/* ==========================================================================
   KNOLECT — INTERACTIVE SIMULATOR STYLESHEET
   Refined YouTube Simulation + Serene Forest Green & Ivory Study Space
   ========================================================================== */

.sim-container {
  background: #0D1412;
  border: 1px solid rgba(176, 138, 79, 0.25);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px -15px rgba(10, 31, 26, 0.7);
  font-family: var(--font-sans);
  color: var(--color-ivory);
  position: relative;
}

/* Simulator Top Bar */
.sim-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: #09100E;
  border-bottom: 1px solid rgba(120, 148, 127, 0.15);
  gap: 16px;
}

.sim-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.sim-yt-icon {
  width: 24px;
  height: 18px;
  background: #E53935;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: #ffffff;
}

.sim-yt-text {
  font-weight: 700;
}

.sim-search-bar {
  flex: 1;
  max-width: 440px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #121C18;
  border: 1px solid rgba(120, 148, 127, 0.2);
  border-radius: 20px;
  padding: 7px 16px;
  font-size: 0.82rem;
  color: var(--color-sage-light);
}

.sim-search-icon {
  font-size: 0.85rem;
  opacity: 0.7;
}

.sim-user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-emerald);
  border: 1px solid var(--color-gold-border);
}

/* Simulator Main Workspace */
.sim-body {
  display: grid;
  grid-template-columns: 200px 1fr;
  min-height: 440px;
  background: #0D1412;
}

/* Sidebar */
.sim-sidebar {
  padding: 16px 12px;
  border-right: 1px solid rgba(120, 148, 127, 0.12);
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: #09100E;
}

.sim-nav-item {
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-sage-light);
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: default;
  transition: all 0.15s;
}

.sim-nav-item.active {
  background: rgba(24, 88, 68, 0.25);
  color: var(--color-ivory);
  font-weight: 600;
}

.sim-divider {
  height: 1px;
  background: rgba(120, 148, 127, 0.12);
  margin: 10px 0;
}

/* Main Feed */
.sim-main {
  padding: 24px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Distraction State (Focus Mode OFF) */
.sim-distraction-feed {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sim-chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.sim-chip {
  padding: 5px 12px;
  background: #141F1B;
  border: 1px solid rgba(120, 148, 127, 0.15);
  border-radius: 16px;
  font-size: 0.76rem;
  color: var(--color-sage-light);
  white-space: nowrap;
}

.sim-chip.active {
  background: var(--color-ivory);
  color: var(--color-forest);
  font-weight: 600;
}

.sim-video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.sim-video-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sim-thumb {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  background: #182622;
  border: 1px solid rgba(120, 148, 127, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: #F87171;
  line-height: 1.35;
}

.thumb-gaming {
  background: linear-gradient(135deg, #1C2B26 0%, #172420 100%);
  color: #FCA5A5;
}

.thumb-clickbait {
  background: linear-gradient(135deg, #2A2020 0%, #1F1717 100%);
  color: #F87171;
}

.thumb-shorts {
  background: linear-gradient(135deg, #24241B 0%, #1A1A14 100%);
  color: #FBBF24;
}

.sim-video-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sim-author {
  font-size: 0.72rem;
  color: var(--color-sage);
}

/* Focused State: Clean Knolect Learning Space (Focus Mode ON) */
.sim-focus-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 360px;
  animation: simFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes simFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.sim-knolect-card {
  background: radial-gradient(circle at 50% 0%, #164035 0%, #102F27 100%);
  border: 1px solid var(--color-gold-border);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  text-align: center;
  max-width: 580px;
  width: 100%;
  box-shadow: 0 12px 36px rgba(10, 31, 26, 0.6), 0 0 30px rgba(176, 138, 79, 0.12);
}

.sim-knolect-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(176, 138, 79, 0.14);
  border: 1px solid var(--color-gold-border);
  color: var(--color-gold-light);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}

.sim-knolect-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-ivory);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.sim-knolect-desc {
  font-size: 0.9rem;
  color: #C8D6CC;
  margin-bottom: 20px;
}

.sim-knolect-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.96rem;
  color: var(--color-ivory);
  background: rgba(10, 31, 26, 0.4);
  border-left: 2px solid var(--color-gold);
  padding: 12px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 24px;
  line-height: 1.5;
  text-align: left;
}

.sim-knolect-whitelisted {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.sim-wl-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-sage-light);
  font-weight: 600;
}

.sim-wl-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.sim-wl-chip {
  background: var(--color-emerald);
  border: 1px solid var(--color-gold-border);
  color: var(--color-ivory);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  transition: all 0.15s ease;
}

.sim-wl-chip:hover {
  background: var(--color-emerald-hover);
  border-color: var(--color-gold);
  color: #ffffff;
}

.hidden {
  display: none !important;
}

@media (max-width: 768px) {
  .sim-body {
    grid-template-columns: 1fr;
  }
  .sim-sidebar {
    display: none;
  }
  .sim-video-grid {
    grid-template-columns: 1fr;
  }
  .sim-knolect-card {
    padding: 24px 18px;
  }
  .sim-knolect-title {
    font-size: 1.4rem;
  }
}

@media (max-width: 480px) {
  .sim-topbar {
    padding: 10px 12px;
    gap: 8px;
  }
  .sim-search-bar {
    padding: 5px 10px;
    font-size: 0.75rem;
    min-width: 0;
  }
  .sim-logo {
    font-size: 0.85rem;
    gap: 6px;
  }
  .sim-yt-icon {
    width: 20px;
    height: 15px;
    font-size: 8px;
  }
  .sim-knolect-card {
    padding: 20px 14px;
  }
  .sim-knolect-title {
    font-size: 1.25rem;
  }
  .sim-knolect-quote {
    padding: 10px 14px;
    font-size: 0.82rem;
  }
}

@media (max-width: 360px) {
  .sim-topbar {
    padding: 8px 10px;
    gap: 6px;
  }
  .sim-search-bar {
    padding: 4px 8px;
    font-size: 0.7rem;
    min-width: 0;
  }
  .sim-logo {
    font-size: 0.78rem;
    gap: 4px;
  }
  .sim-main {
    padding: 16px 12px;
  }
  .sim-knolect-card {
    padding: 18px 12px;
  }
  .sim-knolect-title {
    font-size: 1.15rem;
  }
  .sim-knolect-desc {
    font-size: 0.82rem;
  }
  .sim-wl-chip {
    font-size: 0.72rem;
    padding: 4px 8px;
  }
}