:root{--ios-bg:#0b1020;--ios-surface:rgba(15,23,42,0.72);--ios-surface-elevated:rgba(30,41,59,0.74);--ios-border:rgba(148,163,184,0.28);--ios-text-primary:#f8fafc;--ios-text-secondary:#cbd5e1;--ios-text-muted:#94a3b8;--ios-accent:#60a5fa;--ios-accent-strong:#3b82f6;--ios-success:#22c55e;--ios-warning:#f59e0b;--ios-error:#ef4444;--ios-radius-lg:18px;--ios-radius-md:14px;--ios-radius-sm:10px;--ios-space-1:4px;--ios-space-2:8px;--ios-space-3:12px;--ios-space-4:16px;--ios-space-5:20px;--ios-space-6:24px;--ios-shadow-soft:0 10px 34px rgba(2,6,23,0.42);--ios-shadow-strong:0 16px 42px rgba(2,6,23,0.5);--ios-ease:cubic-bezier(0.22,1,0.36,1)}*,:after,:before{box-sizing:border-box}body{margin:0;background:radial-gradient(1200px 700px at 20% -10%,rgba(96,165,250,.16),transparent 68%),radial-gradient(1000px 620px at 85% 110%,rgba(14,116,144,.18),transparent 70%),var(--ios-bg);color:var(--ios-text-primary);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,sans-serif}.ios-panel{border-radius:var(--ios-radius-lg);border:1px solid var(--ios-border);background:linear-gradient(160deg,rgba(15,23,42,.86),rgba(30,41,59,.78));box-shadow:var(--ios-shadow-soft);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.ios-button{border:1px solid rgba(147,197,253,.35);background:linear-gradient(160deg,rgba(59,130,246,.32),rgba(37,99,235,.28));color:var(--ios-text-primary);border-radius:var(--ios-radius-sm);font-weight:600;padding:10px 14px;cursor:pointer;transition:transform .2s var(--ios-ease),background .2s var(--ios-ease),border-color .2s var(--ios-ease)}.ios-button:hover{border-color:rgba(147,197,253,.6)}.ios-button:active{transform:scale(.98)}.ios-button:focus-visible,.ios-input:focus-visible{outline:2px solid rgba(147,197,253,.9);outline-offset:2px}.ios-input{border-radius:var(--ios-radius-sm);border:1px solid var(--ios-border);background:rgba(15,23,42,.72);color:var(--ios-text-primary);padding:10px 12px;min-height:44px}.ios-label{font-size:12px;color:var(--ios-text-secondary);letter-spacing:.02em}.ios-ds-enabled .preview-shell .preview-bottom-bar,.ios-ds-enabled .preview-shell .preview-chat-settings-panel,.ios-ds-enabled .preview-shell .preview-debug-panel,.ios-ds-enabled .preview-shell .preview-game-panel,.ios-ds-enabled .preview-shell .preview-global-chat-room,.ios-ds-enabled .preview-shell .preview-mobile-side-toggle,.ios-ds-enabled .preview-shell .preview-session-profile-panel,.ios-ds-enabled .preview-shell .preview-session-tools-panel{border-color:var(--ios-border)!important;border-radius:var(--ios-radius-md)!important;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.ios-ds-enabled .preview-shell .preview-bottom-bar,.ios-ds-enabled .preview-shell .preview-debug-panel,.ios-ds-enabled .preview-shell .preview-global-chat-room{background:linear-gradient(160deg,rgba(15,23,42,.82),rgba(30,41,59,.72))!important}@media (prefers-reduced-motion:reduce){*,:after,:before{transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}}