/* ============================================================
   BestLink - Affiliate Rebate Aggregator
   Theme: Light Blue + White, Mobile-first 9:16, PC-adaptive
   ============================================================ */

:root {
    --blue-50: #E3F2FD;
    --blue-100: #BBDEFB;
    --blue-200: #90CAF9;
    --blue-500: #2196F3;
    --blue-300: #64B5F6;
    --blue-600: #1E88E5;
    --blue-700: #1565C0;
    --blue-800: #0D47A1;
    --white: #FFFFFF;
    --gray-50: #FAFCFF;
    --gray-100: #F5F7FA;
    --gray-200: #E8ECF1;
    --gray-300: #D1D8E0;
    --gray-400: #A0AAB5;
    --gray-500: #6B7884;
    --gray-600: #4A5562;
    --gray-700: #2E3A48;
    --orange: #FF8A00;
    --green: #00B364;
    --purple: #7C5CFF;
    --red: #E53E3E;
    --gray-800: #1A202C;
    --gray-900: #0F1419;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(33, 150, 243, 0.08);
    --shadow-md: 0 4px 16px rgba(33, 150, 243, 0.10);
    --shadow-lg: 0 8px 32px rgba(33, 150, 243, 0.15);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width-mobile: 420px;
    --max-width-pc: 1200px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--gray-100);
    color: var(--gray-700);
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--blue-600);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
}

input, select, textarea {
    font-family: inherit;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--blue-50);
}

.header-inner {
    max-width: var(--max-width-mobile);
    margin: 0 auto;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.logo-icon {
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.logo-icon svg {
    width: 20px;
    height: 20px;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--blue-700);
    display: flex;
    align-items: baseline;
    gap: 3px;
}

.logo-text small {
    font-size: 11px;
    font-weight: 500;
    color: var(--gray-400);
}

/* Theme Toggle Button */
.theme-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    color: var(--gray-500);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
}

.theme-btn:hover {
    background: var(--blue-50);
    color: var(--blue-600);
}

.theme-btn svg {
    width: 20px;
    height: 20px;
    position: absolute;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.theme-icon-sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-icon-moon {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

[data-theme="dark"] .theme-icon-sun {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

[data-theme="dark"] .theme-icon-moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.admin-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    color: var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    opacity: 0.5;
}

.admin-btn:hover {
    opacity: 1;
    background: var(--blue-50);
    color: var(--blue-600);
}

.admin-btn svg {
    width: 16px;
    height: 16px;
}

/* Keyboard shortcut hint next to admin button */
.admin-shortcut-hint {
    display: none;
    font-size: 10px;
    font-weight: 600;
    color: var(--gray-300);
    background: var(--gray-100);
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: 0.3px;
    font-family: monospace;
    margin-left: 2px;
    user-select: none;
}

.header-inner:hover .admin-shortcut-hint {
    display: inline-block;
}

[data-theme="dark"] .admin-shortcut-hint {
    background: var(--gray-200);
    color: var(--gray-500);
}

/* ============================================================
   CATEGORY NAV
   ============================================================ */
.category-nav {
    position: sticky;
    top: 59px;
    z-index: 90;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.category-nav::-webkit-scrollbar {
    display: none;
}

.category-list {
    max-width: var(--max-width-mobile);
    margin: 0 auto;
    padding: 10px 12px;
    display: flex;
    gap: 8px;
    list-style: none;
    white-space: nowrap;
}

.category-item {
    padding: 7px 18px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-500);
    background: var(--gray-100);
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.category-item:hover {
    background: var(--blue-50);
    color: var(--blue-600);
}

.category-item.active {
    background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
    color: white;
    box-shadow: var(--shadow-sm);
}

/* ============================================================
   MAIN
   ============================================================ */
.main {
    max-width: var(--max-width-mobile);
    margin: 0 auto;
    width: 100%;
    padding: 14px 14px 20px;
    flex: 1;
}

.section {
    margin-bottom: 22px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.section-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--gray-700);
    position: relative;
    padding-left: 12px;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 16px;
    background: linear-gradient(180deg, var(--blue-500), var(--blue-700));
    border-radius: 2px;
}

