/* styles.css — Operation: Remote Agent — "Classified Ops Terminal" theme */

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

/* ─── Design Tokens ──────────────────────────────────────────── */
:root {
  --bg:             #0a0e14;
  --bg-card:        #111a1f;
  --bg-terminal:    #0d1117;
  --bg-hover:       rgba(0,255,65,0.02);
  --border:         #1a2a1e;
  --border-active:  #00ff41;
  --text:           #d4e8d0;
  --text-dim:       #5a7a60;
  --text-muted:     #3a5a40;
  --green:          #00ff41;
  --green-dim:      #0a4a1a;
  --green-glow:     rgba(0,255,65,0.12);
  --green-bright:   #4ade80;
  --orange:         #f59e0b;
  --orange-glow:    rgba(245,158,11,0.12);
  --red:            #ef4444;
  --cyan:           #06d6a0;
  --cyan-glow:      rgba(6,214,160,0.12);
  --purple:         #a855f7;
  --terminal-green: #00ff41;
  --font-mono:      'JetBrains Mono', monospace;
  --font-sans:      'Inter', -apple-system, sans-serif;
}

/* ─── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ─── Scanline Overlay ───────────────────────────────────────── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,255,65,0.015) 2px,
    rgba(0,255,65,0.015) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* ─── Screen Container (only one visible at a time) ──────────── */
.screen { display: none; }
.screen.active { display: block; }

/* ═══════════════════════════════════════════════════════════════
   OS SELECTOR SCREEN
   ═══════════════════════════════════════════════════════════════ */

.os-selector-screen {
  max-width: 680px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  justify-content: center;
}

.os-selector-screen.active {
  display: flex;
}

.os-selector-header {
  text-align: center;
  margin-bottom: 3rem;
}

.os-selector-subtitle {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 0.75rem;
  letter-spacing: 0.05em;
}

.os-selector-cards {
  display: flex;
  gap: 1.5rem;
  width: 100%;
  justify-content: center;
}

.os-card {
  flex: 1;
  max-width: 260px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  cursor: pointer;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
  position: relative;
  text-align: center;
  overflow: hidden;
}

.os-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--green);
  opacity: 0;
  transition: opacity 0.3s;
}

.os-card:hover {
  border-color: var(--green);
  box-shadow: 0 0 30px var(--green-glow), 0 0 60px rgba(0,255,65,0.05);
  transform: translateY(-4px);
}

.os-card:hover::before {
  opacity: 1;
}

.os-card-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1.25rem;
  opacity: 0.7;
}

.os-card-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  line-height: 1;
}

.os-card-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}

.os-card-desc {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  line-height: 1.7;
  white-space: pre-line;
}

.os-card-arrow {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--green);
  opacity: 0;
  transition: opacity 0.3s;
}

.os-card:hover .os-card-arrow {
  opacity: 1;
}

@media (max-width: 520px) {
  .os-selector-cards {
    flex-direction: column;
    align-items: center;
  }
  .os-card {
    max-width: 100%;
    width: 100%;
  }
}

/* ═══════════════════════════════════════════════════════════════
   MISSION BRIEFING SCREEN
   ═══════════════════════════════════════════════════════════════ */

.briefing-screen {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  position: relative;
}

/* Classified watermark */
.briefing-screen::before {
  content: 'CLASSIFIED';
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-35deg);
  font-family: var(--font-mono);
  font-size: 8rem;
  font-weight: 700;
  color: rgba(0,255,65,0.025);
  pointer-events: none;
  white-space: nowrap;
  z-index: 0;
  letter-spacing: 0.2em;
}

.briefing-header {
  text-align: center;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.briefing-classification {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--red);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  animation: blink-slow 3s infinite;
}

.briefing-title {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--green);
  text-shadow: 0 0 30px rgba(0,255,65,0.3), 0 0 60px rgba(0,255,65,0.1);
  animation: crt-flicker 4s infinite;
}

