:root {
    /* Default theme (Light) */
    --primary-color: #4caf50;
    --primary-hover: #45a049;
    --secondary-color: #2c3e50;
    --background-color: #f5f7fb;
    --card-bg: white;
    --text-color: #333;
    --text-secondary: #666;
    --border-color: #e0e0e0;
    --user-message-bg: #e3f2fd;
    --assistant-message-bg: #f1f1f1;
    --header-bg: #2c3e50;
    --header-text: white;
    --logo-bg: white;
    --logo-text: #2c3e50;
    --prompt-chip-bg: #e3f2fd;
    --prompt-chip-text: #1976d2;
    --prompt-chip-border: #bbdefb;
    --prompt-chip-hover: #bbdefb;
    --delete-btn-color: #f44336;
    --delete-btn-hover: #d32f2f;
    --clear-btn-bg: #f44336;
    --clear-btn-hover: #d32f2f;
    --clear-all-btn-bg: #f44336;
    --clear-all-btn-hover: #d32f2f;
    --sql-query-bg: #f8f9fa;
    --sql-query-border: #4caf50;
    --table-header-bg: #f2f2f2;
    --table-row-even: #f9f9f9;
    --table-border: #ddd;
}

[data-theme="light"] {
    --primary-color: #4caf50;
    --primary-hover: #45a049;
    --secondary-color: #2c3e50;
    --background-color: #f5f7fb;
    --card-bg: white;
    --text-color: #333;
    --text-secondary: #666;
    --border-color: #e0e0e0;
    --user-message-bg: #e3f2fd;
    --assistant-message-bg: #f1f1f1;
    --header-bg: #2c3e50;
    --header-text: white;
    --logo-bg: white;
    --logo-text: #2c3e50;
    --prompt-chip-bg: #e3f2fd;
    --prompt-chip-text: #1976d2;
    --prompt-chip-border: #bbdefb;
    --prompt-chip-hover: #bbdefb;
    --delete-btn-color: #f44336;
    --delete-btn-hover: #d32f2f;
    --clear-btn-bg: #f44336;
    --clear-btn-hover: #d32f2f;
    --clear-all-btn-bg: #f44336;
    --clear-all-btn-hover: #d32f2f;
    --sql-query-bg: #f8f9fa;
    --sql-query-border: #4caf50;
    --table-header-bg: #f2f2f2;
    --table-row-even: #f9f9f9;
    --table-border: #ddd;
}

[data-theme="dark"] {
    --primary-color: #4caf50;
    --primary-hover: #45a049;
    --secondary-color: #1a1a2e;
    --background-color: #121212;
    --card-bg: #1e1e1e;
    --text-color: #e0e0e0;
    --text-secondary: #b0b0b0;
    --border-color: #333;
    --user-message-bg: #1e3a5f;
    --assistant-message-bg: #2d2d2d;
    --header-bg: #1a1a2e;
    --header-text: white;
    --logo-bg: white;
    --logo-text: #2c3e50;
    --prompt-chip-bg: #1e3a5f;
    --prompt-chip-text: #90caf9;
    --prompt-chip-border: #1565c0;
    --prompt-chip-hover: #1565c0;
    --delete-btn-color: #f44336;
    --delete-btn-hover: #d32f2f;
    --clear-btn-bg: #f44336;
    --clear-btn-hover: #d32f2f;
    --clear-all-btn-bg: #f44336;
    --clear-all-btn-hover: #d32f2f;
    --sql-query-bg: #2d2d2d;
    --sql-query-border: #4caf50;
    --table-header-bg: #333;
    --table-row-even: #2d2d2d;
    --table-border: #444;
}

