/* --- Color Palette & Fonts from Landing Page --- */
        :root {
            --dark-bg: #0d1118;
            --dark-bg-translucent: rgba(13, 17, 24, 0.8);
            --accent: #A11312;
            --accent-glow: rgba(161, 19, 18, 0.7);
            --light: #F8E6DE;
            --light-translucent: rgba(248, 230, 222, 0.7);
            --border-color: rgba(248, 230, 222, 0.1);
            
            --bot-msg-bg: rgba(248, 230, 222, 0.05);
            --user-msg-bg: rgba(13, 17, 24, 0.5);
        }

        html {
            box-sizing: border-box;
            height: 100%;
        }

        *,
        *:before,
        *:after {
            margin: 0;
            padding: 0;
            box-sizing: inherit;
        }

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--dark-bg);
            color: var(--light);
            height: 100%;
            overflow: hidden;
            display: flex;
        }

        .font-orbitron {
            font-family: 'Orbitron', sans-serif;
        }

        /* --- Main Layout --- */
        #chat-container {
            display: flex;
            width: 100%;
            height: 100%;
            transition: margin-left 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* --- Sidebar --- */
        #sidebar {
            width: 300px;
            flex-shrink: 0;
            background-color: #0b0e14;
            color: var(--light);
            padding: 24px;
            display: flex;
            flex-direction: column;
            transition: margin-left 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            overflow-y: auto;
            z-index: 10;
            border-right: 1px solid var(--border-color);
        }

        #sidebar.collapsed {
            margin-left: -300px;
        }

        .sidebar-header h5 {
            font-family: 'Orbitron', sans-serif;
            font-size: 28px;
            margin-bottom: 8px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--accent);
            color: white;
        }

        .sidebar-header p {
            font-size: 14px;
            line-height: 1.5;
        }

        .example-questions {
            margin-top: 24px;
        }

        .example-questions h6 {
            font-weight: 600;
            font-size: 16px;
            margin-bottom: 12px;
            color: white;
        }

        .example-questions ul {
            list-style: none;
            padding: 0;
        }

        .example-questions li {
            padding: 12px 16px;
            margin-bottom: 8px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 14px;
            transition: background-color 0.2s ease, color 0.2s ease;
            display: flex;
            align-items: center;
            border: 1px solid transparent;
        }
        
        .example-questions li:hover {
            background-color: rgba(248, 230, 222, 0.05);
            border-color: var(--border-color);
            color: white;
        }

        .example-questions li .material-symbols-rounded {
            margin-right: 12px;
            font-size: 20px;
            opacity: 0.8;
            color: var(--accent);
        }

        /* --- Messenger Area --- */
        .msger {
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            background-color: var(--dark-bg);
            position: relative;
            overflow: hidden;
        }

        .msger::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image: url('bg.png'); /* Using the same background as landing page */
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            opacity: 0.05; 
            z-index: 0;
        }

        /* --- Header --- */
        .msger-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 24px;
            border-bottom: 2px solid var(--accent);
            background-color: rgba(11, 14, 20, 0.7);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            position: relative;
            z-index: 2;
        }

        .msger-header-title {
            flex-grow: 1;
            text-align: center;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
        }
        
        .msger-header-title img {
            height: 48px;
            width: auto;
        }
        
        .icon-button {
            background: none;
            border: none;
            cursor: pointer;
            color: var(--light-translucent);
            padding: 8px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background-color 0.2s ease, color 0.2s ease;
        }

        .icon-button:hover {
            color: white;
            background-color: rgba(248, 230, 222, 0.1);
        }
        
        .icon-button .material-symbols-rounded {
            font-size: 24px;
        }

        /* --- Toggle Sidebar Button Animation --- */
        #toggleSidebarButton {
            width: 44px;
            height: 44px;
        }

        #toggleSidebarButton svg {
            height: 2.5em;
            transition: transform 600ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        #toggleSidebarButton .line {
            fill: none;
            stroke: var(--light);
            stroke-linecap: round;
            stroke-linejoin: round;
            stroke-width: 3;
            transition:
                stroke-dasharray 600ms cubic-bezier(0.4, 0, 0.2, 1),
                stroke-dashoffset 600ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        #toggleSidebarButton .line-top-bottom {
            stroke-dasharray: 12 63;
        }
        
