/* CSS Variables for Light and Dark Mode */
:root {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --header-bg: #1e1e1e;
    --chat-bg: #181818;
    --input-bg: #252525;
    --border-color: #333333;
    --accent-color: #fbb32c;
    --message-user-bg: #fbb32c;
    --message-user-text: black;
    --message-bot-bg: #2a2a2a;
    --message-bot-text: #e0e0e0;
    --sidebar-bg: #1e1e1e;
    --sidebar-text: #e0e0e0;
    --sidebar-hover-bg: #2a2a2a;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    --highlight-color: #ff4444;
}

[data-theme="light"] {
    --bg-color: #ffffff;
    --text-color: #333333;
    --header-bg: #f8f9fa;
    --chat-bg: #f1f3f5;
    --input-bg: #ffffff;
    --border-color: #dee2e6;
    --accent-color: #fbb32c;
    --message-user-bg: #fbb32c;
    --message-user-text: black;
    --message-bot-bg: #e9ecef;
    --message-bot-text: #333333;
    --sidebar-bg: #f8f9fa;
    --sidebar-text: #333333;
    --sidebar-hover-bg: #e9ecef;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --highlight-color: #ff4444;
}

/* Swap Button and Container */
.swap-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.swap-amount-input {
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--input-bg);
    color: var(--text-color);
    font-size: 14px;
    width: 150px;
}

.swap-amount-input:focus {
    border-color: var(--accent-color);
    outline: none;
}

.swap-button {
    background-color: #f1c40f;
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

.swap-button:hover {
    background-color: #d4ac0d;
}

/* Popup Styles */
.popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

.popup-content {
    background-color: var(--chat-bg);
    color: var(--text-color);
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    max-width: 400px;
    width: 90%;
    text-align: center;
}

.popup-content p {
    margin: 0 0 20px;
    font-size: 16px;
}

.popup-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* Input Popup for Mobile */
.input-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10010;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.input-popup.visible {
    display: flex;
    opacity: 1;
}

.input-popup-content {
    background-color: var(--chat-bg);
    color: var(--text-color);
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    max-width: 90%;
    width: 400px;
    text-align: center;
    position: relative;
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.input-popup-content textarea {
    width: 100%;
    min-height: 100px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--input-bg);
    color: var(--text-color);
    font-size: 14px;
    resize: vertical;
    box-sizing: border-box;
    margin-bottom: 15px;
}

.input-popup-content textarea:focus {
    border-color: var(--accent-color);
    outline: none;
}

.input-popup-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.popup-button {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow);
    transition: background-color 0.3s ease, transform 0.1s ease;
}

.send-button {
    background-color: var(--accent-color);
    color: var(--message-user-text);
}

.send-button:hover {
    background-color: #fb762c;
    transform: translateY(-1px);
}

.disconnect-button {
    background-color: var(--accent-color);
    color: var(--message-user-text);
}

.disconnect-button:hover {
    background-color: #fb762c;
    transform: translateY(-1px);
}

.cancel-button {
    background-color: var(--border-color);
    color: var(--text-color);
}

.cancel-button:hover {
    background-color: #555;
    transform: translateY(-1px);
}

/* Wallet Selection Popup */
.wallet-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    overflow: auto;
}

.wallet-popup-content {
    background-color: var(--chat-bg);
    color: var(--text-color);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    max-width: 400px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    text-align: center;
    box-sizing: border-box;
    margin: 20px;
}

.wallet-popup-content p {
    margin: 0 0 20px;
    font-size: 16px;
    line-height: 1.5;
}

.wallet-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.wallet-button {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow);
    transition: background-color 0.3s ease, transform 0.1s ease;
    background-color: var(--accent-color);
    color: var(--message-user-text);
    text-align: left;
}

.wallet-button img {
    width: 24px;
    height: 24px;
    margin-right: 12px;
}

.wallet-button:hover {
    background-color: #fb762c;
    transform: translateY(-1px);
}

.wallet-button:disabled {
    background-color: #6c757d;
    cursor: not-allowed;
    transform: none;
}

.cancel-wallet-button {
    margin-top: 12px;
    background-color: var(--border-color);
    color: var(--text-color);
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow);
    transition: background-color 0.3s ease, transform 0.1s ease;
}

.cancel-wallet-button:hover {
    background-color: #555;
    transform: translateY(-1px);
}