.section-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
    background: var(--gray-200);
    color: var(--gray-500);
}

.badge-blue { background: var(--blue-50); color: var(--blue-600); }
.badge-orange { background: #FFF3E0; color: var(--orange); }
.badge-green { background: #E0F5EC; color: var(--green); }
.badge-purple { background: #F0EBFF; color: var(--purple); }

/* ============================================================
   RANKING LIST
   ============================================================ */
.ranking-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ranking-item {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 14px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--gray-200);
}

.ranking-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
    border-color: var(--blue-200);
}

.ranking-num {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 800;
    background: var(--gray-200);
    color: var(--gray-500);
}

.ranking-num.top1 { background: linear-gradient(135deg, #FFD700, #FFA000); color: white; }
.ranking-num.top2 { background: linear-gradient(135deg, #C0C0C0, #909090); color: white; }
.ranking-num.top3 { background: linear-gradient(135deg, #CD7F32, #A05A2C); color: white; }

.ranking-body {
    flex: 1;
    min-width: 0;
}

.ranking-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.ranking-meta {
    font-size: 12px;
    color: var(--gray-400);
    display: flex;
    gap: 10px;
    align-items: center;
}

.ranking-commission {
    color: var(--orange);
    font-weight: 600;
}

.ranking-go {
    flex-shrink: 0;
    padding: 8px 14px;
    background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
    color: white;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    transition: var(--transition);
}

.ranking-go:hover {
    opacity: 0.9;
    transform: scale(1.03);
}

/* ============================================================
   CARD GRID (Coupons & Products)
   ============================================================ */
.card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--blue-200);
}

.card-badge-area {
    padding: 8px 10px 0;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.card-badge {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
}

.card-badge.discount {
    background: #FFF3E0;
    color: var(--orange);
}

.card-badge.platform {
    background: var(--blue-50);
    color: var(--blue-600);
}

.card-body {
    padding: 8px 10px 10px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    line-height: 1.35;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-desc {
    font-size: 11px;
    color: var(--gray-400);
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-discount {
    font-size: 15px;
    font-weight: 800;
    color: var(--orange);
    margin-bottom: 8px;
}

.card-go-btn {
    margin-top: auto;
    width: 100%;
    padding: 8px;
    background: var(--blue-500);
    color: white;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.card-go-btn:hover {
    background: var(--blue-600);
}

/* ============================================================
   LATEST LINKS LIST
   ============================================================ */
.link-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.link-item {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    cursor: pointer;
}

.link-item:hover {
    border-color: var(--blue-200);
    box-shadow: var(--shadow-md);
}

.link-info {
    flex: 1;
    min-width: 0;
}

.link-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.link-meta {
    font-size: 11px;
    color: var(--gray-400);
    display: flex;
    gap: 8px;
    align-items: center;
}

.link-new-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    flex-shrink: 0;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.link-go {
    flex-shrink: 0;
    color: var(--blue-500);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 12px;
    border: 1px solid var(--blue-100);
    border-radius: 8px;
    transition: var(--transition);
}

.link-go:hover {
    background: var(--blue-50);
    border-color: var(--blue-500);
}

.refresh-info {
    text-align: center;
    font-size: 11px;
    color: var(--gray-400);
    margin-top: 10px;
    padding: 6px;
    background: var(--white);
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-200);
}

/* ============================================================
   POPULAR TAGS
   ============================================================ */
.popular-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.popular-tag {
    background: var(--white);
    border: 1px solid var(--blue-100);
    border-radius: 20px;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.popular-tag:hover {
    background: var(--blue-50);
    transform: translateY(-1px);
}

.popular-tag-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
}

.popular-tag-count {
    font-size: 11px;
    font-weight: 700;
    color: var(--blue-600);
    background: var(--blue-50);
    padding: 2px 8px;
    border-radius: 10px;
}

/* ============================================================
   SITE FOOTER (redesigned)
   ============================================================ */
.site-footer {
    margin-top: 20px;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
}

.footer-inner {
    max-width: var(--max-width-mobile);
    margin: 0 auto;
    padding: 28px 16px 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px 16px;
}

