/* ==============================================
   LIVORNO, 2186 — Style
   1990s Corporate Stock Photography Aesthetic
   ============================================== */

:root {
  --bg-beige: #F5EDE0;
  --bg-cream: #FFF8E7;
  --carpet: #D4C5B2;
  --wood: #8B6914;
  --wood-dark: #6B4F12;
  --teal: #5B8A8C;
  --teal-light: #8FBCBC;
  --teal-dark: #3D6062;
  --burgundy: #8B3A3A;
  --navy: #2C3E50;
  --grey: #A0A0A0;
  --grey-light: #D0D0D0;
  --paper: #FEFDF7;
  --ink-blue: #1a2744;
  --urgent-red: #CC3333;
  --memo-pink: #FFE4E1;
  --highlighter: #FFFACD;
  --coffee: #6F4E37;
  --plant: #4A7C59;
  --gold: #C4A43E;
}

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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--bg-beige);
  font-family: 'Courier Prime', 'Courier New', monospace;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
}

canvas {
  display: block;
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  image-rendering: auto;
}

/* ----- Overlays ----- */
.overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  background: rgba(30, 25, 15, 0.85);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.overlay.hidden { display: none !important; }

/* ----- Main Menu ----- */
.menu-container {
  background: linear-gradient(135deg, var(--bg-cream) 0%, var(--bg-beige) 100%);
  border: 8px double var(--wood);
  padding: 3rem 3.5rem;
  max-width: 540px;
  width: 90%;
  text-align: center;
  box-shadow:
    0 0 0 2px var(--wood-dark),
    0 0 0 6px var(--bg-cream),
    0 0 0 8px var(--wood),
    8px 8px 0 rgba(0,0,0,0.2),
    16px 16px 32px rgba(0,0,0,0.4);
  position: relative;
}

.menu-watermark {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'Special Elite', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--teal);
  opacity: 0.5;
  text-transform: uppercase;
}

.game-title {
  margin: 1.5rem 0 0.25rem;
  line-height: 1;
}

.title-line-1 {
  display: block;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 3rem;
  letter-spacing: 0.08em;
  color: var(--navy);
  text-transform: uppercase;
}

.title-line-2 {
  display: block;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 5rem;
  letter-spacing: 0.05em;
  color: var(--teal);
  text-shadow: 3px 3px 0 var(--wood);
  line-height: 0.9;
}

.subtitle {
  font-family: 'Courier Prime', monospace;
  font-size: 0.85rem;
  color: var(--burgundy);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  opacity: 0.8;
}

.menu-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: var(--paper);
  border: 2px solid var(--teal);
  font-family: 'Courier Prime', monospace;
  font-size: 1rem;
  color: var(--ink-blue);
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
  outline: none;
}

.menu-btn:hover, .menu-btn:focus-visible {
  background: var(--highlighter);
  border-color: var(--wood);
  transform: translateX(4px);
  box-shadow: -4px 0 0 var(--teal-light);
}

.menu-btn:active {
  transform: translateX(2px);
  box-shadow: -2px 0 0 var(--teal-light);
}

.menu-btn.secondary {
  background: transparent;
  border: 1px dashed var(--grey);
  color: var(--grey);
  font-size: 0.85rem;
}

.menu-btn.secondary:hover, .menu-btn.secondary:focus-visible {
  background: rgba(91,138,140,0.1);
  border-color: var(--teal);
  color: var(--teal-dark);
}

.btn-icon { font-size: 1.2rem; min-width: 1.5rem; text-align: center; }
.btn-label { flex: 1; text-align: left; }

.menu-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px dashed var(--grey-light);
}

.version {
  font-family: 'Cutive Mono', monospace;
  font-size: 0.7rem;
  color: var(--grey);
}

.menu-actions { display: flex; gap: 0.5rem; }

.icon-btn {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  border: 1px solid var(--grey-light);
  font-size: 1rem;
  cursor: pointer;
  color: var(--navy);
  transition: all 0.15s ease;
  outline: none;
}

.icon-btn:hover, .icon-btn:focus-visible {
  background: var(--highlighter);
  border-color: var(--teal);
}

.menu-overlay-hint {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.5);
  font-family: 'Courier Prime', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  animation: hintPulse 2s ease-in-out infinite;
}

@keyframes hintPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.7; }
}

/* ----- Tutorial ----- */
.tutorial-container {
  background: var(--paper);
  border: 6px double var(--wood);
  padding: 2.5rem;
  max-width: 560px;
  width: 90%;
  box-shadow: 8px 8px 0 rgba(0,0,0,0.2), 16px 16px 32px rgba(0,0,0,0.4);
}

