/* ═══════════════════════════════════════════════════════════════
   REDSTONE COURIER PROTOCOL - STYLES
   Theme: Deep Slate Terminal with Minecraft Accents
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* Core Colors */
  --slate-darkest: #0a0c0f;
  --slate-darker: #12151a;
  --slate-dark: #1a1e24;
  --slate-mid: #252a33;
  --slate-light: #363d4a;
  --slate-lighter: #4a5568;

  /* Accent Colors */
  --redstone: #ff3333;
  --redstone-glow: #ff4444;
  --redstone-dim: #aa2222;
  --redstone-dark: #661111;

  --amethyst: #a855f7;
  --amethyst-glow: #c084fc;
  --amethyst-dim: #7c3aed;
  --amethyst-dark: #4c1d95;

  --emerald: #10b981;
  --emerald-glow: #34d399;
  --emerald-dim: #059669;
  --emerald-dark: #064e3b;

  --gold: #f59e0b;
  --gold-glow: #fbbf24;
  --gold-dim: #d97706;

  /* Text Colors */
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dim: #475569;

  /* Functional Colors */
  --error: #ef4444;
  --warning: #f59e0b;
  --success: #10b981;
  --info: #3b82f6;

  /* Typography */
  --font-mono: 'JetBrains Mono', 'Consolas', 'Monaco', monospace;
  --font-pixel: 'Press Start 2P', cursive;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  /* Borders */
  --border-width: 1px;
  --border-color: var(--slate-light);
  --border-glow: var(--redstone-dim);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ═══════════════════════════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════════════════════════ */

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

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-mono);
  background: var(--slate-darkest);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  position: relative;
}

/* Background Image - Subtle but visible */
.bg-logo {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 0;
  background: url('assets/bg-1920.jpg') center center / cover no-repeat;
  opacity: 0.12;
}

@media (max-width: 1280px) {
  .bg-logo {
    background-image: url('assets/bg-1280.jpg');
  }
}

@media (max-width: 768px) {
  .bg-logo {
    background-image: url('assets/bg-768.jpg');
  }
}

/* Breathing Redstone Dust Particles - Organic wave effect */
body::before,
.redstone-layer-2,
.redstone-layer-3 {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 1;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Crect x='3' y='3' width='2' height='2' fill='%23ff3333'/%3E%3C/svg%3E");
  background-size: 12px 12px;
}

body::before {
  animation: breathe-wave-1 8s ease-in-out infinite;
}

.redstone-layer-2 {
  background-position: 4px 4px;
  animation: breathe-wave-2 11s ease-in-out infinite;
  animation-delay: -3s;
}

.redstone-layer-3 {
  background-position: 2px 6px;
  animation: breathe-wave-3 14s ease-in-out infinite;
  animation-delay: -7s;
}

@keyframes breathe-wave-1 {
  0%, 100% { opacity: 0.02; }
  23% { opacity: 0.06; }
  41% { opacity: 0.03; }
  68% { opacity: 0.07; }
  84% { opacity: 0.04; }
}

@keyframes breathe-wave-2 {
  0%, 100% { opacity: 0.03; }
  19% { opacity: 0.05; }
  37% { opacity: 0.02; }
  58% { opacity: 0.06; }
  79% { opacity: 0.03; }
}

@keyframes breathe-wave-3 {
  0%, 100% { opacity: 0.025; }
  15% { opacity: 0.04; }
  33% { opacity: 0.02; }
  52% { opacity: 0.055; }
  71% { opacity: 0.03; }
  88% { opacity: 0.045; }
}

/* Scanline overlay */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.1) 2px,
    rgba(0, 0, 0, 0.1) 4px
  );
  z-index: 10000;
}

/* ═══════════════════════════════════════════════════════════════
   UTILITIES
   ═══════════════════════════════════════════════════════════════ */

.hidden {
  display: none !important;
}

.text-redstone { color: var(--redstone); }
.text-amethyst { color: var(--amethyst); }
.text-emerald { color: var(--emerald); }
.text-gold { color: var(--gold); }
.text-muted { color: var(--text-muted); }

/* ═══════════════════════════════════════════════════════════════
   EXPIRED BANNER
   ═══════════════════════════════════════════════════════════════ */

