* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --background: #f8fafc;
    --surface: #ffffff;
    --border: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --ai-message-bg: #f1f5f9;
    --user-message-bg: #2563eb;
    --user-message-text: #ffffff;
    --sidebar-width: 280px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: var(--background);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
}

.app-container {
    display: flex;
    height: 100vh;
}

/* ========== Side Menu ========== */
.side-menu {
    width: var(--sidebar-width);
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.menu-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.menu-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.menu-nav {
    flex: 1;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: all 0.2s;
    position: relative;
}

.menu-item:hover:not(:disabled) {
    background: var(--background);
    color: var(--text-primary);
}

.menu-item.active {
    background: var(--primary-color);
    color: white;
}

.menu-item:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.menu-item .icon {
    font-size: 1.25rem;
}

.menu-item .badge {
    margin-left: auto;
    padding: 0.25rem 0.5rem;
    background: var(--secondary-color);
    color: white;
    font-size: 0.7rem;
    border-radius: 0.25rem;
}

.menu-footer {
    padding: 1rem;
    border-top: 1px solid var(--border);
}

.clear-chat-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.clear-chat-btn:hover {
    background: #fee2e2;
    border-color: #fca5a5;
    color: #dc2626;
}

/* ========== Menu Section (File Upload) ========== */
.menu-section {
    padding: 1rem;
    border-top: 1px solid var(--border);
}

.section-header {
    margin-bottom: 0.75rem;
}

.section-header h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.file-upload-area {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.upload-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background 0.2s;
}

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

.upload-btn.uploading {
    opacity: 0.6;
    cursor: not-allowed;
}

.file-status {
    padding: 0.5rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    font-size: 0.75rem;
}

.file-status .status-text {
    color: var(--text-secondary);
    display: block;
    word-break: break-all;
}

.file-status.success {
    background: #f0fdf4;
    border-color: #86efac;
}

.file-status.success .status-text {
    color: #16a34a;
}

.file-status.error {
    background: #fef2f2;
    border-color: #fca5a5;
}

.file-status.error .status-text {
    color: #dc2626;
}

.file-status .file-info {
    margin-top: 0.25rem;
    color: var(--text-secondary);
    font-size: 0.7rem;
}

.file-status .delete-file-btn {
    margin-top: 0.5rem;
    padding: 0.25rem 0.5rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    color: var(--text-secondary);
    font-size: 0.7rem;
    cursor: pointer;
    transition: all 0.2s;
}

.file-status .delete-file-btn:hover {
    background: #fee2e2;
    border-color: #fca5a5;
    color: #dc2626;
}

/* ========== Chat Container ========== */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--background);
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.chat-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

.status-dot.connected {
    background: var(--success-color);
    animation: none;
}

.status-dot.error {
    background: #ef4444;
    animation: none;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* ========== Chat Messages ========== */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message {
    display: flex;
    gap: 1rem;
    max-width: 800px;
    animation: fadeIn 0.3s;
}

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

.message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.message.ai .message-avatar {
    background: var(--ai-message-bg);
}

.message.user .message-avatar {
    background: var(--user-message-bg);
}

.message-content {
    background: var(--ai-message-bg);
    padding: 1rem 1.25rem;
    border-radius: 1rem;
    line-height: 1.6;
    word-wrap: break-word;
}

.message.user .message-content {
    background: var(--user-message-bg);
    color: var(--user-message-text);
}

.message-content p {
    margin-bottom: 0.5rem;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-timestamp {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
    padding: 0 0.25rem;
}

.typing-indicator {
    display: flex;
    gap: 0.25rem;
    padding: 1rem;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--secondary-color);
    animation: typing 1.4s infinite;
}

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

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

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* ========== Chat Input ========== */
.chat-input-container {
    padding: 1.5rem 2rem;
    background: var(--surface);
    border-top: 1px solid var(--border);
}

.chat-form {
    display: flex;
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.chat-input {
    flex: 1;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 0.95rem;
    font-family: inherit;
    resize: none;
    max-height: 150px;
    transition: border-color 0.2s;
}

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

.send-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.send-btn:hover:not(:disabled) {
    background: var(--primary-hover);
}