.briefing-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.briefing-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  display: inline-block;
  animation: pulse-cyan 1.2s ease-in-out infinite;
  flex-shrink: 0;
}

.briefing-status.complete .briefing-status-dot {
  background: var(--green);
  animation: none;
}

.briefing-status.complete {
  color: var(--green);
}

@keyframes pulse-cyan {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.3; transform: scale(0.7); }
}

.briefing-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  letter-spacing: 0.08em;
}

.briefing-document {
  background: var(--bg-terminal);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.9;
  color: var(--green-bright);
  position: relative;
  z-index: 1;
  min-height: 300px;
}

.briefing-document .cursor {
  display: inline-block;
  width: 8px;
  height: 1.1em;
  background: var(--green);
  animation: cursor-blink 1s step-end infinite;
  vertical-align: text-bottom;
  margin-left: 2px;
}

.briefing-arch {
  background: var(--bg-terminal);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--text-dim);
  text-align: center;
  white-space: pre;
  overflow-x: auto;
  position: relative;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.briefing-arch.visible { opacity: 1; }

.begin-btn {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  padding: 1.1rem 2rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--bg);
  color: var(--green);
  border: none;
  border-top: 2px solid var(--green);
  cursor: pointer;
  z-index: 100;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.5s ease, transform 0.5s ease, background 0.3s, color 0.3s, box-shadow 0.3s;
  box-shadow: 0 -4px 30px rgba(0,255,65,0.15);
}
.begin-btn.visible {
  opacity: 1;
  transform: translateY(0);
}
.begin-btn:hover {
  background: var(--green);
  color: var(--bg);
  box-shadow: 0 -4px 40px rgba(0,255,65,0.35);
}

/* Extra padding on briefing screen so content isn't hidden behind fixed button */
.briefing-screen { padding-bottom: 5rem; }

/* ═══════════════════════════════════════════════════════════════
   OPERATIONS HUD (MAIN GAME SCREEN)
   ═══════════════════════════════════════════════════════════════ */

/* Header */
.header {
  text-align: center;
  padding: 2rem 1rem 1rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(0,255,65,0.03) 0%, transparent 100%);
}

.reset-link-fixed {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 500;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.1em;
  border: 1px solid var(--border);
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  background: var(--bg);
  transition: color 0.2s, border-color 0.2s;
}
.reset-link-fixed:hover {
  color: var(--red);
  border-color: var(--red);
}

.header h1 {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  color: var(--green);
  text-shadow: 0 0 20px rgba(0,255,65,0.2);
  animation: crt-flicker 4s infinite;
}

.header .subtitle {
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* Progress bar */
.progress-container {
  max-width: 700px;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
}

.progress-bar-bg {
  background: var(--border);
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green-dim), var(--green));
  border-radius: 999px;
  transition: width 0.6s ease;
  box-shadow: 0 0 12px var(--green-glow);
  width: 0%;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.4rem;
  font-family: var(--font-mono);
}

/* Main layout */
.main {
  max-width: 800px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* ─── Architecture Diagram ───────────────────────────────────── */
.arch-diagram {
  background: var(--bg-terminal);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.6;
  color: var(--text-muted);
  text-align: center;
  white-space: pre;
  overflow-x: auto;
  transition: border-color 0.5s;
}

.arch-diagram .highlight { color: var(--text-dim); }
.arch-diagram .node {
  transition: color 0.4s, text-shadow 0.4s;
}
.arch-diagram .node.active {
  color: var(--green);
  font-weight: 700;
  text-shadow: 0 0 8px rgba(0,255,65,0.4);
}
.arch-diagram .node.complete {
  color: var(--green-bright);
}

/* ─── Level Headers ──────────────────────────────────────────── */
.level-section {
  margin-bottom: 2rem;
}

