/* --- Global Styles --- */
body {
    background-color: #2c2f33;
    color: #ffffff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* --- Login & Nickname Screens --- */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.auth-card {
    background: #23272a;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
    text-align: center;
    width: 100%;
    max-width: 400px;
}

.auth-card h2 { margin-top: 0; color: #7289da; }

.auth-input {
    padding: 12px;
    border-radius: 4px;
    border: 1px solid #444;
    background: #40444b;
    color: white;
    width: 80%;
    margin-bottom: 15px;
}

.auth-button {
    padding: 12px 24px;
    background: #7289da;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.2s;
}

.auth-button:hover { background: #5b6eae; }

/* --- Main Chat Interface --- */
#chat-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.chat-line {
    margin-bottom: 8px;
    line-height: 1.4;
    word-wrap: break-word;
}

.timestamp { color: #72767d; font-size: 0.85em; margin-right: 8px; }
.logo { width: 18px; height: 18px; vertical-align: middle; margin: 0 8px; }
.user { font-weight: bold; color: #fff; margin-right: 5px; }
.msg { color: #dcddde; }

.date-separator {
    text-align: center;
    margin: 20px 0;
    border-bottom: 1px solid #444;
    line-height: 0.1em;
    color: #72767d;
    font-size: 0.9em;
}

.date-separator span { background: #2c2f33; padding: 0 10px; }

/* --- Input Area --- */
#controls {
    background: #40444b;
    padding: 20px;
    display: flex;
    gap: 10px;
}

#webMsg {
    flex: 1;
    padding: 12px;
    border-radius: 5px;
    border: none;
    background: #484c52;
    color: white;
}

.web-tag {
    color: #7289da;
    font-size: 0.75em;
    font-weight: bold;
    text-transform: uppercase;
    margin-right: 5px;
}