/* =============================================================================
   VVOS INTERACTIVE SIMULATION STYLES - ITERATION 2 (Void Matrix)
   ========================================================================== */

:root {
  --top-bar-h: 35px;
  --activity-bar-w: 48px;
  --side-bar-w: 340px;

  /* Restored softer BigFatDev Aesthetic (vsix void matrix was too harsh) */
  /* Making backgrounds semi-transparent to reveal the Cyber Mother */
  --vvos-bg: rgba(13, 24, 16, 0.6);      /* surface */
  --vvos-panel-bg: rgba(8, 14, 10, 0.7); /* deep */
  --vvos-border: rgba(82, 183, 136, 0.15);
  --vvos-accent: var(--green-400);
  --vvos-text: var(--text-bright);
  --vvos-muted: var(--text-muted);
  --vvos-hover: rgba(82, 183, 136, 0.08);
  --vvos-gold: var(--gold-bright);
  
  --font-mono: 'JetBrains Mono', monospace;
  --font-sans: 'Space Grotesk', sans-serif;
}

body.vvos-sim {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

#main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.offering-band {
  padding: 0 !important;
  width: 100%;
}

/* 1. TOP MENU BAR */
.sim-top-bar { display: none; }

/* 2. MAIN WORKBENCH */
.sim-workbench {
  display: flex;
  flex: 1;
  /* Height is now inherited from global .term-card */
  overflow: hidden;
  background: var(--vvos-bg);
  position: relative;
}
.sim-workbench::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../assets/the_mother_awaking_clean.jpg') no-repeat center center;
  background-size: cover;
  opacity: 0.25; /* Stronger now since panels darken it */
  z-index: 0;
  pointer-events: none;
}
.sim-workbench > * {
  z-index: 1; /* Keep panels above the background */
}

/* ACTIVITY BAR */
.sim-activity-bar {
  width: var(--activity-bar-w);
  background: var(--vvos-panel-bg);
  border-right: 1px solid var(--vvos-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px;
}
.act-btn {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  color: var(--vvos-muted);
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
}
.act-btn:hover { color: var(--vvos-text); }
.act-btn.active { color: var(--vvos-accent); }
.act-btn.active::before {
  content: '';
  position: absolute; right: 0; top: 0; bottom: 0;
  width: 2px; background: var(--vvos-accent);
}

/* SIDE BAR */
.sim-side-bar {
  width: var(--side-bar-w);
  background: var(--vvos-bg);
  border-right: 1px solid var(--vvos-border);
  display: none;
  flex-direction: column;
}
.sim-side-bar.open { display: flex; }

.sim-side-header {
  padding: 10px 15px;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--vvos-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
}

.sim-panel-content {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}
.sim-panel-content::-webkit-scrollbar { width: 8px; }
.sim-panel-content::-webkit-scrollbar-thumb { background: var(--vvos-border); border-radius: 4px; }



/* Explorer Tree */
.tree-item {
  display: flex;
  align-items: center;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--vvos-text);
  font-family: var(--font-mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tree-item:hover { background: var(--vvos-hover); color: var(--vvos-accent); }
.tree-item.clickable:hover { color: var(--vvos-accent); }
.tree-item.special { color: var(--vvos-gold); }
.tree-item.static { color: var(--vvos-muted); cursor: default; }
.tree-item.static:hover { background: transparent; color: var(--vvos-muted); }

.chevron {
  font-size: 0.7rem;
  margin-right: 6px;
  color: var(--vvos-muted);
  display: inline-block;
  transition: transform 0.2s;
}
.chevron.down { transform: rotate(90deg); }

.tree-indent {
  margin-left: 12px;
  border-left: 1px solid var(--vvos-border);
  display: none;
}
.tree-indent.open { display: block; }

/* VVOS Panel Buttons */
.vvos-btn {
  display: block; width: calc(100% - 20px);
  text-align: left; background: transparent;
  border: 1px solid var(--vvos-border);
  color: var(--vvos-text);
  padding: 8px 12px; margin: 0 10px 8px 10px;
  border-radius: 2px; cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: all 0.2s;
}
.vvos-btn:hover { border-color: var(--vvos-accent); color: var(--vvos-accent); }
.vvos-btn.active { border-color: var(--vvos-accent); background: var(--vvos-hover); }

/* 3. EDITOR & TERMINAL SPLIT */
.sim-main-split {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--vvos-bg);
  position: relative;
}

/* Editor Pane */
.sim-editor {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  min-height: 0;
}

.sim-empty-logo {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  pointer-events: none; opacity: 1; z-index: 0;
}
.sim-empty-logo img { width: 300px; opacity: 0.1; }

.sim-tabs {
  display: none;
  background: var(--vvos-panel-bg);
  height: var(--top-bar-h);
  border-bottom: 1px solid var(--vvos-border);
}
.sim-editor.has-content .sim-tabs { display: flex; }
.sim-tab {
  background: var(--vvos-bg);
  color: var(--vvos-accent);
  padding: 0 20px;
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 0.8rem;
  border-top: 2px solid var(--vvos-accent);
  border-right: 1px solid var(--vvos-border);
}
.sim-tab-close {
  cursor: pointer; color: var(--vvos-muted);
}
.sim-tab-close:hover { color: #ff7b93; }

