/**
 * ============================================
 * SearchEngine Pro - Modern UI Theme v4.0
 * ============================================
 * Glassmorphism, Modern, Responsive, Mobile-First
 * Yeni Özellikler: Zoom %80, Küçük Font, Yatay Filtreler
 * Dark Mode, Quick Search, Gelişmiş Menü
 * ============================================
 */

/* ============================================
   1. CSS VARIABLES & ROOT
   ============================================ */
:root {
    /* Modern Primary Colors */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-50: rgba(99, 102, 241, 0.05);
    --primary-100: rgba(99, 102, 241, 0.1);
    --primary-200: rgba(99, 102, 241, 0.2);
    
    /* Purple Accent */
    --purple: #a855f7;
    --purple-light: #c084fc;
    --purple-dark: #9333ea;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    --gradient-dark: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4c1d95 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    
    /* Semantic Colors */
    --success: #10b981;
    --success-light: #34d399;
    --warning: #f59e0b;
    --warning-light: #fbbf24;
    --danger: #ef4444;
    --danger-light: #f87171;
    --info: #06b6d4;
    --info-light: #22d3ee;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --gray-950: #030712;
    
    /* Background */
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --bg-elevated: #ffffff;
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    
    /* Dark Mode Variables */
    --dark-bg-body: #0f172a;
    --dark-bg-card: #1e293b;
    --dark-text: #e2e8f0;
    --dark-text-muted: #94a3b8;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-xl: 0 24px 80px rgba(0, 0, 0, 0.15), 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-2xl: 0 40px 120px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    
    /* Border Radius */
    --radius-xs: 0.2rem;
    --radius-sm: 0.3rem;
    --radius-md: 0.4rem;
    --radius-lg: 0.6rem;
    --radius-xl: 0.8rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.2rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 120ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 400ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Spacing - Küçültüldü */
    --space-1: 0.2rem;
    --space-2: 0.4rem;
    --space-3: 0.6rem;
    --space-4: 0.8rem;
    --space-5: 1rem;
    --space-6: 1.2rem;
    --space-8: 1.6rem;
    --space-10: 2rem;
    --space-12: 2.4rem;
    
    /* Typography - Küçültüldü */
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.7rem;
    --font-size-sm: 0.8rem;
    --font-size-base: 0.875rem;
    --font-size-lg: 0.95rem;
    --font-size-xl: 1.1rem;
    --font-size-2xl: 1.25rem;
    --font-size-3xl: 1.5rem;
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* Header */
    --header-height: 56px;
    --header-height-mobile: 52px;
}

/* ============================================
   2. BASE RESET
   ============================================ */
html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

/* Smooth scroll behavior */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--gray-800);
    background-color: var(--bg-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    max-width: 100vw;
    padding-top: var(--header-height);
}

@media (max-width: 768px) {
    body {
        padding-top: var(--header-height-mobile);
    }
}

/* Dark Mode */
body.dark-mode {
    --bg-body: var(--dark-bg-body);
    --bg-card: var(--dark-bg-card);
    --gray-800: var(--dark-text);
    --gray-600: var(--dark-text-muted);
    --gray-100: #334155;
    --gray-200: #475569;
}

::selection {
    background: var(--primary);
    color: var(--white);
}

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

main, .main-content {
    flex: 1;
    margin-top: 0;
}

/* ============================================
   3. TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    color: var(--gray-900);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 0.4em;
    letter-spacing: -0.015em;
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

p {
    margin-bottom: 0.8rem;
    color: var(--gray-600);
    font-size: var(--font-size-base);
}

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

/* ============================================
   4. MODERN HEADER v4.0
   ============================================ */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: var(--z-fixed);
    height: var(--header-height);
    background: var(--glass-bg);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
    will-change: transform;
    backface-visibility: hidden;
}

@media (max-width: 768px) {
    .main-header {
        height: var(--header-height-mobile);
    }
}

.main-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.main-header.hidden {
    transform: translateY(-100%);
}

.header-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--space-4);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

/* Logo */
.header-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--gray-900) !important;
    text-decoration: none !important;
    flex-shrink: 0;
}

