/* Terminal Master - Cyberpunk & Retro Terminal Theme */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&family=VT323&display=swap');

:root {
  --bg-primary: #0a0e17;
  --bg-terminal: #070a10;
  --bg-header: #0f172a;
  --bg-panel: #111827;
  --bg-hover: #1e293b;
  
  --text-main: #38bdf8;
  --text-dim: #64748b;
  --text-bright: #f8fafc;
  --text-prompt-user: #10b981;
  --text-prompt-host: #06b6d4;
  --text-prompt-path: #f59e0b;
  --text-error: #f43f5e;
  --text-success: #10b981;
  --text-warning: #fbbf24;
  
  --border-color: #1e293b;
  --border-active: #0ea5e9;
  
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-magenta: #ec4899;
  --accent-amber: #f59e0b;
  
  --glow-cyan: 0 0 10px rgba(6, 182, 212, 0.4);
  --glow-green: 0 0 10px rgba(16, 185, 129, 0.4);
  
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --font-retro: 'VT323', monospace;
}

/* Theme Variations */
body.theme-matrix {
  --bg-primary: #020b05;
  --bg-terminal: #010603;
  --bg-header: #04140a;
  --bg-panel: #061c0e;
  --text-main: #00ff66;
  --text-dim: #008833;
  --text-bright: #adff2f;
  --text-prompt-user: #00ff66;
  --text-prompt-host: #33ff99;
  --text-prompt-path: #ccff33;
  --border-color: #00441b;
  --border-active: #00ff66;
  --accent-cyan: #00ffcc;
  --glow-cyan: 0 0 12px rgba(0, 255, 102, 0.5);
}

body.theme-amber {
  --bg-primary: #0f0a00;
  --bg-terminal: #0a0600;
  --bg-header: #1a1000;
  --bg-panel: #241600;
  --text-main: #ffb000;
  --text-dim: #996a00;
  --text-bright: #ffe066;
  --text-prompt-user: #ffcc00;
  --text-prompt-host: #ffa500;
  --text-prompt-path: #ff8c00;
  --border-color: #4d3500;
  --border-active: #ffb000;
  --accent-cyan: #ffd700;
  --glow-cyan: 0 0 12px rgba(255, 176, 0, 0.5);
}

body.theme-cyberpunk {
  --bg-primary: #0f051d;
  --bg-terminal: #080212;
  --bg-header: #18092e;
  --bg-panel: #220d40;
  --text-main: #00f0ff;
  --text-dim: #7a52aa;
  --text-bright: #ffffff;
  --text-prompt-user: #ff007f;
  --text-prompt-host: #00f0ff;
  --text-prompt-path: #ffe600;
  --border-color: #3b186b;
  --border-active: #ff007f;
  --accent-cyan: #00f0ff;
  --glow-cyan: 0 0 15px rgba(255, 0, 127, 0.6);
}

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

html, body {
  width: 100%;
  height: 100%;
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  overflow: hidden;
  user-select: none;
}

#matrix-rain {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.28;
  pointer-events: none;
}

body.theme-amber #matrix-rain,
body.theme-cyberpunk #matrix-rain {
  opacity: 0.16;
}

/* CRT Scanlines Effect */
body.scanlines::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%);
  background-size: 100% 4px;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.6;
}

/* App Container Layout */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  position: relative;
  z-index: 2;
}

/* Top Header Navigation */
.app-header {
  height: 48px;
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.5px;
  color: var(--text-bright);
}

.brand-icon {
  color: var(--text-prompt-user);
  font-size: 18px;
}

.hud {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.4px;
}

.hud span {
  font-variant-numeric: tabular-nums;
}

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

.btn-header {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn-header:hover {
  background: var(--bg-hover);
  border-color: var(--border-active);
  color: var(--text-bright);
  box-shadow: var(--glow-cyan);
}

.btn-header.active {
  background: rgba(14, 165, 233, 0.15);
  border-color: var(--border-active);
  color: var(--text-bright);
}

.level-badge {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--text-prompt-user);
  color: var(--text-prompt-user);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

/* Main Terminal + Side Panel Container */
.main-content {
  display: flex;
  flex: 1;
  position: relative;
  overflow: hidden;
}