.footer-brand {
    grid-column: 1 / -1;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.footer-brand-name {
    font-size: 20px;
    font-weight: 800;
    color: var(--blue-700);
    background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    font-size: 12px;
    line-height: 1.6;
    color: var(--gray-400);
    max-width: 300px;
}

.footer-col-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 2px solid var(--blue-100);
    position: relative;
}

.footer-col-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 32px;
    height: 2px;
    background: linear-gradient(90deg, var(--blue-500), var(--blue-300));
    border-radius: 1px;
}

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

.footer-links-list li {
    margin-bottom: 6px;
}

.footer-links-list a {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.footer-links-list a:hover {
    color: var(--blue-600);
    transform: translateX(3px);
    text-decoration: none;
}

.footer-disclaimer p {
    font-size: 11px;
    line-height: 1.7;
    color: var(--gray-400);
    margin-bottom: 8px;
}

.footer-disclaimer p strong {
    color: var(--gray-600);
    font-weight: 600;
}

.footer-disclaimer a {
    color: var(--blue-600);
    font-weight: 600;
}

.footer-links {
    margin-top: 8px;
}

.footer-links a {
    margin: 0 4px;
    font-weight: 600;
}

.footer-links .lang-link {
    background: var(--blue-50);
    border: 1px solid var(--blue-100);
    border-radius: 12px;
    padding: 2px 10px;
    font-size: 11px;
    color: var(--blue-700);
    cursor: pointer;
    font-weight: 700;
    transition: var(--transition);
}

.footer-links .lang-link:hover {
    background: var(--blue-100);
}

/* Footer bottom bar */
.footer-bottom {
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
    padding: 14px 16px;
}

.footer-bottom-inner {
    max-width: var(--max-width-mobile);
    margin: 0 auto;
}

.footer-bottom .copyright {
    font-size: 11px;
    color: var(--gray-400);
    text-align: center;
    line-height: 1.6;
}

/* ============================================================
   ADMIN PANEL
   ============================================================ */
.admin-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(33, 150, 243, 0.3);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.admin-overlay.show {
    display: flex;
}

.admin-panel {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.admin-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--blue-50);
}

.admin-header h2 {
    font-size: 16px;
    font-weight: 700;
    color: var(--blue-700);
}

.admin-close {
    font-size: 24px;
    color: var(--gray-500);
    line-height: 1;
    padding: 0 4px;
}

.admin-close:hover {
    color: var(--red);
}

.admin-login {
    padding: 30px 20px;
    text-align: center;
}

.admin-login p {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.admin-login .admin-pwd-wrap {
    margin-bottom: 12px;
}

.admin-hint {
    font-size: 12px;
    color: var(--gray-400);
    margin-top: 10px;
}

.demo-hint code {
    background: var(--gray-100);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
}

.admin-content {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.admin-tabs {
    display: flex;
    gap: 0;
    overflow-x: auto;
    border-bottom: 1px solid var(--gray-200);
    scrollbar-width: none;
    background: var(--gray-50);
}

.admin-tabs::-webkit-scrollbar { display: none; }

.admin-tab {
    flex: 1;
    min-width: max-content;
    padding: 12px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-500);
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
}

.admin-tab:hover {
    color: var(--blue-600);
    background: var(--blue-50);
}

.admin-tab.active {
    color: var(--blue-600);
    border-bottom-color: var(--blue-500);
    background: var(--white);
}

.tab-panel {
    display: none;
    padding: 16px;
}

.tab-panel.active {
    display: block;
}

.admin-toolbar {
    margin-bottom: 14px;
    display: flex;
    justify-content: flex-end;
}

.admin-table-wrap {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.admin-table th {
    text-align: left;
    padding: 10px 8px;
    background: var(--gray-100);
    color: var(--gray-600);
    font-weight: 600;
    border-bottom: 1px solid var(--gray-200);
    white-space: nowrap;
}

.admin-table td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--gray-200);
    vertical-align: middle;
}

.admin-table tr:hover {
    background: var(--blue-50);
}

.admin-table .col-url {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--blue-600);
}

.action-btn {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    margin-right: 4px;
    transition: var(--transition);
}

