/* ============================================
   ShoPilot - Smart Shopping Navigator
   Premium Design System
   ============================================ */

/* CSS Variables - 디자인 토큰 */
:root {
    /* Primary Colors - Metallic Blue/Steel */
    --primary: #3B6B8A;
    --primary-dark: #2A4F6A;
    --primary-light: #5A8DAE;
    --primary-bg: #F0F5F8;
    
    /* Accent - Gold */
    --accent: #B8923F;
    --accent-light: #D4B06A;
    --accent-bg: #FBF7F0;
    
    /* Success / Warning / Error */
    --success: #2D9F83;
    --success-light: #E6F7F2;
    --warning: #D4952B;
    --warning-light: #FEF6E7;
    --error: #C43E3E;
    --error-light: #FBEAEA;
    
    /* Neutral Colors - Cool tone */
    --dark: #0F1923;
    --gray-900: #1A2332;
    --gray-800: #2C3A4A;
    --gray-700: #445566;
    --gray-600: #607080;
    --gray-500: #6B7B8D;
    --gray-400: #8E9EAE;
    --gray-300: #D0D8E0;
    --gray-200: #E4E9EE;
    --gray-100: #F4F6F8;
    --white: #FFFFFF;
    
    /* Shadows - Premium depth */
    --shadow-xs: 0 1px 2px rgba(15, 25, 35, 0.04);
    --shadow-sm: 0 2px 8px rgba(15, 25, 35, 0.06);
    --shadow-md: 0 4px 20px rgba(15, 25, 35, 0.08);
    --shadow-lg: 0 8px 32px rgba(15, 25, 35, 0.1);
    --shadow-xl: 0 20px 60px rgba(15, 25, 35, 0.12);
    --shadow-primary: 0 4px 24px rgba(59, 107, 138, 0.3);
    --shadow-accent: 0 4px 24px rgba(184, 146, 63, 0.25);
    
    /* Border Radius */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    
    /* Typography */
    --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 30px;
    --font-size-4xl: 36px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
}

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

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-100);
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

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

/* ============================================
   네비게이션 바 - Premium Dark Nav
   ============================================ */
.navbar {
    background: linear-gradient(135deg, #0F1923 0%, #1A2E3E 50%, #0F1923 100%);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3), inset 0 -1px 0 rgba(184, 146, 63, 0.15);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    border-bottom: 1px solid rgba(184, 146, 63, 0.2);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--white);
    font-weight: 700;
    font-size: var(--font-size-lg);
    transition: opacity var(--transition-base);
}

.navbar-brand:hover {
    opacity: 0.9;
}

.navbar-brand-icon {
    width: 40px;
    height: 40px;
    background: transparent;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    overflow: hidden;
}

.navbar-brand-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

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

.navbar-link {
    color: rgba(255,255,255,0.7);
    font-weight: 500;
    font-size: var(--font-size-sm);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    position: relative;
}

.navbar-link:hover {
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.95);
}

.navbar-link.active {
    background: rgba(59, 107, 138, 0.3);
    color: var(--white);
    font-weight: 600;
}

.navbar-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

.navbar-link.admin-link {
    background: linear-gradient(135deg, rgba(184,146,63,0.2) 0%, rgba(184,146,63,0.1) 100%);
    color: var(--accent-light);
    font-weight: 600;
    border: 1px solid rgba(184,146,63,0.3);
}

.navbar-link.admin-link:hover {
    background: linear-gradient(135deg, rgba(184,146,63,0.3) 0%, rgba(184,146,63,0.2) 100%);
    transform: none;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.user-badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255,255,255,0.08);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    color: rgba(255,255,255,0.9);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 1px solid rgba(255,255,255,0.1);
}

.user-badge:hover {
    background: rgba(255,255,255,0.14);
    border-color: rgba(184,146,63,0.3);
}

.user-avatar {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-xs);
}

.btn-logout {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.8);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-logout:hover {
    background: rgba(255,255,255,0.14);
    color: var(--white);
}

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

.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    padding: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
}