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

/* ========== Scrollbar ========== */
.chat-messages::-webkit-scrollbar {
    width: 8px;
}

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

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* ========== Pipeline Container ========== */
.pipeline-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--background);
    overflow-y: auto;
}

.pipeline-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.pipeline-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.pipeline-status {
    padding: 0.5rem 1rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    font-size: 0.875rem;
}

.pipeline-status .status-text {
    color: var(--text-secondary);
}

.pipeline-status.valid .status-text {
    color: var(--success-color);
}

.pipeline-status.invalid .status-text {
    color: #dc2626;
}

.pipeline-content {
    flex: 1;
    padding: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
}

.pipeline-section {
    margin-bottom: 2rem;
}

.pipeline-section h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.section-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.tools-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tool-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: 0.75rem;
    transition: all 0.2s;
    cursor: pointer;
}

.tool-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
}

.tool-item.selected {
    border-color: var(--primary-color);
    background: #eff6ff;
}

.tool-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
    margin-top: 2px;
}

.tool-info {
    flex: 1;
}

.tool-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.tool-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.tool-dependencies {
    font-size: 0.75rem;
    color: #ea580c;
    margin-top: 0.5rem;
    font-style: italic;
}

.tool-order {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-weight: 600;
    font-size: 0.875rem;
}

.tool-item:not(.selected) .tool-order {
    display: none;
}

.pipeline-actions {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--surface);
    border-radius: 0.75rem;
    border: 1px solid var(--border);
}

.validate-btn,
.start-pipeline-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.validate-btn {
    background: var(--surface);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.validate-btn:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
}

.start-pipeline-btn {
    background: var(--success-color);
    color: white;
}

.start-pipeline-btn:hover:not(:disabled) {
    background: #059669;
}

.validate-btn:disabled,
.start-pipeline-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.validation-messages {
    margin-top: 1rem;
}

.validation-message {
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.validation-message.success {
    background: #f0fdf4;
    border: 1px solid #86efac;
    color: #166534;
}

.validation-message.error {
    background: #fef2f2;
    border: 1px solid #fca5a5;
    color: #991b1b;
}

.validation-message.warning {
    background: #fffbeb;
    border: 1px solid #fde047;
    color: #854d0e;
}

.validation-message strong {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.validation-message ul {
    margin: 0.5rem 0 0 1.5rem;
}

.validation-message li {
    margin-bottom: 0.25rem;
}

/* ========== Welcome Message ========== */
.welcome-message {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.welcome-message h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.welcome-message p {
    font-size: 1rem;
    line-height: 1.6;
}

/* ========== Outputs View ========== */
.outputs-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--background);
    overflow: hidden;
}

.outputs-header {
    background: var(--surface);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.outputs-header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.refresh-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--surface);
    border: 2px solid var(--primary-color);
    border-radius: 0.5rem;
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.refresh-btn.btn-small {
    padding: 0.25rem 0.5rem;
    font-size: 0.85rem;
}

.outputs-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.outputs-sidebar {
    width: 300px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.outputs-sidebar h2 {
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
}

.outputs-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
}

.output-item {
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
}

.output-item:hover {
    background: var(--ai-message-bg);
    border-color: var(--primary-color);
}

.output-item.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.output-item-name {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.output-item-date {
    font-size: 0.75rem;
    opacity: 0.7;
}

.loading-message,
.error-message {
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
}

.error-message {
    color: #991b1b;
}

.outputs-viewer {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.viewer-header {
    padding: 1rem 1.5rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.viewer-header .file-name {
    font-weight: 500;
    color: var(--text-primary);
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

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

.viewer-content {
    flex: 1;
    overflow: auto;
    padding: 1.5rem;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
}

.empty-state .icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state p {
    margin: 0.5rem 0;
}

.empty-state .description {
    font-size: 0.9rem;
    opacity: 0.7;
}

.json-viewer {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1.5rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

.json-viewer pre {
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* ========== Verification View ========== */
.verify-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--background);
    overflow: hidden;
}

.verify-header {
    background: var(--surface);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.verify-header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.verify-progress {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.progress-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.verify-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.verify-list-container {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
}