.expired-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, var(--redstone-dark) 0%, var(--slate-darkest) 100%);
  border-bottom: 2px solid var(--redstone);
  padding: var(--spacing-md);
  text-align: center;
  z-index: 1000;
  box-shadow: 0 0 30px rgba(255, 51, 51, 0.3);
}

.expired-line {
  font-family: var(--font-pixel);
  font-size: 0.7rem;
  color: var(--redstone);
  text-shadow: 0 0 10px var(--redstone);
  letter-spacing: 2px;
  margin-bottom: var(--spacing-xs);
}

.expired-line.secondary {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-shadow: none;
}

.expired-line.tertiary {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-shadow: none;
  margin-bottom: 0;
}

/* ═══════════════════════════════════════════════════════════════
   LOGIN SCREEN
   ═══════════════════════════════════════════════════════════════ */

.login-screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  gap: 0;
}

.login-container {
  width: 100%;
  max-width: 340px;
  margin-top: -24px;
}

.login-header {
  text-align: center;
}

.login-logo {
  width: 336px;
  height: 336px;
  margin: 0 auto;
  /* Subtle depth - soft ambient shadow, no glow */
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.6));
  image-rendering: auto;
  /* Crisp edges for authority */
  image-rendering: -webkit-optimize-contrast;
  /* Subtle breathing - alive but restrained */
  animation: logo-breathe 6s ease-in-out infinite;
}

@keyframes logo-breathe {
  0%, 100% {
    opacity: 0.92;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.02);
  }
}

.login-header h1 {
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  color: var(--redstone);
  text-shadow: 0 0 10px var(--redstone-dim);
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.login-subtitle {
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 3px;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  text-transform: uppercase;
}

.login-form {
  padding: var(--spacing-lg);
  background: rgba(18, 21, 26, 0.7);
  border: 1px solid rgba(54, 61, 74, 0.5);
  border-radius: 4px;
  backdrop-filter: blur(8px);
}

.login-footer {
  padding: var(--spacing-md) 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: var(--spacing-md);
}

.login-footer .footer-text {
  display: block;
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: 0.15em;
  margin-bottom: var(--spacing-xs);
}

.login-footer .timer-value {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gold-dim);
  letter-spacing: 2px;
}

.timer-value {
  color: var(--gold);
  font-weight: 600;
}

/* ═══════════════════════════════════════════════════════════════
   FORM ELEMENTS
   ═══════════════════════════════════════════════════════════════ */

.input-group {
  margin-bottom: var(--spacing-md);
}

.input-group label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
  margin-bottom: var(--spacing-xs);
}

.input-group input,
.input-group textarea,
.input-group select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--slate-darkest);
  border: var(--border-width) solid var(--border-color);
  border-radius: 2px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-group input:focus,
.input-group textarea:focus,
.input-group select:focus {
  outline: none;
  border-color: var(--amethyst-dim);
  box-shadow: 0 0 8px var(--amethyst-dark);
}

.input-group input:disabled,
.input-group textarea:disabled,
.input-group select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--slate-dark);
}

.input-group textarea {
  min-height: 100px;
  resize: vertical;
  font-size: 0.8rem;
}

.input-group.inline {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.input-group.inline label {
  margin-bottom: 0;
  min-width: 30px;
}

.input-group.inline input {
  flex: 1;
  max-width: 120px;
}

/* Multiple Choice */
.choice-group {
  margin-bottom: var(--spacing-md);
}

.choice-option {
  display: flex;
  align-items: flex-start;
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  background: var(--slate-darkest);
  border: var(--border-width) solid var(--border-color);
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.choice-option:hover {
  border-color: var(--amethyst-dim);
  background: var(--slate-dark);
}

.choice-option.selected {
  border-color: var(--amethyst);
  background: var(--amethyst-dark);
}

.choice-option.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.choice-option input[type="radio"] {
  margin-right: var(--spacing-sm);
  margin-top: 3px;
  accent-color: var(--amethyst);
}

.choice-label {
  font-size: 0.85rem;
}

.choice-letter {
  color: var(--amethyst);
  font-weight: 600;
  margin-right: var(--spacing-xs);
}

