/* AI SEO Analyzer Styles */
:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-card: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: #b8c5d1;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-border: linear-gradient(90deg, #667eea, #764ba2, #f093fb, #f5576c, #4facfe, #00f2fe);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

#ai-seo-analyzer {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    min-height: 100vh;
    padding: 2rem;
    margin: -2rem -2rem 0;
}

.analyzer-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 3rem;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow);
}

.analyzer-container::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-border);
    border-radius: 26px;
    z-index: -1;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

.analyzer-container h2 {
    color: var(--text-primary);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-align: center;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.analyzer-container p {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

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

.input-group label {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.input-group input {
    width: 100%;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.input-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.input-group input::placeholder {
    color: var(--text-secondary);
}

.analyze-btn {
    width: 100%;
    padding: 1.2rem 2rem;
    background: var(--gradient-1);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin-top: 1rem;
}

.analyze-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.4);
}

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

.analyze-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-loader::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

#loading-animation {
    text-align: center;
    padding: 3rem;
}

.loading-container {
    color: var(--text-primary);
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

.loading-container p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

#analysis-results {
    margin-top: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.results-header h3 {
    color: var(--text-primary);
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
}

.pdf-btn {
    padding: 0.8rem 1.5rem;
    background: var(--gradient-2);
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pdf-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 25px rgba(240, 147, 251, 0.4);
}

#results-content {
    color: var(--text-primary);
    line-height: 1.7;
}

#results-content h1,
#results-content h2,
#results-content h3 {
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

#results-content h1 {
    font-size: 1.8rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#results-content h2 {
    font-size: 1.5rem;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#results-content h3 {
    font-size: 1.3rem;
    background: var(--gradient-3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#results-content ul {
    padding-left: 1.5rem;
    margin: 1rem 0;
}

#results-content li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

#results-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

#results-content pre {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 1rem 0;
}

#results-content code {
    color: #4facfe;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    #ai-seo-analyzer {
        padding: 1rem;
        margin: -1rem -1rem 0;
    }
    
    .analyzer-container {
        padding: 2rem;
        border-radius: 16px;
    }
    
    .analyzer-container h2 {
        font-size: 2rem;
    }
    
    .results-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .pdf-btn {
        width: 100%;
        text-align: center;
    }
}

/* Print styles for PDF */
@media print {
    #ai-seo-analyzer {
        background: white;
        color: black;
        padding: 0;
        margin: 0;
    }
    
    .analyzer-container {
        background: white;
        box-shadow: none;
        border: none;
        padding: 1rem;
    }
    
    .analyzer-container::before {
        display: none;
    }
    
    #seo-analyzer-form,
    .results-header {
        display: none;
    }
    
    #results-content {
        color: black;
    }
    
    #results-content h1,
    #results-content h2,
    #results-content h3 {
        color: black;
        -webkit-text-fill-color: initial;
    }
}