:root {
    --bg-color: #f7f9fa;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --accent-color: #4f46e5;
    --accent-hover: #4338ca;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --ad-bg: #f1f5f9;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --border-radius: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* AdSense Placeholders */
.ad-placeholder {
    width: 100%;
    min-height: 90px;
    background-color: var(--ad-bg);
    border: 2px dashed #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    margin-bottom: 40px;
    border-radius: 8px;
    text-align: center;
    font-size: 0.9rem;
}
.middle-ad {
    margin-top: 10px;
}

.header {
    text-align: center;
    margin-bottom: 40px;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.header h1 span {
    color: var(--accent-color);
}

.header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 650px;
    margin: 0 auto;
}

.generator-controls {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    margin-bottom: 30px;
}

.controls-top {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    align-items: center;
}

.input-group {
    display: flex;
    gap: 10px;
    flex: 1;
}

.options-group {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-color);
    padding: 10px 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.options-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.dropdown-select {
    border: none;
    background: transparent;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
}

@media (max-width: 768px) {
    .controls-top {
        flex-direction: column;
    }
    .input-group, .options-group {
        width: 100%;
    }
    .input-group {
        flex-direction: column;
    }
}

input[type="text"] {
    flex: 1;
    padding: 15px 20px;
    font-size: 1.1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    outline: none;
    transition: all 0.2s;
}

input[type="text"]:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.btn {
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

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

.primary-btn:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
}

.platform-filters {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: 8px 16px;
    font-size: 0.9rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.2s;
}

.filter-btn:hover {
    background: #e2e8f0;
}

.filter-btn.active {
    background: var(--text-primary);
    color: white;
    border-color: var(--text-primary);
}

.hidden {
    display: none !important;
}

.results-area {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.platform-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s;
}

.card-header {
    background: var(--bg-color);
    padding: 15px 25px;
    border-bottom: 1px solid var(--border-color);
}

.platform-title {
    font-size: 1.2rem;
    font-weight: 600;
    text-transform: capitalize;
}

.card-body {
    padding: 25px;
}

.content-block {
    margin-bottom: 25px;
}

.content-block:last-child {
    margin-bottom: 0;
}

.block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.block-header h3 {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.char-count {
    font-size: 0.75rem;
    background: var(--bg-color);
    padding: 2px 8px;
    border-radius: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.tag-actions {
    display: flex;
    gap: 8px;
}

.btn-small {
    padding: 6px 14px;
    font-size: 0.85rem;
    background: var(--bg-color);
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.2s;
}

.btn-small:hover {
    background: #e2e8f0;
}

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

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

.generated-text {
    background: #f8fafc;
    padding: 15px;
    border-radius: 8px;
    border: 1px dashed var(--border-color);
    color: var(--text-primary);
    font-size: 0.95rem;
    white-space: pre-wrap;
}

/* SEO Content Area Styling */
.seo-content {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 40px;
}

.seo-content h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.seo-content h3 {
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: 1.3rem;
    color: var(--accent-color);
}

.seo-content p {
    margin-bottom: 15px;
    color: #475569;
}

.seo-content ol {
    margin-left: 20px;
    margin-bottom: 25px;
    color: #475569;
}

.seo-content li {
    margin-bottom: 8px;
}

.faq-item {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.faq-item h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text-primary);
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 1000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Navigation Styles */
.main-nav {
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}
.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active {
    color: var(--accent-color);
}
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}