/* ============================================
   PREMIUM DESIGN UPGRADE OVERLAY
   dashboard.css 뒤에 로드하세요
   기존 기능은 100% 유지하며 시각적 품질만 향상
   ============================================ */

/* ============================================
   1. UPGRADED DESIGN TOKENS
   - 컬러를 바이올렛 → 인디고/슬레이트 블루로 전환
   - 더 세련되고 고급스러운 톤
   ============================================ */
:root {
    /* Original Violet Palette - 기존 색상 유지 */
    --primary-50: #F5F3FF;
    --primary-100: #EDE9FE;
    --primary-200: #DDD6FE;
    --primary-300: #C4B5FD;
    --primary-400: #A78BFA;
    --primary-500: #8B7EC8;
    --primary-600: #7265AB;
    --primary-700: #5A4E8C;
    --primary-800: #453B6E;
    --primary-900: #312A52;

    /* Semantic - 기존 색상 유지 */
    --success-50: #ECFDF5;
    --success-500: #10B981;
    --success-600: #059669;
    --warning-50: #FFFBEB;
    --warning-500: #F59E0B;
    --warning-600: #D97706;
    --danger-50: #FEF2F2;
    --danger-500: #EF4444;
    --danger-600: #DC2626;
    --info-50: #EFF6FF;
    --info-500: #0EA5E9;
    --info-600: #0284C7;

    /* Dark Theme - 기존 색상 유지 */
    --gray-50: #F9F8FC;
    --gray-100: #F4F2F8;
    --gray-200: #E8E5F0;
    --gray-300: #D4D0E0;
    --gray-400: #9B95B0;
    --gray-500: #6E6889;
    --gray-600: #4A4462;
    --gray-700: #1E1B2C;
    --gray-800: #161320;
    --gray-850: #0E0C16;
    --gray-900: #0B0A11;
    --gray-950: #060609;

    /* Applied Colors - 기존 유지 */
    --primary: var(--primary-500);
    --primary-dark: var(--primary-700);
    --primary-light: var(--primary-400);
    --secondary: var(--success-500);

    --dark-bg: var(--gray-950);
    --card-bg: var(--gray-900);
    --card-bg-elevated: var(--gray-850);
    --card-hover: var(--gray-800);

    --text-primary: var(--gray-50);
    --text-secondary: var(--gray-400);
    --text-tertiary: var(--gray-500);
    --text-muted: var(--gray-600);

    --border: #252236;
    --border-light: #1E1B2C;
    --border-focus: var(--primary-400);

    --success: var(--success-500);
    --warning: var(--warning-500);
    --danger: var(--danger-500);
    --info: var(--info-500);

    /* Premium Shadows - 바이올렛 기반 */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.25);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2), 0 0 1px rgba(139, 126, 200, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.25), 0 0 1px rgba(139, 126, 200, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 1px rgba(139, 126, 200, 0.1);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 1px rgba(139, 126, 200, 0.1);
    --shadow-glow: 0 0 30px rgba(139, 126, 200, 0.12);
    --shadow-glow-primary: 0 4px 24px rgba(139, 126, 200, 0.2);

    /* Upgraded Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Timing - Smoother */
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 180ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;

    /* Glass Effect - 기존 사이드바 색상 기반 */
    --glass-bg: rgba(11, 10, 17, 0.85);
    --glass-border: rgba(139, 126, 200, 0.25);
}

/* ============================================
   LIGHT THEME UPGRADE
   ============================================ */
[data-theme="light"] {
    --primary: var(--primary-500);
    --primary-dark: var(--primary-700);
    --primary-light: var(--primary-400);

    --dark-bg: #F9F8FC;
    --card-bg: #FFFFFF;
    --card-bg-elevated: #FFFFFF;
    --card-hover: #F5F3FA;

    --text-primary: #1E1B2E;
    --text-secondary: #5C5673;
    --text-tertiary: #8A849E;
    --text-muted: #B0AAC4;

    --border: #DDD9E8;
    --border-light: #EAE7F2;
    --border-focus: var(--primary);

