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#ffffff4d}.control-btn.primary.active{background:#8b5cf633;color:var(--accent-color);box-shadow:inset 0 0 20px #8b5cf633;border:1px solid var(--accent-color)}.play-icon{margin-left:5px}.group-study-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:32px;padding:2.5rem;display:flex;flex-direction:column}.group-header{display:flex;align-items:center;gap:1rem;margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--glass-border)}.group-icon{color:#3b82f6}.group-header h2{font-size:1.5rem;font-weight:700}.group-join-area p{color:var(--text-secondary);line-height:1.5;margin-bottom:2rem}.join-actions{display:flex;flex-direction:column;gap:1.5rem}.btn-create-room{background:linear-gradient(135deg,#3b82f6,#8b5cf6);color:#fff;border:none;padding:1rem;border-radius:12px;font-family:inherit;font-weight:600;font-size:1.05rem;display:flex;align-items:center;justify-content:center;gap:.5rem;cursor:pointer;transition:all .3s;box-shadow:0 10px 20px #3b82f64d}.btn-create-room:hover{transform:translateY(-2px);box-shadow:0 15px 30px #3b82f666}.divider{text-align:center;position:relative;color:var(--text-secondary);font-size:.85rem}.divider:before,.divider:after{content:"";position:absolute;top:50%;width:40%;height:1px;background:var(--glass-border)}.divider:before{left:0}.divider:after{right:0}.join-input-group{display:flex;gap:.5rem}.room-input{flex:1;background:#0000004d;border:1px solid var(--glass-border);border-radius:12px;padding:1rem 1.25rem;color:#fff;font-family:inherit;outline:none;transition:all .3s}.room-input:focus{border-color:#3b82f6;box-shadow:0 0 0 2px #3b82f633}.btn-join-room{background:#ffffff1a;color:#fff;border:1px solid var(--glass-border);padding:0 1.5rem;border-radius:12px;font-weight:600;cursor:pointer;transition:all .3s}.btn-join-room:hover:not(:disabled){background:#ffffff26}.btn-join-room:disabled{opacity:.5;cursor:not-allowed}.active-room-area{display:flex;flex-direction:column;height:100%}.room-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.room-info h3{font-size:1.1rem;color:#fff;margin-bottom:.25rem}.status-badge{font-size:.75rem;padding:.2rem .5rem;border-radius:4px;background:#10b9811a;color:#10b981;font-weight:700;text-transform:uppercase}.btn-leave-room{background:#ef44441a;color:#ef4444;border:1px solid rgba(239,68,68,.2);padding:.5rem 1rem;border-radius:8px;display:flex;align-items:center;gap:.5rem;font-size:.9rem;cursor:pointer;transition:all .2s}.btn-leave-room:hover{background:#ef444433}.room-participants{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.participant{display:flex;align-items:center;gap:1rem;padding:1rem;background:#ffffff08;border-radius:16px;border:1px solid transparent;transition:all .3s}.participant.me{border-color:#8b5cf64d;background:linear-gradient(90deg,rgba(139,92,246,.1),transparent)}.avatar{width:48px;height:48px;border-radius:24px;background:var(--accent-color);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}.avatar.blue{background:#3b82f6}.avatar.purple{background:#d946ef}.user-info{display:flex;flex-direction:column;gap:.25rem}.user-info .name{color:#fff;font-weight:600}.user-info .status{font-size:.85rem;color:var(--text-secondary)}.invite-hint{margin-top:auto;font-size:.9rem;text-align:center;color:var(--text-secondary);padding:1rem;background:#0003;border-radius:12px}.invite-hint strong{color:#fff;font-family:monospace;font-size:1rem;background:#ffffff1a;padding:.2rem .4rem;border-radius:4px}.profile-container{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 80px);padding:2rem}.profile-card{background:#1e1e1e99;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);border-radius:24px;padding:3rem;width:100%;max-width:400px;display:flex;flex-direction:column;align-items:center;text-align:center;box-shadow:0 8px 32px #0000004d}.profile-avatar{width:120px;height:120px;border-radius:50%;object-fit:cover;margin-bottom:1.5rem;border:4px solid rgba(255,255,255,.1)}.profile-avatar-placeholder{width:120px;height:120px;border-radius:50%;background:#ffffff0d;display:flex;justify-content:center;align-items:center;margin-bottom:1.5rem;color:#ffffff80;border:4px solid rgba(255,255,255,.1)}.profile-name{font-size:1.8rem;font-weight:700;color:#fff;margin:0 0 .5rem}.profile-username{font-size:1rem;color:#a0a0a0;margin:0 0 2rem}.profile-stats{display:flex;width:100%;justify-content:center;gap:2rem;margin-bottom:2rem;padding-top:2rem;border-top:1px solid rgba(255,255,255,.1)}.stat-item{display:flex;flex-direction:column;align-items:center}.stat-value{font-size:1.4rem;font-weight:700;color:#fff;margin-bottom:.25rem}.stat-label{font-size:.85rem;color:#888}.logout-button{display:flex;align-items:center;gap:.75rem;background:#ff32321a;color:#ff4a4a;border:1px solid rgba(255,50,50,.2);padding:.75rem 1.5rem;border-radius:12px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s ease}.logout-button:hover{background:#ff323233;transform:translateY(-2px)}
