:root {
    --primary-bg: #1a1a1d;
    --secondary-bg: #2c2c31;
    --tertiary-bg: #111113;
    --border-color: #c3073f; /* Bright Red */
    --accent-color: #950740;  /* Darker Red */
    --main-text: #C5C6C7;
    --secondary-text: #a0a1a2;
    --white: #FFFFFF;
    --font-family: 'Poppins', sans-serif;
}

html {
    background-color: var(--primary-bg);
}

body {
    font-family: var(--font-family);
    color: var(--main-text);
    background-color: var(--primary-bg);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
    box-sizing: border-box;
}

.chat-wrapper {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--primary-bg);
}

/* Header */
.chat-header {
    background-color: var(--secondary-bg);
    padding: 10px 15px;
    border-bottom: 1px solid var(--tertiary-bg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    z-index: 10;
}

.header-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

.back-button {
    font-size: 1.2rem;
    color: var(--border-color);
    text-decoration: none;
}

.chat-title h1 {
    font-size: 1.1rem;
    margin: 0;
    color: var(--white);
    font-weight: 600;
}

.online-indicator {
    font-size: 0.8rem;
    color: var(--secondary-text);
    display: flex;
    align-items: center;
    gap: 5px;
}

.online-dot {
    width: 8px;
    height: 8px;
    background-color: var(--border-color);
    border-radius: 50%;
    animation: pulse-red 2s infinite;
}

@keyframes pulse-red {
    0% { box-shadow: 0 0 0 0 rgba(195, 7, 63, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(195, 7, 63, 0); }
    100% { box-shadow: 0 0 0 0 rgba(195, 7, 63, 0); }
}

/* Container Pesan */
#chat-container {
    flex-grow: 1;
    overflow-y: auto;
    padding: 15px;
    display: flex;
    flex-direction: column;
}

#messages-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.loading-spinner {
    text-align: center;
    padding: 20px;
    color: var(--accent-color);
}

/* Pesan Individual */
.message-wrapper {
    display: flex;
    gap: 10px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.5s forwards;
}

.message-wrapper.sent-by-me {
    flex-direction: row-reverse;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.profile-pic img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--accent-color);
}

.message-content {
    max-width: 75%;
}

.message-header {
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.username {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--border-color);
}

.role {
    font-weight: 700;
    font-size: 0.8rem;
    margin-left: 8px;
    color: var(--border-color);
}

.level {
    font-size: 0.8rem;
    color: var(--secondary-text);
    margin-left: 5px;
}

.timestamp {
    font-size: 0.7rem;
    color: var(--secondary-text);
    margin-left: 8px;
}

.message-bubble {
    background-color: var(--secondary-bg);
    padding: 10px 15px;
    border-radius: 18px;
    border-top-left-radius: 5px;
}

.message-wrapper.sent-by-me .message-bubble {
    background-color: var(--accent-color);
    color: var(--white);
    border-top-left-radius: 18px;
    border-top-right-radius: 5px;
}

.message-text {
    margin: 0;
    word-wrap: break-word;
}

/* Area Input Pesan */
.chat-input-area {
    padding: 10px 15px;
    background-color: var(--secondary-bg);
    border-top: 1px solid var(--tertiary-bg);
}

#auth-gate p {
    text-align: center;
    margin: 0;
    color: var(--secondary-text);
}

#auth-gate a {
    color: var(--border-color);
    text-decoration: none;
    font-weight: 600;
}

#message-form {
    display: flex;
    gap: 10px;
    align-items: center;
}

#message-input {
    flex-grow: 1;
    background-color: var(--tertiary-bg);
    border: 1px solid var(--accent-color);
    border-radius: 20px;
    padding: 10px 15px;
    color: var(--main-text);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

#message-input:focus {
    border-color: var(--border-color);
}

#send-button {
    background-color: var(--accent-color);
    border: none;
    color: var(--white);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s;
}

#send-button:hover {
    background-color: var(--border-color);
}

/* Utility */
.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 600px) {
    .message-content {
        max-width: 85%;
    }

    .chat-wrapper {
        height: 100%;
    }
}