.logo-icon {
    width: 34px;
    height: 34px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1rem;
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition-bounce);
}

.header-logo:hover .logo-icon {
    transform: scale(1.05) rotate(5deg);
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.015em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Desktop Navigation */
.header-nav {
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    color: var(--gray-600) !important;
    font-weight: 500;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    position: relative;
    white-space: nowrap;
}

.nav-link i {
    font-size: var(--font-size-base);
    transition: transform var(--transition-bounce);
}

.nav-link:hover {
    color: var(--primary) !important;
    background: var(--primary-50);
}

.nav-link:hover i {
    transform: scale(1.1);
}

.nav-link.active {
    color: var(--primary) !important;
    background: var(--primary-100);
}

/* Mega Menu - YENİ */
.nav-mega {
    position: relative;
}

.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    min-width: 600px;
    max-width: calc(100vw - 40px);
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
    z-index: var(--z-dropdown);
    overflow-x: auto;
}

.nav-mega:hover .mega-menu,
.nav-mega:focus-within .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}

.mega-menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-lg);
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.mega-menu-item:hover {
    background: var(--primary-50);
    color: var(--primary);
}

.mega-menu-item i {
    font-size: 1.1rem;
    color: var(--primary);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2);
    color: var(--gray-600);
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    text-decoration: none;
}

.action-btn i {
    font-size: 1.1rem;
}

.action-btn:hover {
    color: var(--primary);
    background: var(--primary-50);
}

.action-btn.has-badge i {
    color: var(--primary);
}

/* Cart Badge */
.cart-badge {
    position: absolute;
    top: 0;
    right: 0;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 0.65rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
    animation: badgePulse 2s infinite;
}

@keyframes badgePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* User Button */
.user-btn {
    padding: var(--space-1) var(--space-2) var(--space-1) var(--space-1);
    background: var(--gray-100);
    border-radius: var(--radius-full);
}

.user-btn:hover {
    background: var(--primary-50);
}

.user-avatar {
    width: 28px;
    height: 28px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: var(--font-size-xs);
    box-shadow: var(--shadow-sm);
}

.user-name {
    font-weight: 600;
    color: var(--gray-700);
    font-size: var(--font-size-sm);
}

/* Register Button */
.btn-register {
    background: var(--gradient-primary);
    color: var(--white) !important;
    border: none;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    box-shadow: var(--shadow-glow);
    transition: all var(--transition-fast);
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
}

/* Theme Toggle - YENİ */
.theme-toggle {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--gray-100);
    color: var(--primary);
}

/* Dropdown */
.action-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 200px;
    background: var(--white);
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--space-2);
    animation: dropdownSlide 0.2s ease;
    z-index: var(--z-dropdown);
}

@keyframes dropdownSlide {
    from {
        opacity: 0;
        transform: translateY(-8px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    color: var(--gray-700);
    border-radius: var(--radius-lg);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.dropdown-item i {
    width: 18px;
    font-size: var(--font-size-base);
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--primary-50);
    color: var(--primary);
}

.dropdown-item:hover i {
    color: var(--primary);
}

.dropdown-divider {
    height: 1px;
    background: var(--gray-100);
    margin: var(--space-1) 0;
}

/* User Menu */
.user-menu {
    min-width: 220px;
}

.user-menu-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--gradient-primary);
    margin: calc(var(--space-2) * -1);
    margin-bottom: var(--space-2);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    color: var(--white);
}

.user-avatar-lg {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.user-fullname {
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.user-email {
    font-size: var(--font-size-xs);
    opacity: 0.8;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    width: 38px;
    height: 38px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    transition: background var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background: var(--gray-100);
}

.hamburger-line {
    width: 18px;
    height: 2px;
    background: var(--gray-700);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

/* Mobile Navigation */
.mobile-nav {
    display: block;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease, visibility 0.35s ease;
    overflow-y: auto;
    z-index: calc(var(--z-fixed) - 1);
}

.mobile-nav.active {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
}

.mobile-nav-content {
    padding: var(--space-4);
}

/* Mobile Search */
.mobile-search {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-3);
}

.mobile-search i {
    color: var(--gray-400);
    font-size: var(--font-size-base);
}

