/* ==========================================================================
   USA CLI TOOLS - World-Class Mobile-First Responsive Enterprise Design System
   Sleek Segmented Controls + Mobile Header Fixes + Soft Light Code Boxes (#F5F0F0)
   Word Wrap & Grid Width Fixes (No letter splitting like U\nS))
   Header Mega Menu Architecture - Strict Single-Line Links (white-space: nowrap)
   Ultra-Advanced Enterprise Footer (Stripe & Vercel Design System)
   FIX: Active / Clicked Button Text & Icon Color (Pure White #FFFFFF)
   ========================================================================== */

:root {
    /* Brand Accent Colors */
    --brand-primary: #ff5500;
    --brand-primary-hover: #e04b00;
    --brand-primary-light: #fff7ed;
    --brand-primary-subtle: #ffedd5;
    
    /* Dark Obsidian & Slate Neutrals */
    --brand-dark: #0f172a;
    --brand-dark-subtle: #1e293b;
    --brand-dark-muted: #334155;
    
    /* Overall Site Background */
    --bg-main: #f4f6fa;
    --bg-subtle: #e2e8f0;
    --bg-card: #ffffff;
    --bg-hover: #f8fafc;
    
    /* Code Editor Box Background (Soft Off-White Light Slate #F5F0F0) */
    --bg-code: #f5f0f0;
    --text-code: #0f172a;
    
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --text-inverted: #ffffff;
    
    --border-color: #cbd5e1;
    --border-hover: #ff5500;
    --border-dark: #1e293b;
    
    --accent-success: #16a34a;
    --accent-warning: #d97706;
    --accent-danger: #dc2626;
    
    --font-cairo: 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
    
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 14px -2px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 12px 30px -4px rgba(15, 23, 42, 0.12);
    --shadow-glow: 0 4px 18px rgba(255, 85, 0, 0.28);
    --shadow-focus: 0 0 0 3px rgba(255, 85, 0, 0.25);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-pill: 9999px;
    
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Reset & Anti-Overflow */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body, button, input, textarea, select {
    font-family: var(--font-cairo) !important;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

::selection {
    background-color: var(--brand-primary);
    color: #ffffff;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-cairo) !important;
    color: var(--text-primary);
    font-weight: 800;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

h1 { font-size: 2.2rem; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1.05rem; }

p { color: var(--text-secondary); }

a {
    color: var(--brand-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* App Container */
#root {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
    max-width: 100%;
}

/* Modern Header Component */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.85);
    box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
    height: 74px;
    display: flex;
    align-items: center;
}

.header-inner {
    position: relative;
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

/* Horizontal Brand Header Logo */
.brand-wrapper {
    display: flex;
    align-items: center;
    cursor: pointer;
    flex-shrink: 0;
}

.brand-logo-header {
    height: 52px;
    width: auto;
    max-height: 56px;
    max-width: 260px;
    object-fit: contain;
    image-rendering: -webkit-optimize-contrast;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.08));
    transition: transform var(--transition-fast);
}

.brand-wrapper:hover .brand-logo-header {
    transform: scale(1.03);
}

.footer-logo-img {
    height: 64px;
    width: auto;
    max-width: 280px;
    object-fit: contain;
    image-rendering: -webkit-optimize-contrast;
}

/* Header Navigation Controls */
.header-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.nav-link-btn {
    padding: 0.55rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: #334155;
    background-color: #ffffff;
    border: 1.5px solid #e2e8f0;
    border-radius: var(--radius-pill);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap !important;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.03);
}

.nav-link-btn i {
    color: var(--brand-primary);
    font-size: 0.9rem;
    transition: transform 0.2s ease;
}

.nav-link-btn:hover {
    color: var(--brand-primary);
    background-color: #f8fafc;
    border-color: var(--brand-primary);
    box-shadow: 0 4px 12px rgba(255, 85, 0, 0.12);
}

.nav-link-btn.active,
.nav-link-btn.active:hover,
.nav-link-btn.active:focus {
    color: #ffffff !important;
    background: linear-gradient(135deg, var(--brand-primary) 0%, #ea580c 100%) !important;
    border-color: var(--brand-primary) !important;
    box-shadow: 0 4px 16px rgba(255, 85, 0, 0.35) !important;
}

.nav-link-btn.active i {
    color: #ffffff !important;
}

/* Header Dropdown Mega Menu System - STRICT SINGLE LINE (NO WRAPPING) */
.header-dropdown {
    position: static;
}

