: 1.5; }

/* Related guides */
.related-box {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: 6px; overflow: hidden;
}
.related-header {
  padding: 14px 20px; border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  font-family: var(--ff-accent); font-size: 11px; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase; color: var(--text-muted);
}
.related-item {
  display: flex; gap: 12px; padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  cursor: pointer; transition: background .2s;
}
.related-item:last-child { border-bottom: none; }
.related-item:hover { background: rgba(255,255,255,.02); }
.related-img {
  width: 56px; height: 40px; border-radius: 3px; overflow: hidden; flex-shrink: 0;
}
.related-img img { width: 100%; height: 100%; object-fit: cover; }
.related-title { font-family: var(--ff-accent); font-size: 12px; font-weight: 600; letter-spacing: .03em; line-height: 1.35; color: var(--text); transition: color .2s; }
.related-item:hover .related-title { color: var(--pink); }
.related-meta { font-family: var(--ff-mono); font-size: 10px; color: var(--text-dim); margin-top: 4px; }

/* ============ NEXT / PREV NAVIGATION ============ */
.guide-nav {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin-top: 64px; padding-top: 40px;
  border-top: 1px solid var(--border);
}
@media (max-width: 600px) { .guide-nav { grid-template-columns: 1fr; } }
.guide-nav-card {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: 6px; padding: 20px;
  cursor: pointer; transition: border-color .3s, box-shadow .3s;
  display: flex; flex-direction: column;
}
.guide-nav-card:hover { border-color: rgba(255,45,120,.3); box-shadow: 0 8px 32px rgba(0,0,0,.4); }
.guide-nav-dir { font-family: var(--ff-mono); font-size: 10px; letter-spacing: .15em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 8px; }
.guide-nav-card.next .guide-nav-dir { text-align: right; }
.guide-nav-title { font-family: var(--ff-accent); font-size: 14px; font-weight: 700; letter-spacing: .04em; line-height: 1.4; color: var(--text); transition: color .2s; }
.guide-nav-card:hover .guide-nav-title { color: var(--pink); }
.guide-nav-card.next .guide-nav-title { text-align: right; }

/* ============ FOOTER ============ */
footer { border-top: 1px solid var(--border); padding: 32px 0 24px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-copyright { font-size: 12px; color: var(--text-dim); }
.footer-links-row { display: flex; gap: 20px; }
.footer-links-row a { font-size: 12px; color: var(--text-dim); transition: color .2s; }
.footer-links-row a:hover { color: var(--text-muted); }

/* ============ ANIMATIONS ============ */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }