html,body{margin:0;padding:0;background:var(--dn-bg, #030812);color:var(--dn-text, #ffffff);width:100%;height:100%;overflow:hidden;font-family:Arial,Helvetica,sans-serif;overscroll-behavior:none;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}#game-root{width:100vw;height:100vh;width:100dvw;height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);box-sizing:border-box}canvas{display:block;max-width:100%;max-height:100%;touch-action:none}button{font:inherit}.mobile-shell{position:fixed;inset:0;z-index:20;pointer-events:none;color:var(--dn-text, #ffffff)}.top-controls{position:fixed;top:max(12px,env(safe-area-inset-top));right:max(12px,env(safe-area-inset-right));display:flex;gap:8px;pointer-events:auto;z-index:30}.theme-toggle,.fullscreen-toggle,.action-btn,.dpad-btn{border:1px solid color-mix(in srgb,var(--dn-glow, #9ed8ff) 72%,transparent);background:var(--dn-button, rgba(7, 17, 31, .78));color:var(--dn-text, #ffffff);box-shadow:0 0 18px color-mix(in srgb,var(--dn-glow, #9ed8ff) 24%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);cursor:pointer;touch-action:none}.theme-toggle,.fullscreen-toggle{min-width:62px;min-height:42px;border-radius:8px;font-size:14px;font-weight:700}.orientation-message{position:fixed;top:max(62px,env(safe-area-inset-top) + 52px);left:50%;transform:translate(-50%);width:min(86vw,420px);padding:10px 14px;border:1px solid color-mix(in srgb,var(--dn-accent, #c9a45b) 70%,transparent);border-radius:8px;background:var(--dn-panel, rgba(3, 8, 18, .82));color:var(--dn-text, #ffffff);text-align:center;font-size:15px;font-weight:700;pointer-events:none;opacity:0;transition:opacity .16s ease;z-index:28}.touch-controls{position:fixed;left:max(14px,env(safe-area-inset-left));right:max(14px,env(safe-area-inset-right));bottom:max(14px,env(safe-area-inset-bottom));display:flex;align-items:end;justify-content:space-between;pointer-events:none;z-index:30}.dpad{position:relative;width:clamp(132px,24vw,174px);height:clamp(132px,24vw,174px);pointer-events:auto}.dpad-btn{position:absolute;width:34%;height:34%;border-radius:50%;font-size:clamp(16px,3.5vw,24px);font-weight:700}.dpad-up{top:0;left:33%}.dpad-left{top:33%;left:0}.dpad-right{top:33%;right:0}.dpad-down{bottom:0;left:33%}.action-pad{display:grid;grid-template-columns:repeat(2,minmax(72px,1fr));gap:8px;width:min(44vw,260px);pointer-events:auto}.action-btn{min-height:clamp(42px,8vw,56px);border-radius:8px;padding:0 10px;color:var(--dn-text, #ffffff);font-size:clamp(12px,2.5vw,15px);font-weight:800;line-height:1.1}.action-interact{grid-column:span 2;color:var(--dn-accent, #c9a45b)}.action-fortress{grid-column:span 2}@media(hover:hover)and (pointer:fine){.touch-controls{opacity:0;transition:opacity .16s ease}.touch-controls:hover,.touch-controls:focus-within{opacity:1}}@media(orientation:portrait)and (max-width:900px){.orientation-message{opacity:1}.touch-controls{bottom:max(20px,env(safe-area-inset-bottom))}.action-pad{width:min(46vw,210px);gap:6px}.dpad{width:min(36vw,144px);height:min(36vw,144px)}}@media(max-width:700px){.theme-toggle,.fullscreen-toggle{min-width:54px;min-height:38px;font-size:12px}}