.mobile-search input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: var(--font-size-base);
    color: var(--gray-800);
}

/* Mobile Menu */
.mobile-menu {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.mobile-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-3);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    color: var(--gray-700);
    font-weight: 500;
    font-size: var(--font-size-sm);
    text-decoration: none !important;
    transition: all var(--transition-fast);
}

.mobile-link i {
    font-size: 1.25rem;
    color: var(--primary);
}

.mobile-link:hover,
.mobile-link.active {
    background: var(--primary-50);
    color: var(--primary);
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: calc(var(--z-fixed) - 2);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   5. HERO SECTION
   ============================================ */
.hero-section {
    position: relative;
    min-height: 75vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-dark);
    overflow: hidden;
    margin-top: calc(var(--header-height) * -1);
    padding-top: var(--header-height);
    padding-bottom: var(--space-8);
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(236, 72, 153, 0.2) 0%, transparent 40%);
    animation: heroPulse 10s ease-in-out infinite;
}

@keyframes heroPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.hero-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-6);
    max-width: 800px;
}

.hero-section h1 {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--space-3);
    text-shadow: 0 4px 30px rgba(0,0,0,0.3);
    letter-spacing: -0.025em;
}

.hero-section .lead {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--space-8);
    line-height: 1.6;
}

/* ============================================
   6. SEARCH FORM
   ============================================ */
.search-form {
    max-width: 600px;
    margin: 0 auto;
}

.search-form .input-group {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.search-form .input-group:focus-within {
    box-shadow: var(--shadow-2xl), 0 0 0 4px rgba(99, 102, 241, 0.3);
    transform: scale(1.02);
}

.search-form .form-control {
    border: none;
    padding: 1.2rem 1.5rem;
    font-size: var(--font-size-lg);
    background: transparent;
}

.search-form .form-control:focus {
    box-shadow: none;
    outline: none;
}

.search-form .btn {
    padding: 1.2rem 2rem;
    font-size: var(--font-size-base);
    font-weight: 700;
    background: var(--gradient-primary);
    border: none;
    color: var(--white);
    transition: all var(--transition-fast);
    border-radius: 0 var(--radius-2xl) var(--radius-2xl) 0 !important;
}

.search-form .btn:hover {
    filter: brightness(1.1);
}

/* ============================================
   7. HORIZONTAL FILTERS - YENİ
   ============================================ */
.filters-horizontal {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    position: sticky;
    top: calc(var(--header-height) + var(--space-2));
    z-index: var(--z-sticky);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.filters-horizontal::-webkit-scrollbar {
    display: none;
}

@media (max-width: 768px) {
    .filters-horizontal {
        top: var(--header-height-mobile);
    }
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.filter-label {
    font-weight: 600;
    color: var(--gray-600);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.filter-select {
    padding: var(--space-2) var(--space-3);
    padding-right: var(--space-5);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 120px;
}

.filter-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-100);
    outline: none;
}

.filter-input {
    padding: var(--space-2) var(--space-3);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    width: 100px;
}

.filter-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-100);
    outline: none;
}

.filter-chips {
    display: flex;
    gap: var(--space-1);
    flex-wrap: wrap;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-chip:hover {
    background: var(--primary-50);
    color: var(--primary);
}

.filter-chip.active {
    background: var(--primary);
    color: var(--white);
}

.filter-chip .remove {
    width: 14px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.3);
    border-radius: var(--radius-full);
    font-size: 0.6rem;
}

.filter-divider {
    width: 1px;
    height: 28px;
    background: var(--gray-200);
}

.filter-actions {
    margin-left: auto;
    display: flex;
    gap: var(--space-2);
}

.btn-filter {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-1);
    transition: all var(--transition-fast);
}

.btn-filter-clear {
    background: transparent;
    border: 2px solid var(--gray-200);
    color: var(--gray-600);
}

.btn-filter-clear:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
}

.btn-filter-apply {
    background: var(--gradient-primary);
    border: none;
    color: var(--white);
}

.btn-filter-apply:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Price Range Slider */
.price-range {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.price-range input[type="range"] {
    -webkit-appearance: none;
    width: 100px;
    height: 4px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    outline: none;
}

