:root {
    --primary: #4361ee;
    --secondary: #3a0ca3;
    --accent: #7209b7;
    --light: #f8f9fa;
    --dark: #212529;
    --success: #4cc9f0;
    --warning: #f72585;
    --gray: #adb5bd;
    --bg-dark: #161b28;
    --card-dark: #1a2035;
}

.ai-json-formatter-container * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.ai-json-formatter-container {
    background: linear-gradient(135deg, var(--bg-dark) 0%, #0d1b2a 100%);
    color: var(--light);
    min-height: 100vh;
    padding: 20px;
    line-height: 1.6;
}

.ai-json-formatter-container .container {
    max-width: 1200px;
    margin: 0 auto;
}

.ai-json-formatter-container header {
    text-align: center;
    padding: 20px 0;
    margin-bottom: 30px;
}

.ai-json-formatter-container .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 10px;
}

.ai-json-formatter-container .logo-icon {
    font-size: 2rem;
    color: var(--accent);
}

.ai-json-formatter-container h1 {
    font-size: 2.5rem;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 10px;
}

.ai-json-formatter-container .subtitle {
    color: var(--gray);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

.ai-json-formatter-container .tool-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

@media (max-width: 900px) {
    .ai-json-formatter-container .tool-container {
        grid-template-columns: 1fr;
    }
}

.ai-json-formatter-container .card {
    background: var(--card-dark);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    height: 100%;
}

.ai-json-formatter-container .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ai-json-formatter-container .card-title {
    font-size: 1.3rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-json-formatter-container .input-area, 
.ai-json-formatter-container .output-area {
    width: 100%;
    min-height: 250px;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.2);
    color: var(--light);
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.5;
    resize: vertical;
    white-space: pre;
    overflow-x: auto;
}

.ai-json-formatter-container .output-area {
    background: rgba(0, 0, 0, 0.3);
}

.ai-json-formatter-container .btn-container {
    display: flex;
    gap: 10px;
    margin: 15px 0;
    flex-wrap: wrap;
}

.ai-json-formatter-container .btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.ai-json-formatter-container .btn-primary {
    background: var(--primary);
    color: white;
}

.ai-json-formatter-container .btn-primary:hover {
    background: var(--secondary);
    transform: translateY(-2px);
}

.ai-json-formatter-container .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--light);
}

.ai-json-formatter-container .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.ai-json-formatter-container .ai-section {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    background: rgba(67, 97, 238, 0.1);
    border-left: 4px solid var(--primary);
}

.ai-json-formatter-container .ai-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--primary);
}

.ai-json-formatter-container .ai-response {
    line-height: 1.6;
    max-height: 200px;
    overflow-y: auto;
}

.ai-json-formatter-container .error {
    color: var(--warning);
    margin-top: 10px;
    padding: 10px;
    border-radius: 6px;
    background: rgba(247, 37, 133, 0.1);
    border-left: 4px solid var(--warning);
}

.ai-json-formatter-container .success {
    color: var(--success);
    margin-top: 10px;
    padding: 10px;
    border-radius: 6px;
    background: rgba(76, 201, 240, 0.1);
    border-left: 4px solid var(--success);
}

.ai-json-formatter-container .features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.ai-json-formatter-container .feature {
    background: var(--card-dark);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.ai-json-formatter-container .feature-icon {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--accent);
}

.ai-json-formatter-container footer {
    text-align: center;
    margin-top: 50px;
    padding: 20px;
    color: var(--gray);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.ai-json-formatter-container .json-key {
    color: var(--primary);
}

.ai-json-formatter-container .json-string {
    color: var(--success);
}

.ai-json-formatter-container .json-number {
    color: #f9a826;
}

.ai-json-formatter-container .json-boolean {
    color: var(--warning);
}

.ai-json-formatter-container .json-null {
    color: var(--gray);
}

.ai-json-formatter-container .tool-tip {
    position: relative;
    display: inline-block;
    margin-left: 5px;
    cursor: help;
}

.ai-json-formatter-container .tool-tip .tool-tip-text {
    visibility: hidden;
    width: 200px;
    background-color: var(--card-dark);
    color: var(--light);
    text-align: center;
    border-radius: 6px;
    padding: 5px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.85rem;
}

.ai-json-formatter-container .tool-tip:hover .tool-tip-text {
    visibility: visible;
    opacity: 1;
}

@media (max-width: 600px) {
    .ai-json-formatter-container h1 {
        font-size: 2rem;
    }
    
    .ai-json-formatter-container .btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
    
    .ai-json-formatter-container .input-area, 
    .ai-json-formatter-container .output-area {
        min-height: 200px;
    }
}