:root{--bg: #121212;--surface: #1E1E1E;--surface-light: #2A2A2A;--text-primary: #FFFFFF;--text-secondary: #B0B0B0;--accent: #DAFF00;--accent-mint: #00FFD1;--error: #FF4444;--success: #44FF44;--radius: 12px}html,body,#root{height:100%;width:100%;overflow:hidden}.connect-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;padding:24px;gap:24px;text-align:center}.connect-screen h1{font-size:28px;font-weight:700}.connect-screen .accent{color:var(--accent)}.connect-status{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:20px;font-size:14px;font-weight:600}.connect-status.connecting{background:#daff0026;color:var(--accent)}.connect-status.failed{background:#ff444426;color:var(--error)}.spinner{width:20px;height:20px;border:2px solid transparent;border-top-color:currentColor;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.controller{display:flex;flex-direction:column;height:100%;padding:8px;padding-top:env(safe-area-inset-top,8px);padding-bottom:env(safe-area-inset-bottom,8px)}.controller-header{display:flex;align-items:center;justify-content:space-between;padding:4px 8px 8px;flex-shrink:0}.controller-header h2{font-size:14px;font-weight:600;color:var(--text-secondary)}.header-actions{display:flex;gap:8px}.icon-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--surface);color:var(--text-secondary);border:none;cursor:pointer;transition:all .15s}.icon-btn:hover{background:var(--surface-light);color:var(--text-primary)}.icon-btn.active{color:var(--accent);background:#daff0026}.button-grid{flex:1;display:grid;gap:6px;padding:4px}.grid-btn{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border:none;border-radius:var(--radius);cursor:pointer;overflow:hidden;transition:transform .1s ease;-webkit-tap-highlight-color:transparent}.grid-btn .btn-bg{position:absolute;top:0;right:0;bottom:0;left:0;opacity:.15;transition:opacity .15s}.grid-btn .btn-icon{position:relative;z-index:1}.grid-btn .btn-label{position:relative;z-index:1;font-size:11px;font-weight:600;color:var(--text-primary);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.grid-btn:active{transform:scale(.92)}.grid-btn:active .btn-bg{opacity:.35}.grid-btn .ripple{position:absolute;border-radius:50%;transform:scale(0);animation:ripple-effect .5s ease-out forwards;pointer-events:none;z-index:2}@keyframes ripple-effect{0%{transform:scale(0);opacity:.5}to{transform:scale(4);opacity:0}}.grid-btn.empty{background:var(--surface);border:1px dashed rgba(255,255,255,.08)}.camera-preview{position:fixed;bottom:16px;right:16px;width:120px;height:90px;border-radius:var(--radius);background:#000;overflow:hidden;z-index:100;box-shadow:0 4px 20px #00000080;border:2px solid var(--surface-light)}.camera-preview video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}