/* Terminal Screen Area */
.terminal-container {
  flex: 1;
  background-color: var(--bg-terminal);
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  position: relative;
  cursor: text;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-terminal);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-active);
}

/* Terminal Output Lines */
.terminal-output {
  display: flex;
  flex-direction: column;
  gap: 4px;
  word-break: break-word;
  white-space: pre-wrap;
  font-family: var(--font-mono);
}

.line {
  line-height: 1.45;
}

.line-cmd {
  color: var(--text-bright);
  font-weight: 500;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.prompt {
  display: inline-flex;
  gap: 2px;
  font-weight: 600;
}

.prompt-user { color: var(--text-prompt-user); }
.prompt-at { color: var(--text-dim); }
.prompt-host { color: var(--text-prompt-host); }
.prompt-colon { color: var(--text-dim); }
.prompt-path { color: var(--text-prompt-path); }
.prompt-symbol { color: var(--text-bright); font-weight: bold; }

.line-stdout { color: var(--text-main); }
.line-error { color: var(--text-error); }
.line-success { color: var(--text-success); }
.line-warning { color: var(--text-warning); }
.line-dim { color: var(--text-dim); }

/* Current Command Input Row */
.input-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  position: relative;
}

.cmd-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-bright);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  caret-color: var(--accent-cyan);
}

/* Blinking Terminal Cursor */
.cmd-input::selection {
  background: rgba(16, 185, 129, 0.35);
}

/* Floating Objectives Drawer / Panel */
.objectives-panel {
  width: 340px;
  background-color: var(--bg-panel);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 15;
}

.objectives-panel.collapsed {
  transform: translateX(100%);
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
}

.panel-header {
  padding: 14px 16px;
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-bright);
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-body {
  padding: 16px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Progress Bar */
.progress-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-dim);
}

.progress-bar-bg {
  width: 100%;
  height: 8px;
  background: var(--bg-terminal);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
  width: 0%;
  transition: width 0.4s ease;
  box-shadow: var(--glow-cyan);
}

/* Objective Item Cards */
.objective-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.objective-card {
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 12px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  transition: all 0.2s ease;
}

.objective-card.completed {
  border-color: var(--accent-green);
  background: rgba(16, 185, 129, 0.05);
}

.objective-icon {
  font-size: 16px;
  color: var(--text-dim);
  margin-top: 1px;
}

.objective-card.completed .objective-icon {
  color: var(--accent-green);
}

.objective-details {
  flex: 1;
}

.objective-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 4px;
}

.objective-card.completed .objective-title {
  color: var(--accent-green);
  text-decoration: line-through;
}

.objective-desc {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.4;
}

.objective-hint {
  font-size: 11px;
  color: var(--accent-amber);
  margin-top: 6px;
  background: rgba(245, 158, 11, 0.1);
  padding: 4px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
}

/* Cheatsheet section */
.cheatsheet-section {
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
}

.cheatsheet-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.command-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.cmd-tag {
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all 0.2s;
}

.cmd-tag:hover {
  border-color: var(--border-active);
  color: var(--text-bright);
}

/* Mobile Quick Keys Bar */
.mobile-keys-bar {
  display: none;
  background: var(--bg-header);
  border-top: 1px solid var(--border-color);
  padding: 6px;
  gap: 6px;
  overflow-x: auto;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .mobile-keys-bar {
    display: flex;
  }
  .objectives-panel {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 85%;
    box-shadow: -10px 0 30px rgba(0,0,0,0.8);
  }
}

.btn-key {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  color: var(--text-bright);
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-family: var(--font-mono);
  cursor: pointer;
}

.btn-key:active {
  background: var(--border-active);
}

/* Modal Windows */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-active);
  box-shadow: 0 0 30px rgba(0,0,0,0.9), var(--glow-cyan);
  border-radius: 8px;
  width: 90%;
  max-width: 650px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-card.large {
  max-width: 900px;
  height: 80vh;
}

.modal-header {
  padding: 12px 16px;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-bright);
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 20px;
  cursor: pointer;
}

.modal-close:hover {
  color: var(--text-bright);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Nano Editor Modal */
#nano-modal .modal-card {
  width: 95vw;
  height: 92vh;
  max-width: 1200px;
  background: #000000;
  border: 1px solid #10b981;
  border-radius: 4px;
}