[data-theme="default"] {
    --primary-color: #4caf50;
    --primary-hover: #45a049;
    --secondary-color: #2c3e50;
    --background-color: #f5f7fb;
    --card-bg: white;
    --text-color: #333;
    --text-secondary: #666;
    --border-color: #e0e0e0;
    --user-message-bg: #e3f2fd;
    --assistant-message-bg: #f1f1f1;
    --header-bg: #2c3e50;
    --header-text: white;
    --logo-bg: white;
    --logo-text: #2c3e50;
    --prompt-chip-bg: #e3f2fd;
    --prompt-chip-text: #1976d2;
    --prompt-chip-border: #bbdefb;
    --prompt-chip-hover: #bbdefb;
    --delete-btn-color: #f44336;
    --delete-btn-hover: #d32f2f;
    --clear-btn-bg: #f44336;
    --clear-btn-hover: #d32f2f;
    --clear-all-btn-bg: #f44336;
    --clear-all-btn-hover: #d32f2f;
    --sql-query-bg: #f8f9fa;
    --sql-query-border: #4caf50;
    --table-header-bg: #f2f2f2;
    --table-row-even: #f9f9f9;
    --table-border: #ddd;
}

[data-theme="blue"] {
    --primary-color: #2196f3;
    --primary-hover: #1976d2;
    --secondary-color: #0d47a1;
    --background-color: #e3f2fd;
    --card-bg: white;
    --text-color: #333;
    --text-secondary: #666;
    --border-color: #bbdefb;
    --user-message-bg: #bbdefb;
    --assistant-message-bg: #e3f2fd;
    --header-bg: #0d47a1;
    --header-text: white;
    --logo-bg: white;
    --logo-text: #0d47a1;
    --prompt-chip-bg: #bbdefb;
    --prompt-chip-text: #0d47a1;
    --prompt-chip-border: #90caf9;
    --prompt-chip-hover: #90caf9;
    --delete-btn-color: #f44336;
    --delete-btn-hover: #d32f2f;
    --clear-btn-bg: #f44336;
    --clear-btn-hover: #d32f2f;
    --clear-all-btn-bg: #f44336;
    --clear-all-btn-hover: #d32f2f;
    --sql-query-bg: #e3f2fd;
    --sql-query-border: #2196f3;
    --table-header-bg: #bbdefb;
    --table-row-even: #e3f2fd;
    --table-border: #bbdefb;
}

[data-theme="purple"] {
    --primary-color: #9c27b0;
    --primary-hover: #7b1fa2;
    --secondary-color: #4a148c;
    --background-color: #f3e5f5;
    --card-bg: white;
    --text-color: #333;
    --text-secondary: #666;
    --border-color: #e1bee7;
    --user-message-bg: #e1bee7;
    --assistant-message-bg: #f3e5f5;
    --header-bg: #4a148c;
    --header-text: white;
    --logo-bg: white;
    --logo-text: #4a148c;
    --prompt-chip-bg: #e1bee7;
    --prompt-chip-text: #4a148c;
    --prompt-chip-border: #ce93d8;
    --prompt-chip-hover: #ce93d8;
    --delete-btn-color: #f44336;
    --delete-btn-hover: #d32f2f;
    --clear-btn-bg: #f44336;
    --clear-btn-hover: #d32f2f;
    --clear-all-btn-bg: #f44336;
    --clear-all-btn-hover: #d32f2f;
    --sql-query-bg: #f3e5f5;
    --sql-query-border: #9c27b0;
    --table-header-bg: #e1bee7;
    --table-row-even: #f3e5f5;
    --table-border: #e1bee7;
}

[data-theme="orange"] {
    --primary-color: #ff9800;
    --primary-hover: #f57c00;
    --secondary-color: #e65100;
    --background-color: #fff3e0;
    --card-bg: white;
    --text-color: #333;
    --text-secondary: #666;
    --border-color: #ffe0b2;
    --user-message-bg: #ffe0b2;
    --assistant-message-bg: #fff3e0;
    --header-bg: #e65100;
    --header-text: white;
    --logo-bg: white;
    --logo-text: #e65100;
    --prompt-chip-bg: #ffe0b2;
    --prompt-chip-text: #e65100;
    --prompt-chip-border: #ffcc80;
    --prompt-chip-hover: #ffcc80;
    --delete-btn-color: #f44336;
    --delete-btn-hover: #d32f2f;
    --clear-btn-bg: #f44336;
    --clear-btn-hover: #d32f2f;
    --clear-all-btn-bg: #f44336;
    --clear-all-btn-hover: #d32f2f;
    --sql-query-bg: #fff3e0;
    --sql-query-border: #ff9800;
    --table-header-bg: #ffe0b2;
    --table-row-even: #fff3e0;
    --table-border: #ffe0b2;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    height: 100vh;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--header-bg);
    color: var(--header-text);
    padding: 10px 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    background-color: var(--logo-bg);
    padding: 8px 12px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo-icon {
    font-size: 24px;
    margin-right: 10px;
    color: var(--primary-color);
}

