@font-face {
  font-family: emulogic;
  src: url("../fonts/emulogic.ttf");
}

/* Page setup */
html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  --panel-border: rgba(110, 220, 255, 0.28);
  --panel-glow: rgba(72, 220, 255, 0.22);
  --panel-bg: rgba(5, 9, 24, 0.84);
  --text-main: #eff7ff;
  --text-muted: #a8bdd8;
  --accent: #64f3ff;
  --accent-strong: #1cff67;
  --danger: #ff5c7c;
  background: #050816;
  color: var(--text-main);
  font-family: Arial, Helvetica, sans-serif;
  overflow-x: hidden;
  position: relative;
}

body::before,
body::after {
  content: "";
  inset: 0;
  position: fixed;
  pointer-events: none;
}

body::before {
  background: url("../images/1700.jpg") center center / cover no-repeat;
  opacity: 0.45;
  transform: scale(1.02);
}

body::after {
  background:
    radial-gradient(circle at top, rgba(124, 48, 255, 0.2), transparent 40%),
    linear-gradient(180deg, rgba(3, 7, 18, 0.25), rgba(3, 7, 18, 0.88));
}

body[data-mode="hard"] {
  --panel-border: rgba(255, 116, 159, 0.28);
  --panel-glow: rgba(255, 88, 148, 0.25);
  --accent: #ff91d6;
  --accent-strong: #ffe566;
}

body[data-mode="hard"]::after {
  background:
    radial-gradient(circle at top, rgba(255, 84, 154, 0.22), transparent 38%),
    radial-gradient(circle at bottom left, rgba(117, 54, 255, 0.18), transparent 32%),
    linear-gradient(180deg, rgba(6, 5, 18, 0.3), rgba(4, 6, 16, 0.9));
}

/* Main layout */
.app-shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 32px;
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.menu-panel,
.game-panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.03) inset, 0 18px 50px var(--panel-glow);
  backdrop-filter: blur(8px);
}

.menu-panel {
  border-radius: 24px;
  padding: 26px 22px;
}

.game-panel {
  border-radius: 28px;
  padding: 18px;
}

/* Menu panel */
.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-family: emulogic, sans-serif;
  font-size: 0.7rem;
  letter-spacing: 1px;
}

h1 {
  margin: 0;
  color: var(--accent-strong);
  font-family: emulogic, sans-serif;
  font-size: clamp(1.4rem, 2vw, 1.9rem);
  line-height: 1.3;
}

.intro-text {
  margin: 18px 0 0;
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.96rem;
}

.mode-picker {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.mode-button,
.primary-button,
.secondary-button,
.sound-button {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.mode-button:hover,
.primary-button:hover,
.secondary-button:hover,
.sound-button:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
}

.mode-button {
  padding: 14px 12px;
  font-family: emulogic, sans-serif;
  font-size: 0.68rem;
}

.mode-button.is-active {
  background: rgba(100, 243, 255, 0.14);
  border-color: var(--accent);
}

body[data-mode="hard"] .mode-button.is-active {
  background: rgba(255, 145, 214, 0.14);
}

.mode-card {
  margin-top: 18px;
  padding: 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.mode-card h2 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.mode-card p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.menu-actions {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.primary-button,
.secondary-button {
  padding: 14px 16px;
  font-weight: 700;
}

.primary-button {
  background: linear-gradient(180deg, rgba(100, 243, 255, 0.18), rgba(100, 243, 255, 0.08));
  border-color: rgba(100, 243, 255, 0.3);
}

body[data-mode="hard"] .primary-button {
  background: linear-gradient(180deg, rgba(255, 145, 214, 0.22), rgba(255, 145, 214, 0.09));
  border-color: rgba(255, 145, 214, 0.36);
}

.menu-notes {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.menu-notes p {
  margin: 10px 0 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.menu-notes span {
  color: var(--text-main);
  font-weight: 700;
}

/* HUD and canvas */
.hud {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
  gap: 12px;
  align-items: stretch;
}

.hud-block {
  min-height: 66px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hud-block-wide {
  min-width: 0;
}

.hud-label {
  display: block;
  color: var(--text-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hud-value {
  display: block;
  margin-top: 8px;
  font-family: emulogic, sans-serif;
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--text-main);
}

.sound-button {
  padding: 0 18px;
  font-weight: 700;
  min-height: 66px;
}

.canvas-frame {
  position: relative;
  margin-top: 16px;
  padding: 18px;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(5, 11, 28, 0.72), rgba(3, 7, 19, 0.9)),
    radial-gradient(circle at top, rgba(82, 149, 255, 0.12), transparent 42%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.canvas-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 10%, transparent 90%, rgba(255, 255, 255, 0.02));
  pointer-events: none;
}

#gameCanvas {
  display: block;
  width: min(100%, 960px);
  aspect-ratio: 3 / 2;
  margin: 0 auto;
  background: #050916;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  image-rendering: pixelated;
}

.canvas-message {
  position: absolute;
  left: 50%;
  top: 28px;
  transform: translateX(-50%);
  width: min(84%, 620px);
  padding: 12px 14px;
  border-radius: 999px;
  background: rgba(8, 13, 31, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  text-align: center;
  font-size: 0.9rem;
}

.control-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  padding: 0 4px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* Responsive adjustments */
@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .hud {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sound-button {
    min-height: 56px;
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100vw - 20px, 100%);
    padding-top: 16px;
  }

  .menu-panel,
  .game-panel {
    border-radius: 20px;
  }

  .mode-picker,
  .hud {
    grid-template-columns: 1fr;
  }

  .canvas-frame {
    padding: 12px;
  }

  .canvas-message {
    top: 18px;
    width: calc(100% - 32px);
    border-radius: 16px;
  }

  .control-bar {
    flex-direction: column;
  }
}