/* ============================================================
   NEON FRACTURE — Responsive CSS
   Canvas is LAST in DOM — overlays sit above it naturally.
   No z-index games needed for the start screen to be clickable.
   ============================================================ */

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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: #000;
  font-family: 'Courier New', monospace;
  user-select: none;
  -webkit-user-select: none;
  /* НЕ ставим touch-action: none на body — это блокирует клики на оверлеях.
     touch-action ставим только на canvas. */
}

/* ── Canvas — фиксирован на весь экран, самый нижний слой ── */
canvas#game {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  image-rendering: crisp-edges;
  image-rendering: -webkit-optimize-contrast;
  /* Блокируем жесты браузера только на canvas */
  touch-action: none;
  /* pointer-events: none по умолчанию — JS включает когда игра активна */
  pointer-events: none;
  z-index: 0;
}

/* ── Все оверлеи — поверх canvas ── */
#startScreen,
#platformScreen,
#introText,
#pauseMenu,
#settingsModal {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  /* pointer-events: auto — они кликабельны */
  pointer-events: auto;
}

/* ── Start Screen ── */
#startScreen {
  background: radial-gradient(ellipse at center, #0d0d1a 0%, #000 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  z-index: 30;
}

#startScreen h1 {
  color: #39FF14;
  letter-spacing: clamp(4px, 2vw, 12px);
  text-shadow: 0 0 20px #39FF14, 0 0 40px #00aaff;
  margin-bottom: clamp(20px, 4vh, 40px);
  font-size: clamp(24px, 7vw, 56px);
  text-align: center;
  animation: titlePulse 2s infinite;
}

@keyframes titlePulse {
  0%   { text-shadow: 0 0 20px #39FF14; }
  50%  { text-shadow: 0 0 40px #39FF14, 0 0 60px #00aaff; }
  100% { text-shadow: 0 0 20px #39FF14; }
}

/* ── Generic neon button ── */
.btn {
  color: #DF2531;
  font-size: clamp(14px, 3.5vw, 22px);
  border: 2px solid #DF2531;
  padding: clamp(10px, 2vh, 16px) clamp(20px, 5vw, 40px);
  text-transform: uppercase;
  letter-spacing: clamp(2px, 1vw, 5px);
  background: rgba(223, 37, 49, 0.1);
  transition: background 0.25s, box-shadow 0.25s, transform 0.2s;
  cursor: pointer;
  box-shadow: 0 0 14px rgba(223, 37, 49, 0.35);
  margin: clamp(6px, 1.2vh, 12px);
  backdrop-filter: blur(3px);
  -webkit-tap-highlight-color: transparent;
  font-family: 'Courier New', monospace;
}
.btn:hover, .btn:active {
  background: #DF2531;
  color: #000;
  box-shadow: 0 0 28px #DF2531;
  transform: scale(1.05);
}

/* ── Platform Select ── */
#platformScreen {
  background: rgba(0, 0, 0, 0.93);
  backdrop-filter: blur(12px);
  display: none;   /* показывается JS-ом */
  justify-content: center;
  align-items: center;
  z-index: 40;
  padding: 20px;
  animation: fadeIn 0.3s ease;
}

.platform-card {
  background: #080812;
  border: 2px solid #00aaff;
  border-radius: 14px;
  padding: clamp(24px, 5vw, 48px) clamp(20px, 6vw, 56px);
  text-align: center;
  box-shadow: 0 0 40px rgba(0,170,255,0.35), inset 0 0 20px rgba(0,170,255,0.05);
  max-width: 520px;
  width: 100%;
}

.platform-title {
  color: #00aaff;
  font-size: clamp(18px, 5vw, 28px);
  letter-spacing: 6px;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.platform-sub {
  color: #445566;
  font-size: clamp(11px, 2vw, 14px);
  letter-spacing: 2px;
  margin-bottom: clamp(24px, 4vh, 40px);
}

.platform-options {
  display: flex;
  gap: clamp(16px, 4vw, 32px);
  justify-content: center;
  flex-wrap: wrap;
}