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04), 0 0 1px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 0 1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08), 0 0 1px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.1), 0 0 1px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 30px rgba(139, 126, 200, 0.08);
    --shadow-glow-primary: 0 4px 24px rgba(139, 126, 200, 0.12);

    --glass-bg: rgba(255, 255, 255, 0.88);
    --glass-border: rgba(139, 126, 200, 0.25);
}

/* ============================================
   2. PREMIUM BACKGROUND ATMOSPHERE
   ============================================ */
body::before {
    content: '' !important;
    position: fixed !important;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Subtle gradient mesh - premium depth */
    background:
        radial-gradient(ellipse 80% 60% at 10% 0%, rgba(139, 126, 200, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 90% 100%, rgba(14, 165, 233, 0.04) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 50% 50%, rgba(139, 126, 200, 0.02) 0%, transparent 50%) !important;
    pointer-events: none;
    z-index: -1;
}

[data-theme="light"] body::before {
    background:
        radial-gradient(ellipse 80% 60% at 10% 0%, rgba(139, 126, 200, 0.04) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 90% 100%, rgba(14, 165, 233, 0.03) 0%, transparent 60%) !important;
}

/* ============================================
   3. PREMIUM SIDEBAR
   ============================================ */
.sidebar {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    border-right: 1px solid var(--glass-border) !important;
}

.sidebar-header {
    background: transparent !important;
    border-bottom: 1px solid var(--glass-border) !important;
    padding: 20px !important;
}

.sidebar-header img {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    /* 기존 로고에 미세 그림자 */
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.sidebar-brand-link {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-brand-sub {
    text-transform: uppercase;
    opacity: 0.8 !important;
}

/* Nav Items - Premium Feel */
.nav-item {
    border-radius: var(--radius-md) !important;
    margin-bottom: 2px !important;
    padding: 10px 14px !important;
    transition: all var(--duration-fast) var(--ease-out) !important;
}

.nav-item::before {
    width: 3px !important;
    border-radius: 0 4px 4px 0 !important;
    background: var(--primary) !important;
}

.nav-item:hover {
    background: rgba(139, 126, 200, 0.06) !important;
    color: var(--text-primary) !important;
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%) !important;
    color: white !important;
    box-shadow: 0 4px 12px rgba(139, 126, 200, 0.25), inset 0 1px 0 rgba(255,255,255,0.1);
}

.nav-item.active::before {
    display: none !important;
}

.nav-icon {
    width: 20px !important;
    margin-right: 10px !important;
    opacity: 0.7 !important;
}

.nav-item.active .nav-icon {
    opacity: 1 !important;
}

/* Sidebar Banners - Refined */
.s-banner.qna,
.s-banner.partner {
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-800) 100%) !important;
    box-shadow: 0 2px 8px rgba(139, 126, 200, 0.15);
}

.s-banner.chat {
    background: linear-gradient(135deg, #FBBF24 0%, #F59E0B 100%) !important;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.15);
}

/* Admin Section */
.nav-item-admin {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800)) !important;
    box-shadow: 0 2px 8px rgba(139, 126, 200, 0.2) !important;
}

.nav-item-admin:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700)) !important;
}

/* ============================================
   4. PREMIUM HEADER
   ============================================ */
.header {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px) saturate(1.2) !important;
    -webkit-backdrop-filter: blur(20px) saturate(1.2) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-sm) !important;
}

.search-bar input {
    background: var(--card-bg) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-md) !important;
    transition: all var(--duration-fast) var(--ease-out) !important;
}

.search-bar input:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(139, 126, 200, 0.12), var(--shadow-sm) !important;
    background: var(--card-bg-elevated) !important;
}

.search-bar button {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%) !important;
    border-radius: var(--radius-sm) !important;
    box-shadow: 0 2px 6px rgba(139, 126, 200, 0.2);
    transition: all var(--duration-fast) var(--ease-out) !important;
}

.search-bar button:hover {
    box-shadow: 0 4px 12px rgba(139, 126, 200, 0.3) !important;
    filter: brightness(1.08) !important;
}

.header-limit-box {
    background: var(--card-bg) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-md) !important;
}