.verify-sidebar {
    width: 320px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.verify-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
}

.verify-item {
    padding: 1rem;
    margin-bottom: 0.5rem;
    background: var(--background);
    border: 2px solid var(--border);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
}

.verify-item:hover {
    background: var(--ai-message-bg);
    border-color: var(--primary-color);
}

.verify-item.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.verify-item-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.verify-item-details {
    font-size: 0.8rem;
    opacity: 0.8;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.verify-item.active .verify-item-details {
    opacity: 0.9;
}

.verify-editor {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.editor-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
    padding: 2rem;
    text-align: center;
}

.editor-empty .icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.editor-empty p {
    margin: 0.5rem 0;
}

.editor-empty .description {
    font-size: 0.9rem;
    opacity: 0.7;
}

.editor-form {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.form-header {
    background: var(--surface);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.form-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
}

.btn-primary,
.btn-secondary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: #059669;
}

.btn-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border: 2px solid var(--border);
}

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.form-content {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
}

.form-section {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
}

.form-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-row:last-child {
    margin-bottom: 0;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.2s;
    background: var(--background);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input:disabled {
    background: var(--ai-message-bg);
    color: var(--text-secondary);
    cursor: not-allowed;
}

.form-group textarea {
    resize: vertical;
    min-height: 60px;
}

.conversion-item {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 40px;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    align-items: end;
}

.conversion-item .form-group {
    margin-bottom: 0;
}

.remove-conversion-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fef2f2;
    border: 1px solid #fca5a5;
    border-radius: 0.375rem;
    color: #991b1b;
    cursor: pointer;
    transition: all 0.2s;
}

.remove-conversion-btn:hover {
    background: #fee2e2;
    border-color: #f87171;
}

.empty-message {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 1rem;
    font-style: italic;
}

/* ========== Verification Cards ========== */
.verification-card {
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.verification-card:hover {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: var(--background);
    border-bottom: 1px solid var(--border);
}

.query-info {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-primary);
}

.tier-badge {
    padding: 0.375rem 0.875rem;
    background: var(--primary-color);
    color: white;
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-body {
    padding: 1.5rem;
}

.match-info {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.match-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.confidence-section {
    margin: 1.25rem 0;
}

.confidence-bar {
    width: 100%;
    height: 32px;
    background: var(--background);
    border-radius: 0.5rem;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.confidence-fill {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: white;
    transition: width 0.4s ease-out;
    position: relative;
}

.confidence-fill.high {
    background: linear-gradient(90deg, #10b981, #059669);
}

.confidence-fill.medium {
    background: linear-gradient(90deg, #f59e0b, #d97706);
}

.confidence-fill.low {
    background: linear-gradient(90deg, #ef4444, #dc2626);
}

.fdc-info {
    display: inline-block;
    padding: 0.5rem 0.875rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    margin-top: 1rem;
}

.reasoning-info {
    margin-top: 1.25rem;
    padding: 1rem;
    background: var(--ai-message-bg);
    border-left: 4px solid var(--primary-color);
    border-radius: 0.375rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.card-actions {
    display: flex;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--background);
    border-top: 1px solid var(--border);
}

.btn-approve,
.btn-reject {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-approve {
    background: var(--success-color);
    color: white;
}

.btn-approve:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(16, 185, 129, 0.3);
}

.btn-reject {
    background: #ef4444;
    color: white;
}

.btn-reject:hover {
    background: #dc2626;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(239, 68, 68, 0.3);
}

/* ========== Bin View ========== */
.bin-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--background);
    overflow: hidden;
}

.bin-header {
    background: var(--surface);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.bin-header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.bin-stats {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.stat-item {
    padding: 0.5rem 1rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    font-size: 0.9rem;
}

.stat-label {
    color: var(--text-secondary);
    margin-right: 0.5rem;
}

.stat-value {
    font-weight: 600;
    color: var(--text-primary);
}

.bin-content {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
}

.bin-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid #ef4444;
    border-radius: 0.5rem;
    padding: 1.25rem;
    margin-bottom: 1rem;
    transition: all 0.2s;
}