.logo-text {
    font-size: 20px;
    font-weight: bold;
    color: var(--logo-text);
}

.logo-img {
    height: 50px;
    width: auto;
    margin-right: 10px;
}

.user-details {
    display: flex;
    align-items: center;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    font-weight: bold;
}

.user-name {
    font-size: 14px;
}

.theme-switcher {
    display: flex;
    align-items: center;
    margin-left: 20px;
}

.theme-label {
    font-size: 14px;
    margin-right: 10px;
}

.theme-select {
    padding: 5px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-color);
}

.mode-toggle {
    display: flex;
    align-items: center;
    margin-left: 15px;
    cursor: pointer;
}

.mode-toggle-icon {
    font-size: 18px;
    margin-right: 5px;
}

.chat-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.chat-section {
    flex: 3;
    display: flex;
    flex-direction: column;
    background-color: var(--card-bg);
    border-radius: 10px;
    margin: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.history-section {
    flex: 1;
    background-color: var(--card-bg);
    border-radius: 10px;
    margin: 10px;
    padding: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.clear-all-btn {
    background-color: var(--clear-all-btn-bg);
    color: white;
    border: none;
    border-radius: 5px;
    padding: 5px 10px;
    font-size: 12px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.clear-all-btn:hover {
    background-color: var(--clear-all-btn-hover);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.message {
    margin-bottom: 15px;
    max-width: 80%;
    animation: fadeIn 0.3s ease-out;
}

.user-message {
    margin-left: auto;
    background-color: var(--user-message-bg);
    border-radius: 18px 18px 0 18px;
    padding: 12px 16px;
}

.assistant-message {
    margin-right: auto;
    background-color: var(--assistant-message-bg);
    border-radius: 18px 18px 18px 0;
    padding: 12px 16px;
}

.prompts-section {
    padding: 15px;
    border-top: 1px solid var(--border-color);
    background-color: var(--card-bg);
}

.prompts-title {
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.prompts-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.prompt-chip {
    background-color: var(--prompt-chip-bg);
    color: var(--prompt-chip-text);
    border-radius: 16px;
    padding: 6px 12px;
    font-size: 13px;
    cursor: pointer;
    transition: background-color 0.2s;
    border: 1px solid var(--prompt-chip-border);
    animation: slideIn 0.3s ease-out;
    animation-fill-mode: both;
}

.prompt-chip:hover {
    background-color: var(--prompt-chip-hover);
}

.prompt-chip:nth-child(1) { animation-delay: 0.1s; }
.prompt-chip:nth-child(2) { animation-delay: 0.2s; }
.prompt-chip:nth-child(3) { animation-delay: 0.3s; }
.prompt-chip:nth-child(4) { animation-delay: 0.4s; }
.prompt-chip:nth-child(5) { animation-delay: 0.5s; }
.prompt-chip:nth-child(6) { animation-delay: 0.6s; }
.prompt-chip:nth-child(7) { animation-delay: 0.7s; }
.prompt-chip:nth-child(8) { animation-delay: 0.8s; }
.prompt-chip:nth-child(9) { animation-delay: 0.9s; }
.prompt-chip:nth-child(10) { animation-delay: 1s; }

.input-area {
    display: flex;
    padding: 15px;
    border-top: 1px solid var(--border-color);
    align-items: center;
}

.query-input {
    flex: 1;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    outline: none;
    font-size: 16px;
    background-color: var(--card-bg);
    color: var(--text-color);
    transition: all 0.3s;
    border: 2px solid transparent;
}

.input-buttons {
    display: flex;
    align-items: center;
    margin-left: 10px;
}

.query-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

.submit-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 20px;
    padding: 12px 20px;
    margin-left: 10px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.submit-btn:hover {
    background-color: var(--primary-hover);
    animation: pulse 1s infinite;
}