.user-dropdown:hover .user-dropdown-menu,
.user-dropdown.active .user-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
}

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

.dropdown-item i {
    width: 18px;
    text-align: center;
    color: var(--gray-400);
}

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

.dropdown-divider {
    height: 1px;
    background: var(--gray-200);
    margin: var(--space-2) 0;
}

/* ============================================
   버튼 스타일 - Premium
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-family);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn:hover::after {
    opacity: 1;
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
}

.btn-md {
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-base);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(59, 107, 138, 0.2);
}

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

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
}

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

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

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

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

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

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

/* ============================================
   카드 스타일 - Premium Glass
   ============================================ */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--gray-200);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.card-title i {
    color: var(--primary);
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--gray-200);
    background: var(--gray-100);
}

/* ============================================
   폼 스타일
   ============================================ */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--space-2);
}

.form-input,
.form-control {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    line-height: 1.5;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    background: var(--white);
    color: var(--gray-800);
}

.form-input:focus,
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 107, 138, 0.12);
}

.form-input::placeholder,
.form-control::placeholder {
    color: var(--gray-400);
    font-size: 15px;
}

/* 로그인 페이지 전용 입력 스타일 */
.login-form .form-control {
    padding: 16px 16px 16px 48px;
    font-size: 16px;
    height: auto;
    min-height: 52px;
}

.login-form .input-with-icon .form-control {
    padding-left: 48px;
}

.login-form .input-icon {
    font-size: 18px;
    left: 16px;
}

.form-helper {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    margin-top: var(--space-1);
}

/* ============================================
   유틸리티 클래스
   ============================================ */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }
.text-muted { color: var(--gray-500); }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* ============================================
   로딩 & 토스트 - Premium
   ============================================ */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(244,246,248,0.97);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-5);
    z-index: var(--z-modal);
    backdrop-filter: blur(4px);
}

.loading-overlay.hidden {
    display: none;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-right-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.toast {
    position: fixed;
    top: 80px;
    right: var(--space-6);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-md);
    color: var(--white);
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-tooltip);
    animation: slideInRight 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(8px);
}

.toast.success { background: var(--success); }
.toast.error { background: var(--error); }
.toast.warning { background: var(--warning); }

@keyframes slideInRight {
    from { 
        transform: translateX(100%);
        opacity: 0;
    }
    to { 
        transform: translateX(0);
        opacity: 1;
    }
}

/* ============================================
   페이지 헤더 - Premium
   ============================================ */
.page-header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--space-6) 0;
    position: relative;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(184,146,63,0.3), transparent);
}

.page-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.page-title-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 22px;
    box-shadow: 0 4px 12px rgba(59, 107, 138, 0.25);
}

.page-subtitle {
    color: var(--gray-500);
    margin-top: var(--space-2);
    margin-left: 64px;
    font-size: var(--font-size-sm);
}

/* ============================================
   빈 상태
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
    color: var(--gray-500);
}

.empty-state-icon {
    width: 100px;
    height: 100px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
    font-size: 40px;
    color: var(--gray-300);
}

.empty-state h4 {
    color: var(--gray-800);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-2);
}

.empty-state p {
    font-size: var(--font-size-sm);
}

/* ============================================
   반응형
   ============================================ */
@media (max-width: 768px) {
    .navbar-menu {
        display: none;
    }
    
    .navbar-container {
        height: 56px;
        padding: 0 var(--space-4);
    }
    
    .container {
        padding: 0 var(--space-4);
    }
    
    .page-title {
        font-size: var(--font-size-xl);
    }
    
    .page-title-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .page-subtitle {
        margin-left: 56px;
    }
}

/* ============================================
   푸터 - Premium Dark
   ============================================ */
.footer {
    background: linear-gradient(180deg, #0F1923 0%, #0A1019 100%);
    color: var(--gray-400);
    padding: var(--space-12) 0 var(--space-8);
    margin-top: auto;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(184,146,63,0.4), transparent);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer-section h4 {
    color: var(--white);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.footer-link {
    display: block;
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    padding: var(--space-2) 0;
    transition: color var(--transition-base);
}