.nano-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  font-family: var(--font-mono);
  background-color: #000000;
  color: #ffffff;
}

.nano-titlebar {
  background-color: #ffffff;
  color: #000000;
  padding: 2px 8px;
  font-weight: bold;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}

.nano-editor-area {
  flex: 1;
  background: transparent;
  color: #ffffff;
  border: none;
  outline: none;
  resize: none;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  padding: 12px;
  white-space: pre;
  tab-size: 4;
}

.nano-statusbar {
  background-color: #333333;
  color: #ffffff;
  padding: 4px 8px;
  font-size: 13px;
  min-height: 24px;
}

.nano-promptbar {
  background-color: #ffffff;
  color: #000000;
  padding: 4px 8px;
  font-weight: bold;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nano-prompt-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #000000;
  font-family: var(--font-mono);
  font-weight: bold;
  font-size: 13px;
}

.nano-shortcuts {
  background-color: #000000;
  border-top: 1px solid #333333;
  padding: 6px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 4px 8px;
  font-size: 12px;
}

.nano-shortcut-item {
  color: #ffffff;
  display: flex;
  gap: 4px;
}

.nano-key {
  color: #00ff66;
  font-weight: bold;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2000;
  pointer-events: none;
}

.toast {
  background: var(--bg-panel);
  border: 1px solid var(--accent-green);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5), var(--glow-green);
  padding: 12px 16px;
  border-radius: 6px;
  color: var(--text-bright);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  pointer-events: auto;
  max-width: 360px;
}

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

/* Leaderboard Table */
.lb-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.lb-table th {
  text-align: left;
  padding: 8px 12px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
}

.lb-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.lb-table tr:hover {
  background: var(--bg-hover);
}

.lb-rank {
  font-weight: bold;
  color: var(--accent-amber);
  width: 40px;
}

.lb-name {
  color: var(--text-bright);
  font-weight: 600;
}

/* Form inputs */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 600;
}

.form-input {
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  color: var(--text-bright);
  padding: 8px 12px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 14px;
  outline: none;
}

.form-input:focus {
  border-color: var(--border-active);
  box-shadow: var(--glow-cyan);
}

.btn-primary {
  background: var(--accent-cyan);
  color: #000000;
  font-weight: 700;
  border: none;
  padding: 10px 16px;
  border-radius: 4px;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary:hover {
  background: var(--text-bright);
  box-shadow: var(--glow-cyan);
}

/* Web Server Frame Preview Modal */
.web-server-preview-frame {
  width: 100%;
  height: 400px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.panel-hint {
  margin-top: auto;
  font-size: 11px;
  color: var(--text-dim);
}

.panel-hint code {
  color: var(--text-prompt-user);
  font-family: var(--font-mono);
}

.victory-copy {
  color: var(--text-bright);
  font-size: 14px;
}

.victory-stats {
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  padding: 12px;
  border-radius: 6px;
  display: flex;
  justify-content: space-around;
}

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

.stat-value {
  color: var(--text-prompt-user);
  font-weight: 700;
  font-size: 18px;
}

#hud-score {
  color: var(--text-prompt-user);
  font-weight: 700;
}

.coach-panel {
  flex-shrink: 0;
  margin-top: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-panel);
  border-radius: 6px;
  padding: 8px 10px;
}

.coach-panel.collapsed .coach-stream,
.coach-panel.collapsed .coach-ask-form {
  display: none;
}

.coach-panel.idle-hot {
  border-color: var(--text-warning);
  box-shadow: 0 0 12px rgba(251, 191, 36, 0.25);
}

.coach-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-dim);
}

.coach-bar strong {
  color: var(--text-prompt-user);
  letter-spacing: 0.4px;
}

.coach-stream {
  margin: 8px 0 0;
  white-space: pre-wrap;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 12px;
  max-height: 110px;
  overflow-y: auto;
}

.coach-ask-form {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.coach-ask-form input {
  flex: 1;
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  color: var(--text-bright);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 8px;
  outline: none;
}

.app-header {
  gap: 10px;
}

.ls-dir { color: var(--accent-cyan); font-weight: 600; }

@media (max-width: 900px) {
  .hud { display: none; }
  .brand span:nth-child(2) { display: none; }
}