/* ===== Doday Arena — HUD и базовая страница ===== */

/* --- Переменные темы --- */
:root {
  --color-bg: #0b0e14;
  --color-panel: rgba(13, 17, 26, 0.78);
  --color-text: #e6ecf5;
  --color-dim: #8b96a8;
  --color-accent: #f2a33c;
  --color-accent-soft: rgba(242, 163, 60, 0.35);
  --color-track: rgba(255, 255, 255, 0.08);
  --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu,
    "Helvetica Neue", Arial, sans-serif;
  --mono-stack: ui-monospace, SFMono-Regular, Menlo, Consolas,
    "Liberation Mono", monospace;

  /* Safe-area отступы для мобильных устройств */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
}

/* --- Сброс и база --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-stack);
  font-size: 16px;

  /* Запрет выделения и стандартных жестов */
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
  overscroll-behavior: none;
}

/* --- Игровой canvas на весь экран --- */
#game {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  outline: none;
}

/* ===== Экран загрузки ===== */
#loading-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding:
    calc(32px + var(--safe-top))
    calc(32px + var(--safe-right))
    calc(32px + var(--safe-bottom))
    calc(32px + var(--safe-left));
  background:
    radial-gradient(120% 90% at 50% 0%, #141b29 0%, var(--color-bg) 70%);
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

#loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

#loading-screen .loading-title {
  font-size: clamp(28px, 6vw, 52px);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  text-shadow: 0 0 24px var(--color-accent-soft);
}

#loading-screen .loading-subtitle {
  font-size: 14px;
  color: var(--color-dim);
  letter-spacing: 0.06em;
}

#loading-screen .loading-bar {
  width: min(420px, 70vw);
  height: 8px;
  border-radius: 999px;
  background: var(--color-track);
  overflow: hidden;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
}

#loading-screen .loading-bar-fill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #c9772a, var(--color-accent));
  box-shadow: 0 0 12px var(--color-accent-soft);
  transition: width 0.2s ease-out;
}

#loading-screen .loading-percent {
  font-family: var(--mono-stack);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
}

/* ===== Слой HUD ===== */
#hud {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  font-family: var(--font-stack);
}

/* --- Прицел --- */
#hud .crosshair {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-text);
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.8);
  transform: translate(-50%, -50%);
}

/* --- Здоровье (левый нижний угол с safe-area) --- */
#hud .hud-health {
  position: absolute;
  left: calc(20px + var(--safe-left));
  bottom: calc(20px + var(--safe-bottom));
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--color-panel);
  font-family: var(--mono-stack);
  font-size: 20px;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
}

#hud .hud-health.low {
  color: #ff5a5a;
}

/* --- Патроны (правый нижний угол с safe-area) --- */
#hud .hud-ammo {
  position: absolute;
  right: calc(20px + var(--safe-right));
  bottom: calc(20px + var(--safe-bottom));
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--color-panel);
  font-family: var(--mono-stack);
  font-size: 20px;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
}

#hud .hud-ammo .ammo-reserve {
  font-size: 14px;
  color: var(--color-dim);
}

/* ===== FPS-счётчик (правый верхний угол) ===== */
#fps-counter {
  position: fixed;
  top: calc(10px + var(--safe-top));
  right: calc(12px + var(--safe-right));
  z-index: 50;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.55);
  font-family: var(--mono-stack);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: #7ee787;
  pointer-events: none;
}

/* --- Виньетка урона --- */
#damage-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  opacity: 0;
  background:
    radial-gradient(100% 100% at 50% 50%, transparent 55%, rgba(200, 20, 20, 0.45) 100%);
  transition: opacity 0.25s ease-out;
}

/* --- Меню паузы / оверлей --- */
.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding:
    calc(24px + var(--safe-top))
    calc(24px + var(--safe-right))
    calc(24px + var(--safe-bottom))
    calc(24px + var(--safe-left));
  background: rgba(5, 8, 13, 0.82);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.menu-overlay.hidden {
  display: none;
}

.menu-overlay .menu-button {
  pointer-events: auto;
  min-width: 220px;
  padding: 12px 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  background: var(--color-panel);
  color: var(--color-text);
  font-family: var(--font-stack);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.menu-overlay .menu-button:hover,
.menu-overlay .menu-button:focus-visible {
  background: rgba(242, 163, 60, 0.15);
  border-color: var(--color-accent);
  outline: none;
}

.menu-overlay .menu-button:active {
  transform: translateY(1px);
}