.water-glass-card{background:rgba(255,255,255,.05);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);border-radius:24px;box-shadow:0 8px 32px 0 rgba(0,0,0,.3);width:100%;margin-bottom:2rem}.water-wave-container{position:relative;width:clamp(150px,40vw,220px);height:clamp(150px,40vw,220px);background:#1a1a1a;border-radius:50%;overflow:hidden;margin:0 auto;border:4px solid #3b82f6;box-shadow:0 0 20px rgba(59,130,246,.5)}.water-wave{position:absolute;bottom:0;left:0;width:100%;background:linear-gradient(180deg,#3b82f6,#1e40af);transition:height 1s ease-in-out}.water-wave:before{content:"";position:absolute;width:200%;height:100%;top:-10%;left:-50%;background:rgba(255,255,255,.2);border-radius:40%;animation:wave 5s linear infinite}@keyframes wave{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.quick-add-btn{transition:transform .2s cubic-bezier(.175,.885,.32,1.275)}.quick-add-btn:active{transform:scale(.9)}.streak-badge{background:linear-gradient(45deg,#f59e0b,#ef4444);padding:4px 12px;border-radius:12px;font-size:.8rem;font-weight:700;color:white}.tone-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:10px;margin-top:10px}.tone-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:12px;cursor:pointer;transition:all .2s ease;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}.tone-card:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}.tone-card.active{background:rgba(59,130,246,.2);border-color:rgba(59,130,246,.5);box-shadow:0 0 15px rgba(59,130,246,.3)}.tone-icon{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.05);border-radius:10px;color:#3b82f6}.tone-name{font-size:.75rem;font-weight:500;color:rgba(255,255,255,.8)}.water-settings-group{margin-bottom:20px}.water-settings-label{display:block;font-size:.85rem;color:#93c5fd;margin-bottom:8px}.water-settings-input{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:10px 16px;width:100%;color:white;outline:none;transition:border-color .2s}.water-settings-input:focus{border-color:#3b82f6}.water-settings-btn{padding:10px 20px;border-radius:12px;font-weight:700;cursor:pointer;transition:all .2s}.water-settings-btn.secondary-btn{background:rgba(255,255,255,.1);color:white}.water-settings-btn.secondary-btn:hover{background:rgba(255,255,255,.15)}.activity-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}@media (max-width:480px){.activity-grid{grid-template-columns:1fr}.tone-grid{grid-template-columns:repeat(auto-fill,minmax(80px,1fr))}}.activity-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:16px;cursor:pointer;transition:all .2s ease;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}.activity-card:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}.activity-card.active{background:rgba(59,130,246,.2);border-color:rgba(59,130,246,.5);box-shadow:0 0 15px rgba(59,130,246,.3)}.activity-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.05);border-radius:12px;color:#3b82f6;transition:all .2s}.activity-card.active .activity-icon{background:#3b82f6;color:white}.activity-name{font-size:.85rem;font-weight:600;color:rgba(255,255,255,.9)}