/* Modern Glassmorphic Dark Design System for BoldBio.app */

:root {
    --bg-main: #F3F4F6;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-border: rgba(0, 0, 0, 0.08);
    --bg-toolbar: #F9FAFB;
    --bg-input: #FFFFFF;
    
    --primary: #F97316;
    --primary-hover: #EA580C;
    --primary-glow: rgba(249, 115, 22, 0.25);
    
    --accent: #FB923C;
    --accent-gradient: linear-gradient(135deg, #FF6B00 0%, #FF8800 50%, #FF5500 100%);
    
    --text-primary: #111827;
    --text-secondary: #4B5563;
    --text-muted: #9CA3AF;
    
    --border-color: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(249, 115, 22, 0.4);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    
    --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.07), 0 0 30px rgba(249, 115, 22, 0.08);
    --shadow-btn: 0 4px 14px 0 rgba(255, 107, 0, 0.35);
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

/* Reset & Box Sizing */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(249, 115, 22, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 85% 65%, rgba(255, 136, 0, 0.06) 0%, transparent 45%);
    background-attachment: fixed;
}

/* Container */
.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--accent-gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #FFF;
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.35);
}

.logo-dot {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-tagline {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    background: rgba(0, 0, 0, 0.04);
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 48px 0 28px;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Editor Section */
.editor-section {
    margin-bottom: 64px;
}

.editor-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.editor-card:focus-within {
    border-color: var(--border-hover);
}

/* Toolbar */
.editor-toolbar {
    background: var(--bg-toolbar);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 20px;
}

.toolbar-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.toolbar-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}

.style-buttons {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    overflow-x: auto;
    padding-top: 6px;
    padding-bottom: 6px;
    flex: 1;
    min-width: 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: #D1D5DB transparent;
}

.style-buttons::-webkit-scrollbar {
    height: 2px;
}

.style-buttons::-webkit-scrollbar-thumb {
    background: #D1D5DB;
    border-radius: 2px;
}

.style-btn {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 7px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
    user-select: none;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
    white-space: nowrap;
    flex-shrink: 0;
}

.style-btn:hover {
    background: #E5E7EB;
    border-color: #9CA3AF;
    color: var(--text-primary);
}

.style-btn:active {
    background: #D1D5DB;
}

.btn-reset {
    background: #FFFFFF;
    border: 1px solid #FCA5A5;
    color: #DC2626;
    padding: 7px 14px;
    font-size: 1.1rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 1px 2px rgba(220, 38, 38, 0.08);
}

.btn-reset:hover {
    background: #FEF2F2;
    border-color: #EF4444;
    color: #B91C1C;
}

/* Editor Input Area */
.editor-body {
    position: relative;
    padding: 24px;
    background: var(--bg-input);
}

.editor-input {
    min-height: 180px;
    outline: none;
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--text-primary);
    word-break: break-word;
    white-space: pre-wrap;
}

.editor-input[data-placeholder]:empty::before {
    content: attr(data-placeholder);
    color: var(--text-muted);
    cursor: text;
}

/* Footer & Stats */
.editor-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--bg-toolbar);
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 16px;
}

.editor-stats {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stat-divider {
    color: var(--text-muted);
}

.editor-actions {
    display: flex;
    gap: 12px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #FFF;
    box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
    opacity: 0.94;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(255, 107, 0, 0.45);
}

.btn-secondary {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

.btn-secondary:hover {
    background: #F9FAFB;
    color: var(--text-primary);
    border-color: #D1D5DB;
}

/* SEO Content Sections */
.seo-section {
    margin-bottom: 64px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.85rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-primary);
    text-align: center;
}

.section-intro {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 36px;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* Steps Grid */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.step-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    position: relative;
    transition: transform 0.3s ease, border-color 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

.step-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
}

.step-number {
    width: 44px;
    height: 44px;
    background: var(--accent-gradient);
    color: #FFF;
    font-weight: 800;
    font-size: 1.2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(255, 107, 0, 0.3);
}

.step-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.step-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Use Cases Grid */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.use-case-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: border-color 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

.use-case-card:hover {
    border-color: var(--border-hover);
}

.use-case-icon {
    font-size: 2rem;
    margin-bottom: 14px;
}

.use-case-card h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.use-case-card p {
    color: var(--text-secondary);
    font-size: 0.925rem;
}

/* Info Banner */
.info-banner {
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.08) 0%, rgba(255, 136, 0, 0.12) 100%);
    border: 1px solid rgba(249, 115, 22, 0.25);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.banner-content h2 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.banner-content p {
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-size: 1rem;
}

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

.banner-content code {
    background: rgba(249, 115, 22, 0.12);
    padding: 2px 6px;
    border-radius: 4px;
    color: #C2410C;
    font-family: monospace;
}

/* FAQ Accordion */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.faq-question {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.faq-answer {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Footer */
.footer {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    background: #FFFFFF;
    padding: 36px 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-brand {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #10B981;
    color: #FFF;
    padding: 14px 24px;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.4);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 1000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Mobile Responsive Adjustments */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }

    .nav-tagline {
        display: none;
    }

    .editor-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .editor-actions {
        width: 100%;
    }

    .btn {
        flex: 1;
        justify-content: center;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}