/* ==========================================================================
   Component: Navbar
   ========================================================================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(var(--bg-primary-rgb), 0.85); /* Need to convert to rgba if we want exact glassmorphism, using fallback below */
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all var(--transition-normal);
}

/* For glassmorphism we'll use a trick or just slight opacity if CSS variables permit. We'll stick to a solid fallback + border for now */

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    color: white;
    border-radius: var(--radius-md);
    font-size: 1.25rem;
}

.logo-text .highlight {
    color: var(--brand-primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--brand-primary);
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.theme-toggle:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 2rem;
    height: 2rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.mobile-menu-btn span {
    width: 2rem;
    height: 0.25rem;
    background: var(--text-primary);
    border-radius: 10px;
    transition: all 0.3s linear;
    position: relative;
    transform-origin: 1px;
}

/* ==========================================================================
   Component: Hero Section
   ========================================================================== */
.hero {
    position: relative;
    padding: 6rem 0 4rem;
    overflow: hidden;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.hero-bg-glow {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, rgba(255,255,255,0) 70%);
    z-index: -1;
    pointer-events: none;
}

[data-theme="dark"] .hero-bg-glow {
    background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, rgba(15,23,42,0) 70%);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.search-container {
    max-width: 600px;
    margin: 0 auto 4rem;
    position: relative;
    z-index: 20;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 1.5rem;
    color: var(--text-tertiary);
}

.search-input-wrapper input {
    width: 100%;
    padding: 1.25rem 1.5rem 1.25rem 3.5rem;
    font-size: 1.125rem;
    border-radius: var(--radius-full);
    border: 2px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    font-family: inherit;
}

.search-input-wrapper input:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-glow);
}

.search-results {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    flex-direction: column;
    text-align: left;
}

.search-results.active {
    display: flex;
}

.search-result-item {
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-primary);
    transition: background-color var(--transition-fast);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background-color: var(--bg-tertiary);
}

.search-result-icon {
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-primary);
    font-size: 1.25rem;
}

.search-result-title {
    font-weight: 600;
}

.search-result-category {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ==========================================================================
   Component: Cards & Grids
   ========================================================================== */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.category-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: left;
    transition: all var(--transition-normal);
    cursor: pointer;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-primary);
}

.category-icon {
    width: 3.5rem;
    height: 3.5rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--brand-primary);
    font-size: 1.5rem;
    transition: background-color var(--transition-normal);
}

.category-card:hover .category-icon {
    background-color: rgba(59, 130, 246, 0.1);
}

.category-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.category-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.category-meta {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--brand-primary);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-normal);
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.tool-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand-primary);
}

.tool-icon {
    width: 3rem;
    height: 3rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-primary);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.tool-info {
    flex-grow: 1;
}

.tool-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.tool-category {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* ==========================================================================
   Component: Tool Page Specific UI
   ========================================================================== */
.tool-header {
    text-align: center;
    margin-bottom: 3rem;
}

.tool-header-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.tool-header-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.tool-workspace {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 3rem;
}

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

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

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

textarea.form-control {
    resize: vertical;
    min-height: 150px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--brand-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--border-color);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--text-primary);
    background-color: var(--bg-secondary);
}

.tool-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

/* Panels (Input/Output split) */
.split-panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .split-panels {
        grid-template-columns: 1fr;
    }
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 2rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-desc {
    color: var(--text-secondary);
    margin-top: 1rem;
    max-width: 300px;
}

.footer-links-group h3 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-links-group a {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.footer-links-group a:hover {
    color: var(--brand-primary);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        gap: 2rem;
        flex-wrap: wrap;
    }
    
    .nav-links {
        display: none; /* Hide default, show in mobile menu via JS if needed */
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}