.mega-menu-content {
    display: none;
    position: absolute;
    top: calc(100% + 12px);
    z-index: 1000;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem 1.75rem;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.15);
    width: calc(100% - 4rem);
    max-width: 1240px;
    gap: 1.5rem;
}

/* Invisible Hover Bridge - Prevents Dropdown Hiding When Moving Mouse */
.mega-menu-content::before {
    content: '';
    position: absolute;
    top: -18px;
    left: 0;
    right: 0;
    height: 18px;
    background: transparent;
}

html[dir="ltr"] .mega-menu-content {
    left: 2rem;
    right: auto;
}

html[dir="rtl"] .mega-menu-content {
    right: 2rem;
    left: auto;
}

.header-dropdown:hover .mega-menu-content,
.header-dropdown.open .mega-menu-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    animation: megaIn 0.2s ease-out forwards;
}

@keyframes megaIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.mega-col-title {
    font-size: 0.775rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--brand-primary);
    padding-bottom: 0.35rem;
    margin-bottom: 0.4rem;
    border-bottom: 2px solid var(--brand-primary-light);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    white-space: nowrap !important;
}

.mega-menu-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.mega-link {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.325rem 0.45rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap !important;
}

.mega-link span {
    white-space: nowrap !important;
}

.mega-link i {
    width: 16px;
    text-align: center;
    color: var(--text-muted);
    flex-shrink: 0;
}

.mega-link:hover {
    color: var(--brand-primary);
    background-color: var(--brand-primary-light);
}

.mega-link:hover i { color: var(--brand-primary); }

.mega-link.active {
    color: var(--brand-primary);
    background-color: var(--brand-primary-light);
    font-weight: 800;
}

/* Header Right Controls */
.header-right-tools {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Custom Modern Language Dropdown Component */
.lang-dropdown-custom {
    position: relative;
    display: inline-block;
}

.lang-dropdown-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #ffffff;
    border: 1.5px solid #cbd5e1;
    border-radius: var(--radius-pill);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 800;
    color: #0f172a;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
    transition: all 0.2s ease;
}

.lang-dropdown-btn:hover {
    border-color: var(--brand-primary);
    box-shadow: 0 4px 14px rgba(255, 85, 0, 0.16);
}

.lang-dropdown-btn .lang-flag {
    font-size: 1.15rem;
    line-height: 1;
}

.lang-dropdown-btn .lang-arrow {
    font-size: 0.7rem;
    color: #64748b;
    margin-left: 0.2rem;
    transition: transform 0.2s ease;
}

html[dir="rtl"] .lang-dropdown-btn .lang-arrow {
    margin-left: 0;
    margin-right: 0.2rem;
}

.lang-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    z-index: 1100;
    min-width: 165px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 0.4rem;
    box-shadow: 0 14px 36px rgba(15, 23, 42, 0.16);
    animation: langIn 0.18s ease-out forwards;
}

html[dir="rtl"] .lang-dropdown-menu {
    right: auto;
    left: 0;
}

.lang-dropdown-menu.show {
    display: block;
}

@keyframes langIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.lang-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.6rem 0.85rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: #334155;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s ease;
}

.lang-option:hover {
    background-color: var(--brand-primary-light);
    color: var(--brand-primary);
}

.lang-option.active {
    background-color: #f1f5f9;
    color: var(--brand-primary);
    font-weight: 800;
}

.lang-option .lang-check {
    font-size: 0.75rem;
    color: var(--brand-primary);
}

/* Mobile Toggle Menu Button */
.mobile-menu-toggle {
    display: none;
    font-size: 1.2rem;
    color: var(--text-primary);
    background: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.75rem;
    cursor: pointer;
}

/* Mobile Navigation Drawer */
.mobile-nav-drawer {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    z-index: 2000;
}

.mobile-nav-drawer.open {
    display: block;
}

.mobile-drawer-inner {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 320px;
    max-width: 88%;
    background-color: #ffffff;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    overflow-y: auto;
}

html[dir="ltr"] .mobile-drawer-inner { left: 0; }
html[dir="rtl"] .mobile-drawer-inner { right: 0; }

.mobile-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.25rem;
}

.mobile-drawer-close {
    background: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.mobile-cat-title {
    font-size: 0.8rem;
    font-weight: 900;
    text-transform: uppercase;
    color: var(--brand-primary);
    margin-bottom: 0.5rem;
    white-space: nowrap !important;
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    list-style: none;
}