.bin-item:hover {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-left-color: #dc2626;
}

.bin-item-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.bin-query {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
}

.bin-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.bin-match {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.bin-metadata {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.bin-metadata-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.85rem;
}

.metadata-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.metadata-value {
    color: var(--text-primary);
    font-weight: 600;
}

.bin-reason {
    padding: 0.875rem;
    background: #fef2f2;
    border: 1px solid #fca5a5;
    border-radius: 0.375rem;
    margin-top: 0.75rem;
}

.reason-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: #991b1b;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.375rem;
}

.reason-text {
    font-size: 0.9rem;
    color: #7f1d1d;
    font-style: italic;
}

.bin-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    color: var(--text-secondary);
    text-align: center;
}

.bin-empty .icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.bin-empty h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.bin-empty p {
    font-size: 0.95rem;
    opacity: 0.7;
}

/* ========== Card Animations ========== */
@keyframes slideOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

@keyframes slideOutLeft {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(-100px);
    }
}

.verification-card.removing-approve {
    animation: slideOutRight 0.3s ease-out forwards;
}

.verification-card.removing-reject {
    animation: slideOutLeft 0.3s ease-out forwards;
}

/* ========== Responsive Adjustments ========== */
@media (max-width: 768px) {
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .card-actions {
        flex-direction: column;
    }
    
    .btn-approve,
    .btn-reject {
        width: 100%;
    }
    
    .bin-metadata {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* ========== Pipeline Input View ========== */
.pipeline-input-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--background);
    overflow: hidden;
}

.pipeline-input-header {
    background: var(--surface);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pipeline-input-header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.pipeline-status-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
}

.pipeline-status-badge .status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--secondary-color);
}

.pipeline-status-badge .status-dot.success {
    background: var(--success-color);
}

.pipeline-status-badge .status-dot.error {
    background: #ef4444;
}

.pipeline-status-badge .status-text {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.pipeline-input-content {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.input-section {
    background: var(--surface);
    border-radius: 0.75rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.input-section .section-header {
    margin-bottom: 1.5rem;
}

.input-section .section-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.section-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.input-area {
    margin-bottom: 1.5rem;
}

.food-input {
    width: 100%;
    min-height: 300px;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: 0.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    resize: vertical;
    background: var(--background);
    color: var(--text-primary);
    transition: border-color 0.2s;
}

.food-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.food-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

.input-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.75rem;
}

.food-count {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ========== Database Selection ========== */
.database-selection {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.database-btn {
    flex: 1;
    min-width: 280px;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--background);
    border: 2px solid var(--border);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.database-btn:hover {
    border-color: var(--primary-color);
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.database-btn.active {
    border-color: var(--primary-color);
    background: #eff6ff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.database-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.database-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    text-align: left;
}

.database-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.database-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.database-btn.active .database-name {
    color: var(--primary-color);
}


.btn-clear {
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-clear:hover {
    background: #fee2e2;
    border-color: #fca5a5;
    color: #dc2626;
}

.action-area {
    margin-bottom: 2rem;
}

.btn-run-pipeline {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.25rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-run-pipeline:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-run-pipeline:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-run-pipeline.loading {
    opacity: 0.8;
    cursor: not-allowed;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.example-section {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.example-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.example-box {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    padding: 1rem;
    margin-bottom: 0.75rem;
}

.example-box pre {
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.example-note {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-style: italic;
}

.progress-section {
    background: var(--surface);
    border-radius: 0.75rem;
    padding: 1.5rem;
    border: 1px solid var(--border);
}

.progress-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.progress-log {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.log-entry {
    padding: 1rem;
    background: var(--background);
    border-left: 4px solid var(--border);
    border-radius: 0.375rem;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.log-entry.success {
    background: #f0fdf4;
    border-left-color: var(--success-color);
    color: #166534;
}

.log-entry.error {
    background: #fef2f2;
    border-left-color: #ef4444;
    color: #991b1b;
}

.log-entry.info {
    background: #eff6ff;
    border-left-color: var(--primary-color);
    color: #1e40af;
}

.log-entry strong {
    font-weight: 600;
}