        #toggleSidebarButton.open svg {
            transform: rotate(-45deg);
        }
        
        #toggleSidebarButton.open svg .line-top-bottom {
            stroke-dasharray: 20 300;
            stroke-dashoffset: -32.42;
        }

        /* --- Chat Area --- */
        .msger-chat {
            flex: 1;
            overflow-y: auto;
            padding: 24px;
            position: relative;
            z-index: 1;
            scroll-behavior: smooth;
        }

        .msger-chat::-webkit-scrollbar {
            width: 8px;
        }

        .msger-chat::-webkit-scrollbar-track {
            background: transparent;
            border-radius: 4px;
        }

        .msger-chat::-webkit-scrollbar-thumb {
            background-color: rgba(0, 0, 0, 0.2);
            border-radius: 4px;
            transition: background-color 0.3s;
        }

        .msger-chat::-webkit-scrollbar-thumb:hover {
            background-color: rgba(0, 0, 0, 0.4);
        }

        .msger-chat {
            scrollbar-width: 12px;
            scrollbar-color: rgba(124, 124, 124, 0.132) transparent;
        }
        
        .msg {
            display: flex;
            align-items: flex-end;
            margin-bottom: 20px;
        }

        .msg-img {
            width: 40px;
            height: 40px;
            margin-right: 12px;
            background-repeat: no-repeat;
            background-position: center;
            background-size: cover;
            border-radius: 50%;
            border: 2px solid var(--border-color);
        }

        .msg-bubble {
            max-width: 75%;
            padding: 14px 18px;
            border-radius: 18px;
        }

        .msg-info {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 8px;
        }

        .msg-info-name {
            font-weight: 600;
            font-size: 14px;
        }

        .msg-info-time {
            font-size: 12px;
        }

        .msg-text {
            line-height: 1.6;
            font-size: 15px;
            word-wrap: break-word;
        }
        
        .msg-text p, .msg-text ul, .msg-text ol { margin-bottom: 8px; }
        .msg-text ul, .msg-text ol { padding-left: 20px; }
        .msg-text strong { color: white; font-weight: 600; }

        .left-msg .msg-bubble {
            background: var(--bot-msg-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-color);
            border-bottom-left-radius: 4px;
            color: var(--light);
        }
        .left-msg .msg-info-name { color: var(--accent); }
        .left-msg .msg-info-time { color: var(--light-translucent); }

        .right-msg { flex-direction: row-reverse; }
        .right-msg .msg-img { margin: 0 0 0 12px; }
        .right-msg .msg-bubble {
            background: var(--user-msg-bg);
            border: 1px solid var(--border-color);
            color: var(--light);
            border-bottom-right-radius: 4px;
        }
        .right-msg .msg-info-name { color: var(--light); }
        .right-msg .msg-info-time { color: var(--light-translucent); }

        .msg-actions {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }
        .msg-actions .action-btn {
            background: none;
            border: none;
            cursor: pointer;
            color: var(--light-translucent);
            padding: 4px;
            transition: color 0.2s ease;
        }
        .msg-actions .action-btn:hover { color: white; }

        /* --- Input Area --- */
        .msger-inputarea {
            padding: 16px 24px;
            border-top: 1px solid var(--border-color);
            background: var(--dark-bg-translucent);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            position: relative;
            z-index: 2;
        }

        .input-wrapper {
            position: relative;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        #textInput {
            flex-grow: 1;
            height: 48px;
            padding: 12px 80px 12px 20px;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            background-color: rgba(13, 17, 24, 0.7);
            font-size: 15px;
            font-family: 'Inter', sans-serif;
            color: var(--light);
            resize: none;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            max-height: 200px;
            overflow-y: auto;
        }

        #textInput::-webkit-scrollbar { display: none; }
        #textInput::placeholder { color: var(--light-translucent); }

        #textInput:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }

        .input-actions {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            display: flex;
            gap: 4px;
        }

        /* --- Typing Indicator --- */
        .typing-indicator span {
            width: 8px; height: 8px; margin: 0 2px;
            background-color: var(--light-translucent);
            border-radius: 50%; display: inline-block;
            animation: typing 1.4s infinite ease-in-out both;
        }
        .typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
        .typing-indicator span:nth-child(2) { animation-delay: -0.16s; }
        @keyframes typing {
            0%, 80%, 100% { transform: scale(0); }
            40% { transform: scale(1.0); }
        }