/* Buttons */
.submit-btn {
  width: 100%;
  padding: var(--spacing-md);
  background: linear-gradient(180deg, var(--amethyst-dim) 0%, var(--amethyst-dark) 100%);
  border: var(--border-width) solid var(--amethyst);
  border-radius: 2px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
}

.submit-btn:hover {
  background: linear-gradient(180deg, var(--amethyst) 0%, var(--amethyst-dim) 100%);
  box-shadow: 0 0 15px var(--amethyst-dark);
}

.submit-btn:active {
  transform: translateY(1px);
}

.submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.submit-btn.danger {
  background: linear-gradient(180deg, var(--redstone-dim) 0%, var(--redstone-dark) 100%);
  border-color: var(--redstone);
}

.submit-btn.danger:hover {
  background: linear-gradient(180deg, var(--redstone) 0%, var(--redstone-dim) 100%);
  box-shadow: 0 0 15px var(--redstone-dark);
}

.submit-btn.success {
  background: linear-gradient(180deg, var(--emerald-dim) 0%, var(--emerald-dark) 100%);
  border-color: var(--emerald);
}

/* ═══════════════════════════════════════════════════════════════
   SYSTEM RESPONSE & HINTS
   ═══════════════════════════════════════════════════════════════ */

.system-response {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--slate-darkest);
  border-left: 3px solid var(--border-color);
  font-size: 0.8rem;
  min-height: 24px;
}

.system-response:empty {
  display: none;
}

.system-response.error {
  border-color: var(--error);
  color: var(--error);
}

.system-response.success {
  border-color: var(--emerald);
  color: var(--emerald);
}

.system-response.warning {
  border-color: var(--warning);
  color: var(--warning);
}

.hint-stack {
  margin-top: var(--spacing-md);
}

.hint-item {
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  background: var(--slate-dark);
  border-left: 3px solid var(--gold-dim);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.hint-tier {
  color: var(--gold);
  font-weight: 600;
  margin-right: var(--spacing-sm);
}

/* ═══════════════════════════════════════════════════════════════
   DASHBOARD LAYOUT
   ═══════════════════════════════════════════════════════════════ */

.dashboard {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.dashboard.expired {
  margin-top: 90px;
}

/* Top Bar */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--slate-darker);
  border-bottom: var(--border-width) solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-bar-left,
.top-bar-center,
.top-bar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.top-bar .label {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.top-bar .value {
  font-size: 0.8rem;
  color: var(--amethyst);
  font-weight: 600;
}

.top-bar .timer-value {
  font-size: 0.9rem;
  font-weight: 700;
}

/* Top Bar Logo */
.top-bar-logo {
  width: 36px;
  height: 36px;
  margin-right: var(--spacing-sm);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.4));
}

/* Enlarged Operator Display */
.top-bar-left .label {
  font-size: 1.2rem;
  font-weight: 600;
}

.top-bar-left .value {
  font-size: 1.4rem;
  text-shadow: 0 0 10px var(--amethyst-dim);
}

/* Enlarged Timer Display in Dashboard */
.top-bar-center {
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.top-bar-center .label {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.3em;
  margin-bottom: 2px;
}

.top-bar-center .timer-value {
  font-size: 2rem;
  font-weight: 700;
  text-shadow: 0 0 20px var(--gold-dim);
  letter-spacing: 3px;
}

/* Status Orb */
.status-orb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  box-shadow: 0 0 10px currentColor;
  transition: all var(--transition-normal);
}

.status-orb.green {
  background: var(--emerald);
  color: var(--emerald);
}

.status-orb.gold {
  background: var(--gold);
  color: var(--gold);
  animation: pulse-gold 2s infinite;
}

.status-orb.red {
  background: var(--redstone);
  color: var(--redstone);
  animation: pulse-red 1s infinite;
}

.status-orb.black {
  background: var(--slate-light);
  color: transparent;
  box-shadow: none;
}

@keyframes pulse-gold {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

@keyframes pulse-red {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Admin Gear */
.admin-gear {
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  transition: color var(--transition-fast);
}

.admin-gear:hover {
  color: var(--text-secondary);
}

.admin-gear svg {
  width: 100%;
  height: 100%;
}

/* Main Content */
.main-content {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebars */
.sidebar-left,
.sidebar-right {
  width: 220px;
  background: var(--slate-darker);
  border-right: var(--border-width) solid var(--border-color);
  overflow-y: auto;
  flex-shrink: 0;
}

