:root {
  color-scheme: dark;
  --claw-gold: #f5d76e;
  --claw-gold-strong: #d4af37;
  --claw-surface: rgba(23, 23, 23, 0.86);
  --control-size: clamp(48px, 8.5vmin, 60px);
}

* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; padding: 0; margin: 0; overflow: hidden; background: #231f20; overscroll-behavior: none; }
body { font-family: "Segoe UI", Arial, sans-serif; }
button, input { font: inherit; }

#unity-container { position: absolute; }
#unity-container.unity-desktop { left: 50%; top: 50%; transform: translate(-50%, -50%); }
#unity-container.unity-mobile { position: fixed; inset: 0; width: 100vw; height: 100vh; width: 100dvw; height: 100dvh; }
#unity-canvas { display: block; background: #231f20; touch-action: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; outline: none; }
.unity-mobile #unity-canvas { width: 100%; height: 100%; }
#unity-canvas:focus-visible { outline: 3px solid var(--claw-gold); outline-offset: -3px; }

#claw-settings { position: absolute; z-index: 20; top: 96px; left: 14px; width: 190px; padding: 10px; border: 2px solid var(--claw-gold-strong); border-radius: 12px; background: var(--claw-surface); color: #fff; box-shadow: 0 6px 18px rgba(0, 0, 0, 0.34); opacity: 0; pointer-events: none; transition: opacity 180ms ease, width 180ms ease; }
#claw-settings.ready { opacity: 1; pointer-events: auto; }
#claw-settings-toggle { width: 100%; min-height: 34px; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 3px 5px; border: 0; background: transparent; color: var(--claw-gold); font-size: 15px; font-weight: 800; text-align: left; letter-spacing: 0.08em; cursor: pointer; }
#claw-settings-toggle:focus-visible { border-radius: 7px; outline: 3px solid rgba(245, 215, 110, 0.65); }
.claw-settings-chevron { transition: transform 180ms ease; }
#claw-settings.collapsed { width: 138px; }
#claw-settings.collapsed #claw-settings-body { display: none; }
#claw-settings.collapsed .claw-settings-chevron { transform: rotate(-90deg); }
.claw-setting-row { min-height: 44px; display: flex; align-items: center; justify-content: space-between; gap: 8px; color: #fff; font-size: 14px; font-weight: 600; }
.claw-setting-row input { width: 70px; height: 36px; border: 2px solid #737373; border-radius: 8px; background: #fff; color: #171717; font-weight: 700; font-size: 16px; text-align: center; }
.claw-setting-row input:focus { border-color: var(--claw-gold-strong); outline: 3px solid rgba(212, 175, 55, 0.35); }
#claw-total-length { display: block; padding-top: 6px; border-top: 1px solid #737373; color: var(--claw-gold); font-size: 12px; font-weight: 600; text-align: center; }

#gesture-hint { position: absolute; z-index: 25; top: max(12px, env(safe-area-inset-top)); left: 50%; transform: translateX(-50%); min-height: 36px; display: flex; align-items: center; padding: 7px 14px; border: 1px solid rgba(245, 215, 110, 0.72); border-radius: 999px; background: rgba(15, 23, 42, 0.74); color: #fff; font-size: 14px; font-weight: 700; white-space: nowrap; box-shadow: 0 4px 14px rgba(0, 0, 0, 0.26); opacity: 0; pointer-events: none; transition: opacity 220ms ease; }
#gesture-hint.ready { opacity: 1; }