        /* --- Modal --- */
        .modal {
            display: none; position: fixed; z-index: 1000;
            left: 0; top: 0; width: 100%; height: 100%;
            background-color: rgba(0,0,0,0.7);
            justify-content: center; align-items: center;
        }

        .modal-content {
            background-color: var(--dark-bg);
            border: 1px solid var(--border-color);
            padding: 24px; width: 90%; max-width: 400px;
            border-radius: 12px; text-align: center;
            box-shadow: 0 10px 25px rgba(0,0,0,0.3);
        }
        
        .modal-content h3 {
            font-family: 'Orbitron', sans-serif;
            font-size: 22px; margin-bottom: 12px; color: white;
        }
        .modal-content p { color: var(--light-translucent); margin-bottom: 24px; }

        .modal-actions { display: flex; justify-content: center; gap: 16px; }

        .modal-btn {
            border: none; padding: 10px 24px; border-radius: 8px;
            cursor: pointer; font-weight: 600; transition: all 0.2s ease;
        }

        #confirmDelete { background-color: var(--accent); color: white; }
        #confirmDelete:hover { background-color: #c0392b; }
        #cancelDelete { background-color: rgba(248, 230, 222, 0.1); color: var(--light); }
        #cancelDelete:hover { background-color: rgba(248, 230, 222, 0.2); }

        /* --- Mic Alert --- */
        .mic-alert {
            display: none; 
            position: fixed; 
            top: 50%; 
            left: 50%;
            z-index: 1001;
            width: 220px;
            height: 220px;
            background: rgba(13, 17, 24, 0.9);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: 50%; 
            text-align: center;
            border: 2px solid var(--accent-glow);
            box-shadow: 0 0 40px var(--accent-glow);
            flex-direction: column;
            justify-content: center;
            align-items: center;
            transition: opacity 0.3s ease, transform 0.3s ease;
            opacity: 0;
            transform: translate(-50%, -50%) scale(0.9);
        }

        .mic-alert.visible {
            display: flex;
            opacity: 1;
            transform: translate(-50%, -50%) scale(1);
        }

        .mic-icon-container {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 80px;
            height: 80px;
            background-color: var(--accent);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            box-shadow: 0 0 20px var(--accent-glow);
        }

        .mic-icon-container .material-symbols-rounded {
            font-size: 48px;
            color: white;
        }

        #visualizer {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 200px;
            height: 200px;
        }

        #micStatus { 
            position: absolute;
            bottom: 20px;
            font-weight: 500; 
            color: var(--light); 
            font-size: 14px;
        }

        /* --- Responsive Design --- */
        @media (max-width: 768px) {
            #sidebar {
                position: fixed; top: 0; left: 0; height: 100%;
                z-index: 200; margin-left: -300px;
            }
            #sidebar.open { margin-left: 0; }
            .sidebar-overlay {
                display: none; position: fixed; top: 0; left: 0;
                width: 100%; height: 100%;
                background: rgba(0,0,0,0.5); z-index: 199;
            }
            .sidebar-overlay.active { display: block; }
            .msg-bubble { max-width: 85%; }
            .msger-inputarea { padding: 12px; }
        }

        /* --- CSS untuk Modal CAPTCHA --- */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            display: none; /* Defaultnya tersembunyi */
            justify-content: center;
            align-items: center;
            z-index: 1000;
        }

        .modal-content {
            background: #252831; /* Sesuaikan dengan warna tema Anda */
            padding: 25px;
            border-radius: 10px;
            text-align: center;
            max-width: 400px;
            width: 90%;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
            color: #fafbfc;
        }

        .modal-content h4 {
            margin-top: 0;
            margin-bottom: 15px;
            font-size: 1.2rem;
        }

        .modal-content p {
            margin-bottom: 20px;
            font-size: 0.9rem;
            line-height: 1.5;
        }

        #recaptcha-widget-container {
            display: flex;
            justify-content: center;
            margin-bottom: 15px;
        }

        .modal-content small {
            color: #888;
            font-size: 0.8rem;
        }

        .example-question.disabled {
            cursor: not-allowed;
            opacity: 0.6;
        }