/* FULL WIDTH MAIN WRAPPER (NO SIDEBAR) */
.main-wrapper {
    flex: 1;
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.75rem;
    display: block;
}

/* Content Area */
.content-area { min-width: 0; width: 100%; }

/* Hero Banner */
.hero-banner {
    background: linear-gradient(135deg, #ffffff 0%, #fff7ed 60%, #ffedd5 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.75rem 2.5rem;
    margin-bottom: 2.25rem;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-content {
    flex: 1;
    max-width: 680px;
    z-index: 2;
}

.hero-banner h1 {
    color: var(--brand-dark);
    font-size: 2.2rem;
    font-weight: 900;
    margin-bottom: 0.75rem;
}

.hero-banner p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 680px;
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    gap: 3.25rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.6rem;
}

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

.stat-val {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--brand-primary);
    font-family: var(--font-mono) !important;
}

.stat-lbl {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 800;
    text-transform: uppercase;
}

.hero-mesh-graphic {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 460px;
    height: 290px;
    pointer-events: none;
    z-index: 1;
}

html[dir="ltr"] .hero-mesh-graphic { right: -20px; }
html[dir="rtl"] .hero-mesh-graphic { left: -20px; transform: translateY(-50%) scaleX(-1); }

/* Modern Segmented Control Container */
.tools-showcase-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.75rem;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.showcase-title-box {
    display: flex;
    align-items: center;
    gap: 0.95rem;
}

.showcase-title-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--brand-primary) 0%, #ea580c 100%);
    color: #ffffff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-glow);
}

.category-filter-pills {
    display: flex;
    gap: 0.35rem;
    background-color: #e2e8f0;
    padding: 0.35rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-color);
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.category-filter-pills::-webkit-scrollbar { display: none; }

.filter-pill {
    padding: 0.55rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 800;
    background-color: transparent;
    color: var(--text-secondary);
    border: none;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap !important;
}

.filter-pill:hover {
    color: var(--brand-primary);
}

.filter-pill.active {
    background: linear-gradient(135deg, var(--brand-primary) 0%, #ea580c 100%);
    color: #ffffff !important;
    box-shadow: var(--shadow-glow);
}

/* CLEAN & ULTRA-MODERN DASHBOARD CARDS SHOWCASE (VERCEL / STRIPE STYLE) */
.clean-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.35rem;
}

.modern-tool-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.modern-tool-card:hover {
    border-color: var(--brand-primary);
    box-shadow: 0 10px 28px rgba(255, 85, 0, 0.16);
    transform: translateY(-3px);
}

.modern-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.modern-card-icon {
    width: 44px;
    height: 44px;
    background-color: var(--brand-primary-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-primary);
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

.modern-tool-card:hover .modern-card-icon {
    background: linear-gradient(135deg, var(--brand-primary) 0%, #ea580c 100%);
    color: #ffffff;
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-glow);
}

.modern-card-arrow {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background-color: var(--bg-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

html[dir="rtl"] .modern-card-arrow i { transform: scaleX(-1); }

.modern-tool-card:hover .modern-card-arrow {
    background-color: var(--brand-primary);
    color: #ffffff;
    transform: translateX(3px);
}

html[dir="rtl"] .modern-tool-card:hover .modern-card-arrow {
    transform: translateX(-3px);
}

.modern-card-body h3 {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

.modern-card-body p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* RICH ABOUT SITE & SERVICES INFORMATION SECTION */
.about-services-section {
    margin-top: 3.5rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.75rem 2.25rem;
    box-shadow: var(--shadow-sm);
}

.about-section-header {
    text-align: center;
    max-width: 820px;
    margin: 0 auto 2.5rem auto;
}

.about-section-header h2 {
    font-size: 1.85rem;
    font-weight: 900;
    color: var(--brand-dark);
    margin-bottom: 0.65rem;
}

.about-section-header p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

.services-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.6rem;
}

.service-feature-card {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.65rem;
    transition: all var(--transition-fast);
}

.service-feature-card:hover {
    border-color: var(--brand-primary);
    background-color: #ffffff;
    box-shadow: 0 8px 24px rgba(255, 85, 0, 0.12);
    transform: translateY(-2px);
}

.feature-icon-box {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--brand-primary) 0%, #ea580c 100%);
    color: #ffffff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 1.15rem;
    box-shadow: var(--shadow-glow);
}