.clear-btn {
    background-color: var(--clear-btn-bg);
    color: white;
    border: none;
    border-radius: 20px;
    padding: 12px 20px;
    margin-left: 10px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.clear-btn:hover {
    background-color: var(--clear-btn-hover);
}

.history-item {
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    background-color: var(--card-bg);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid var(--border-color);
}

.history-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.history-item-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
}

.history-item-timestamp {
    font-size: 12px;
    color: var(--text-secondary);
}

.history-item-query {
    margin-top: 5px;
    font-size: 0.9em;
    color: var(--text-color);
    position: relative;
    padding-right: 30px;
}

.count-badge {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--primary-color);
    color: white;
    border-radius: 12px;
    padding: 2px 8px;
    font-size: 0.8em;
    min-width: 20px;
    text-align: center;
}

.delete-btn {
    color: var(--delete-btn-color);
    cursor: pointer;
    font-size: 14px;
}

.delete-btn:hover {
    color: var(--delete-btn-hover);
}

.results-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 1rem 0;
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-size: 0.9rem;
}

.results-table th {
    background-color: var(--prompt-chip-bg);
    color: var(--prompt-chip-text);
    font-weight: 600;
    padding: 12px 15px;
    text-align: left;
    position: sticky;
    top: 0;
    z-index: 1;
}

.results-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
}

.results-table tr:last-child td {
    border-bottom: none;
}

.results-table tr:hover {
    background-color: var(--table-row-even);
}

.sql-query {
    background-color: var(--sql-query-bg);
    border-left: 4px solid var(--sql-query-border);
    padding: 15px;
    margin: 15px 0;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-color);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
    margin-right: 10px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Animation keyframes */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes slideIn {
    from { transform: translateX(-20px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* Typing indicator for assistant messages */
.typing-indicator {
    display: flex;
    align-items: center;
    padding: 10px;
}

.typing-indicator span {
    height: 8px;
    width: 8px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: inline-block;
    margin-right: 5px;
    animation: bounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) { animation-delay: 0s; }
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

/* Modern glassmorphism effect for cards */
.chat-section, .history-section {
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .chat-section, 
[data-theme="dark"] .history-section {
    background-color: rgba(30, 30, 30, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Modern input styling */
.query-input {
    transition: all 0.3s;
    border: 2px solid transparent;
}

.query-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

/* Modern button styling */
.submit-btn, .clear-btn, .clear-all-btn {
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.submit-btn:after, .clear-btn:after, .clear-all-btn:after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.submit-btn:focus:not(:active)::after,
.clear-btn:focus:not(:active)::after,
.clear-all-btn:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    100% {
        transform: scale(20, 20);
        opacity: 0;
    }
}

/* Modern scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

/* User avatar enhancement */
.user-avatar {
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.user-avatar::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 8px;
    height: 8px;
    background-color: #4caf50;
    border-radius: 50%;
    border: 2px solid white;
}

/* Logo enhancement */
.logo {
    position: relative;
    overflow: hidden;
}

.logo::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
    pointer-events: none;
}

/* Theme selector enhancement */
.theme-select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 16px;
    padding-right: 30px;
    cursor: pointer;
}

/* Microphone button styling */
.mic-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-right: 10px;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.mic-btn:hover {
    background-color: var(--primary-color);
    transform: scale(1.05);
}

.mic-btn.recording {
    background-color: #e74c3c;
    animation: pulse 1.5s infinite;
}

.mic-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .chat-container {
        flex-direction: column;
    }
    
    .chat-section, .history-section {
        width: 100%;
        margin: 10px 0;
    }
    
    .header {
        flex-direction: column;
        align-items: flex-start;
        padding: 10px;
    }
    
    .user-details {
        margin-top: 10px;
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .input-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .submit-btn, .clear-btn, .mic-btn {
        width: 100%;
    }
    
    .prompts-container {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .results-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    
    .results-table th,
    .results-table td {
        min-width: 120px;
    }
    