/* ============================================
   5. PREMIUM STAT CARDS
   ============================================ */
.stat-card {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-lg) !important;
    position: relative !important;
    overflow: hidden !important;
    transition: all var(--duration-normal) var(--ease-out) !important;
}

/* Subtle top accent line */
.stat-card::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    height: 2px !important;
    width: 100% !important;
    background: linear-gradient(90deg, var(--primary-400), var(--primary-600)) !important;
    opacity: 0 !important;
    transition: opacity var(--duration-fast) var(--ease-out) !important;
}

.stat-card:hover {
    transform: translateY(-3px) !important;
    box-shadow: var(--shadow-md), var(--shadow-glow) !important;
    border-color: rgba(139, 126, 200, 0.12) !important;
}

.stat-card:hover::before {
    opacity: 1 !important;
}

.stat-icon {
    background: linear-gradient(135deg, rgba(139, 126, 200, 0.12) 0%, rgba(139, 126, 200, 0.04) 100%) !important;
    border-radius: var(--radius-md) !important;
    color: var(--primary) !important;
}

.stat-value {
}

.stat-change.positive {
    background: rgba(239, 68, 68, 0.08) !important;
    color: var(--danger) !important;
    border-radius: var(--radius-sm) !important;
}

.stat-change.negative {
    background: rgba(14, 165, 233, 0.08) !important;
    color: var(--info) !important;
    border-radius: var(--radius-sm) !important;
}

/* ============================================
   6. PREMIUM TABS & TOOLBAR
   ============================================ */
.tabs-container {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-sm) !important;
}

.tab-btn {
}

.tab-btn.active {
    color: var(--primary) !important;
}

.tab-btn::after {
    background: linear-gradient(90deg, var(--primary-400), var(--primary-600)) !important;
    height: 2px !important;
}

/* View Toggle - Premium Pill */
.view-toggle-group {
    background: var(--card-bg) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-md) !important;
    padding: 3px !important;
}

.view-toggle-group .btn.active {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600)) !important;
    color: white !important;
    box-shadow: 0 2px 8px rgba(139, 126, 200, 0.2) !important;
    border-radius: var(--radius-sm) !important;
}

/* Data Toggle - Premium */
.data-toggle-group {
    background: var(--card-bg) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-md) !important;
}

.toggle-switch-label input:checked + span {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600)) !important;
    color: white !important;
    box-shadow: 0 2px 6px rgba(139, 126, 200, 0.2);
}

/* ============================================
   7. PREMIUM BUTTONS
   ============================================ */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%) !important;
    box-shadow: 0 2px 8px rgba(139, 126, 200, 0.2) !important;
    border: none !important;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%) !important;
    box-shadow: 0 4px 16px rgba(139, 126, 200, 0.3) !important;
    transform: translateY(-1px) !important;
}

.btn-secondary {
    background: var(--card-bg) !important;
    border: 1px solid var(--glass-border) !important;
}

.btn-secondary:hover {
    background: var(--card-hover) !important;
    border-color: rgba(139, 126, 200, 0.12) !important;
}

.btn-danger {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%) !important;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.2) !important;
}

.btn-warning {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%) !important;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.2) !important;
}

.btn:focus {
    box-shadow: 0 0 0 3px rgba(139, 126, 200, 0.15) !important;
}

/* ============================================
   8. PREMIUM MODALS
   ============================================ */
.modal {
    background: rgba(0, 0, 0, 0.5) !important;
    backdrop-filter: blur(8px) !important;
}

[data-theme="light"] .modal {
    background: rgba(0, 0, 0, 0.3) !important;
}

.modal-content {
    background: var(--card-bg) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-xl) !important;
    box-shadow: var(--shadow-xl) !important;
}

.modal-tab-btn.active {
    border-bottom-color: var(--primary) !important;
    color: var(--text-primary) !important;
}

/* ============================================
   9. PREMIUM TABLE REFINEMENTS
   ============================================ */
.data-table tbody tr:not(.rank-history-row) {
    transition: all var(--duration-fast) var(--ease-out) !important;
}

.data-table tbody tr:not(.rank-history-row):hover {
    background-color: rgba(139, 126, 200, 0.03) !important;
}