.sidebar-right {
  border-right: none;
  border-left: var(--border-width) solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: var(--spacing-md);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 2px;
  border-bottom: var(--border-width) solid var(--border-color);
  background: var(--slate-dark);
}

.sidebar-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.sidebar-section:first-child {
  border-bottom: var(--border-width) solid var(--border-color);
}

/* Phase Navigation */
.phase-nav {
  padding: var(--spacing-sm);
}

.phase-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  background: var(--slate-dark);
  border: var(--border-width) solid transparent;
  border-radius: 2px;
  font-size: 0.75rem;
  color: var(--text-muted);
  cursor: default;
  transition: all var(--transition-fast);
}

.phase-item.locked {
  opacity: 0.5;
}

.phase-item.active {
  border-color: var(--amethyst);
  background: var(--amethyst-dark);
  color: var(--text-primary);
}

.phase-item.completed {
  border-color: var(--emerald-dim);
  color: var(--text-secondary);
  cursor: pointer;
}

.phase-item.completed:hover {
  background: var(--emerald-dark);
}

.phase-icon {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
}

.phase-icon.lock { color: var(--amethyst-dim); }
.phase-icon.check { color: var(--emerald); }
.phase-icon.active { color: var(--redstone); }

.phase-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Phase Content */
.phase-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
  background: var(--slate-darkest);
}

.phase-container {
  max-width: 700px;
  margin: 0 auto;
}

.phase-header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: var(--border-width) solid var(--border-color);
}

.phase-number {
  font-size: 0.65rem;
  color: var(--redstone);
  letter-spacing: 2px;
  margin-bottom: var(--spacing-xs);
}

.phase-title {
  font-family: var(--font-pixel);
  font-size: 0.7rem;
  color: var(--text-primary);
  letter-spacing: 1px;
}

.phase-briefing {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--slate-dark);
  border-left: 3px solid var(--amethyst-dim);
}

.briefing-label {
  font-size: 0.65rem;
  color: var(--amethyst);
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.briefing-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.phase-objective {
  margin-bottom: var(--spacing-lg);
}

.objective-label {
  font-size: 0.65rem;
  color: var(--gold);
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.objective-text {
  font-size: 0.9rem;
  color: var(--text-primary);
}

.phase-form {
  margin-bottom: var(--spacing-lg);
}

.checkpoint-container {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--slate-darker);
  border: var(--border-width) solid var(--border-color);
  border-radius: 2px;
}

.checkpoint-header {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: var(--border-width) solid var(--border-color);
}

.checkpoint-status {
  display: inline-block;
  margin-left: var(--spacing-sm);
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 2px;
}

.checkpoint-status.pending {
  background: var(--slate-light);
  color: var(--text-muted);
}

.checkpoint-status.complete {
  background: var(--emerald-dark);
  color: var(--emerald);
}

/* Download Link Styling */
.download-section {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--slate-dark);
  border: var(--border-width) solid var(--redstone-dim);
  border-radius: 2px;
}

.download-label {
  font-size: 0.65rem;
  color: var(--redstone);
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.download-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--redstone-dark);
  border: var(--border-width) solid var(--redstone);
  border-radius: 2px;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.8rem;
  transition: all var(--transition-fast);
}

.download-link:hover {
  background: var(--redstone-dim);
  box-shadow: 0 0 10px var(--redstone-dark);
}

/* Mission Log */
.mission-log {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-sm);
  font-size: 0.7rem;
}

.log-entry {
  padding: var(--spacing-xs) var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  border-left: 2px solid var(--border-color);
  color: var(--text-muted);
}

.log-entry.attempt { border-color: var(--amethyst-dim); }
.log-entry.hint { border-color: var(--gold-dim); }
.log-entry.success { border-color: var(--emerald); color: var(--emerald); }
.log-entry.error { border-color: var(--error); }
.log-entry.warning { border-color: var(--warning); color: var(--warning); }
.log-entry.system { border-color: var(--text-dim); }

.log-time {
  color: var(--text-dim);
  margin-right: var(--spacing-xs);
}

/* Workbench Tools */
.workbench-tools {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-sm);
}

