:root{--bg-gradient: radial-gradient(circle at top left, #1a1d23, #0f1115);--card-bg: rgba(30, 35, 45, .65);--card-border: rgba(255, 255, 255, .1);--glass-blur: blur(16px);--text-primary: #ffffff;--text-secondary: #a0a0a0;--accent: #3b82f6;--accent-gradient: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);--success: #10b981;--error: #ef4444;--radius-lg: 16px;--radius-md: 12px;--radius-sm: 8px}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:Inter,sans-serif;background:var(--bg-gradient);color:var(--text-primary);height:100vh;overflow:hidden;display:flex;justify-content:center}.app-container{width:100%;max-width:600px;height:100%;display:flex;flex-direction:column;padding:.5rem;gap:.5rem}.app-header{display:flex;justify-content:space-between;align-items:center;padding:.8rem;background:#0000004d;border-radius:var(--radius-md);flex-shrink:0}.header-left,.header-right{display:flex;align-items:center;gap:1rem}.logo{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1rem}.status-indicator{display:flex;align-items:center;gap:.4rem;font-size:.8rem;color:var(--text-secondary)}.dot{width:8px;height:8px;border-radius:50%;background-color:var(--error)}.dot.connected{background-color:var(--success);box-shadow:0 0 8px var(--success)}.bluetooth-actions{display:flex;flex-direction:column;gap:.8rem;padding:.5rem;background:#ffffff08;border-radius:var(--radius-sm);flex-shrink:0}.bluetooth-actions button{width:100%}.tab-bar{display:flex;justify-content:center;gap:.5rem;background:#ffffff08;padding:4px;border-radius:20px;flex-shrink:0}.tab-btn{background:transparent;border:none;color:var(--text-secondary);padding:6px 16px;border-radius:16px;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s}.tab-btn.active{background:var(--accent-gradient);color:#fff;box-shadow:0 2px 8px #3b82f666}.dashboard{flex:1;overflow-y:auto;padding-bottom:1rem;display:flex;flex-direction:column;gap:1rem}.hidden{display:none!important}.tab-content{animation:fadeIn .3s ease-out;display:flex;flex-direction:column;gap:1rem;height:100%}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.btn{padding:8px 16px;font-size:.9rem;border-radius:20px;border:none;cursor:pointer;font-weight:600;transition:transform 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#3b82f680,inset 0 0 10px #0000004d;transition:all .3s cubic-bezier(.4,0,.2,1);flex-shrink:0;background-color:gray;margin:.5rem;position:relative;overflow:hidden}.mini-swatch:after{content:"";position:absolute;top:0;left:-50%;width:200%;height:100%;background:linear-gradient(to right,transparent 0%,rgba(255,255,255,.1) 50%,transparent 100%);transform:skew(-25deg);pointer-events:none}.user-menu-container{position:relative;display:inline-block}.dropdown-menu{position:absolute;top:100%;right:0;margin-top:8px;background:#1e232df2;border:1px solid var(--card-border);border-radius:var(--radius-sm);box-shadow:0 4px 12px #0006;min-width:160px;z-index:1000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);overflow:hidden}.dropdown-item{display:block;width:100%;padding:10px 16px;background:transparent;border:none;color:var(--text-primary);text-align:left;cursor:pointer;font-size:.9rem;transition:background 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