.price-range input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: var(--radius-full);
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

/* ============================================
   8. CARDS
   ============================================ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
    border-color: var(--primary-100);
}

.card-header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
    padding: var(--space-3) var(--space-4);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.card-body {
    padding: var(--space-4);
}

.card-footer {
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
    padding: var(--space-3) var(--space-4);
}

/* Product Card */
.product-card {
    border-radius: var(--radius-xl);
}

.product-card .card-img-wrapper {
    overflow: hidden;
    position: relative;
}

.product-card .card-img-top {
    height: 180px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .card-img-top {
    transform: scale(1.08);
}

.product-card .badge-discount {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    background: var(--gradient-primary);
    color: var(--white);
    padding: 2px var(--space-2);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: var(--font-size-xs);
    box-shadow: var(--shadow-md);
}

.product-card .product-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--space-1);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card .product-price {
    font-size: var(--font-size-lg);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.product-card .product-old-price {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    text-decoration: line-through;
}

/* ============================================
   9. BUTTONS
   ============================================ */
.btn {
    font-weight: 600;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    border: 2px solid transparent;
    font-size: var(--font-size-sm);
}

.btn-sm {
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-md);
}

.btn-lg {
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-base);
    border-radius: var(--radius-xl);
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-outline-primary {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

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

.btn-success {
    background: var(--success);
    border: none;
    color: var(--white);
}

.btn-danger {
    background: var(--danger);
    border: none;
    color: var(--white);
}

.btn-light {
    background: var(--gray-100);
    border: none;
    color: var(--gray-700);
}

.btn-light:hover {
    background: var(--gray-200);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* ============================================
   10. FORMS
   ============================================ */
.form-control, .form-select {
    padding: var(--space-2) var(--space-3);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    background: var(--white);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.form-control::placeholder {
    color: var(--gray-400);
}

.form-label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--space-1);
    font-size: var(--font-size-sm);
}

.form-check-input {
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--gray-300);
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* ============================================
   11. SEARCH RESULTS
   ============================================ */
.results-container {
    padding: var(--space-4);
}

.result-item {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    margin-bottom: var(--space-3);
    border: 1px solid var(--gray-100);
    transition: all var(--transition-base);
    position: relative;
}

.result-item:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-lg);
    transform: translateX(6px);
}

.result-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: var(--space-4);
    bottom: var(--space-4);
    width: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.result-item:hover::before {
    opacity: 1;
}

.result-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.result-title a {
    color: var(--gray-900);
}

.result-title a:hover {
    color: var(--primary);
}

.result-url {
    font-size: var(--font-size-xs);
    color: var(--success);
    margin-bottom: var(--space-1);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.result-snippet {
    color: var(--gray-600);
    line-height: 1.6;
    font-size: var(--font-size-sm);
}

.result-snippet mark {
    background: var(--warning-light);
    color: inherit;
    padding: 0 3px;
    border-radius: var(--radius-xs);
}

.sponsored-badge {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    background: linear-gradient(135deg, var(--warning-light) 0%, var(--warning) 100%);
    color: var(--white);
    padding: 2px var(--space-2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    margin-bottom: var(--space-1);
}

/* ============================================
   12. SIDEBAR & FILTERS (Legacy)
   ============================================ */
.sidebar-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    margin-bottom: var(--space-3);
    border: 1px solid var(--gray-100);
}

.sidebar-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.filter-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.filter-list li {
    margin-bottom: 2px;
}

.filter-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    color: var(--gray-600);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.filter-list a:hover, .filter-list a.active {
    background: var(--primary-50);
    color: var(--primary);
}

.filter-list .badge {
    background: var(--gray-200);
    color: var(--gray-600);
    font-weight: 600;
    font-size: var(--font-size-xs);
}

/* ============================================
   13. PAGINATION
   ============================================ */
.pagination {
    gap: var(--space-1);
}

.page-link {
    border: none;
    border-radius: var(--radius-lg) !important;
    padding: var(--space-2) var(--space-3);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.page-link:hover {
    background: var(--primary-50);
    color: var(--primary);
    transform: translateY(-1px);
}