.tool-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  background: var(--slate-dark);
  border: var(--border-width) solid var(--border-color);
  border-radius: 2px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tool-item:hover {
  border-color: var(--redstone-dim);
  background: var(--slate-mid);
}

.tool-item.locked {
  opacity: 0.4;
  cursor: not-allowed;
}

.tool-icon {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--redstone);
}

.tool-label {
  flex: 1;
}

.tool-unlock {
  font-size: 0.6rem;
  color: var(--text-dim);
}

/* ═══════════════════════════════════════════════════════════════
   MODALS
   ═══════════════════════════════════════════════════════════════ */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--spacing-md);
}

.modal-content {
  background: var(--slate-darker);
  border: var(--border-width) solid var(--border-color);
  border-radius: 4px;
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  background: var(--slate-dark);
  border-bottom: var(--border-width) solid var(--border-color);
  font-size: 0.8rem;
  color: var(--text-primary);
  letter-spacing: 1px;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

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

.modal-body {
  padding: var(--spacing-lg);
}

/* Tool Modal */
.tool-modal-content {
  max-width: 600px;
}

.tool-description {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: var(--border-width) solid var(--border-color);
}

.tool-output {
  background: var(--slate-darkest);
  border: var(--border-width) solid var(--border-color);
  border-radius: 2px;
  padding: var(--spacing-md);
  font-size: 0.8rem;
  min-height: 100px;
  white-space: pre-wrap;
  word-break: break-all;
}

.tool-stats {
  margin-top: var(--spacing-md);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.tool-stat {
  background: var(--slate-dark);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 2px;
  font-size: 0.75rem;
}

.tool-stat-label {
  color: var(--text-muted);
  margin-right: var(--spacing-xs);
}

.tool-stat-value {
  color: var(--amethyst);
  font-weight: 600;
}

/* Reference Tables */
.reference-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  margin-top: var(--spacing-md);
}

.reference-table th,
.reference-table td {
  padding: var(--spacing-sm);
  text-align: left;
  border: var(--border-width) solid var(--border-color);
}

.reference-table th {
  background: var(--slate-dark);
  color: var(--amethyst);
  font-weight: 600;
}

.reference-table td {
  background: var(--slate-darkest);
  color: var(--text-secondary);
}

/* Admin Modal */
.admin-modal-content {
  max-width: 400px;
}

.admin-warning {
  color: var(--warning);
  font-size: 0.85rem;
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: rgba(245, 158, 11, 0.1);
  border: var(--border-width) solid var(--warning);
  border-radius: 2px;
}

/* Decrypt Modal */
.decrypt-modal-content {
  max-width: 600px;
  background: var(--slate-darkest);
  border-color: var(--emerald);
  box-shadow: 0 0 60px var(--emerald-dark);
}

.decrypt-sequence {
  padding: var(--spacing-xl);
  text-align: center;
}

.decrypt-step {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  opacity: 0;
  animation: fadeIn 0.5s forwards;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

.decrypt-progress {
  height: 8px;
  background: var(--slate-dark);
  border-radius: 4px;
  overflow: hidden;
  margin: var(--spacing-lg) 0;
}

.decrypt-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--emerald-dim), var(--emerald));
  width: 0%;
  transition: width 0.1s linear;
  box-shadow: 0 0 10px var(--emerald);
}

.decrypt-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--emerald);
  letter-spacing: 4px;
  margin: var(--spacing-lg) 0;
  text-shadow: 0 0 20px var(--emerald);
}

.decrypt-number span {
  display: inline-block;
  min-width: 1.2rem;
}

.decrypt-char-scramble {
  animation: scramble 0.1s infinite;
}

@keyframes scramble {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.decrypt-complete-btn {
  margin-top: var(--spacing-lg);
}

/* Mission Complete Modal */
.complete-modal-content {
  max-width: 700px;
  background: linear-gradient(180deg, var(--slate-darker) 0%, var(--slate-darkest) 100%);
  border-color: var(--emerald);
  box-shadow: 0 0 80px var(--emerald-dark), 0 0 120px rgba(16, 185, 129, 0.2);
}

.complete-sequence {
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
}

.complete-header {
  margin-bottom: var(--spacing-xl);
}

.complete-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--spacing-lg);
  filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.5));
  animation: logo-breathe 6s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 40px var(--emerald-dark); }
  50% { box-shadow: 0 0 60px var(--emerald), 0 0 80px var(--emerald-dark); }
}

