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

:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-primary: #3b82f6;
    --accent-hover: #2563eb;
    --accent-success: #22c55e;
    --accent-warning: #f59e0b;
    --accent-error: #ef4444;
    --border-color: #334155;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: all 0.2s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

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

.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
}

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

.logo svg {
    width: 32px;
    height: 32px;
    color: var(--accent-primary);
}

.logo-emoji {
    font-size: 2rem;
    line-height: 1;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.ai-steps {
    background: linear-gradient(90deg, rgba(139, 92, 246, 0.2), rgba(59, 130, 246, 0.2));
    color: var(--text-primary);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-weight: 500;
}

.main-content {
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.grid-layout {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 1200px) {
    .grid-layout {
        grid-template-columns: 1fr 1fr;
    }
    .logs-panel {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .grid-layout {
        grid-template-columns: 1fr;
    }
    .logs-panel {
        grid-column: span 1;
    }
}

.panel {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

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

.panel-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.panel-body {
    padding: 1.25rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.api-key-group {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(59, 130, 246, 0.05));
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1.25rem;
}

.api-key-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.api-key-group .key-icon {
    width: 18px;
    height: 18px;
    color: var(--accent-primary);
}

.required-badge {
    font-size: 0.7rem;
    font-weight: 500;
    background: var(--accent-primary);
    color: white;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.api-key-input {
    border-color: rgba(59, 130, 246, 0.4) !important;
}

.api-key-input:focus {
    border-color: var(--accent-primary) !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3) !important;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.checkbox-group {
    margin-top: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
}

.info-box {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1rem;
}

.info-box h4 {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.info-box code {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: 'Monaco', 'Consolas', monospace;
    word-break: break-all;
    margin-bottom: 0.25rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.btn svg {
    width: 18px;
    height: 18px;
}

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

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

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.btn-secondary:hover {
    background: #475569;
}

.btn-success {
    background: var(--accent-success);
    color: white;
    width: auto;
}

.btn-success:hover {
    background: #16a34a;
}

.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 1rem;
}

.upload-zone:hover {
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.05);
}

.upload-zone svg {
    width: 40px;
    height: 40px;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.upload-zone p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.upload-zone.dragover {
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.1);
}

.csv-info {
    margin-bottom: 1rem;
}

.csv-stats {
    background: var(--bg-primary);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.csv-preview {
    margin-bottom: 1rem;
}

.csv-preview h4 {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.table-container {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    max-height: 200px;
    overflow-y: auto;
}

.results-table-container {
    max-height: 400px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

th, td {
    padding: 0.625rem 0.875rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-secondary);
    position: sticky;
    top: 0;
}

td {
    background: var(--bg-primary);
    color: var(--text-primary);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

tr:hover td {
    background: var(--bg-secondary);
}

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

.status-indicator .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}

.status-indicator.running .dot {
    background: var(--accent-warning);
    animation: pulse 1.5s infinite;
}

.status-indicator.complete .dot {
    background: var(--accent-success);
}

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

.progress-bar {
    height: 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: var(--accent-primary);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    position: absolute;
    right: 0;
    top: -20px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.log-container {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: 1rem;
    height: 300px;
    overflow-y: auto;
}

.log-container pre {
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.75rem;
    line-height: 1.6;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-all;
}

.results-panel {
    margin-top: 1.5rem;
}

.results-header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.results-count {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.empty-state td {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
    font-style: italic;
}

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

.hidden {
    display: none !important;
}

.advanced-settings {
    margin-top: 0.5rem;
    margin-bottom: 1rem;
}

.advanced-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0.5rem 0;
    transition: var(--transition);
}

.advanced-toggle:hover {
    color: var(--text-primary);
}

.advanced-toggle .toggle-icon {
    width: 16px;
    height: 16px;
    transition: transform 0.2s ease;
}

.advanced-toggle.expanded .toggle-icon {
    transform: rotate(180deg);
}

.advanced-content {
    display: none;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    margin-top: 0.75rem;
}

.advanced-content.show {
    display: block;
}

.prompts-section {
    margin-bottom: 1rem;
}

.prompts-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0.5rem 0;
    transition: var(--transition);
}

.prompts-toggle:hover {
    color: var(--accent-hover);
}

.prompts-toggle .toggle-icon {
    width: 16px;
    height: 16px;
    transition: transform 0.2s ease;
}

.prompts-toggle.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.prompts-content {
    display: block;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    margin-top: 0.75rem;
}

.prompts-content.hidden {
    display: none;
}

.prompts-content textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.8rem;
    font-family: 'Monaco', 'Consolas', monospace;
    line-height: 1.5;
    resize: vertical;
    transition: var(--transition);
}

.prompts-content textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1000;
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    margin-top: 0.75rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.3s ease;
    max-width: 400px;
}

.toast.success {
    border-left: 4px solid var(--accent-success);
}

.toast.error {
    border-left: 4px solid var(--accent-error);
}

.toast p {
    font-size: 0.875rem;
    color: var(--text-primary);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}