/* ============================================================
   HACKER SIMULATOR // MAIN STYLESHEET
   Themes: Matrix Green, Cyberpunk Neon, Amber Phosphor, Obsidian
   ============================================================ */

:root {
  --bg-primary: #0a0e14;
  --bg-secondary: #0d1219;
  --bg-tertiary: #141c26;
  --bg-card: rgba(16, 24, 34, 0.85);
  --border-color: #1e2c3d;
  --border-focus: #00ff66;
  --text-main: #c0caf5;
  --text-dim: #565f89;
  --text-accent: #00ff66;
  --text-warning: #ff9e3b;
  --text-danger: #f7768e;
  --text-info: #7aa2f7;
  --font-mono: 'Fira Code', 'Share Tech Mono', monospace;
  --glow-color: rgba(0, 255, 102, 0.4);
  --header-height: 48px;
}

/* Theme: Matrix (Default) */
body.theme-matrix {
  --bg-primary: #040804;
  --bg-secondary: #081008;
  --bg-tertiary: #0c1a0c;
  --bg-card: rgba(8, 18, 8, 0.88);
  --border-color: #1a381a;
  --border-focus: #00ff66;
  --text-main: #33ff77;
  --text-dim: #1f6633;
  --text-accent: #00ff66;
  --text-warning: #eedd44;
  --text-danger: #ff4444;
  --text-info: #22ddff;
  --glow-color: rgba(0, 255, 102, 0.35);
}

/* Theme: Amber Phosphor */
body.theme-amber {
  --bg-primary: #0c0802;
  --bg-secondary: #160f04;
  --bg-tertiary: #221808;
  --bg-card: rgba(22, 15, 4, 0.9);
  --border-color: #443010;
  --border-focus: #ffb000;
  --text-main: #ffb000;
  --text-dim: #885c00;
  --text-accent: #ffd040;
  --text-warning: #ff7700;
  --text-danger: #ff3333;
  --text-info: #ffdd88;
  --glow-color: rgba(255, 176, 0, 0.35);
}

/* Theme: Cyberpunk Neon Cyan/Magenta */
body.theme-cyber {
  --bg-primary: #070913;
  --bg-secondary: #0d1124;
  --bg-tertiary: #151a36;
  --bg-card: rgba(13, 17, 36, 0.9);
  --border-color: #273060;
  --border-focus: #00f0ff;
  --text-main: #00f0ff;
  --text-dim: #44568e;
  --text-accent: #ff007f;
  --text-warning: #ffe600;
  --text-danger: #ff2a6d;
  --text-info: #7000ff;
  --glow-color: rgba(0, 240, 255, 0.4);
}

/* Theme: Obsidian Dark Modern */
body.theme-obsidian {
  --bg-primary: #090a0f;
  --bg-secondary: #11131c;
  --bg-tertiary: #191c2b;
  --bg-card: rgba(17, 19, 28, 0.92);
  --border-color: #2a2f47;
  --border-focus: #61afef;
  --text-main: #abb2bf;
  --text-dim: #5c6370;
  --text-accent: #98c379;
  --text-warning: #e5c07b;
  --text-danger: #e06c75;
  --text-info: #61afef;
  --glow-color: rgba(97, 175, 239, 0.3);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-mono);
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-size: 13px;
  line-height: 1.45;
  user-select: none;
}

/* CRT Scanline & Phosphor Flicker Effect */
.crt-overlay::before {
  content: " ";
  display: block;
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
  z-index: 9999;
  background-size: 100% 3px, 6px 100%;
  pointer-events: none;
  opacity: 0.65;
}

.crt-overlay::after {
  content: " ";
  display: block;
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
  background: rgba(18, 16, 16, 0.1);
  opacity: 0;
  z-index: 9998;
  pointer-events: none;
  animation: crtFlicker 0.12s infinite;
}

@keyframes crtFlicker {
  0% { opacity: 0.02; }
  50% { opacity: 0.05; }
  100% { opacity: 0.02; }
}

/* Top Navigation Bar */
#top-bar {
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  z-index: 100;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  letter-spacing: 1px;
}

.pulse-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-accent);
  box-shadow: 0 0 10px var(--text-accent);
  animation: pulse 1.5s infinite ease-in-out;
}

@keyframes pulse {
  0%, 100% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.2); opacity: 1; }
}

.version {
  font-size: 10px;
  color: var(--text-dim);
  font-weight: 400;
}

.status-metrics {
  display: flex;
  align-items: center;
  gap: 20px;
}

.metric {
  display: flex;
  align-items: center;
  gap: 6px;
}

.metric-label {
  color: var(--text-dim);
  font-size: 11px;
}

.metric-value {
  font-weight: 600;
}

.badge-root {
  background: rgba(255, 68, 68, 0.2);
  border: 1px solid var(--text-danger);
  color: var(--text-danger);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 11px;
}

.badge-user {
  background: rgba(122, 162, 247, 0.2);
  border: 1px solid var(--text-info);
  color: var(--text-info);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 11px;
}