    .message {
        max-width: 95%;
    }
    
    .sql-query {
        font-size: 0.8rem;
        padding: 10px;
    }
    
    .user-details {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .theme-switcher {
        margin-top: 10px;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 5px;
    }
    
    .logo {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .logo-text {
        margin-top: 5px;
    }
    
    .chat-messages {
        padding: 10px;
    }
    
    .message {
        padding: 10px;
    }
    
    .sql-query {
        font-size: 0.75rem;
        padding: 8px;
    }
    
    .results-table th,
    .results-table td {
        padding: 8px 10px;
        font-size: 0.8rem;
    }
}

/* Additional Styles for Standalone Design */
.chat-container {
    display: flex;
    flex-direction: row;
    gap: 20px;
    padding: 20px;
    height: calc(100vh - 60px);
    overflow: hidden;
}

.chat-section {
    flex: 2;
    display: flex;
    flex-direction: column;
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.history-section {
    flex: 1;
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    max-width: 85%;
    padding: 15px;
    margin: 10px 0;
    border-radius: 12px;
    line-height: 1.5;
    animation: fadeIn 0.3s ease-out;
}

.message p {
    margin: 0;
    color: var(--text-color);
}

.message pre {
    background-color: var(--sql-query-bg);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 10px 0;
}

.message code {
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    color: var(--text-color);
}

.sql-query {
    background-color: var(--sql-query-bg);
    border: 1px solid var(--sql-query-border);
    border-radius: 4px;
    padding: 10px;
    margin: 10px 0;
    font-family: 'Fira Code', monospace;
    font-size: 14px;
    overflow-x: auto;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 14px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.results-table th, .results-table td {
    border: 1px solid var(--table-border);
    padding: 8px;
    text-align: left;
}

.results-table th {
    background-color: var(--prompt-chip-bg);
    color: var(--prompt-chip-text);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

.results-table tr:hover {
    background-color: rgba(0, 0, 0, 0.03);
}

[data-theme="dark"] .results-table tr:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.sql-query {
    background-color: var(--sql-query-bg);
    border-left: 4px solid var(--sql-query-border);
    padding: 10px;
    margin: 10px 0;
    font-family: 'Fira Code', 'Consolas', monospace;
    white-space: pre-wrap;
    word-break: break-all;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
}

.sql-query::before {
    content: 'SQL';
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--primary-color);
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 0 8px 0 8px;
}

.loading {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
    margin-right: 10px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Animation keyframes */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes slideIn {
    from { transform: translateX(-20px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* Typing indicator for assistant messages */
.typing-indicator {
    display: flex;
    align-items: center;
    padding: 10px;
}

.typing-indicator span {
    height: 8px;
    width: 8px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: inline-block;
    margin-right: 5px;
    animation: bounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) { animation-delay: 0s; }
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

/* Modern glassmorphism effect for cards */
.chat-section, .history-section {
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .chat-section, 
[data-theme="dark"] .history-section {
    background-color: rgba(30, 30, 30, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Modern input styling */
.query-input {
    transition: all 0.3s;
    border: 2px solid transparent;
}

.query-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

/* Modern button styling */
.submit-btn, .clear-btn, .clear-all-btn {
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.submit-btn:after, .clear-btn:after, .clear-all-btn:after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.submit-btn:focus:not(:active)::after,
.clear-btn:focus:not(:active)::after,
.clear-all-btn:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    100% {
        transform: scale(20, 20);
        opacity: 0;
    }
}

/* Modern scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

/* User avatar enhancement */
.user-avatar {
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.user-avatar::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 8px;
    height: 8px;
    background-color: #4caf50;
    border-radius: 50%;
    border: 2px solid white;
}

/* Logo enhancement */
.logo {
    position: relative;
    overflow: hidden;
}

.logo::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
    pointer-events: none;
}

/* Theme selector enhancement */
.theme-select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 16px;
    padding-right: 30px;
    cursor: pointer;
}

/* Microphone button styling */
.mic-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-right: 10px;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.mic-btn:hover {
    background-color: var(--primary-color);
    transform: scale(1.05);
}

.mic-btn.recording {
    background-color: #e74c3c;
    animation: pulse 1.5s infinite;
}

.mic-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .chat-container {
        flex-direction: column;
    }
    
