body {
    margin: 0;
    padding: 0;
    background: #fff;
    font-family: Arial, sans-serif;
}

/* Remover a faixa verde do topo */
/* body::before { ... } */

.top-banner {
    width: 100%;
    background: #39ff14;
    color: #1a4d1a;
    font-size: 1.2rem;
    font-weight: bold;
    text-align: center;
    padding: 10px 0 8px 0;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 100vh;
    position: relative;
    z-index: 2;
    padding-top: 48px;
}

.video-frame {
    position: relative;
    margin-top: 24px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-frame video {
    width: 300px;
    height: 533px;
    border: none;
    border-radius: 24px;
    background: #000;
    box-sizing: border-box;
    display: block;
}

.clique-btn {
    background: #39ff14;
    color: #1a4d1a;
    font-size: 2.2rem;
    font-weight: bold;
    border: none;
    border-radius: 24px;
    padding: 16px 48px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    margin-top: 8px;
    letter-spacing: 2px;
    transition: background 0.2s;
    display: inline-block;
    text-decoration: none;
}

.clique-btn:hover {
    background: #2d7a2d;
    color: #fff;
}

.alerta-som {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #39ff14;
    color: #fff;
    font-size: 1.2rem;
    font-weight: bold;
    padding: 22px 32px 18px 32px;
    border-radius: 18px;
    text-align: center;
    z-index: 5;
    box-shadow: 0 2px 12px rgba(0,0,0,0.18);
    pointer-events: none;
    letter-spacing: 1px;
    min-width: 220px;
}

.alerta-som .icone-som {
    font-size: 2.2rem;
    margin: 10px 0 10px 0;
    display: block;
}

.alerta-som .texto-menor {
    font-size: 1rem;
    font-weight: normal;
}