.memo-header { text-align: center; margin-bottom: 2rem; }

.memo-stamp {
  display: inline-block;
  padding: 0.25rem 1rem;
  border: 2px solid var(--urgent-red);
  color: var(--urgent-red);
  font-family: 'Special Elite', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  transform: rotate(-3deg);
  margin-bottom: 0.75rem;
}

.memo-stamp-red {
  color: var(--urgent-red);
  border-color: var(--urgent-red);
  font-size: 0.9rem;
}

.memo-header h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.8rem;
  color: var(--navy);
  letter-spacing: 0.05em;
}

.memo-sub {
  font-size: 0.8rem;
  color: var(--grey);
  font-style: italic;
}

.tutorial-steps { position: relative; min-height: 160px; }

.tutorial-step {
  display: none;
  text-align: center;
  padding: 1rem 0;
}

.tutorial-step.active { display: block; animation: fadeSlideIn 0.3s ease; }

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  color: var(--teal);
}

.tutorial-step h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.3rem;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.tutorial-step p {
  font-size: 0.9rem;
  color: var(--ink-blue);
  line-height: 1.5;
}

.tutorial-step strong {
  color: var(--teal-dark);
  font-weight: 700;
}

.tutorial-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.5rem;
}

.tutorial-nav-btn {
  background: var(--paper);
  border: 2px solid var(--teal);
  padding: 0.5rem 1rem;
  font-family: 'Courier Prime', monospace;
  font-size: 0.85rem;
  color: var(--ink-blue);
  cursor: pointer;
  transition: all 0.15s ease;
}

.tutorial-nav-btn:hover:not(:disabled) {
  background: var(--highlighter);
}

.tutorial-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  border-color: var(--grey-light);
}

.tutorial-dots {
  display: flex;
  gap: 0.4rem;
}

.tutorial-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--grey-light);
  display: inline-block;
}

.tutorial-dot.active { background: var(--teal); }

.skip-btn {
  display: block;
  margin: 1.5rem auto 0;
  background: none;
  border: none;
  font-family: 'Courier Prime', monospace;
  font-size: 0.8rem;
  color: var(--grey);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.skip-btn:hover { color: var(--teal-dark); }

/* ----- Level Up ----- */
.levelup-container {
  background: var(--paper);
  border: 6px double var(--wood);
  padding: 2rem;
  max-width: 700px;
  width: 95%;
  text-align: center;
  box-shadow: 8px 8px 0 rgba(0,0,0,0.2), 16px 16px 32px rgba(0,0,0,0.4);
}

.levelup-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.8rem;
  color: var(--navy);
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.levelup-sub {
  font-size: 0.8rem;
  color: var(--grey);
  font-style: italic;
  margin-bottom: 1.5rem;
}

.levelup-cards {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.levelup-card {
  flex: 1;
  min-width: 140px;
  max-width: 200px;
  background: var(--bg-cream);
  border: 2px solid var(--grey-light);
  padding: 1.25rem 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  position: relative;
}

.levelup-card:hover, .levelup-card:focus-visible {
  border-color: var(--teal);
  background: var(--highlighter);
  transform: translateY(-4px);
  box-shadow: 0 6px 0 var(--teal-dark);
  outline: none;
}

.levelup-card .card-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.levelup-card .card-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: 0.25rem;
}

.levelup-card .card-desc {
  font-size: 0.7rem;
  color: var(--grey);
  line-height: 1.3;
}

.levelup-card .card-level {
  position: absolute;
  top: 6px;
  right: 8px;
  font-size: 0.65rem;
  color: var(--teal);
  font-weight: 700;
}

.levelup-card .card-rarity {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--wood);
  margin-top: 0.5rem;
}

/* ----- Game Over ----- */
.gameover-container {
  background: var(--paper);
  border: 8px double var(--wood-dark);
  padding: 2.5rem;
  max-width: 480px;
  width: 90%;
  text-align: center;
  box-shadow: 8px 8px 0 rgba(0,0,0,0.2), 16px 16px 32px rgba(0,0,0,0.4);
}

.gameover-container h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.8rem;
  color: var(--navy);
  margin: 0.75rem 0 1.5rem;
}

.gameover-stats {
  background: var(--bg-cream);
  border: 1px solid var(--grey-light);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0;
  font-family: 'Cutive Mono', monospace;
  font-size: 0.85rem;
  border-bottom: 1px dotted var(--grey-light);
}

.stat-row:last-child { border-bottom: none; }

.stat-row-highlight {
  font-weight: 700;
  color: var(--burgundy);
  font-size: 1rem;
}