.platform-btn {
  width: clamp(110px, 28vw, 150px);
  padding: clamp(16px, 3vh, 26px) 16px;
  border: 2px solid #39FF14;
  border-radius: 12px;
  cursor: pointer;
  background: rgba(57, 255, 20, 0.04);
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
  box-shadow: 0 0 12px rgba(57,255,20,0.15);
  -webkit-tap-highlight-color: transparent;
}
.platform-btn:hover, .platform-btn:active {
  background: rgba(57, 255, 20, 0.16);
  box-shadow: 0 0 28px #39FF14;
  transform: scale(1.06);
}

.platform-icon  { font-size: clamp(28px, 7vw, 44px); margin-bottom: 8px; }
.platform-label {
  color: #39FF14;
  font-size: clamp(14px, 3.5vw, 18px);
  letter-spacing: 4px;
  font-weight: bold;
  margin-bottom: 5px;
}
.platform-hint { color: #3a6a3a; font-size: clamp(10px, 2vw, 12px); letter-spacing: 1px; }

/* ── Intro Text ── */
#introText {
  display: flex;
  justify-content: center;
  align-items: center;
  color: #39FF14;
  font-size: clamp(14px, 4vw, 22px);
  pointer-events: none;
  text-shadow: 0 0 10px #39FF14, 0 0 20px #00aaff;
  opacity: 0;
  transition: opacity 0.5s;
  z-index: 20;
  padding: 0 20px;
  text-align: center;
}

.glitch-text { animation: glitch-anim 2s infinite linear alternate-reverse; }
@keyframes glitch-anim {
  0%   { transform: translate(0); opacity: 1; }
  20%  { transform: translate(-2px,  2px); text-shadow: 2px 0 #DF2531, -2px 0 #00aaff; }
  40%  { transform: translate(-2px, -2px); }
  60%  { transform: translate( 2px,  2px); }
  80%  { transform: translate( 2px, -2px); }
  100% { transform: translate(0); }
}

/* ── Pause Menu ── */
#pauseMenu {
  background: rgba(0, 0, 0, 0.86);
  backdrop-filter: blur(8px);
  display: none;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  z-index: 50;
}

.pause-card {
  background: #0c0c14;
  border: 2px solid #39FF14;
  border-radius: 12px;
  padding: clamp(20px, 4vh, 36px) clamp(24px, 6vw, 56px);
  text-align: center;
  box-shadow: 0 0 32px #39FF14, inset 0 0 12px rgba(57,255,20,0.08);
  animation: fadeIn 0.3s ease;
  max-width: 340px;
  width: 90%;
}

.pause-card h2 {
  color: #39FF14;
  margin-bottom: clamp(16px, 3vh, 28px);
  letter-spacing: 3px;
  text-transform: uppercase;
  font-size: clamp(18px, 5vw, 26px);
}

.pause-card button {
  display: block;
  width: min(200px, 80%);
  margin: clamp(8px, 1.5vh, 14px) auto;
  padding: clamp(8px, 1.5vh, 12px) 20px;
  background: transparent;
  border: 1px solid #39FF14;
  color: #39FF14;
  font-family: 'Courier New', monospace;
  font-size: clamp(13px, 3vw, 17px);
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.pause-card button:hover, .pause-card button:active {
  background: #39FF14;
  color: #000;
  box-shadow: 0 0 14px #39FF14;
  transform: scale(1.03);
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}

/* ── Settings Modal ── */
#settingsModal {
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 60;
  padding: 20px;
}

.settings-card {
  background: #0c0c14;
  border: 2px solid #39FF14;
  border-radius: 12px;
  padding: clamp(20px, 4vw, 32px);
  width: min(320px, 94vw);
  text-align: center;
  box-shadow: 0 0 28px #39FF14;
}

