/* ================== RESET / BASE ================== */
* { box-sizing: border-box; }
html, body { 
    height: 100%; 
    margin: 0; 
    padding: 0; 
    color: #000000;
    overflow: hidden;
}

/* Основной контейнер: sidebar + separator + main + right panel */
.chat-app {
    position: relative;
    display: flex;
    height: 100vh;
    min-height: 100vh;
    background: #FFFFFF;
    font-family: "Manrope";
    font-weight: 500;
    color: #000000;
}

/* Вспомогательные правила */
button { background: none; border: none; cursor: pointer; }
img { display:block; max-width: 100%; height: auto; }