.level-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
}

.level-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.level-badge.op {
  background: var(--green-glow);
  color: var(--green);
  border: 1px solid rgba(0,255,65,0.25);
}
.level-badge.mid {
  background: var(--orange-glow);
  color: var(--orange);
  border: 1px solid rgba(245,158,11,0.25);
}
.level-badge.end {
  background: var(--cyan-glow);
  color: var(--cyan);
  border: 1px solid rgba(6,214,160,0.25);
}

.level-title {
  font-size: 1.1rem;
  font-weight: 600;
}

.level-tagline {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-left: auto;
  font-family: var(--font-mono);
}

/* ─── Quest Cards ────────────────────────────────────────────── */
.quest-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s, opacity 0.3s;
}

.quest-card.active {
  border-color: var(--green);
  box-shadow: 0 0 20px var(--green-glow), 0 0 40px rgba(0,255,65,0.05);
}

.quest-card.completed {
  border-color: var(--green-dim);
}

.quest-card.locked {
  opacity: 0.4;
  pointer-events: none;
}

.quest-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s;
}
.quest-header:hover { background: var(--bg-hover); }

.quest-status {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  transition: all 0.3s;
  font-family: var(--font-mono);
}

.quest-status.pending {
  border: 2px solid var(--text-muted);
  color: var(--text-muted);
}

.quest-status.active-status {
  border: 2px solid var(--green);
  color: var(--green);
  background: var(--green-glow);
  animation: pulse-green 2s infinite;
}

.quest-status.done {
  border: 2px solid var(--green);
  color: var(--green);
  background: var(--green-glow);
}

.quest-info { flex: 1; }
.quest-name { font-weight: 600; font-size: 0.95rem; }
.quest-desc { font-size: 0.8rem; color: var(--text-dim); margin-top: 0.15rem; }

.quest-chevron {
  color: var(--text-muted);
  transition: transform 0.3s;
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.quest-card.expanded .quest-chevron { transform: rotate(90deg); }

/* Quest body (expandable) */
.quest-body {
  display: none;
  padding: 0 1.25rem 1.25rem;
  border-top: 1px solid var(--border);
}

.quest-card.expanded .quest-body { display: block; }

.quest-body h3 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 1.25rem 0 0.5rem;
}

.quest-body p,
.quest-body li {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text);
}

.quest-body ul { padding-left: 1.2rem; }
.quest-body li { margin-bottom: 0.3rem; }

/* Inline code */
code {
  font-family: var(--font-mono);
  background: rgba(0,255,65,0.08);
  color: var(--green-bright);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.82em;
}

/* Step list */
.step-list { counter-reset: step; list-style: none; padding-left: 0; }
.step-list li {
  counter-increment: step;
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.75rem;
}
.step-list li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.1em;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 50%;
  background: var(--green-glow);
  border: 1px solid rgba(0,255,65,0.25);
  color: var(--green);
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
}

/* ─── Terminal Simulator ─────────────────────────────────────── */
.terminal {
  background: var(--bg-terminal);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 1rem 0;
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.terminal-dot.r { background: #ef4444; }
.terminal-dot.y { background: #f59e0b; }
.terminal-dot.g { background: #22c55e; }

.terminal-title {
  flex: 1;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.8;
  min-height: 80px;
  max-height: 250px;
  overflow-y: auto;
}
.terminal-body::-webkit-scrollbar { width: 4px; }
.terminal-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.term-line { white-space: pre-wrap; word-break: break-all; }
.term-prompt { color: var(--terminal-green); }
.term-output { color: var(--text-dim); }
.term-success { color: var(--green-bright); }
.term-error { color: var(--red); }
.term-info { color: var(--cyan); }

.terminal-input-area {
  padding: 0 1rem 0.75rem;
}

.terminal-input-row {
  display: flex;
  align-items: center;
}

.terminal-input-row .term-prompt {
  white-space: nowrap;
  padding-right: 0;
}

.terminal-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  outline: none;
  caret-color: var(--terminal-green);
}
.terminal-input::placeholder { color: var(--text-muted); }