/* Expanded row accent */
.data-table tr.is-expanded td {
    border-top-color: var(--primary) !important;
}

.data-table tr.is-expanded td:first-child {
    border-left-color: var(--primary) !important;
}

.data-table tr.is-expanded td:last-child {
    border-right-color: var(--primary) !important;
}

.rank-history-container {
    border-color: var(--primary) !important;
}

/* Action Buttons - Refined Hover */
.action-buttons .btn-icon:hover {
    background: rgba(139, 126, 200, 0.06) !important;
    border-color: rgba(139, 126, 200, 0.12) !important;
}

.btn-icon:hover {
    color: var(--primary) !important;
    border-color: var(--primary) !important;
    background-color: rgba(139, 126, 200, 0.06) !important;
}

/* ============================================
   10. PREMIUM CALENDAR CELLS
   ============================================ */
.calendar-cell {
    background: linear-gradient(180deg, var(--card-bg) 30%, var(--dark-bg) 100%) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-sm) !important;
    transition: all var(--duration-fast) var(--ease-out) !important;
}

.calendar-cell:hover {
    border-color: var(--primary) !important;
    box-shadow: 0 4px 12px rgba(139, 126, 200, 0.1) !important;
    background: var(--card-bg) !important;
}

[data-theme="dark"] .calendar-cell {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.8) 0%, rgba(8, 14, 26, 0.9) 100%) !important;
    border: 1px solid rgba(148, 163, 184, 0.18) !important;
}

[data-theme="dark"] .calendar-cell:hover {
    border-color: var(--primary) !important;
    background: rgba(15, 23, 42, 0.95) !important;
}

[data-theme="light"] .calendar-cell {
    background: linear-gradient(180deg, #FFFFFF 30%, #F8FAFC 100%) !important;
    border: 1px solid rgba(15, 23, 42, 0.15) !important;
}

[data-theme="light"] .calendar-cell:hover {
    background: #FFFFFF !important;
    border-color: var(--primary) !important;
    box-shadow: 0 4px 12px rgba(139, 126, 200, 0.08) !important;
}

/* ============================================
   11. PREMIUM RANKING HIGHLIGHTS
   ============================================ */
.rank-1 {
    background: linear-gradient(90deg, rgba(250, 204, 21, 0.08), transparent) !important;
}

.rank-2 {
    background: linear-gradient(90deg, rgba(148, 163, 184, 0.06), transparent) !important;
}

.rank-3 {
    background: linear-gradient(90deg, rgba(180, 120, 60, 0.06), transparent) !important;
}

/* ============================================
   12. PREMIUM FORM ELEMENTS
   ============================================ */
.form-input,
.form-select,
.form-textarea {
    background: var(--dark-bg) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-md) !important;
    transition: all var(--duration-fast) var(--ease-out) !important;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(139, 126, 200, 0.1), var(--shadow-sm) !important;
    background: var(--card-bg) !important;
}

/* ============================================
   13. PREMIUM NOTIFICATION PANEL
   ============================================ */
.notification-panel {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px) saturate(1.2) !important;
    -webkit-backdrop-filter: blur(20px) saturate(1.2) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-xl) !important;
}

.notification-item:hover {
    background: rgba(139, 126, 200, 0.04) !important;
}

/* ============================================
   14. PREMIUM THEME TOGGLE
   ============================================ */
.theme-toggle {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border: 1px solid var(--glass-border) !important;
    box-shadow: var(--shadow-lg) !important;
    transition: all var(--duration-normal) var(--ease-out) !important;
}

.theme-toggle:hover {
    color: var(--primary) !important;
    border-color: rgba(139, 126, 200, 0.2) !important;
    box-shadow: var(--shadow-lg), var(--shadow-glow) !important;
    transform: scale(1.08) !important;
}

/* ============================================
   15. PREMIUM CHART CONTAINER
   ============================================ */
.chart-container {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-lg) !important;
}

/* ============================================
   16. PREMIUM BANNER ITEMS
   ============================================ */
.banner-item {
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-lg) !important;
    overflow: hidden !important;
    transition: all var(--duration-normal) var(--ease-out) !important;
}