.page-item.active .page-link {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.page-item.disabled .page-link {
    background: var(--gray-100);
    color: var(--gray-400);
}

/* ============================================
   14. BADGES
   ============================================ */
.badge {
    font-weight: 600;
    padding: 0.25em 0.5em;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
}

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

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.badge-info {
    background: rgba(6, 182, 212, 0.1);
    color: var(--info);
}

/* ============================================
   15. TABLES
   ============================================ */
.table {
    margin-bottom: 0;
    font-size: var(--font-size-sm);
}

.table thead th {
    background: var(--gray-50);
    border-bottom: 2px solid var(--gray-200);
    font-weight: 700;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-500);
    padding: var(--space-3);
}

.table tbody td {
    padding: var(--space-3);
    vertical-align: middle;
    border-bottom: 1px solid var(--gray-100);
}

.table-hover tbody tr:hover {
    background: var(--primary-50);
}

.table-responsive {
    border-radius: var(--radius-xl);
    overflow: hidden;
}

/* ============================================
   16. FOOTER
   ============================================ */
.footer {
    background: var(--gray-950);
    color: var(--gray-400);
    padding: var(--space-10) 0 var(--space-6);
    margin-top: auto;
    font-size: var(--font-size-sm);
}

.footer h5 {
    color: var(--white);
    font-size: var(--font-size-sm);
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.footer a {
    color: var(--gray-400);
    display: block;
    padding: 2px 0;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.footer a:hover {
    color: var(--white);
    transform: translateX(4px);
}

.footer-brand {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.footer-brand i {
    width: 34px;
    height: 34px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.social-links {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

.social-links a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    border-radius: var(--radius-full);
    color: var(--gray-400);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--space-4);
    margin-top: var(--space-6);
}

/* ============================================
   17. MODALS
   ============================================ */
.modal-content {
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
}

.modal-header {
    border-bottom: 1px solid var(--gray-100);
    padding: var(--space-4);
}

.modal-body {
    padding: var(--space-4);
}

.modal-footer {
    border-top: 1px solid var(--gray-100);
    padding: var(--space-3) var(--space-4);
}

/* ============================================
   18. ALERTS
   ============================================ */
.alert {
    border: none;
    border-radius: var(--radius-xl);
    padding: var(--space-3) var(--space-4);
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
}

.alert i {
    font-size: var(--font-size-lg);
    margin-top: 2px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #b45309;
}

.alert-info {
    background: rgba(6, 182, 212, 0.1);
    color: #0891b2;
}

/* ============================================
   19. ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-15px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.fade-in { animation: fadeIn 0.3s ease; }
.slide-in { animation: slideIn 0.3s ease; }
.scale-in { animation: scaleIn 0.25s ease; }
.pulse { animation: pulse 2s infinite; }

/* Loading Skeleton */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-lg);
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ============================================
   20. UTILITY CLASSES
   ============================================ */
.rounded-xl { border-radius: var(--radius-xl) !important; }
.rounded-2xl { border-radius: var(--radius-2xl) !important; }
.rounded-3xl { border-radius: var(--radius-3xl) !important; }

.shadow-soft { box-shadow: var(--shadow-md); }
.shadow-hard { box-shadow: var(--shadow-xl); }
.shadow-glow { box-shadow: var(--shadow-glow); }

.text-primary { color: var(--primary) !important; }
.text-secondary { color: var(--gray-500) !important; }

.bg-gradient-primary { background: var(--gradient-primary) !important; }

.hover-lift {
    transition: transform var(--transition-fast);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

/* ============================================
   21. RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
    .header-nav {
        display: none;
    }
    
    .header-search {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-nav {
        display: block;
    }
    
    .mobile-nav-overlay {
        display: block;
    }
    
    .btn-label {
        display: none;
    }
}

@media (max-width: 992px) {
    :root {
        --header-height: var(--header-height-mobile);
    }
    
    .hero-section {
        min-height: 60vh;
    }
    
    .filters-horizontal {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .filter-actions {
        margin-left: 0;
        margin-top: var(--space-2);
    }
}