.new-highscore {
  background: var(--highlighter);
  border: 2px solid var(--gold);
  padding: 0.5rem 1rem;
  margin-bottom: 1.5rem;
  font-family: 'Special Elite', monospace;
  font-size: 0.85rem;
  color: var(--wood-dark);
  animation: newHighScorePulse 0.8s ease-in-out infinite;
}

@keyframes newHighScorePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

.gameover-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ----- Leaderboard ----- */
.leaderboard-container {
  background: var(--paper);
  border: 8px double var(--wood);
  padding: 2.5rem;
  max-width: 520px;
  width: 90%;
  text-align: center;
  box-shadow: 8px 8px 0 rgba(0,0,0,0.2), 16px 16px 32px rgba(0,0,0,0.4);
}

.leaderboard-container h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  color: var(--navy);
  letter-spacing: 0.05em;
}

.leaderboard-table-wrapper {
  max-height: 300px;
  overflow-y: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--grey-light);
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  font-family: 'Cutive Mono', monospace;
  font-size: 0.85rem;
}

.leaderboard-table th {
  background: var(--teal-dark);
  color: var(--paper);
  padding: 0.5rem;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

.leaderboard-table td {
  padding: 0.5rem;
  border-bottom: 1px solid var(--grey-light);
  color: var(--ink-blue);
}

.leaderboard-table tr:nth-child(even) td {
  background: var(--bg-cream);
}

.leaderboard-table tr.highlight td {
  background: var(--highlighter);
  font-weight: 700;
}

.name-entry {
  margin: 1rem 0;
}

.name-entry p {
  font-family: 'Courier Prime', monospace;
  font-size: 0.9rem;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.name-input {
  width: 80px;
  padding: 0.5rem;
  font-family: 'Special Elite', monospace;
  font-size: 1.5rem;
  text-align: center;
  background: var(--bg-cream);
  border: 2px solid var(--teal);
  color: var(--ink-blue);
  outline: none;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.name-input:focus {
  border-color: var(--wood);
  box-shadow: 0 0 0 3px rgba(139,105,20,0.2);
}

/* ----- Settings ----- */
.settings-container {
  background: var(--paper);
  border: 8px double var(--wood);
  padding: 2.5rem;
  max-width: 440px;
  width: 90%;
  text-align: center;
  box-shadow: 8px 8px 0 rgba(0,0,0,0.2), 16px 16px 32px rgba(0,0,0,0.4);
}

.settings-container h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  color: var(--navy);
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px dotted var(--grey-light);
  font-family: 'Courier Prime', monospace;
  font-size: 0.9rem;
  color: var(--ink-blue);
}

.volume-slider {
  width: 120px;
  accent-color: var(--teal);
}

.toggle-label {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
  cursor: pointer;
}

.toggle-label input { opacity: 0; width: 0; height: 0; }

.toggle-indicator {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--grey-light);
  border-radius: 13px;
  transition: 0.2s;
}

.toggle-indicator::before {
  content: '';
  position: absolute;
  height: 20px; width: 20px;
  left: 3px; bottom: 3px;
  background: var(--paper);
  border-radius: 50%;
  transition: 0.2s;
}

.toggle-label input:checked + .toggle-indicator {
  background: var(--teal);
}

.toggle-label input:checked + .toggle-indicator::before {
  transform: translateX(22px);
}

.difficulty-select {
  padding: 0.3rem 0.5rem;
  font-family: 'Courier Prime', monospace;
  font-size: 0.85rem;
  border: 1px solid var(--grey-light);
  background: var(--paper);
  color: var(--ink-blue);
  cursor: pointer;
}

/* ----- Pause ----- */
.pause-container {
  background: var(--paper);
  border: 6px double var(--wood);
  padding: 3rem;
  max-width: 380px;
  width: 85%;
  text-align: center;
  box-shadow: 8px 8px 0 rgba(0,0,0,0.2), 16px 16px 32px rgba(0,0,0,0.4);
}

.pause-container h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  color: var(--coffee);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.pause-container p {
  font-family: 'Courier Prime', monospace;
  font-size: 0.9rem;
  color: var(--grey);
  margin-bottom: 2rem;
  font-style: italic;
}

/* ----- HUD ----- */
#hud {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  pointer-events: none;
  z-index: 5;
}

#hud.hidden { display: none; }

.hud-top {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 0.75rem 1rem 0;
  font-family: 'Cutive Mono', monospace;
  font-size: 0.85rem;
  color: var(--ink-blue);
}

.hud-timer {
  background: var(--paper);
  border: 1px solid var(--grey-light);
  padding: 0.25rem 0.75rem;
}

.hud-level {
  background: var(--teal);
  color: var(--paper);
  padding: 0.25rem 0.75rem;
  font-weight: 700;
}