    .chat-section, .history-section {
        width: 100%;
        margin: 10px 0;
    }
    
    .header {
        flex-direction: column;
        align-items: flex-start;
        padding: 10px;
    }
    
    .user-details {
        margin-top: 10px;
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .input-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .submit-btn, .clear-btn, .mic-btn {
        width: 100%;
    }
    
    .prompts-container {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .results-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    
    .results-table th,
    .results-table td {
        min-width: 120px;
    }
    
    .message {
        max-width: 95%;
    }
    
    .sql-query {
        font-size: 0.8rem;
        padding: 10px;
    }
    
    .user-details {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .theme-switcher {
        margin-top: 10px;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 5px;
    }
    
    .logo {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .logo-text {
        margin-top: 5px;
    }
    
    .chat-messages {
        padding: 10px;
    }
    
    .message {
        padding: 10px;
    }
    
    .sql-query {
        font-size: 0.75rem;
        padding: 8px;
    }
    
    .results-table th,
    .results-table td {
        padding: 8px 10px;
        font-size: 0.8rem;
    }
}

/* Additional Styles for Standalone Design */
.chat-container {
    display: flex;
    flex-direction: row;
    gap: 20px;
    padding: 20px;
    height: calc(100vh - 60px);
    overflow: hidden;
}

.chat-section {
    flex: 3.5;
    display: flex;
    flex-direction: column;
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.history-section {
    flex: 0.8;
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 8px;
    margin: 5px 0;
    animation: fadeIn 0.3s ease-in-out;
}

.user-message {
    align-self: flex-end;
    background-color: var(--user-message-bg);
    color: var(--text-color);
}

.assistant-message {
    align-self: flex-start;
    background-color: var(--assistant-message-bg);
    color: var(--text-color);
}

.sql-query {
    background-color: var(--sql-query-bg);
    border: 1px solid var(--sql-query-border);
    border-radius: 4px;
    padding: 10px;
    margin: 10px 0;
    font-family: 'Fira Code', monospace;
    font-size: 14px;
    overflow-x: auto;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0;
    background-color: var(--card-bg);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.results-table th, .results-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.results-table th {
    background-color: var(--table-header-bg);
    font-weight: 600;
}

.results-table tr:hover {
    background-color: var(--table-row-even);
}

.input-area {
    padding: 20px;
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
}

.query-input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
    margin-bottom: 10px;
    background-color: var(--card-bg);
    color: var(--text-color);
}

.input-buttons {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.submit-btn, .clear-btn, .mic-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.submit-btn {
    background-color: var(--primary-color);
    color: white;
}

.submit-btn:hover {
    background-color: var(--primary-hover);
}

.clear-btn {
    background-color: var(--clear-btn-bg);
    color: white;
}

.clear-btn:hover {
    background-color: var(--clear-btn-hover);
}

.mic-btn {
    background-color: var(--secondary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.mic-btn:hover {
    background-color: var(--primary-hover);
}

.mic-btn.recording {
    animation: pulse 1.5s infinite;
}

/* Error Message Styling */
.error-message {
    background-color: #ffebee;
    color: #c62828;
    padding: 15px;
    border-radius: 8px;
    margin: 10px 0;
    border-left: 4px solid #c62828;
}

[data-theme="dark"] .error-message {
    background-color: #2d0000;
    color: #ff8a8a;
    border-left-color: #ff8a8a;
}

/* Success Message Styling */
.success-message {
    background-color: #e8f5e9;
    color: #2e7d32;
    padding: 15px;
    border-radius: 8px;
    margin: 10px 0;
    border-left: 4px solid #2e7d32;
}

[data-theme="dark"] .success-message {
    background-color: #002d00;
    color: #8aff8a;
    border-left-color: #8aff8a;
}

/* Info Message Styling */
.info-message {
    background-color: #e3f2fd;
    color: #1565c0;
    padding: 15px;
    border-radius: 8px;
    margin: 10px 0;
    border-left: 4px solid #1565c0;
}

[data-theme="dark"] .info-message {
    background-color: #001d3d;
    color: #8ab4ff;
    border-left-color: #8ab4ff;
}