/* ─── Copy Buttons ───────────────────────────────────────────── */

/* In terminal hint lines */
.term-hint-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.term-hint-cmd {
  color: var(--cyan);
}

/* Base copy button */
.copy-btn {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  border: 1px solid var(--green-dim);
  background: transparent;
  color: var(--green);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}

.copy-btn:hover {
  background: var(--green-glow);
  border-color: var(--green);
}

.copy-btn.copied {
  background: var(--green-glow);
  border-color: var(--green);
  color: var(--green);
}

/* Inline copy buttons (next to <code> in quest body) — hidden until hover */
.copy-btn-inline {
  opacity: 0;
  font-size: 0.55rem;
  padding: 0.1rem 0.4rem;
  vertical-align: middle;
  margin-left: 0.25rem;
  transition: opacity 0.15s, background 0.15s, color 0.15s;
}

code:hover + .copy-btn-inline,
.copy-btn-inline:hover,
.copy-btn-inline.copied {
  opacity: 1;
}

/* ─── Validation Checklist ───────────────────────────────────── */
.validation { margin: 1rem 0; }

.val-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0;
  font-size: 0.85rem;
}

.val-check {
  width: 20px;
  height: 20px;
  border: 2px solid var(--text-muted);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
  font-size: 0.7rem;
  font-family: var(--font-mono);
}

.val-check:hover {
  border-color: var(--green);
}

.val-check.checked {
  border-color: var(--green);
  background: var(--green-glow);
  color: var(--green);
}

/* Complete quest button */
.complete-btn {
  display: block;
  width: 100%;
  padding: 0.75rem;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.complete-btn.ready {
  background: linear-gradient(135deg, var(--green-dim), #0a6a2a);
  color: var(--green);
  border: 1px solid rgba(0,255,65,0.3);
  box-shadow: 0 0 20px var(--green-glow);
}
.complete-btn.ready:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 24px var(--green-glow);
  background: linear-gradient(135deg, #0a6a2a, #0a8a3a);
}

.complete-btn.disabled {
  background: var(--border);
  color: var(--text-muted);
  cursor: not-allowed;
}

.complete-btn.done {
  background: var(--green-glow);
  color: var(--green-dim);
  cursor: default;
  border: 1px solid rgba(0,255,65,0.1);
}

/* ─── Info & Hint Boxes ──────────────────────────────────────── */
.hint-box {
  background: rgba(245,158,11,0.06);
  border-left: 3px solid var(--orange);
  padding: 0.75rem 1rem;
  border-radius: 0 6px 6px 0;
  margin: 0.75rem 0;
  font-size: 0.82rem;
  color: var(--text);
}
.hint-box strong { color: var(--orange); }

.info-box {
  background: rgba(6,214,160,0.06);
  border-left: 3px solid var(--cyan);
  padding: 0.75rem 1rem;
  border-radius: 0 6px 6px 0;
  margin: 0.75rem 0;
  font-size: 0.82rem;
}

/* ─── Table ──────────────────────────────────────────────────── */
.cmd-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.75rem 0;
  font-size: 0.82rem;
}

.cmd-table th,
.cmd-table td {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  text-align: left;
}

.cmd-table th {
  background: rgba(0,255,65,0.03);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ═══════════════════════════════════════════════════════════════
   LEVEL TRANSITION OVERLAY
   ═══════════════════════════════════════════════════════════════ */

.level-transition {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.level-transition.active {
  opacity: 1;
  pointer-events: all;
}

.level-transition h2 {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--green);
  letter-spacing: 0.1em;
  text-shadow: 0 0 20px rgba(0,255,65,0.3);
  margin-bottom: 0.5rem;
}

.level-transition p {
  color: var(--text-dim);
  font-size: 0.95rem;
  max-width: 500px;
  text-align: center;
}

/* ═══════════════════════════════════════════════════════════════
   VICTORY DEBRIEF SCREEN
   ═══════════════════════════════════════════════════════════════ */