.hud-kills {
  background: var(--paper);
  border: 1px solid var(--grey-light);
  padding: 0.25rem 0.75rem;
}

.hud-bottom {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 280px;
}

.hud-xp-bar-container {
  background: rgba(254,253,247,0.85);
  border: 2px solid var(--wood);
  height: 20px;
  position: relative;
  overflow: hidden;
}

.hud-xp-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--teal-light), var(--teal));
  transition: width 0.2s ease;
  width: 0%;
}

.hud-xp-text {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Cutive Mono', monospace;
  font-size: 0.65rem;
  color: var(--ink-blue);
  text-shadow: 0 0 4px var(--paper);
}

.hud-weapons {
  position: fixed;
  top: 4rem;
  right: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.hud-weapon-icon {
  width: 32px; height: 32px;
  background: rgba(254,253,247,0.85);
  border: 1px solid var(--grey-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.hud-fs-btn, .hud-mute-btn {
  position: fixed;
  pointer-events: auto;
}

.hud-fs-btn {
  top: 0.5rem;
  right: 3.5rem;
}

.hud-mute-btn {
  top: 0.5rem;
  right: 0.5rem;
}

/* ----- Mobile Controls ----- */
#mobileControls {
  position: fixed;
  bottom: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 6;
}

#mobileControls.hidden { display: none; }

.joystick-container {
  position: absolute;
  bottom: 2.5rem;
  left: 2.5rem;
  pointer-events: auto;
}

.joystick-base {
  width: 120px; height: 120px;
  border-radius: 50%;
  background: rgba(44,62,80,0.2);
  border: 2px solid rgba(44,62,80,0.3);
  position: relative;
}

.joystick-stick {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(91,138,140,0.7);
  border: 2px solid rgba(44,62,80,0.5);
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  transition: background 0.1s;
}

.joystick-stick.active {
  background: rgba(139,105,20,0.8);
}

.mobile-action-btn {
  position: absolute;
  bottom: 3rem;
  right: 3rem;
  width: 64px; height: 64px;
  border-radius: 50%;
  background: rgba(139,58,58,0.6);
  border: 2px solid rgba(139,58,58,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  font-size: 1.5rem;
  color: var(--paper);
}

.mobile-action-btn.hidden { display: none; }

/* ----- Demo Hint ----- */
.demo-hint {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.6);
  font-family: 'Courier Prime', monospace;
  font-size: 1rem;
  letter-spacing: 0.15em;
  z-index: 11;
  animation: hintPulse 1.5s ease-in-out infinite;
  pointer-events: none;
}

.demo-hint.hidden { display: none; }

/* ----- Stock Photo Flash ----- */
.stock-photo-flash {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--paper);
  z-index: 20;
  pointer-events: none;
  transition: opacity 0.3s ease;
  opacity: 0;
}

.stock-photo-flash.active {
  opacity: 1;
  animation: flashPop 0.4s ease-out;
}

@keyframes flashPop {
  0% { opacity: 0; }
  30% { opacity: 1; }
  100% { opacity: 0; }
}

/* ----- Kettle Alert ----- */
.kettle-alert {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Special Elite', monospace;
  font-size: 1.5rem;
  color: var(--coffee);
  z-index: 7;
  pointer-events: none;
  text-shadow: 0 2px 8px var(--paper);
  animation: kettleAlertIn 0.5s ease-out, kettleAlertOut 0.5s ease-in 2s forwards;
  opacity: 0;
}

@keyframes kettleAlertIn {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@keyframes kettleAlertOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* ----- Responsive ----- */
@media (max-width: 600px) {
  .menu-container {
    padding: 2rem 1.5rem;
    border-width: 4px;
  }

  .title-line-1 { font-size: 2rem; }
  .title-line-2 { font-size: 3.5rem; }

  .tutorial-container {
    padding: 1.5rem;
    border-width: 4px;
  }

  .levelup-cards { flex-direction: column; align-items: center; }
  .levelup-card { max-width: 100%; width: 100%; }

  .gameover-container, .leaderboard-container, .settings-container, .pause-container {
    padding: 1.5rem;
    border-width: 4px;
  }

  .hud-top { gap: 1rem; font-size: 0.75rem; }
  .joystick-container { bottom: 1.5rem; left: 1.5rem; }
  .joystick-base { width: 100px; height: 100px; }
  .joystick-stick { width: 40px; height: 40px; }
}

/* ----- Scrollbar ----- */
.leaderboard-table-wrapper::-webkit-scrollbar {
  width: 6px;
}

.leaderboard-table-wrapper::-webkit-scrollbar-track {
  background: var(--bg-cream);
}

.leaderboard-table-wrapper::-webkit-scrollbar-thumb {
  background: var(--teal-light);
}