/* Write Icon for Mobile */
button.write-icon {
    position: fixed;
    bottom: calc(20px + env(safe-area-inset-bottom, 0));
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: var(--accent-color);
    color: var(--message-user-text);
    border: none;
    border-radius: 50%;
    display: none !important;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: var(--shadow);
    cursor: pointer;
    z-index: 1000;
    transition: background-color 0.3s ease, transform 0.1s ease;
}

button.write-icon:hover {
    background-color: #fb762c;
    transform: scale(1.1);
}

/* Body */
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
    overflow: hidden;
    position: relative;
    touch-action: manipulation;
}

/* Header */
.chat-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--header-bg);
    padding: 12px 24px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    z-index: 1000;
}

.nav-buttons {
    display: flex;
    gap: 12px;
    align-items: center;
}

.mode-theme {
    padding: 8px 16px;
    background-color: #f0f0f0;
    color: #000;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow);
    transition: background-color 0.3s ease, transform 0.1s ease;
}

.mode-theme:hover {
    background-color: #e0e0e0;
    transform: translateY(-1px);
}

.chat-header img.logo {
    height: 40px;
    transition: transform 0.2s ease;
    background: #fbb32c;
    padding: 2px;
    border-radius: 7px;
}

.chat-header img.logo:hover {
    transform: scale(1.05);
}

.connect-wallet,
.new-chat-btn {
    padding: 8px 16px;
    background-color: var(--accent-color);
    color: var(--message-user-text);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow);
    transition: background-color 0.3s ease, transform 0.1s ease;
}

.connect-wallet:hover,
.new-chat-btn:hover {
    background-color: #fb762c;
    transform: translateY(-1px);
}

.connect-wallet:disabled {
    background-color: #6c757d;
    cursor: not-allowed;
}

/* Sidebar */
.sidebar i {
    padding: 10px;
    color: #fbb32c;
}

.sidebar {
    position: fixed;
    top: 65px;
    left: 0;
    width: 250px;
    height: calc(100vh - 65px);
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    padding: 20px;
    overflow-y: auto;
    transition: transform 0.3s ease;
    z-index: 950;
    box-shadow: var(--shadow);
    transform: translateX(0);
}

.sidebar.hidden {
    transform: translateX(-100%);
}

.sidebar h3 {
    margin: 0 0 15px;
    font-size: 18px;
    color: var(--sidebar-text);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    font-weight: 500;
}

.sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
}

.sidebar ul li {
    margin: 8px 0;
}

.sidebar ul li a {
    color: var(--sidebar-text);
    text-decoration: none;
    display: block;
    padding: 10px;
    border-radius: 6px;
    transition: background-color 0.2s ease, color 0.2s ease;
    font-size: 14px;
}

.sidebar ul li a:hover {
    background-color: var(--sidebar-hover-bg);
    color: var(--accent-color);
}

/* Sidebar Toggle */
.sidebar-toggle {
    position: fixed;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 30px;
    height: 60px;
    background-color: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: 0 6px 6px 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--sidebar-text);
    transition: left 0.3s ease, background-color 0.3s ease;
    z-index: 960;
    box-shadow: var(--shadow);
}

.sidebar-toggle:hover {
    background-color: var(--sidebar-hover-bg);
}

.sidebar.active + .sidebar-toggle {
    left: 250px;
}

.sidebar-toggle i {
    transition: transform 0.3s ease;
}

.sidebar.active + .sidebar-toggle i {
    transform: rotate(180deg);
}

/* Chat Container */
.chat-container {
    max-width: 800px;
    margin: 80px auto 100px;
    padding: 0 20px;
    width: 100%;
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 100px);
    box-sizing: border-box;
}

/* Chat Messages */
.chat-messages {
    flex-grow: 1;
    max-height: calc(100vh - 180px - env(safe-area-inset-bottom, 0));
    overflow-y: auto;
    padding: 20px;
    background-color: var(--chat-bg);
    border-radius: 12px 12px 0 0;
    box-shadow: var(--shadow);
    box-sizing: border-box;
    margin-bottom: 60px;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background-color: #bbb;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background-color: #999;
}

.message {
    margin: 12px 0;
    padding: 10px 20px;
    border-radius: 12px;
    max-width: 85%;
    box-shadow: var(--shadow);
    line-height: 1.5;
    font-size: 15px;
    align-items: flex-start;
}

.message.user-message {
    background-color: var(--message-user-bg);
    color: var(--message-user-text);
    margin-left: auto;
}

.message.bot-message {
    color: var(--message-bot-text);
    margin-right: auto;
}

.bot-logo {
    width: 50px;
    height: 50px;
    margin-right: 10px;
    border-radius: 50%;
    object-fit: cover;
}