.complete-title {
  font-family: var(--font-pixel);
  font-size: 0.9rem;
  color: var(--emerald);
  text-shadow: 0 0 20px var(--emerald-dark);
  letter-spacing: 2px;
  margin-bottom: var(--spacing-sm);
}

.complete-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.complete-tracking {
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg);
  background: var(--slate-dark);
  border: 1px solid var(--emerald-dim);
  border-radius: 4px;
}

.complete-tracking-label {
  font-size: 0.7rem;
  color: var(--emerald);
  letter-spacing: 2px;
  margin-bottom: var(--spacing-sm);
}

.complete-tracking-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 3px;
  text-shadow: 0 0 10px var(--emerald-dark);
}

.complete-message {
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg);
  background: rgba(168, 85, 247, 0.1);
  border-left: 3px solid var(--amethyst);
  text-align: left;
}

.complete-message p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.complete-message p:last-child {
  margin-bottom: 0;
}

.complete-message .highlight {
  color: var(--amethyst);
  font-weight: 600;
}

.complete-message .signature {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--gold);
  text-align: right;
}

.complete-footer {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.complete-close-btn {
  background: linear-gradient(180deg, var(--emerald-dim) 0%, var(--emerald-dark) 100%);
  border-color: var(--emerald);
}

.complete-close-btn:hover {
  background: linear-gradient(180deg, var(--emerald) 0%, var(--emerald-dim) 100%);
  box-shadow: 0 0 20px var(--emerald-dark);
}

/* Read-Only Mode */
.phase-content.readonly .submit-btn,
.phase-content.readonly input,
.phase-content.readonly textarea,
.phase-content.readonly select,
.phase-content.readonly .choice-option {
  pointer-events: none;
  opacity: 0.5;
}

.readonly-badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--slate-light);
  color: var(--text-muted);
  font-size: 0.65rem;
  border-radius: 2px;
  margin-left: var(--spacing-sm);
  letter-spacing: 1px;
}

/* ═══════════════════════════════════════════════════════════════
   MUSIC TOGGLE
   ═══════════════════════════════════════════════════════════════ */

.music-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: transparent;
  border: 1px solid var(--slate-light);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.music-toggle:hover {
  background: var(--slate-dark);
  border-color: var(--amethyst-dim);
}

.music-toggle.playing {
  border-color: var(--amethyst);
  background: rgba(168, 85, 247, 0.1);
}

.music-toggle svg {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.music-toggle.playing svg {
  color: var(--amethyst);
}

.music-status {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.music-toggle.playing .music-status {
  color: var(--amethyst);
}

.youtube-hidden {
  position: fixed;
  top: -9999px;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════════
   FINAL SCREEN (Permanent End State)
   ═══════════════════════════════════════════════════════════════ */

.final-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--slate-darkest) 0%, #0d1117 50%, var(--slate-darkest) 100%);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.final-screen.visible {
  opacity: 1;
}

.final-container {
  max-width: 600px;
  width: 90%;
  text-align: center;
  padding: var(--spacing-xl);
}

.final-logo {
  width: 180px;
  height: 180px;
  margin: 0 auto var(--spacing-lg);
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.6));
  animation: logo-breathe 6s ease-in-out infinite;
}

.final-header {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--emerald);
  letter-spacing: 3px;
  margin-bottom: var(--spacing-xl);
  text-shadow: 0 0 20px var(--emerald-dim);
}

.final-tracking-section {
  background: linear-gradient(135deg, var(--slate-dark), var(--slate-darker));
  border: 2px solid var(--gold);
  border-radius: 8px;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: 0 0 30px var(--gold-dim);
}

.final-tracking-label {
  font-size: 0.75rem;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: var(--spacing-sm);
}

.final-tracking-number {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 3px;
  margin-bottom: var(--spacing-md);
  word-break: break-all;
}

.final-copy-btn {
  background: transparent;
  border: 1px solid var(--gold-dim);
  color: var(--gold);
  padding: 8px 16px;
  font-size: 0.7rem;
  letter-spacing: 1px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.final-copy-btn:hover {
  background: var(--gold-dim);
  color: var(--slate-darkest);
}