#mobile-controls { display: none; position: absolute; z-index: 30; inset: 0; opacity: 0; pointer-events: none; transition: opacity 180ms ease; }
.unity-mobile #mobile-controls { display: block; }
.unity-mobile #mobile-controls.ready { opacity: 1; }
.mobile-dpad { position: absolute; left: max(12px, env(safe-area-inset-left)); bottom: max(12px, env(safe-area-inset-bottom)); display: grid; grid-template: repeat(3, var(--control-size)) / repeat(3, var(--control-size)); gap: 4px; pointer-events: none; }
.mobile-control-button, #mobile-grab-button { display: flex; align-items: center; justify-content: center; border: 2px solid rgba(245, 215, 110, 0.92); color: #fff; background: rgba(15, 23, 42, 0.68); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.34), inset 0 1px rgba(255, 255, 255, 0.14); cursor: pointer; touch-action: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; pointer-events: auto; transition: background-color 160ms ease, border-color 160ms ease, opacity 160ms ease; }
.mobile-control-button { width: var(--control-size); height: var(--control-size); border-radius: 14px; }
.mobile-control-button svg { width: 62%; height: 62%; fill: currentColor; filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.42)); pointer-events: none; }
.direction-up { grid-column: 2; grid-row: 1; }
.direction-left { grid-column: 1; grid-row: 2; }
.direction-right { grid-column: 3; grid-row: 2; }
.direction-down { grid-column: 2; grid-row: 3; }
.mobile-control-button.is-pressed, .mobile-control-button:active { border-color: #fff0a6; background: rgba(202, 138, 4, 0.9); }
.mobile-control-button:focus-visible, #mobile-grab-button:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }

#mobile-grab-button { position: absolute; right: max(18px, env(safe-area-inset-right)); bottom: max(30px, calc(env(safe-area-inset-bottom) + 18px)); width: clamp(72px, 12vmin, 88px); height: clamp(72px, 12vmin, 88px); border-color: rgba(254, 202, 202, 0.96); border-radius: 50%; background: rgba(185, 28, 28, 0.8); font-size: clamp(17px, 3.2vmin, 22px); font-weight: 800; letter-spacing: 0.08em; text-shadow: 0 1px 2px rgba(0, 0, 0, 0.55); }
#mobile-grab-button.is-pressed, #mobile-grab-button:active { border-color: #fff; background: rgba(239, 68, 68, 0.98); }

#unity-loading-bar { position: absolute; z-index: 40; left: 50%; top: 50%; width: min(260px, 70vw); transform: translate(-50%, -50%); display: none; }
#unity-loading-title { margin-bottom: 12px; color: var(--claw-gold); font-size: 18px; font-weight: 800; letter-spacing: 0.12em; text-align: center; }
#unity-progress-bar-empty { width: 100%; height: 16px; padding: 3px; border: 1px solid rgba(245, 215, 110, 0.78); border-radius: 999px; background: rgba(0, 0, 0, 0.45); overflow: hidden; }
#unity-progress-bar-full { width: 0%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #ca8a04, #f5d76e); transition: width 120ms linear; }
#unity-warning { position: absolute; z-index: 50; left: 50%; top: max(8px, env(safe-area-inset-top)); width: min(90%, 720px); transform: translateX(-50%); display: none; }
#unity-warning > div { margin-bottom: 6px; padding: 10px 14px; border-radius: 8px; color: #171717; background: #fff; }
#unity-warning .unity-warning { background: #fde68a; }
#unity-warning .unity-error { color: #fff; background: #b91c1c; }

@media (max-height: 480px), (max-width: 720px) {
  #claw-settings { top: max(10px, env(safe-area-inset-top)); left: max(10px, env(safe-area-inset-left)); width: 176px; padding: 8px; }
  #claw-settings.collapsed { width: 128px; }
  #claw-settings-toggle { font-size: 13px; }
  .claw-setting-row { min-height: 42px; font-size: 13px; }
  .claw-setting-row input { width: 66px; height: 34px; font-size: 15px; }
}

@media (max-height: 360px) {
  :root { --control-size: 48px; }
  #claw-settings { width: 168px; }
  #claw-settings.collapsed { width: 124px; }
  .claw-setting-row { min-height: 36px; }
  .claw-setting-row input { width: 62px; height: 32px; }
  #mobile-grab-button { width: 68px; height: 68px; bottom: max(16px, env(safe-area-inset-bottom)); }
}

@media (prefers-reduced-motion: reduce) {
  #claw-settings, .claw-settings-chevron, #gesture-hint, #mobile-controls, .mobile-control-button, #mobile-grab-button, #unity-progress-bar-full { transition: none; }
}