/* ═════════════════════════════════════════════════════════════════
   Dragon OS Design Language — Knowledgebase Customization
   ═════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;900&family=Rajdhani:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&family=Inter:wght@300;400;500;600;700&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --dragon-bg: #000000;
  --dragon-surface: rgba(15, 15, 25, 0.7);
  --dragon-surface-hover: rgba(22, 22, 38, 0.95);
  --dragon-border: rgba(123, 104, 238, 0.18);
  --dragon-border-subtle: rgba(255, 255, 255, 0.06);
  --accent: #7b68ee;
  --accent-dim: rgba(123, 104, 238, 0.12);
  --accent-glow: rgba(123, 104, 238, 0.4);
  --status-green: #10B981;
  --status-amber: #F59E0B;
  --status-blue: #3B82F6;
  --text-primary: rgba(255, 255, 255, 0.92);
  --text-secondary: rgba(255, 255, 255, 0.65);
  --text-dim: rgba(255, 255, 255, 0.35);
  --font-header: 'Orbitron', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --font-reading: 'Inter', sans-serif;
}

body.dragon-os {
  background-color: var(--dragon-bg) !important;
  font-family: var(--font-body); 
  color: var(--text-primary) !important;
  margin: 0; padding: 0; border: 0; outline: none;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ══════════════════════════════ SHELL ══════════════════════════════ */
.dl-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ══════════════════════════════ HERO ══════════════════════════════ */
.dl-hero {
  position: relative; z-index: 1; flex-shrink: 0;
  min-height: 50vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 80px 24px 60px; overflow: hidden;
}
.dl-hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0.3; z-index: 0; pointer-events: none;
}
.dl-hero-overlay {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.2) 40%, rgba(0,0,0,0.2) 55%, rgba(0,0,0,0.6) 80%, rgba(0,0,0,0.98) 100%);
}
.dl-hero-content {
  position: relative; z-index: 1;
  display: flex; flex-direction: column;
  align-items: center; text-align: center; max-width: 720px;
  width: 100%;
}
.dl-hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 14px; border-radius: 20px; margin-bottom: 24px;
  background: var(--accent-dim); border: 1px solid rgba(123,104,238,0.25);
  font-family: var(--font-header); font-size: 11px; letter-spacing: 2px; color: var(--accent); font-weight: 700;
  text-shadow: 0 0 8px var(--accent-glow);
}
.dl-cta-led {
  width: 6px; height: 6px; border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  display: inline-block;
  animation: blink 2s infinite;
}
@keyframes blink {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.dl-hero-title { display: flex; flex-direction: column; margin-bottom: 20px; }
.dl-hero-line-1 { font-family: var(--font-header); font-size: 20px; letter-spacing: 6px; color: var(--text-dim); font-weight: 500; }
.dl-hero-line-2 {
  font-family: var(--font-header); font-size: 56px; letter-spacing: 3px; font-weight: 900; line-height: 1.1;
  background: linear-gradient(135deg, var(--text-primary), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.dl-hero-sub { font-family: var(--font-body); font-size: 20px; line-height: 1.6; color: var(--text-secondary); max-width: 520px; margin-bottom: 24px; }

/* ══════════════════════════════ SEARCH BAR ══════════════════════════════ */
.dl-search-container {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  position: relative;
}
.dl-search-input {
  width: 100%;
  background: rgba(10, 10, 18, 0.8);
  border: 1px solid var(--dragon-border);
  border-radius: 6px;
  padding: 16px 50px 16px 20px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
.dl-search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 15px var(--accent-glow), 0 4px 20px rgba(0,0,0,0.5);
}
.dl-search-icon {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 18px;
  pointer-events: none;
  font-family: var(--font-mono);
}

/* ══════════════════════════════ GRID / TILES ══════════════════════════════ */
.dl-section { padding: 40px 24px 80px; position: relative; z-index: 2; width: 100%; }
.dl-section-header { text-align: center; margin-bottom: 40px; }
.dl-sh-tag {
  display: inline-block; font-family: var(--font-header); font-size: 11px;
  letter-spacing: 3px; color: var(--accent); font-weight: 700; margin-bottom: 12px;
}
.dl-sh-title {
  font-family: var(--font-header); font-size: 32px;
  letter-spacing: 1px; color: var(--text-primary); font-weight: 800;
}

.dl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.dl-card {
  background: rgba(8, 8, 14, 0.75);
  border: 1px solid var(--dragon-border);
  border-radius: 8px;
  padding: 24px;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none !important;
}
.dl-card:hover {
  background: var(--dragon-surface-hover);
  border-color: var(--accent);
  box-shadow: 0 12px 30px rgba(0,0,0,0.6), 0 0 15px rgba(123,104,238,0.25);
  transform: translateY(-4px);
}
.dl-card-icon {
  width: 44px; height: 44px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-dim); color: var(--accent);
  border: 1px solid rgba(123,104,238,0.2);
  margin-bottom: 18px; font-family: var(--font-mono); font-size: 14px; font-weight: 700;
}
.dl-card-title {
  font-family: var(--font-header); font-size: 18px;
  color: var(--text-primary); font-weight: 700; margin: 0 0 10px 0;
  letter-spacing: 0.5px;
}
.dl-card-desc {
  font-family: var(--font-body); font-size: 15px; line-height: 1.5;
  color: var(--text-secondary); margin: 0; flex-grow: 1;
}

.dl-card-features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.dl-card-features li {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.4;
  color: var(--text-secondary);
  position: relative;
  padding-left: 14px;
}
.dl-card-features li::before {
  content: "»";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 13px;
}

