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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
}

.container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.logo {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    border-radius: 50%;
}

h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
    background: linear-gradient(90deg, #f7971e, #ffd200);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

p {
    color: #aaa;
    margin-bottom: 20px;
    font-size: 14px;
}

.status {
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-weight: 600;
    transition: all 0.3s;
}

.status.connected {
    background: rgba(46, 213, 115, 0.2);
    color: #2ed573;
    border: 1px solid rgba(46, 213, 115, 0.3);
}

.status.connecting {
    background: rgba(255, 165, 0, 0.2);
    color: #ffa502;
    border: 1px solid rgba(255, 165, 0, 0.3);
}

.status.disconnected {
    background: rgba(255, 71, 87, 0.2);
    color: #ff4757;
    border: 1px solid rgba(255, 71, 87, 0.3);
}

.status.error {
    background: rgba(255, 0, 0, 0.2);
    color: #ff0000;
    border: 1px solid rgba(255, 0, 0, 0.3);
}

button {
    background: linear-gradient(90deg, #f7971e, #ffd200);
    color: #1a1a2e;
    border: none;
    padding: 14px 30px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
    margin-bottom: 10px;
}

button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(247, 151, 30, 0.3);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

button#btnMute {
    background: linear-gradient(90deg, #ff6b6b, #ee5a24);
    color: white;
}

button#btnMute:hover:not(:disabled) {
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

.meter {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    margin-top: 20px;
    overflow: hidden;
}

.meter .level {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #2ed573, #f7971e);
    border-radius: 3px;
    transition: width 0.1s;
}

#callInfo {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

#callInfo p {
    margin: 5px 0;
    color: #aaa;
    font-size: 13px;
}