.call-overlay {
    position: fixed;
    inset: 0;
    background: rgba(13, 0, 26, 0.95);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.call-card {
    text-align: center;
    padding: 40px;
    max-width: 360px;
    width: 90%;
}
.call-avatar-big {
    font-size: 80px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 30px var(--accent));
}
.call-card h2 {
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 24px;
}
.call-type-label {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 40px;
}
#call-timer {
    color: var(--accent);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 30px;
}
.call-buttons {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
}
.call-btn {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: none;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
}
.call-btn:hover {
    transform: scale(1.1);
}
.call-btn.accept {
    background: var(--success);
    color: white;
}
.call-btn.reject {
    background: var(--danger);
    color: white;
}
.call-btn small {
    font-size: 11px;
    margin-top: 4px;
}
.call-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}
.call-control-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 22px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.call-control-btn:hover {
    background: var(--bg-secondary);
    transform: scale(1.05);
}
.call-control-btn.hangup {
    background: var(--danger);
    border-color: var(--danger);
}
.call-control-btn.muted {
    background: var(--danger);
    border-color: var(--danger);
}
#remote-video {
    width: 100%;
    max-height: 50vh;
    border-radius: 16px;
    margin-bottom: 20px;
    background: #000;
}
#local-video {
    position: absolute;
    bottom: 120px;
    right: 20px;
    width: 120px;
    height: 160px;
    border-radius: 12px;
    border: 2px solid var(--accent);
    background: #000;
}
/* Outgoing call — ringing animation */
.call-ringing .call-avatar-big {
    animation: ringPulse 1.5s ease-in-out infinite;
}
@keyframes ringPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}
@media (max-width: 768px) {
    .call-card {
        padding: 30px 20px;
    }
    .call-buttons {
        gap: 40px;
    }
    #local-video {
        width: 90px;
        height: 120px;
        bottom: 140px;
        right: 16px;
    }
}