.banner-item:hover {
    transform: translateY(-4px) !important;
    box-shadow: var(--shadow-lg) !important;
    border-color: rgba(139, 126, 200, 0.12) !important;
}

/* ============================================
   17. PREMIUM INFO BOX
   ============================================ */
.info-box {
    background: var(--dark-bg) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-md) !important;
}

.info-box-title i {
    color: var(--primary) !important;
}

.info-box-link {
    color: var(--primary) !important;
}

/* ============================================
   18. PREMIUM SORT MODAL
   ============================================ */
.sort-order-item {
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-md) !important;
    transition: all var(--duration-fast) var(--ease-out) !important;
}

.sort-order-item:hover {
    border-color: var(--primary) !important;
    box-shadow: 0 2px 12px rgba(139, 126, 200, 0.08) !important;
}

.sort-order-num {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600)) !important;
    border-radius: var(--radius-sm) !important;
}

.sort-arrow-btn:hover {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600)) !important;
    border-color: var(--primary) !important;
}

/* ============================================
   19. PREMIUM GRADE DISPLAY
   ============================================ */
.user-grade-display {
    background: color-mix(in srgb, var(--grade-color, var(--primary)) 6%, transparent) !important;
    border: 1px solid color-mix(in srgb, var(--grade-color, var(--primary)) 15%, transparent) !important;
    transition: all var(--duration-fast) var(--ease-out) !important;
}

.user-grade-display:hover {
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 12px rgba(139, 126, 200, 0.1) !important;
}

.grade-icon {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important;
    box-shadow: 0 2px 6px rgba(139, 126, 200, 0.2);
}

.exp-level-badge {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600)) !important;
    box-shadow: 0 2px 4px rgba(139, 126, 200, 0.2);
}

/* ============================================
   20. PREMIUM SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.15);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(148, 163, 184, 0.25);
}

/* ============================================
   21. PREMIUM SELECTION COLOR
   ============================================ */
::selection {
    background: rgba(139, 126, 200, 0.2);
    color: inherit;
}

/* ============================================
   22. MICRO ANIMATIONS
   ============================================ */
@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInModal {
    from {
        opacity: 0;
        transform: scale(0.96) translateY(-12px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Premium loading shimmer */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.history-loading .spinner,
.spinner {
    border: 2.5px solid var(--glass-border) !important;
    border-top-color: var(--primary) !important;
}

/* ============================================
   23. PLACE GRID CARDS - PREMIUM
   ============================================ */
.place-card-grid-item {
    background: var(--glass-bg) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-lg) !important;
    transition: all var(--duration-normal) var(--ease-out) !important;
}

.place-card-grid-item:hover {
    transform: translateY(-3px) !important;
    box-shadow: var(--shadow-md), var(--shadow-glow) !important;
    border-color: rgba(139, 126, 200, 0.12) !important;
}

.place-rank {
    color: var(--primary) !important;
}

.place-address-link {
    background: rgba(14, 165, 233, 0.06) !important;
    color: var(--info) !important;
}

.place-address-link:hover {
    background: rgba(14, 165, 233, 0.1) !important;
}

/* ============================================
   24. TREND TABLE PREMIUM
   ============================================ */
.trend-table-wrapper {
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-lg) !important;
    background: var(--glass-bg) !important;
}

.trend-table th {
    background: var(--dark-bg) !important;
}

/* ============================================
   25. FROZEN PLACE - REFINED
   ============================================ */
.frozen-badge {
    background: rgba(239, 68, 68, 0.08) !important;
    border: 1px solid rgba(239, 68, 68, 0.15) !important;
    border-radius: var(--radius-sm) !important;
}

/* ============================================
   26. GROUP BADGE - PREMIUM
   ============================================ */
@media (max-width: 768px) {
    /* 모바일 사이드바: 글래스 느낌 유지 + 흰색 배경 */
    .sidebar {
        background: rgba(255, 255, 255, 0.97) !important;
    }

    #places-section .data-table tbody td[data-label="그룹명"] strong {
        background: rgba(139, 126, 200, 0.08) !important;
        color: var(--primary) !important;
        border-radius: 6px !important;
    }