.trace-bar-container {
  width: 120px;
  height: 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.trace-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--text-accent), var(--text-warning), var(--text-danger));
  transition: width 0.3s ease;
}

.top-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

button {
  font-family: var(--font-mono);
  background: var(--bg-tertiary);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  padding: 4px 8px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.2s ease;
}

button:hover {
  background: var(--border-color);
  border-color: var(--border-focus);
  box-shadow: 0 0 6px var(--glow-color);
}

.btn-icon {
  font-size: 13px;
  padding: 4px 6px;
}

.btn-action {
  background: rgba(0, 255, 102, 0.15);
  border-color: var(--text-accent);
  color: var(--text-accent);
  font-weight: 600;
}

.btn-danger {
  background: rgba(255, 68, 68, 0.15);
  border-color: var(--text-danger);
  color: var(--text-danger);
}

/* Main Layout Grid */
#workspace {
  display: grid;
  grid-template-columns: 55% 45%;
  height: calc(100vh - var(--header-height));
  width: 100vw;
  background: var(--bg-primary);
  overflow: hidden;
}

#right-column {
  display: grid;
  grid-template-rows: 50% 50%;
  height: 100%;
  border-left: 1px solid var(--border-color);
  overflow: hidden;
}

.panel {
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.panel-header {
  height: 32px;
  min-height: 32px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.tab-badge {
  background: var(--border-color);
  color: var(--text-accent);
  padding: 2px 6px;
  border-radius: 2px;
  font-size: 10px;
  margin-right: 6px;
}

.panel-tools {
  display: flex;
  gap: 6px;
}

.btn-tool {
  font-size: 10px;
  padding: 2px 6px;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.2s ease;
}

.modal-backdrop.hidden {
  display: none;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-focus);
  box-shadow: 0 0 20px var(--glow-color);
  width: 600px;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  border-radius: 4px;
}

.modal-header {
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  padding: 8px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--text-accent);
}

.btn-close {
  background: transparent;
  border: none;
  font-size: 18px;
  line-height: 1;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0 4px;
}

.btn-close:hover {
  color: var(--text-danger);
  border: none;
  box-shadow: none;
}

.modal-content {
  padding: 16px;
  overflow-y: auto;
  user-select: text;
}

.modal-footer {
  padding: 8px 12px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  background: var(--bg-secondary);
}

/* Toasts */
.toast-stack {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 11000;
  pointer-events: none;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--text-accent);
  padding: 10px 14px;
  border-radius: 4px;
  color: var(--text-main);
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  font-size: 12px;
  max-width: 320px;
  animation: toastSlideIn 0.25s ease-out;
  pointer-events: auto;
}

.toast.toast-error {
  border-left-color: var(--text-danger);
}

.toast.toast-warning {
  border-left-color: var(--text-warning);
}

.toast.toast-info {
  border-left-color: var(--text-info);
}

@keyframes toastSlideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Helpers */
.text-accent { color: var(--text-accent) !important; }
.text-dim { color: var(--text-dim) !important; }
.text-warning { color: var(--text-warning) !important; }
.text-danger { color: var(--text-danger) !important; }
.text-info { color: var(--text-info) !important; }
.hidden { display: none !important; }


/* ============================================================
   TUTORIAL & ACADEMY FLOATING GUIDE STYLING
   ============================================================ */

.tutorial-floating-card {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 440px;
  max-width: 90vw;
  background: var(--bg-card);
  border: 1px solid var(--border-focus);
  box-shadow: 0 0 24px var(--glow-color), 0 8px 32px rgba(0, 0, 0, 0.85);
  border-radius: 6px;
  z-index: 10001;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(8px);
  animation: tutPopIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes tutPopIn {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.tut-card-header {
  background: var(--bg-tertiary);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 5px 5px 0 0;
}

.tut-header-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tut-badge {
  background: var(--text-accent);
  color: var(--bg-primary);
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 3px;
}

.tut-title-text {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-accent);
}

.tut-card-body {
  padding: 14px 16px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-main);
  max-height: 320px;
  overflow-y: auto;
}

.tut-subtitle {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-warning);
  margin-bottom: 8px;
}

.tut-content code {
  background: rgba(0, 0, 0, 0.4);
  color: var(--text-accent);
  padding: 1px 4px;
  border-radius: 3px;
  border: 1px solid var(--border-color);
}

.tut-card-footer {
  padding: 8px 14px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 0 0 5px 5px;
}

.tut-pagination {
  display: flex;
  gap: 5px;
}

.tut-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border-color);
}

.tut-dot.active {
  background: var(--text-accent);
  box-shadow: 0 0 6px var(--text-accent);
}


/* Responsive Layout */
@media (max-width: 900px) {
  #workspace {
    grid-template-columns: 1fr;
    grid-template-rows: 55% 45%;
  }

  #right-column {
    border-left: none;
    border-top: 1px solid var(--border-color);
  }

  .tutorial-floating-card {
    left: 10px;
    right: 10px;
    bottom: 10px;
    width: auto;
  }

  .status-metrics {
    gap: 10px;
  }

  .trace-bar-container {
    width: 70px;
  }
}