.final-instructions {
  text-align: left;
  background: var(--slate-darker);
  border: 1px solid var(--slate-light);
  border-radius: 8px;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.final-instructions-title {
  font-size: 0.8rem;
  color: var(--amethyst);
  letter-spacing: 2px;
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.final-steps {
  margin: 0;
  padding-left: var(--spacing-lg);
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
}

.final-steps li {
  margin-bottom: var(--spacing-sm);
}

.final-steps li::marker {
  color: var(--amethyst);
}

.final-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.final-action-btn {
  display: block;
  padding: 14px 24px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-decoration: none;
  text-align: center;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  font-family: var(--font-mono);
}

.final-action-btn.primary {
  background: linear-gradient(135deg, var(--emerald), var(--emerald-dim));
  color: var(--slate-darkest);
  box-shadow: 0 4px 20px var(--emerald-dim);
}

.final-action-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px var(--emerald-dim);
}

.final-action-btn.secondary {
  background: transparent;
  border: 1px solid var(--redstone-dim);
  color: var(--redstone);
}

.final-action-btn.secondary:hover {
  background: var(--redstone-dim);
  color: var(--text-primary);
}

.final-action-btn.tertiary {
  background: transparent;
  border: 1px solid var(--slate-light);
  color: var(--text-muted);
}

.final-action-btn.tertiary:hover {
  border-color: var(--text-secondary);
  color: var(--text-secondary);
}

.final-footer {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ═══════════════════════════════════════════════════════════════
   TOOL UNLOCK NOTIFICATION
   ═══════════════════════════════════════════════════════════════ */

.tool-notification {
  position: fixed;
  top: 80px;
  right: -400px;
  width: 320px;
  background: linear-gradient(135deg, var(--slate-dark), var(--slate-darker));
  border: 2px solid var(--gold);
  border-radius: 4px;
  padding: var(--spacing-md);
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 20px var(--gold-dim);
  z-index: 9999;
  transition: right 0.5s ease;
}

.tool-notification.show {
  right: 20px;
}

.tool-notification-icon {
  width: 50px;
  height: 50px;
  background: var(--slate-darkest);
  border: 2px solid var(--gold);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--gold);
  font-family: var(--font-mono);
  font-weight: bold;
  flex-shrink: 0;
}

.tool-notification-content {
  flex: 1;
}

.tool-notification-title {
  font-size: 0.7rem;
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 4px;
}

.tool-notification-name {
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 4px;
}

.tool-notification-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

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

@media (max-width: 1024px) {
  .sidebar-left,
  .sidebar-right {
    width: 180px;
  }
}

@media (max-width: 768px) {
  .main-content {
    flex-direction: column;
  }

  .sidebar-left {
    width: 100%;
    border-right: none;
    border-bottom: var(--border-width) solid var(--border-color);
  }

  .sidebar-right {
    width: 100%;
    border-left: none;
    border-top: var(--border-width) solid var(--border-color);
    flex-direction: row;
  }

  .sidebar-section {
    flex: 1;
  }

  .sidebar-section:first-child {
    border-bottom: none;
    border-right: var(--border-width) solid var(--border-color);
  }

  .phase-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }

  .phase-item {
    flex: 0 0 auto;
    margin-bottom: 0;
  }

  .phase-label {
    display: none;
  }

  .top-bar {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
  }

  .top-bar-left,
  .top-bar-center,
  .top-bar-right {
    justify-content: center;
  }

  .top-bar-center {
    order: -1;
    width: 100%;
    padding-bottom: var(--spacing-xs);
    border-bottom: var(--border-width) solid var(--border-color);
  }

  .mission-log,
  .workbench-tools {
    max-height: 150px;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 12px;
  }

  .login-header h1 {
    font-size: 0.55rem;
  }

  .phase-content {
    padding: var(--spacing-md);
  }

  .decrypt-number {
    font-size: 1.4rem;
    letter-spacing: 2px;
  }
}

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

@keyframes glow-pulse {
  0%, 100% {
    box-shadow: 0 0 5px currentColor;
  }
  50% {
    box-shadow: 0 0 20px currentColor;
  }
}

.glow-animation {
  animation: glow-pulse 2s infinite;
}