.sim-content {
  flex: 1; overflow-y: auto; overflow-x: auto; overflow-wrap: break-word; word-break: break-word; padding: 40px; display: none;
}

/* Custom Scrollbar for Simulator */
.sim-content::-webkit-scrollbar {
  width: 10px;
}
.sim-content::-webkit-scrollbar-track {
  background: var(--vvos-bg);
  border-left: 1px solid var(--vvos-border);
}
.sim-content::-webkit-scrollbar-thumb {
  background: var(--vvos-scroll-thumb, rgba(82, 183, 136, 0.2));
  border-radius: 5px;
}
.sim-content::-webkit-scrollbar-thumb:hover {
  background: var(--vvos-scroll-thumb-hover, rgba(82, 183, 136, 0.4));
}

.sim-editor.has-content .sim-content { display: block; }

/* Markdown View */
.sim-md-view { max-width: 800px; margin: 0 auto; position: relative; z-index: 10; overflow-wrap: break-word; word-wrap: break-word; word-break: break-word; }
.sim-md-view h1 { color: var(--vvos-accent); font-family: var(--font-mono); font-size: 1.8rem; border-bottom: 1px solid var(--vvos-border); padding-bottom: 10px; margin-bottom: 1.5rem; }
.sim-md-view h2 { color: var(--text-bright); text-shadow: 0 1px 4px rgba(0,0,0,0.9); font-size: 1.4rem; margin-top: 2rem; margin-bottom: 1rem; }
.sim-md-view p { color: var(--text-secondary); text-shadow: 0 1px 4px rgba(0, 0, 0, 0.9), 0 0 10px rgba(0, 0, 0, 0.6); font-size: 1.05rem; line-height: 1.8; margin-bottom: 1.5em; font-weight: 300; }
.sim-md-view b, .sim-md-view strong { color: var(--text-bright); font-weight: 600; text-shadow: 0 0 8px rgba(255,255,255,0.3), 0 1px 4px rgba(0,0,0,0.9); }
.sim-md-view .term-block { background: var(--vvos-panel-bg); border: 1px solid var(--vvos-border); padding: 15px; font-family: var(--font-mono); color: var(--vvos-accent); margin: 15px 0; overflow-x: auto; white-space: pre-wrap; word-wrap: break-word; }

/* Bottom Panel (Terminal) */
.sim-bottom-panel {
  height: 350px;
  border-top: 1px solid var(--vvos-border);
  display: none; /* Hidden until opened */
  flex-direction: column;
  background: var(--vvos-panel-bg);
  position: relative;
}
.sim-bottom-panel.open { display: flex; }

.sim-panel-tabs {
  height: var(--top-bar-h);
  display: flex; align-items: center;
  border-bottom: 1px solid var(--vvos-border);
  padding: 0 10px;
  justify-content: space-between;
}
.sim-panel-title { font-family: var(--font-mono); font-size: 0.8rem; color: var(--vvos-text); text-transform: uppercase; }
.sim-panel-close { cursor: pointer; color: var(--vvos-muted); font-family: var(--font-sans); }
.sim-panel-close:hover { color: #ff7b93; }

.course-terminal-bg {
  position: absolute; inset: 0; top: var(--top-bar-h);
  /* Background moved to sim-workbench */
  z-index: 0; pointer-events: none;
}
.course-terminal-text {
  position: relative; z-index: 1; padding: 20px;
  font-family: var(--font-mono); color: var(--vvos-accent); font-size: 1.05rem; line-height: 1.6;
}
.flicker { animation: slight-flicker 3s infinite; }
@keyframes slight-flicker { 0%, 98%, 100% { opacity: 1; } 99% { opacity: 0.5; } }



/* Tooltip */
.sim-tooltip {
  position: absolute; left: 60px; top: 10px;
  background: var(--vvos-bg); color: var(--vvos-text);
  padding: 10px; border: 1px solid var(--vvos-border);
  font-family: var(--font-mono); font-size: 0.8rem;
  pointer-events: none; opacity: 0; transform: translateX(-5px);
  transition: all 0.2s; z-index: 100; white-space: pre-line;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}
.act-btn:hover .sim-tooltip { opacity: 1; transform: translateX(0); }

/* =============================================================================
   MOBILE RESPONSIVENESS
   ========================================================================== */
@media (max-width: 850px) {
  #main {
    padding: 0;
  }
  
  .sim-side-bar {
    position: absolute;
    left: var(--activity-bar-w);
    top: 0;
    bottom: 0;
    z-index: 50;
    width: calc(100% - var(--activity-bar-w));
    max-width: 320px;
    box-shadow: 10px 0 30px rgba(0,0,0,0.8);
    border-right: 1px solid var(--vvos-accent);
  }

  .sim-content {
    padding: 20px 15px;
  }

  .sim-md-view h1 {
    font-size: 1.4rem;
  }

  .sim-md-view h2 {
    font-size: 1.2rem;
  }

  .sim-md-view p {
    font-size: 0.95rem;
  }

  .course-terminal-text {
    font-size: 0.9rem;
    padding: 15px;
  }
}