@media (max-width: 768px) {
    :root {
        --space-4: 0.6rem;
        --space-5: 0.8rem;
        --space-8: 1.2rem;
    }
    
    body {
        font-size: var(--font-size-sm);
    }
    
    .header-container {
        padding: 0 var(--space-2);
    }
    
    .logo-text {
        display: none;
    }
    
    .hero-section {
        min-height: auto;
        padding: calc(var(--header-height) + var(--space-6)) 0 var(--space-6);
    }
    
    .hero-section h1 {
        font-size: 1.75rem;
    }
    
    .hero-section .lead {
        font-size: var(--font-size-sm);
    }
    
    .search-form .form-control,
    .search-form .btn {
        padding: var(--space-3) var(--space-3);
        font-size: var(--font-size-sm);
    }
    
    .mobile-menu {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .result-item {
        padding: var(--space-3);
    }
    
    .card-body {
        padding: var(--space-3);
    }
}

/* ============================================
   22. DARK MODE STYLES
   ============================================ */
body.dark-mode .main-header {
    background: rgba(30, 41, 59, 0.9);
    border-bottom-color: rgba(255,255,255,0.1);
}

body.dark-mode .main-header.scrolled {
    background: rgba(30, 41, 59, 0.98);
}

body.dark-mode .header-search .search-input {
    background: var(--dark-bg-card);
    border-color: #475569;
    color: var(--dark-text);
}

body.dark-mode .dropdown-menu {
    background: var(--dark-bg-card);
}

body.dark-mode .dropdown-item {
    color: var(--dark-text);
}

body.dark-mode .dropdown-item:hover {
    background: rgba(99, 102, 241, 0.2);
}

body.dark-mode .filters-horizontal {
    background: var(--dark-bg-card);
}

body.dark-mode .filter-select,
body.dark-mode .filter-input {
    background: var(--dark-bg-body);
    border-color: #475569;
    color: var(--dark-text);
}

body.dark-mode .card {
    background: var(--dark-bg-card);
    border-color: #334155;
}

body.dark-mode .result-item {
    background: var(--dark-bg-card);
    border-color: #334155;
}

body.dark-mode .result-title a {
    color: var(--dark-text);
}

body.dark-mode .table thead th {
    background: var(--dark-bg-body);
    border-color: #475569;
    color: var(--dark-text-muted);
}

body.dark-mode .table tbody td {
    border-color: #334155;
    color: var(--dark-text);
}

/* ============================================
   23. PRINT STYLES
   ============================================ */
@media print {
    .main-header,
    .footer,
    .filters-horizontal,
    .mobile-nav,
    .mobile-nav-overlay {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
    }
    
    .card,
    .result-item {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* ============================================
   24. ACCESSIBILITY
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: var(--white);
    padding: var(--space-2) var(--space-4);
    z-index: 9999;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* Focus styles for keyboard users */
*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   25. MODERN SEARCH PAGE STYLES
   ============================================ */

/* Search Form Container */
.search-form-container {
    max-width: 800px;
    margin: 0 auto;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--gray-200);
    transition: all var(--transition-base);
}

.search-input-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg), 0 0 0 4px var(--primary-100);
}

.search-input-wrapper .search-icon {
    position: absolute;
    left: 1.25rem;
    color: var(--gray-400);
    font-size: 1.1rem;
}

.search-input {
    flex: 1;
    border: none;
    padding: 1rem 1.5rem 1rem 3rem;
    font-size: 1.1rem;
    background: transparent;
    color: var(--gray-800);
}

.search-input:focus {
    outline: none;
    box-shadow: none;
}

.search-input::placeholder {
    color: var(--gray-400);
}

.btn-search {
    margin: 0.4rem;
    padding: 0.75rem 2rem;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-search:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-glow);
}

/* Horizontal Filters - Enhanced */
.filters-horizontal {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    padding: var(--space-3) var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    position: sticky;
    top: calc(var(--header-height) + var(--space-2));
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.filters-horizontal:hover {
    box-shadow: var(--shadow-lg);
}

.filters-form {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    width: 100%;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.filter-label {
    font-weight: 600;
    color: var(--gray-500);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.filter-select {
    padding: var(--space-2) var(--space-3);
    padding-right: var(--space-5);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 130px;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.filter-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-100);
    outline: none;
}