.action-btn.edit {
    background: var(--blue-50);
    color: var(--blue-600);
}

.action-btn.edit:hover {
    background: var(--blue-500);
    color: white;
}

.action-btn.del {
    background: #FDECEC;
    color: var(--red);
}

.action-btn.del:hover {
    background: var(--red);
    color: white;
}

.admin-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    background: var(--gray-50);
}

/* ============================================================
   ANALYTICS
   ============================================================ */
.analytics-stats {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin-bottom: 16px;
}

.stat-card {
    background: var(--blue-50);
    border-radius: 10px;
    padding: 12px;
    text-align: center;
}

.stat-value {
    font-size: 22px;
    font-weight: 800;
    color: var(--blue-700);
}

.stat-label {
    font-size: 11px;
    color: var(--gray-500);
    margin-top: 4px;
}

.analytics-chart {
    margin-top: 10px;
}

.chart-bar-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.chart-bar-label {
    width: 60px;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-600);
    flex-shrink: 0;
}

.chart-bar-bg {
    flex: 1;
    height: 22px;
    background: var(--gray-100);
    border-radius: 6px;
    overflow: hidden;
}

.chart-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--blue-300), var(--blue-600));
    border-radius: 6px;
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 6px;
    font-size: 11px;
    font-weight: 700;
    color: white;
    min-width: 28px;
}

/* ============================================================
   EDIT MODAL
   ============================================================ */
.edit-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1100;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.edit-overlay.show {
    display: flex;
}

.edit-modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 420px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.form-row {
    padding: 0 20px 12px;
}

.form-row label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-600);
    margin-top: 12px;
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 13px;
    outline: none;
    transition: var(--transition);
}

.form-input:focus {
    border-color: var(--blue-500);
    box-shadow: 0 0 0 3px var(--blue-50);
}

.form-actions {
    padding: 12px 20px 20px;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ============================================================
   FOCUS VISIBLE (keyboard accessibility)
   ============================================================ */
:focus-visible {
    outline: 3px solid var(--blue-500);
    outline-offset: 2px;
}

/* Remove the default outline only for mouse users */
:focus:not(:focus-visible) {
    outline: none;
}

.skip-link:focus {
    position: absolute !important;
    left: 8px !important;
    top: 8px !important;
    z-index: 9999;
    clip: auto !important;
    clip-path: none !important;
    width: auto !important;
    height: auto !important;
    overflow: visible !important;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary, .btn-secondary {
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
    color: white;
}

.btn-primary:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-600);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

.btn-small {
    padding: 6px 14px;
    font-size: 12px;
}

.btn-danger {
    background: var(--red) !important;
}

/* ============================================================
   PASSWORD TOGGLE (admin login)
   ============================================================ */
.admin-pwd-wrap {
    position: relative;
    display: inline-block;
    width: 100%;
    max-width: 300px;
}

.admin-pwd-wrap input {
    width: 100%;
    padding: 12px 44px 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-size: 14px;
    outline: none;
    transition: var(--transition);
    background: var(--white);
    color: var(--gray-700);
}

.admin-pwd-wrap input:focus {
    border-color: var(--blue-500);
}

.pwd-toggle-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: var(--transition);
    cursor: pointer;
}

.pwd-toggle-btn:hover {
    color: var(--blue-600);
    background: var(--blue-50);
}

.pwd-toggle-btn svg {
    width: 18px;
    height: 18px;
}

.pwd-eye-off {
    display: none;
}

.pwd-visible .pwd-eye {
    display: none;
}

.pwd-visible .pwd-eye-off {
    display: block;
}

.admin-shortcut-text {
    font-size: 11px;
    color: var(--gray-400);
    margin-top: 6px;
}

/* ============================================================
   CONFIRM MODAL
   ============================================================ */
.confirm-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1200;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.confirm-overlay.show {
    display: flex;
}

.confirm-modal {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 24px;
    max-width: 320px;
    width: 100%;
    text-align: center;
}

.confirm-modal p {
    font-size: 14px;
    color: var(--gray-700);
    margin-bottom: 18px;
    font-weight: 600;
}

/* ============================================================
   TOAST
   ============================================================ */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--gray-700);
    color: white;
    padding: 12px 24px;
    border-radius: 24px;
    font-size: 13px;
    font-weight: 600;
    z-index: 2000;
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