    /* 그룹명: 체크박스 위(1열)부터 시작하여 가로 공간 확보 */
    #places-section .data-table tbody td[data-label="그룹명"] {
        grid-column: 1 / 3 !important;
        grid-row: 1 !important;
        padding-left: 0 !important;
        align-self: center !important;
    }

    /* 체크박스: 그룹명과 겹치지 않게 2행부터 시작 */
    #places-section .data-table tbody td:nth-child(2) {
        grid-row: 2 / span 2 !important;
    }

    /* 날짜(최종 업데이트): 그룹명과 수직 높이 맞춤 */
    #places-section .data-table tbody td[data-label="최종 업데이트"] {
        align-self: center !important;
    }

    /* Mobile expanded row accent color update */
    .data-table tr.is-expanded {
        border-color: var(--primary) !important;
    }

    .data-table tr.is-expanded + tr.rank-history-row {
        border-color: var(--primary) !important;
    }

    #places-section .data-table tbody td[data-label="카테고리"]::after {
        color: var(--primary) !important;
    }

    #places-section .data-table tbody td[data-label="카테고리"],
    #places-section .data-table tbody td[data-label="순위"] {
        color: var(--primary) !important;
    }

    #places-section .data-table tbody td[data-label="최종 업데이트"] {
        color: var(--primary) !important;
    }
}

/* ============================================
   27. CATEGORY BADGE PREMIUM
   ============================================ */
.category-badge {
    background-color: rgba(139, 126, 200, 0.06) !important;
    color: var(--text-secondary) !important;
    border-radius: var(--radius-sm) !important;
}

/* ============================================
   28. CAPTURE MODE NOTICE - PREMIUM
   ============================================ */
.capture-mode-notice {
    background: rgba(239, 68, 68, 0.06) !important;
    border: 1px solid rgba(239, 68, 68, 0.15) !important;
    border-radius: var(--radius-md) !important;
}

/* ============================================
   29. HISTORY PLACE INFO - PREMIUM
   ============================================ */
.history-place-info {
    background: linear-gradient(135deg, rgba(139, 126, 200, 0.06) 0%, rgba(139, 126, 200, 0.02) 100%) !important;
    border: 1px solid rgba(139, 126, 200, 0.12) !important;
    border-radius: var(--radius-md) !important;
}

.history-place-name {
    color: var(--primary) !important;
}

.place-url-link {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600)) !important;
    box-shadow: 0 2px 6px rgba(139, 126, 200, 0.2);
}

.place-url-link:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700)) !important;
    box-shadow: 0 4px 12px rgba(139, 126, 200, 0.3) !important;
}

/* ============================================
   30. HEADER EXP BUTTON - PREMIUM
   ============================================ */
.header-exp-btn:hover {
    border-color: var(--primary-400) !important;
    color: var(--primary) !important;
}

/* ============================================
   31. BTN SORT ORDER - PREMIUM
   ============================================ */
.btn-sort-order:hover {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600)) !important;
    border-color: var(--primary) !important;
}

/* ============================================
   32. BTN HISTORY MORE - PREMIUM
   ============================================ */
.btn-history-more:hover {
    border-color: var(--primary) !important;
    color: var(--primary) !important;
}

.btn-history-more.active {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600)) !important;
    border-color: var(--primary) !important;
}

/* ============================================
   33. N1/N2/N3 SCORE COLORS - KEEP DISTINCT
   ============================================ */
.calendar-cell div[data-column="n1"] {
    color: #0284C7 !important;
}

.calendar-cell div[data-column="n2"] {
    color: #D97706 !important;
}

.calendar-cell div[data-column="n3"] {
    color: #52525B !important;
}

.calendar-cell div[data-column="savecount"],
.calendar-cell div[data-column="savecount"] span {
    color: #15803d !important;
}

/* ============================================
   34. TABLE LINK COLOR - 기존 색상 유지
   ============================================ */

/* ============================================
   35. NOTIFICATION BADGE - PREMIUM
   ============================================ */
.notification-badge {
    background: linear-gradient(135deg, #EF4444, #DC2626) !important;
    box-shadow: 0 2px 6px rgba(239, 68, 68, 0.3);
}