.service-feature-card h3 {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.service-feature-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Tool View Header & Workspace */
.tool-view-header {
    margin-bottom: 1.85rem;
    padding-bottom: 1.35rem;
    border-bottom: 2px solid var(--border-color);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
}

html[dir="rtl"] .breadcrumb i { transform: scaleX(-1); }

.tool-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.tool-title-wrapper {
    display: flex;
    align-items: center;
    gap: 1.15rem;
}

.tool-title-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--brand-primary) 0%, #ea580c 100%);
    color: #ffffff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: var(--shadow-glow);
}

.tool-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 0.2rem;
}

/* Tool Workspace Container */
.tool-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 2.25rem;
    box-shadow: var(--shadow-sm);
}

/* File Upload Dropzone */
.file-dropzone {
    border: 2px dashed var(--brand-primary);
    background-color: #fdf8f6;
    border-radius: var(--radius-md);
    padding: 1.6rem 1rem;
    text-align: center;
    margin-bottom: 1.6rem;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.file-dropzone:hover, .file-dropzone.dragover {
    border-color: var(--brand-primary-hover);
    background-color: var(--brand-primary-subtle);
}

.file-dropzone-icon {
    font-size: 2.15rem;
    color: var(--brand-primary);
    margin-bottom: 0.45rem;
}

.file-dropzone-text {
    font-size: 0.925rem;
    font-weight: 700;
    color: var(--text-primary);
}

.file-dropzone-subtext {
    font-size: 0.8rem;
    color: var(--brand-primary);
    margin-top: 0.2rem;
}

/* Input Output Dual Panel */
.io-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.6rem;
}

@media (max-width: 900px) {
    .io-grid { grid-template-columns: 1fr; }
}

.panel-box {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

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

.panel-title {
    font-size: 0.875rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

/* INPUT & OUTPUT BOXES - WARM SOFT LIGHT BOX (#F5F0F0) */
.editor-textarea {
    width: 100%;
    height: 300px;
    padding: 1.1rem;
    font-family: var(--font-mono) !important;
    font-size: 0.9rem;
    line-height: 1.6;
    background-color: #f5f0f0 !important;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: #0f172a !important;
    resize: vertical;
    outline: none;
    transition: all var(--transition-fast);
}

.editor-textarea:focus {
    background-color: #ffffff !important;
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-focus);
}

.output-display {
    width: 100%;
    height: 300px;
    padding: 1.1rem;
    font-family: var(--font-mono) !important;
    font-size: 0.9rem;
    line-height: 1.6;
    background-color: #f5f0f0 !important;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: #0f172a !important;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

/* Buttons System */
.btn-toolbar {
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.65rem 1.35rem;
    font-size: 0.875rem;
    font-weight: 800;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
    white-space: nowrap !important;
}

.btn-primary,
.btn-primary:hover,
.btn-primary:focus,
.btn-primary i {
    background: linear-gradient(135deg, var(--brand-primary) 0%, #ea580c 100%);
    color: #ffffff !important;
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #ff6600 0%, #c2410c 100%);
    box-shadow: 0 6px 24px rgba(255, 85, 0, 0.35);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--brand-dark);
    color: #ffffff !important;
    border: 1px solid var(--brand-dark);
}

.btn-secondary:hover {
    background-color: var(--brand-dark-subtle);
    border-color: var(--brand-primary);
    color: var(--brand-primary) !important;
}

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

.btn-outline:hover {
    color: var(--brand-primary);
    border-color: var(--brand-primary);
    background-color: var(--brand-primary-light);
}

.btn-sm {
    padding: 0.45rem 1.05rem;
    font-size: 0.825rem;
}

/* Form Controls */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.35rem;
    margin-bottom: 1.35rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1.05rem;
    font-size: 0.9rem;
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    color: var(--text-primary);
    outline: none;
    transition: all var(--transition-fast);
}

.form-control:focus {
    background-color: var(--bg-card);
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-focus);
}

/* Key Value Info Cards (FIXED WORD BREAK & GRID WIDTH) */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.15rem;
}

.info-card-item {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.info-card-label {
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--brand-primary);
    margin-bottom: 0.45rem;
    white-space: nowrap !important;
}

.info-card-value {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text-primary);
    font-family: var(--font-mono) !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    white-space: normal;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    bottom: 2.25rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    pointer-events: none;
}

html[dir="ltr"] #toast-container { right: 2.25rem; }
html[dir="rtl"] #toast-container { left: 2.25rem; }