.victory-screen {
  max-width: 700px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  text-align: center;
}

.victory-banner {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--green);
  text-shadow: 0 0 10px rgba(0,255,65,0.3);
  white-space: pre;
  margin-bottom: 2rem;
  text-align: center;
}

.victory-arch {
  background: var(--bg-terminal);
  border: 1px solid var(--green-dim);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1.5rem auto;
  max-width: 560px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  text-align: center;
  white-space: pre;
  color: var(--green);
}

.victory-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 500px;
  margin: 2rem auto;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--green-dim);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
}

.stat-name {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--green);
  font-weight: 700;
}

.stat-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.victory-closing {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--green);
  margin-top: 2rem;
  text-shadow: 0 0 15px rgba(0,255,65,0.2);
}

.victory-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 1.5rem;
}

.restart-btn {
  margin-top: 2rem;
  padding: 0.75rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  background: transparent;
  border: 1px solid var(--green-dim);
  color: var(--green);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s;
  letter-spacing: 0.05em;
}
.restart-btn:hover {
  background: var(--green-glow);
  border-color: var(--green);
}

/* ═══════════════════════════════════════════════════════════════
   TMUX CHEATSHEET
   ═══════════════════════════════════════════════════════════════ */

.tmux-btn {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 500;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cyan);
  background: var(--bg);
  border: 1px solid rgba(6,214,160,0.3);
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.tmux-btn:hover,
.tmux-btn.active {
  color: var(--bg);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* Overlay backdrop */
.tmux-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 600;
}
.tmux-overlay.open { display: block; }

/* Slide-in panel */
.tmux-panel {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: 360px;
  max-width: 92vw;
  background: var(--bg-terminal);
  border-left: 1px solid var(--border);
  z-index: 700;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}
.tmux-panel.open { transform: translateX(0); }

.tmux-panel-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.tmux-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.tmux-panel-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--cyan);
}

.tmux-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  transition: color 0.2s;
}
.tmux-close:hover { color: var(--text); }

.tmux-panel-body {
  overflow-y: auto;
  padding: 1rem 1.25rem 2rem;
  flex: 1;
}
.tmux-panel-body::-webkit-scrollbar { width: 4px; }
.tmux-panel-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.tmux-section {
  margin-bottom: 1.5rem;
}

.tmux-section-title {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.6rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--border);
}

.tmux-section-note {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  font-style: italic;
}

.tmux-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid rgba(26,42,30,0.5);
}
.tmux-row:last-child { border-bottom: none; }

.tmux-keys {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  flex-shrink: 0;
  min-width: 130px;
}

kbd.tmux-prefix {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  background: rgba(0,255,65,0.07);
  border: 1px solid rgba(0,255,65,0.2);
  color: var(--green);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  white-space: nowrap;
}

kbd.tmux-key {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  background: rgba(6,214,160,0.08);
  border: 1px solid rgba(6,214,160,0.25);
  color: var(--cyan);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  font-weight: 700;
  white-space: nowrap;
}

/* Terminal commands (single key = the command itself) */
.tmux-keys kbd.tmux-key:only-child {
  color: var(--green-bright);
  background: rgba(0,255,65,0.05);
  border-color: rgba(0,255,65,0.15);
  font-size: 0.6rem;
}

.tmux-plus {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-muted);
}

.tmux-desc {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.4;
  padding-top: 0.05rem;
}

/* ═══════════════════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════════════════ */

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,255,65,0.35); }
  50%      { box-shadow: 0 0 0 6px rgba(0,255,65,0); }
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

@keyframes blink-slow {
  0%, 80%, 100% { opacity: 1; }
  90%           { opacity: 0.3; }
}

@keyframes crt-flicker {
  0%, 100% { opacity: 1; }
  92%      { opacity: 1; }
  93%      { opacity: 0.8; }
  94%      { opacity: 1; }
  96%      { opacity: 0.9; }
  97%      { opacity: 1; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}