.footer-link:hover {
    color: var(--accent-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: var(--space-6);
    text-align: center;
    font-size: var(--font-size-sm);
}

/* ============================================
   Premium Animations & Hover Effects
   ============================================ */

/* Page entrance animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes subtlePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.85; }
}

/* Page content entrance */
.main-content,
.page-header {
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Section cards entrance */
.section-card,
.card {
    animation: fadeInUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    animation-fill-mode: backwards;
}

/* Staggered card animation */
.section-card:nth-child(1), .card:nth-child(1) { animation-delay: 0.05s; }
.section-card:nth-child(2), .card:nth-child(2) { animation-delay: 0.1s; }
.section-card:nth-child(3), .card:nth-child(3) { animation-delay: 0.15s; }
.section-card:nth-child(4), .card:nth-child(4) { animation-delay: 0.2s; }

/* Premium hover for cards */
.section-card {
    transition: box-shadow var(--transition-base), transform var(--transition-base);
    border: 1px solid var(--gray-200);
}

.section-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* Premium button hover effects */
.btn-primary:active,
.btn-success:active {
    transform: translateY(0) scale(0.98);
}

.btn-outline {
    position: relative;
    overflow: hidden;
}

.btn-outline::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
}

.btn-outline:hover::before {
    opacity: 1;
}

/* Smooth link transitions */
a {
    transition: color var(--transition-fast);
}

/* Form input premium focus */
.form-input:focus,
.form-control:focus {
    transform: translateY(-1px);
}

/* Navbar premium glow on scroll */
.navbar {
    transition: box-shadow var(--transition-slow);
}

/* Premium table row hover */
tr {
    transition: background var(--transition-fast);
}

tbody tr:hover {
    background: var(--primary-bg) !important;
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Selection color */
::selection {
    background: rgba(59, 107, 138, 0.2);
    color: var(--gray-900);
}

/* Premium scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* Tab buttons premium */
.tab-button {
    transition: all var(--transition-base);
    position: relative;
}

.tab-button:hover {
    transform: translateY(-1px);
}

.tab-button.active {
    box-shadow: 0 2px 8px rgba(59, 107, 138, 0.2);
}

/* Country tabs premium */
.country-tab {
    transition: all var(--transition-base);
}

.country-tab:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.country-tab.active {
    box-shadow: 0 4px 12px rgba(59, 107, 138, 0.25);
}

/* Trend item hover */
.trend-item {
    transition: all var(--transition-base);
    border-radius: var(--radius-md);
}

.trend-item:hover {
    transform: translateX(4px);
    background: var(--primary-bg);
}

/* Toast premium */
.toast {
    border-left: 4px solid rgba(255,255,255,0.3);
}

.toast.success { background: linear-gradient(135deg, #2D9F83 0%, #248A70 100%); }
.toast.error { background: linear-gradient(135deg, #C43E3E 0%, #A83232 100%); }
.toast.warning { background: linear-gradient(135deg, #D4952B 0%, #B87E24 100%); }

/* Loading overlay premium */
.loading-overlay {
    transition: opacity 0.3s ease;
}

/* Empty state icon subtle animation */
.empty-state-icon {
    animation: subtlePulse 3s ease-in-out infinite;
}

/* Badge/pill premium */
.trend-traffic {
    transition: all var(--transition-base);
}

.trend-item:hover .trend-traffic {
    transform: scale(1.05);
}

/* Shopee search button premium */
.btn-shopee {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    transition: all var(--transition-base);
    box-shadow: 0 2px 6px rgba(59, 107, 138, 0.2);
}

.btn-shopee:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 107, 138, 0.3);
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
}

/* User dropdown premium */
.user-dropdown-menu {
    border: 1px solid var(--gray-200);
    animation: fadeInUp 0.2s ease;
}

/* Mobile menu animation */
@media (max-width: 768px) {
    .navbar-menu {
        display: none;
    }
}

/* Focus states for accessibility */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: var(--radius-xs);
}