.settings-card h3    { color: #39FF14; margin-bottom: 4px; font-size: clamp(14px, 3.5vw, 18px); }
.settings-card label { color: #39FF14; display: block; margin: clamp(10px, 2vh, 16px) 0 4px; font-size: clamp(12px, 2.5vw, 14px); }
.settings-card input[type="range"] {
  width: 100%; background: #1a1a28;
  border: 1px solid #39FF14; padding: 4px;
  accent-color: #39FF14; border-radius: 4px;
}
.settings-card input[type="checkbox"] {
  accent-color: #39FF14; width: 18px; height: 18px;
  cursor: pointer; vertical-align: middle;
}
.settings-card button {
  margin-top: clamp(14px, 2.5vh, 22px);
  background: #39FF14; color: #000; border: none;
  padding: 9px 24px; cursor: pointer;
  font-family: 'Courier New', monospace;
  font-size: clamp(12px, 2.5vw, 14px);
  font-weight: bold; letter-spacing: 2px; border-radius: 4px;
}

/* ============================================================
   MOBILE VIRTUAL BUTTONS
   ◀ ▶ — bottom-left    ⏎ ▲ — bottom-right
   Pure CSS positioning via fixed + safe-area insets.
   ============================================================ */
:root {
  --mob-size: clamp(60px, 13vw, 88px);
  --mob-gap:  clamp(10px,  3vw, 20px);
  --mob-edge: clamp(10px,  3vw, 20px);
}

.mob-btn {
  position: fixed;
  width:  var(--mob-size);
  height: var(--mob-size);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: 'Courier New', monospace;
  font-size: calc(var(--mob-size) * 0.38);
  font-weight: bold;
  color: rgba(255,255,255,0.65);
  background: rgba(0, 0, 0, 0.45);
  border: 2px solid rgba(57, 255, 20, 0.55);
  box-shadow: 0 0 10px rgba(57,255,20,0.2);
  backdrop-filter: blur(5px);
  z-index: 70;
  cursor: pointer;
  transition: background 0.1s, box-shadow 0.1s, border-color 0.1s;
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
  user-select: none;
  pointer-events: auto;
}
.mob-btn.pressed {
  background: rgba(57, 255, 20, 0.25);
  box-shadow: 0 0 22px #39FF14;
  border-color: #39FF14;
  color: #39FF14;
}

/* Left cluster — bottom-left */
#mob-left {
  bottom: calc(var(--mob-edge) + env(safe-area-inset-bottom, 0px));
  left:   var(--mob-edge);
}
#mob-right {
  bottom: calc(var(--mob-edge) + env(safe-area-inset-bottom, 0px));
  left:   calc(var(--mob-edge) + var(--mob-size) + var(--mob-gap));
}

/* Right cluster — bottom-right */
#mob-jump {
  bottom: calc(var(--mob-edge) + env(safe-area-inset-bottom, 0px));
  right:  var(--mob-edge);
  border-color: rgba(0,170,255,0.55);
  box-shadow:   0 0 10px rgba(0,170,255,0.2);
}
#mob-jump.pressed {
  background:   rgba(0,170,255,0.25);
  box-shadow:   0 0 22px #00aaff;
  border-color: #00aaff;
  color: #00aaff;
}

#mob-rewind {
  bottom: calc(var(--mob-edge) + env(safe-area-inset-bottom, 0px));
  right:  calc(var(--mob-edge) + var(--mob-size) + var(--mob-gap));
  border-color: rgba(223,37,49,0.55);
  box-shadow:   0 0 10px rgba(223,37,49,0.2);
  font-size: calc(var(--mob-size) * 0.30);
}
#mob-rewind.pressed {
  background:   rgba(223,37,49,0.25);
  box-shadow:   0 0 22px #DF2531;
  border-color: #DF2531;
  color: #DF2531;
}

/* Landscape на маленьких экранах — уменьшаем кнопки */
@media screen and (orientation: landscape) and (max-height: 500px) {
  :root {
    --mob-size: clamp(46px, 9vh, 64px);
    --mob-gap:  clamp(6px, 2vw, 12px);
    --mob-edge: clamp(6px, 2vw, 12px);
  }
}