.dl-card-btn {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--accent), rgba(139, 92, 246, 0.9));
  border: none;
  border-radius: 4px;
  color: #ffffff !important;
  font-family: var(--font-header);
  font-size: 11px;
  letter-spacing: 2px;
  font-weight: 700;
  text-decoration: none !important;
  text-transform: uppercase;
  transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
  box-shadow: 0 4px 12px rgba(123, 104, 238, 0.2);
  cursor: pointer;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.dl-card-btn::after {
  content: " //";
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--font-mono);
  font-size: 11px;
}
.dl-card-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
  background: linear-gradient(135deg, #8b5cf6, var(--accent));
}
.dl-card-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px var(--accent-glow);
}

/* ══════════════════════════════ ACCORDION / FAQS ══════════════════════════════ */
.dl-faq-container {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.dl-faq-item {
  background: rgba(10, 10, 18, 0.6);
  border: 1px solid var(--dragon-border);
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.dl-faq-item[open] {
  background: rgba(18, 18, 30, 0.95);
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(123, 104, 238, 0.15);
}
.dl-faq-item summary {
  padding: 16px 20px;
  font-family: var(--font-header);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none !important;
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  user-select: none;
  outline: none !important;
}
.dl-faq-item summary::-webkit-details-marker { display: none !important; }
.dl-faq-item summary::marker { display: none !important; content: "" !important; }
.dl-faq-item summary::after {
  content: "+";
  font-size: 18px;
  color: var(--accent);
  font-family: var(--font-mono);
  transition: transform 0.2s ease;
}
.dl-faq-item[open] summary::after {
  content: "−";
}
.dl-faq-content {
  padding: 16px 20px 20px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
  border-top: 1px solid var(--dragon-border-subtle);
  animation: fadeIn 0.3s ease-out;
}

/* ══════════════════════════════ SPLIT ARTICLE LAYOUT ══════════════════════════════ */
.dl-article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}
@media (min-width: 992px) {
  .dl-article-layout {
    grid-template-columns: 2.5fr 1fr;
  }
}
.dl-article-body {
  background: rgba(8, 8, 14, 0.6);
  border: 1px solid var(--dragon-border-subtle);
  border-radius: 8px;
  padding: 30px;
  font-family: var(--font-reading);
}
.dl-article-body h3 {
  font-family: var(--font-header);
  font-size: 20px;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  border-left: 3px solid var(--accent);
  padding-left: 12px;
  margin: 30px 0 15px;
}
.dl-article-body h3:first-of-type {
  margin-top: 0;
}
.dl-article-body p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

/* ══════════════════════════════ SIDEBAR ══════════════════════════════ */
.dl-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.dl-widget {
  background: rgba(10, 10, 18, 0.8);
  border: 1px solid var(--dragon-border);
  border-radius: 8px;
  padding: 20px;
}
.dl-widget-title {
  font-family: var(--font-header);
  font-size: 14px;
  letter-spacing: 1px;
  color: var(--text-primary);
  margin: 0 0 14px 0;
  text-transform: uppercase;
  border-bottom: 1px solid var(--dragon-border-subtle);
  padding-bottom: 8px;
}
.dl-widget-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.dl-widget-link {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  border-radius: 4px;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}
.dl-widget-link:hover {
  background: var(--accent-dim);
  border-color: rgba(123, 104, 238, 0.15);
  color: var(--accent);
  padding-left: 12px;
}
.dl-widget-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}

/* ══════════════════════════════ FOOTER BANNER ══════════════════════════════ */
.dl-banner {
  max-width: 1200px;
  margin: 40px auto 0;
  width: 100%;
  background: linear-gradient(135deg, rgba(20, 20, 35, 0.6) 0%, rgba(8, 8, 14, 0.8) 100%);
  border: 1px solid var(--dragon-border);
  border-radius: 8px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
  text-align: center;
}
@media (min-width: 768px) {
  .dl-banner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    padding: 30px 40px;
  }
}
.dl-banner-text h4 {
  font-family: var(--font-header);
  font-size: 18px;
  color: var(--text-primary);
  margin: 0 0 6px 0;
}
.dl-banner-text p {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-secondary);
  margin: 0;
}
.dl-btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 4px;
  font-family: var(--font-header);
  font-size: 12px;
  letter-spacing: 2px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
}
.dl-btn-cta.primary {
  background: linear-gradient(135deg, var(--accent), rgba(139,92,246,0.9));
  border: none; color: #fff; box-shadow: 0 4px 15px rgba(123,104,238,0.25);
}
.dl-btn-cta.primary:hover {
  transform: translateY(-2px); box-shadow: 0 6px 20px rgba(123,104,238,0.35); color: #fff;
}
.dl-btn-cta.secondary {
  background: transparent; border: 1px solid rgba(255,255,255,0.2); color: var(--text-primary);
}
.dl-btn-cta.secondary:hover {
  background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.4); transform: translateY(-2px);
}

/* ══════════════════════════════ UTILITIES ══════════════════════════════ */
.dl-back-bar {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: 0 24px;
}
.dl-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-header);
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.dl-back-link:hover {
  color: var(--accent);
}

.dl-paginator {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
  list-style: none;
  padding: 0;
}
.dl-paginator-item a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 8px;
  border-radius: 4px;
  border: 1px solid var(--dragon-border-subtle);
  background: rgba(10, 10, 18, 0.6);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 13px;
  text-decoration: none;
  transition: all 0.2s;
}
.dl-paginator-item.active a {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
  box-shadow: 0 0 8px rgba(123, 104, 238, 0.15);
}
.dl-paginator-item a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ══════════════════════════════ ANIMATION ══════════════════════════════ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.dl-fade-in {
  animation: fadeIn 0.4s ease-out forwards;
}