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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border-color: #475569;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
}

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

/* Left Panel */
.left-panel {
    width: 420px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.logo-section {
    padding: 12px 15px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    width: fit-content;
}

.logo i,
.logo-image {
    font-size: 48px;
    color: white;
}

.logo-image {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.logo h1 {
    font-size: 18px;
    font-weight: 700;
    color: white;
    line-height: 1.2;
}

.logo h1 span {
    font-size: 14px;
    font-weight: 400;
    opacity: 0.9;
}

.api-blocks {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.api-block {
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.api-block:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.block-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.block-header i {
    font-size: 24px;
    color: var(--primary-color);
}

.block-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.block-desc {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 15px;
    line-height: 1.5;
}

.btn-primary,
.btn-secondary,
.btn-execute,
.btn-icon,
.btn-settings {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    justify-content: center;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    margin-bottom: 10px;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

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

.btn-execute:hover:not(:disabled) {
    background: #059669;
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-execute:disabled {
    background: var(--secondary-color);
    cursor: not-allowed;
    opacity: 0.5;
}

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

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

.btn-icon {
    width: auto;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.btn-icon:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.file-info {
    background: var(--bg-secondary);
    padding: 10px;
    border-radius: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    display: none;
}

.file-info.active {
    display: block;
}

.token-help {
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.3);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    color: var(--primary-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.token-help i {
    font-size: 14px;
}

.success-note {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    color: var(--success-color);
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.success-note i {
    font-size: 14px;
}

textarea,
.token-input {
    width: 100%;
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: 'Courier New', monospace;
    margin-bottom: 10px;
    resize: vertical;
    transition: border-color 0.3s ease;
}

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

.settings-section {
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

.btn-settings {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.btn-settings:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
}

/* Right Panel */
.right-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
}

.output-header {
    padding: 25px 30px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.output-header h2 {
    font-size: 24px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}

.output-header i {
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    gap: 10px;
}

.output-content {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
}

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

.empty-state i {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.3;
}

.empty-state p {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.empty-state span {
    font-size: 14px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.output-text {
    white-space: pre-wrap;
    word-wrap: break-word;
    color: var(--text-primary);
}

.output-json {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.output-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger-color);
    padding: 20px;
    border-radius: 8px;
    color: #fca5a5;
}

.output-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success-color);
    padding: 20px;
    border-radius: 8px;
    color: #6ee7b7;
}

.output-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success-color);
    padding: 20px;
    border-radius: 8px;
    color: #6ee7b7;
}

.file-output-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    display: flex;
    align-items: center;
    gap: 20px;
}

.file-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.file-icon i {
    font-size: 30px;
    color: white;
}

.file-details h4 {
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.file-details p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 4px 0;
}

.action-buttons {
    display: flex;
    gap: 10px;
    margin: 20px 0;
}

.btn-download,
.btn-preview {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-download {
    background: var(--success-color);
    color: white;
    flex: 1;
}

.btn-download:hover {
    background: #059669;
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-preview {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    flex: 1;
}

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

.success-message {
    background: var(--bg-primary);
    padding: 12px;
    border-radius: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.success-message i {
    color: var(--primary-color);
}

.status-bar {
    padding: 15px 30px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 30px;
    font-size: 13px;
}

.status-item {
    display: flex;
    gap: 8px;
}

.status-label {
    color: var(--text-secondary);
    font-weight: 600;
}

.status-value {
    color: var(--text-primary);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.close {
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--danger-color);
}

.modal-body {
    padding: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
}

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

.modal-footer {
    padding: 20px 25px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* API Endpoints Info */
.api-endpoints-info {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.api-endpoints-info h3 {
    font-size: 16px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.endpoints-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.endpoints-table thead {
    background: var(--bg-primary);
}

.endpoints-table th,
.endpoints-table td {
    padding: 10px;
    text-align: left;
    border: 1px solid var(--border-color);
}

.endpoints-table th {
    color: var(--text-secondary);
    font-weight: 600;
}

.endpoints-table td {
    color: var(--text-primary);
}

.endpoints-table code {
    background: var(--bg-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: var(--primary-color);
}

.badge-yes,
.badge-no {
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.badge-yes {
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

.badge-no {
    background: rgba(16, 185, 129, 0.2);
    color: #6ee7b7;
}

/* Loading Overlay */
.loading-overlay {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.loading-overlay.active {
    display: flex;
}

.spinner {
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-overlay p {
    margin-top: 20px;
    font-size: 16px;
    color: var(--text-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}

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

/* Responsive */
@media (max-width: 1024px) {
    .left-panel {
        width: 350px;
    }
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    .left-panel {
        width: 100%;
        height: 50vh;
    }

    .right-panel {
        height: 50vh;
    }
}