:root {
    /* Dark theme variables (default) */
    --primary-color: #FF5000;
    --bg-color: #0f0f0f;
    --container-bg: #1a1a1a;
    --input-bg: #2a2a2a;
    --text-color: #e0e0e0;
    --border-color: #333;
    --placeholder-color: #888;
    --secondary-text: #888;
}

/* Light theme variables */
[data-theme="light"] {
    --primary-color: #FF5000;
    --bg-color: #ffffff;
    --container-bg: #f5f5f5;
    --input-bg: #ffffff;
    --text-color: #333333;
    --border-color: #dddddd;
    --placeholder-color: #666;
    --secondary-text: #666;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: var(--text-color);
}

.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    transition: all 0.3s ease;
    padding-bottom: 60px;
}

.container.expanded {
    justify-content: flex-start;
    padding-top: 80px;
}

h1 {
    color: #FF5000;
    font-size: 2.5rem;
    text-align: center;
    font-weight: normal;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 10px;
}

.title-icon {
    width: 120px;
    height: 120px;
    vertical-align: middle;
}

#response {
    width: 100%;
    background-color: var(--container-bg);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 20px;
    white-space: pre-wrap;
    line-height: 1.5;
    color: var(--text-color);
    overflow-y: auto;
    min-height: 200px;
    border: 1px solid var(--border-color);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    display: none;
}

#response.visible {
    opacity: 1;
    transform: translateY(0);
    display: block;
}

.input-section {
    width: 100%;
    padding: 20px 0;
    position: sticky;
    bottom: 60px;
    background-color: var(--bg-color);
    z-index: 1;
}

.input-container {
    background-color: var(--container-bg);
    padding: 1rem;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 10px;
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid var(--border-color);
    box-sizing: border-box;
}

#userInput {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background-color: var(--input-bg);
    color: var(--text-color);
}

#userInput:focus {
    outline: none;
    border-color: #FF5000;
}

#userInput::placeholder {
    color: var(--placeholder-color);
}

button {
    background-color: #FF5000;
    color: white !important;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-weight: bold;
}

button:hover {
    background-color: #FF5000;
    transform: translateY(-1px);
    color: white !important;
}

button:active {
    transform: translateY(0);
}

.loading {
    color: #888;
    font-style: italic;
    display: none;
}

.loading.visible {
    display: block;
}

@keyframes rotate {
    from { content: "/"; }
    25% { content: "-"; }
    50% { content: "\\"; }
    75% { content: "|"; }
    to { content: "/"; }
}

.loading::after {
    content: "/";
    display: inline-block;
    animation: rotate 1s linear infinite;
}

.twitter-link {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 100;
}

.twitter-icon {
    width: 28px;
    height: 28px;
    animation: popIn    s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transition: transform 0.3s ease;
}

.twitter-icon:hover {
    transform: scale(1.5);
}

@keyframes popIn {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    80% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.copyright {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0;
    color: #FF5000;
    font-size: 0.9rem;
    text-align: center;
    padding: 10px;
    width: 100%;
    background: var(--bg-color);
    z-index: 0;
    height: 40px;
    padding-right: 80px;
}

[data-theme="light"] .copyright {
    color: #333333;
}

#chatHistory {
    width: 100%;
    margin-bottom: 20px;
    flex-grow: 1;
    overflow-y: auto;
    padding-bottom: 20px;
    max-width: 800px;
    margin: 0 auto;
    background-color: rgba(26, 26, 26, 0.3);
    border-radius: 8px;
    padding: 20px;
    box-sizing: border-box;
}

[data-theme="light"] #chatHistory {
    background-color: rgba(245, 245, 245, 0.3);  /* Light mode transparent background */
}

.user-message {
    background-color: var(--input-bg);
    color: var(--text-color);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 10px;
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid var(--border-color);
}

.assistant-message {
    background-color: var(--container-bg);
    color: var(--text-color);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 10px;
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid var(--border-color);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.assistant-message strong {
    font-weight: bold;
    color: #FF5000;
}

.send-button:hover {
    background: #FF5000;
}

.typing-indicator span {
    background-color: #FF5000;
}

/* Add theme toggle button styles */
.theme-toggle {
    position: fixed;
    bottom: 10px;
    right: 20px;
    z-index: 100;
    background: var(--container-bg);
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    background: #1a1a1a;
}

.theme-toggle img {
    width: 28px;
    height: 28px;
    transition: transform 0.3s ease;
    display: block;
}

[data-theme="light"] .theme-toggle img {
    /* Removed filter properties since we're using direct colors */
}

.contract-address {
    text-align: center;
    color: var(--secondary-text);
    font-size: 0.9rem;
    padding: 10px;
    margin-bottom: 20px;
    position: relative;
}

.contract-address span {
    background: #2a2a2a;  /* Darker grey for dark mode */
    padding: 12px 24px;
    border-radius: 20px;
    border: 1px solid var(--primary-color);
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
    color: var(--primary-color);
    font-size: 16px;
}

[data-theme="light"] .contract-address span {
    background: #f8f8f8;  /* Very light grey for light mode */
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.contract-address strong {
    color: var(--primary-color);
    margin-right: 8px;
}

.contract-address span:hover {
    transform: scale(1.02);
    box-shadow: 0 2px 8px rgba(255, 80, 0, 0.2);
}

.buy-button {
    display: inline-block;
    margin-left: 10px;
    padding: 12px 24px;
    background-color: #FF5000;
    color: white !important;
    text-decoration: none;
    border-radius: 20px;
    font-size: 16px;
    text-transform: uppercase;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(255, 80, 0, 0.2);
    line-height: 1.2;
    vertical-align: middle;
}

[data-theme="light"] .buy-button {
    box-shadow: 0 2px 4px rgba(255, 80, 0, 0.3);
}

.buy-button:active {
    transform: translateY(0) scale(1);
    box-shadow: 0 2px 4px rgba(255, 80, 0, 0.2);
}

.highlight-thinking {
    color: var(--primary-color);
}

/* Docs button styles */
.docs-button {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: #FF5000;
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    z-index: 100;
    transition: transform 0.3s ease;
}

.docs-button:hover {
    transform: scale(1.05);
}