* { box-sizing: border-box; }
body { background: #000; color: #fff; font-family: 'Courier New', monospace; margin: 0; }

.centered-body { display: flex; justify-content: center; align-items: center; height: 100vh; }

.auth-card {
    background: #111;
    border: 1px solid #1db954; /* Зеленый */
    padding: 30px;
    width: 320px;
    text-align: center;
}

.logo-text { color: #1db954; letter-spacing: 5px; margin-bottom: 20px; }

input[type="text"], input[type="password"] {
    width: 100%;
    background: #000;
    border: 1px solid #333;
    color: #1db954;
    padding: 10px;
    margin-bottom: 10px;
    outline: none;
}

.btn {
    width: 100%;
    padding: 10px;
    background: #1db954;
    color: #000;
    border: none;
    font-weight: bold;
    cursor: pointer;
}

.chat-container { display: flex; flex-direction: column; height: 100vh; max-width: 900px; margin: 0 auto; border-left: 1px solid #222; border-right: 1px solid #222; }

.header { padding: 15px; border-bottom: 1px solid #1db954; display: flex; justify-content: space-between; background: #0a0a0a; }

.messages-area { flex: 1; overflow-y: auto; padding: 20px; background: #050505; }

.msg-block { margin-bottom: 20px; border-left: 2px solid #222; padding-left: 10px; }
.msg-user { color: #1db954; font-weight: bold; }
.msg-date { color: #444; font-size: 0.8rem; margin-left: 10px; }
.img-preview { max-width: 300px; border: 1px solid #333; margin-top: 10px; }

.send-form { display: flex; padding: 15px; background: #111; gap: 10px; }
.send-form input { flex: 1; background: #000; border: 1px solid #1db954; color: #fff; padding: 10px; }
.file-btn { background: #222; padding: 10px; cursor: pointer; color: #1db954; border: 1px solid #1db954; font-size: 0.8rem; }