.fade-in { animation: fadeIn 0.5s ease forwards; }
.slide-up { animation: slideUp 0.6s ease forwards; }

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 600px) {
  .briefing-title { font-size: 1.3rem; }
  .briefing-document { padding: 1.2rem; font-size: 0.78rem; }
  .briefing-screen::before { font-size: 4rem; }

  .header h1 { font-size: 1.3rem; }
  .main { padding: 1rem; }
  .arch-diagram { font-size: 0.55rem; padding: 1rem; }
  .terminal-body { font-size: 0.72rem; }

  .level-tagline { display: none; }
  .quest-header { padding: 0.85rem 1rem; }

  .victory-banner { font-size: 0.55rem; }
  .victory-stats { grid-template-columns: 1fr; }
  .victory-arch { font-size: 0.55rem; }
}

@media (max-width: 400px) {
  .briefing-screen { padding: 2rem 1rem; }
  .briefing-title { font-size: 1.1rem; letter-spacing: 0.08em; }
  .arch-diagram { font-size: 0.48rem; }
}

/* ═══════════════════════════════════════════════════════════════
   SKIN SWITCHER BUTTON (active in all skins)
   ═══════════════════════════════════════════════════════════════ */

.skin-btn {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 500;
  padding: 0.3rem 0.6rem;
  background: var(--bg);
  color: var(--cyan);
  border: 1px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 3px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.skin-btn:hover,
.skin-btn.active {
  color: var(--bg);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ═══════════════════════════════════════════════════════════════
   COLORFUL RETRO TERMINAL — Skin
   Activated when <html data-skin="retro">
   ═══════════════════════════════════════════════════════════════ */

/* ── Token Overrides ──────────────────────────────────────────── */
[data-skin="retro"] {
  --bg:             #0a0a2a;
  --bg-card:        #1a0a3a;
  --bg-terminal:    #0d0a2a;
  --bg-hover:       rgba(170, 255, 68, 0.03);
  --border:         #4a5a3e;
  --border-active:  #aaff44;
  --text:           #f0d060;
  --text-dim:       #8a9060;
  --text-muted:     #5a6040;
  --green:          #aaff44;
  --green-dim:      #2a4a0a;
  --green-glow:     rgba(170, 255, 68, 0.12);
  --green-bright:   #ccff66;
  --orange:         #c8a050;
  --orange-glow:    rgba(200, 160, 80, 0.12);
  --red:            #ff4040;
  --cyan:           #40c8a0;
  --cyan-glow:      rgba(64, 200, 160, 0.12);
  --terminal-green: #aaff44;
  --font-mono:      'Space Mono', monospace;
  --font-sans:      'Space Mono', monospace;
}

/* ── Retro Typography ─────────────────────────────────────────── */
[data-skin="retro"] body {
  animation: crt-flicker 8s infinite;   /* reuses existing keyframe */
}

/* ── CRT Scanlines ────────────────────────────────────────────── */
/* body::before is unused in default skin — safe to add here     */
[data-skin="retro"] body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.15) 2px,
    rgba(0, 0, 0, 0.15) 4px
  );
}

/* ── CRT Vignette ─────────────────────────────────────────────── */
/* Overrides only the `background` of the default body::after    */
/* (position, inset, pointer-events, z-index inherit from base)  */
[data-skin="retro"] body::after {
  background: radial-gradient(
    ellipse at center,
    transparent 55%,
    rgba(0, 0, 0, 0.65) 100%
  );
}

/* ── Z-Index: Elevate TMUX panel above CRT layers ────────────── */
/* CRT layers are at z-index 9999. TMUX panel must render above. */
[data-skin="retro"] #tmuxPanel,
[data-skin="retro"] #tmuxOverlay {
  z-index: 10000;
}

/* Skin button stays above TMUX overlay when panel is open       */
[data-skin="retro"] .skin-btn {
  z-index: 10001;
}