.filter-select:hover {
    border-color: var(--gray-300);
}

.filter-input {
    padding: var(--space-2) var(--space-3);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.filter-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-100);
    outline: none;
}

/* Filter Chips */
.filter-chips {
    display: flex;
    gap: var(--space-1);
    flex-wrap: wrap;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.filter-chip:hover {
    background: var(--primary-50);
    color: var(--primary);
}

.filter-chip.active {
    background: var(--primary);
    color: var(--white);
}

.filter-chip .count {
    background: rgba(255, 255, 255, 0.2);
    padding: 1px 6px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.filter-chip.active .count {
    background: rgba(255, 255, 255, 0.25);
}

.filter-chip .remove {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.6rem;
}

.filter-divider {
    width: 1px;
    height: 28px;
    background: var(--gray-200);
}

.filter-actions {
    display: flex;
    gap: var(--space-1);
    margin-left: auto;
}

.btn-filter {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.btn-filter-apply {
    background: var(--gradient-primary);
    border: none;
    color: var(--white);
}

.btn-filter-apply:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-filter-clear {
    background: transparent;
    border: 2px solid var(--gray-200);
    color: var(--gray-600);
}

.btn-filter-clear:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
}

/* Active Filters Bar */
.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    align-items: center;
    padding: var(--space-2) 0;
}

.active-filters .filter-chip {
    font-size: 0.8rem;
    padding: 4px 10px;
}

/* Price Range */
.price-range {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.price-range input[type="range"] {
    -webkit-appearance: none;
    width: 100px;
    height: 4px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    outline: none;
}

.price-range input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: var(--radius-full);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast);
}

.price-range input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

/* Results Info */
.results-info {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    padding: var(--space-2) 0;
}

.results-info strong {
    color: var(--gray-900);
}

/* Results List Enhancements */
.results-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.result-item {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    border: 1px solid var(--gray-100);
    transition: all var(--transition-base);
    position: relative;
}

.result-item:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-lg);
    transform: translateX(4px);
}

.result-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: var(--space-4);
    bottom: var(--space-4);
    width: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.result-item:hover::before {
    opacity: 1;
}

.result-url {
    font-size: var(--font-size-sm);
    color: var(--success);
    margin-bottom: var(--space-1);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.result-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.result-title a {
    color: var(--gray-900);
}

.result-title a:hover {
    color: var(--primary);
}

.result-snippet {
    color: var(--gray-600);
    line-height: 1.6;
    font-size: var(--font-size-sm);
}

.result-snippet mark {
    background: var(--warning-light);
    color: inherit;
    padding: 0 2px;
    border-radius: 2px;
}

.result-meta {
    display: flex;
    gap: var(--space-3);
    color: var(--gray-500);
}

.result-actions {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* Dark Mode for Search */
body.dark-mode .search-input-wrapper {
    background: var(--dark-bg-card);
    border-color: #475569;
}

body.dark-mode .search-input {
    color: var(--dark-text);
}

body.dark-mode .filters-horizontal {
    background: var(--dark-bg-card);
}

body.dark-mode .filter-select,
body.dark-mode .filter-input {
    background: var(--dark-bg-body);
    border-color: #475569;
    color: var(--dark-text);
}

body.dark-mode .filter-chip {
    background: #334155;
    color: var(--dark-text);
}

body.dark-mode .filter-chip.active {
    background: var(--primary);
}

body.dark-mode .filter-divider {
    background: #475569;
}

/* Responsive Filters */
@media (max-width: 992px) {
    .filters-horizontal {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .filter-chips {
        flex-wrap: wrap;
    }
    
    .filter-actions {
        margin-left: 0;
        margin-top: var(--space-2);
        justify-content: flex-end;
    }
}

@media (max-width: 768px) {
    .search-input-wrapper {
        border-radius: var(--radius-xl);
    }
    
    .search-input {
        padding: 0.75rem 1rem 0.75rem 2.5rem;
        font-size: 1rem;
    }
    
    .btn-search {
        padding: 0.6rem 1.2rem;
        font-size: var(--font-size-xs);
    }
    
    .filter-select {
        min-width: 100%;
    }
}