.bot-content {
    flex: 1;
}

.thinking-animation {
    display: inline-flex;
    align-items: center;
}

.thinking-animation .dot {
    animation: blink 1.4s infinite both;
    color: var(--accent-color);
}

.thinking-animation .dot:nth-child(2) {
    animation-delay: 0.2s;
}

.thinking-animation .dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes blink {
    0%, 75%, 100% {
        opacity: 0.2;
    }
    25%, 50% {
        opacity: 1;
    }
}

.options {
    margin-top: 10px;
    font-style: italic;
    color: var(--message-bot-text);
    opacity: 0.8;
}

.message.bot-message ul {
    margin: 10px 0;
    padding-left: 20px;
}

.message.bot-message iframe {
    width: 100%;
    height: 400px;
    margin-top: 10px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.topic-creators {
    align-items: center;
    gap: 8px;
    margin-left: 16px;
}

.topic-creators img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid white;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease;
}

.topic-creators img:hover {
    transform: scale(1.1);
}

/* Chat Input */
.chat-input {
    position: fixed;
    bottom: env(safe-area-inset-bottom, 0);
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 40px);
    max-width: 800px;
    display: flex;
    align-items: center;
    background-color: var(--input-bg);
    padding: 8px 15px;
    border-top: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow);
    z-index: 1000;
    box-sizing: border-box;
    transition: bottom 0.3s ease, width 0.3s ease;
}

.chat-input input {
    flex-grow: 1;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--input-bg);
    color: var(--text-color);
    margin-right: 12px;
    font-size: 14px;
    line-height: 1.5;
    min-height: 32px;
    box-sizing: border-box;
    resize: none;
}

.chat-input input:focus {
    border-color: var(--accent-color);
    outline: none;
}

.chat-input button {
    padding: 12px 24px;
    background-color: var(--accent-color);
    color: var(--message-user-text);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow);
    transition: background-color 0.3s ease, transform 0.1s ease;
}

.chat-input button:hover {
    background-color: #fb762c;
    transform: translateY(-1px);
}

.theme-toggle,
.premium-highlight {
    z-index: 1100;
}

/* Responsive Design */
@media (max-width: 768px) {
    .wallet-popup-content {
        width: 95%;
        padding: 16px;
        margin: 10px;
        max-height: 70vh;
    }

    .wallet-popup-content p {
        font-size: 14px;
    }

    .wallet-button,
    .cancel-wallet-button {
        padding: 10px 16px;
        font-size: 13px;
    }

    .wallet-button img {
        width: 20px;
        height: 20px;
        margin-right: 10px;
    }

    .sidebar {
        width: 200px;
    }

    .sidebar.hidden {
        transform: translateX(-100%);
    }

    .sidebar.active + .sidebar-toggle {
        left: 200px;
    }

    .chat-container {
        margin: 40px auto 20px;
        padding: 0 10px;
    }

    .chat-messages {
        max-height: calc(100vh - 100px - env(safe-area-inset-bottom, 0));
        margin-bottom: 20px;
    }

    .chat-input {
        display: none;
    }

    button.write-icon {
        display: flex !important;
    }

    .input-popup-content {
        width: 95%;
        padding: 16px;
    }

    .input-popup-content textarea {
        font-size: 13px;
        min-height: 80px;
    }

    .popup-button {
        padding: 8px 16px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .sidebar {
        width: 180px;
    }

    .sidebar.active + .sidebar-toggle {
        left: 180px;
    }

    .chat-container {
        margin: 40px auto 20px;
        padding: 0 5px;
    }

    .chat-messages {
        max-height: calc(100vh - 90px - env(safe-area-inset-bottom, 0));
        margin-bottom: 20px;
    }

    button.write-icon {
        width: 45px;
        height: 45px;
        font-size: 20px;
        bottom: calc(15px + env(safe-area-inset-bottom, 0));
        right: 15px;
    }

    .input-popup-content {
        width: 90%;
        padding: 12px;
    }

    .input-popup-content textarea {
        font-size: 12px;
        min-height: 70px;
    }

    .popup-button {
        padding: 6px 12px;
        font-size: 12px;
    }

    .message {
        padding: 8px 12px;
        max-width: 90%;
        font-size: 14px;
    }

    .bot-logo {
        width: 30px;
        height: 30px;
    }

    .premium-highlight {
        flex-direction: column;
        gap: 5px;
        padding: 5px 10px;
    }

    .premium-highlight button,
    .theme-toggle button,
    .sidebar-toggle {
        padding: 6px;
        font-size: 16px;
    }
}