* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #ffffff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.mic-container {
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sound-waves {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.sound-line {
    stroke: #1a1a1a; /* сделали темнее с #333333 до #1a1a1a */
    stroke-width: 1;
    opacity: 0.8; /* увеличили непрозрачность */
    stroke-linecap: round;
    fill: none;
}

.call-button {
    position: relative;
    z-index: 10;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background: #ffffff;
    color: #000000;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.call-button:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.call-button:active {
    transform: scale(0.95);
}

.call-button.calling {
    background: #ef4444;
    color: #ffffff;
}

.mic-icon {
    transition: all 0.3s ease;
}

.mute-line {
    position: absolute;
    width: 28px;
    height: 2px;
    background: currentColor;
    transform: rotate(45deg);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.call-button.muted .mute-line {
    opacity: 1;
}

.call-button.muted .mic-icon {
    opacity: 0.7;
}

.call-button:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    pointer-events: none; /* Полностью блокируем события */
    transform: none !important;
}

.call-button:disabled:hover {
    transform: none !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}