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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4efe9 100%);
    min-height: 100vh;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 30px 20px;
}

.header {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px;
    background: linear-gradient(135deg, #2d6a4f 0%, #40916c 100%);
    border-radius: 16px;
    color: white;
    box-shadow: 0 4px 20px rgba(45, 106, 79, 0.3);
}

.header h1 {
    font-size: 28px;
    margin-bottom: 12px;
    font-weight: 600;
}

.header .description {
    font-size: 15px;
    opacity: 0.9;
    line-height: 1.6;
}

.api-section,
.input-section {
    background: white;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

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

.input-group label {
    display: block;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
    font-size: 14px;
}

.input-group input[type="password"],
.input-group textarea,
.input-group select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.input-group input[type="password"]:focus,
.input-group textarea:focus {
    outline: none;
    border-color: #40916c;
    box-shadow: 0 0 0 3px rgba(64, 145, 108, 0.1);
}

.input-group textarea {
    min-height: 200px;
    resize: vertical;
    line-height: 1.6;
}

.button-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, #2d6a4f 0%, #40916c 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(45, 106, 79, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: #e2e8f0;
    color: #4a5568;
}

.btn-secondary:hover {
    background: #cbd5e0;
}

.btn-danger {
    background: #fef2f2;
    color: #dc2626;
    border: 2px solid #fecaca;
}

.btn-danger:hover {
    background: #fee2e2;
}

.status-section {
    margin-bottom: 20px;
}

.status {
    padding: 14px 16px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    display: none;
}

.status.loading {
    background: #f0fdf4;
    color: #166534;
    display: flex;
}

.status.error {
    background: #fef2f2;
    color: #dc2626;
    display: flex;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #40916c;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.error-icon {
    font-size: 18px;
    font-weight: bold;
}

.output-section {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.output-section h2 {
    font-size: 18px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #e2e8f0;
}

.output-content {
    min-height: 200px;
    line-height: 1.8;
    color: #4a5568;
}

.output-content .empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 150px;
    color: #a0aec0;
    text-align: center;
}

.output-content.markdown-content {
    padding: 16px;
    background: #f8fafc;
    border-radius: 10px;
    overflow-x: auto;
}

.output-content.markdown-content h1,
.output-content.markdown-content h2,
.output-content.markdown-content h3,
.output-content.markdown-content h4,
.output-content.markdown-content h5,
.output-content.markdown-content h6 {
    color: #1a202c;
    margin-top: 20px;
    margin-bottom: 12px;
    font-weight: 600;
}

.output-content.markdown-content h1 { font-size: 24px; }
.output-content.markdown-content h2 { font-size: 20px; }
.output-content.markdown-content h3 { font-size: 18px; }

.output-content.markdown-content p {
    margin-bottom: 12px;
}

.output-content.markdown-content ul,
.output-content.markdown-content ol {
    padding-left: 24px;
    margin-bottom: 12px;
}

.output-content.markdown-content li {
    margin-bottom: 6px;
}

.output-content.markdown-content code {
    background: #e2e8f0;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 14px;
}

.output-content.markdown-content pre {
    background: #1a202c;
    color: #e2e8f0;
    padding: 16px;
    border-radius: 10px;
    overflow-x: auto;
    margin: 12px 0;
}

.output-content.markdown-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.output-content.markdown-content blockquote {
    border-left: 4px solid #40916c;
    padding-left: 16px;
    margin: 12px 0;
    color: #718096;
    font-style: italic;
}

.output-content.markdown-content hr {
    border: none;
    border-top: 2px solid #e2e8f0;
    margin: 20px 0;
}

.output-content.markdown-content a {
    color: #40916c;
    text-decoration: none;
}

.output-content.markdown-content a:hover {
    text-decoration: underline;
}

@media (max-width: 640px) {
    .container {
        padding: 20px 15px;
    }

    .header h1 {
        font-size: 22px;
    }

    .button-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}

.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: #2d6a4f;
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    z-index: 1000;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}