.toast {
    pointer-events: auto;
    background-color: var(--brand-dark);
    color: #ffffff;
    border: 1px solid var(--brand-primary);
    padding: 0.9rem 1.5rem;
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.7rem;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ULTRA-ADVANCED ENTERPRISE FOOTER DESIGN SYSTEM */
.site-footer {
    background-color: #0b1120;
    color: #ffffff;
    border-top: 1px solid #1e293b;
    padding: 4.25rem 1.75rem 2rem 1.75rem;
    margin-top: 5rem;
    position: relative;
}

.footer-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.8fr repeat(4, 1fr);
    gap: 2rem;
    padding-bottom: 3.25rem;
    border-bottom: 1px solid #1e293b;
}

.footer-brand-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    text-align: center;
}

.footer-brand-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.footer-logo-img {
    height: 190px;
    width: auto;
    max-width: 340px;
    display: block;
    margin: 0 auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 14px rgba(0,0,0,0.4));
}

.footer-brand-desc {
    font-size: 0.925rem;
    color: #94a3b8;
    max-width: 360px;
    line-height: 1.7;
}

.footer-col h4 {
    font-size: 0.875rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand-primary);
    margin-bottom: 1.35rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap !important;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: #cbd5e1;
    display: flex;
    align-items: center;
    gap: 0.55rem;
    transition: all var(--transition-fast);
    white-space: nowrap !important;
}

.footer-links a span {
    white-space: nowrap !important;
}

.footer-arrow-icon {
    font-size: 0.7rem;
    color: var(--text-muted);
    transition: transform var(--transition-fast), color var(--transition-fast);
    flex-shrink: 0;
}

html[dir="rtl"] .footer-arrow-icon { transform: scaleX(-1); }

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

.footer-links a:hover .footer-arrow-icon {
    color: var(--brand-primary);
    transform: translateX(4px);
}

html[dir="rtl"] .footer-links a:hover .footer-arrow-icon {
    transform: translateX(-4px) scaleX(-1);
}

/* Footer Bottom Bar */
.footer-bottom {
    max-width: 1440px;
    margin: 0 auto;
    padding-top: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: #64748b;
}

.footer-bottom-right {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.trust-pill {
    font-size: 0.775rem;
    font-weight: 700;
    color: #94a3b8;
    background-color: #1e293b;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-pill);
    border: 1px solid #334155;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    white-space: nowrap !important;
}

.trust-pill i { color: var(--brand-primary); }

.back-to-top-btn {
    width: 36px;
    height: 36px;
    background-color: var(--brand-primary);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-glow);
}

.back-to-top-btn:hover {
    background-color: var(--brand-primary-hover);
    transform: translateY(-2px);
}

/* Responsive Breakpoints & Mobile Header Perfection */
@media (max-width: 1024px) {
    .header-nav { display: none; }
    .mobile-menu-toggle { display: flex; }
    .mega-menu-content { display: none !important; }
    .main-wrapper { padding: 1.5rem 1.25rem; }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
    .header-inner {
        padding: 0.5rem 0.75rem;
        gap: 0.5rem;
    }
    
    .brand-logo-header {
        height: 38px !important;
        max-width: 150px !important;
    }
    
    .lang-selector {
        padding: 0.4rem 0.65rem;
        font-size: 0.8rem;
    }
    
    .hero-banner { padding: 1.5rem 1.15rem; }
    .hero-banner h1 { font-size: 1.5rem; }
    .hero-banner p { font-size: 0.95rem; }
    .hero-mesh-graphic { opacity: 0.15; width: 220px; }
    .hero-stats { gap: 1.25rem; flex-wrap: wrap; }
    .stat-val { font-size: 1.4rem; }
    
    .clean-tools-grid { grid-template-columns: 1fr; }
    .services-features-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; align-items: flex-start; gap: 1rem; }

    .io-grid { grid-template-columns: 1fr; }
    
    .btn-toolbar {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
    }
    
    .btn-toolbar .btn {
        width: 100%;
        padding: 0.6rem 0.5rem;
        font-size: 0.825rem;
    }

    .tool-title-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .tool-title-wrapper { width: 100%; }
}

@media (max-width: 480px) {
    .btn-toolbar { grid-template-columns: 1fr; }
    .brand-logo-header { height: 36px !important; }
    .lang-selector { font-size: 0.75rem; padding: 0.35rem 0.5rem; }
}