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

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

/* ============================================================
   DARK MODE (system preference + manual toggle)
   ============================================================ */
/* Manual dark mode toggle via [data-theme="dark"] on <html> */
[data-theme="dark"] {
    --blue-50: #1A2732;
    --blue-100: #1E3A5F;
    --blue-200: #2C5282;
    --gray-50: #1A202C;
    --gray-100: #1E2733;
    --gray-200: #2D3748;
    --gray-300: #4A5568;
    --gray-400: #718096;
    --gray-500: #A0AEC0;
    --gray-600: #CBD5E0;
    --gray-700: #E2E8F0;
    --white: #1A202C;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]):not([data-theme="dark"]) {
        --blue-50: #1A2732;
        --blue-100: #1E3A5F;
        --blue-200: #2C5282;
        --gray-50: #1A202C;
        --gray-100: #1E2733;
        --gray-200: #2D3748;
        --gray-300: #4A5568;
        --gray-400: #718096;
        --gray-500: #A0AEC0;
        --gray-600: #CBD5E0;
        --gray-700: #E2E8F0;
        --white: #1A202C;
        --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    }
}

/* Dark theme element overrides */
[data-theme="dark"] body {
    background: var(--gray-100);
}
[data-theme="dark"] .header { border-bottom-color: var(--gray-200); }
[data-theme="dark"] .category-nav { border-bottom-color: var(--gray-200); }
[data-theme="dark"] .category-item { background: var(--gray-200); color: var(--gray-500); }
[data-theme="dark"] .category-item:hover { background: var(--blue-100); }
[data-theme="dark"] .ranking-item { border-color: var(--gray-200); }
[data-theme="dark"] .product-card { border-color: var(--gray-200); }
[data-theme="dark"] .link-item { border-color: var(--gray-200); }
[data-theme="dark"] .popular-tag { border-color: var(--gray-200); background: var(--gray-50); }
[data-theme="dark"] .site-footer { border-top-color: var(--gray-200); }
[data-theme="dark"] .footer-bottom { border-top-color: var(--gray-200); background: var(--gray-50); }
[data-theme="dark"] .admin-panel { background: var(--gray-100); }
[data-theme="dark"] .admin-header { background: var(--blue-100); }
[data-theme="dark"] .edit-modal { background: var(--gray-100); }
[data-theme="dark"] .confirm-modal { background: var(--gray-100); }
[data-theme="dark"] .toast { background: var(--gray-200); color: var(--gray-700); }
[data-theme="dark"] .admin-tabs { background: var(--gray-50); }
[data-theme="dark"] .admin-tab.active { background: var(--gray-100); }
[data-theme="dark"] .admin-table th { background: var(--gray-200); }
[data-theme="dark"] .chart-bar-bg { background: var(--gray-200); }
[data-theme="dark"] .stat-card { background: var(--blue-100); }
[data-theme="dark"] .analytics-chart h4 { color: var(--gray-600) !important; }
[data-theme="dark"] .admin-overlay { background: rgba(0, 0, 0, 0.6); }
[data-theme="dark"] .edit-overlay { background: rgba(0, 0, 0, 0.7); }
[data-theme="dark"] .confirm-overlay { background: rgba(0, 0, 0, 0.7); }
[data-theme="dark"] .settings-note { color: var(--gray-400); }
[data-theme="dark"] .refresh-info { background: var(--gray-50); border-color: var(--gray-200); }
[data-theme="dark"] .admin-login input { background: var(--gray-50); color: var(--gray-700); }
[data-theme="dark"] .form-input { background: var(--gray-50); color: var(--gray-700); }
[data-theme="dark"] .no-results { color: var(--gray-500); }
[data-theme="dark"] .theme-btn:hover { background: var(--blue-100); }
[data-theme="dark"] .footer-col-title::after { background: linear-gradient(90deg, var(--blue-400), var(--blue-600)); }
[data-theme="dark"] .footer-links .lang-link { background: var(--blue-100); border-color: var(--blue-200); }
[data-theme="dark"] .legal-page .legal-toc { background: var(--blue-50); }
[data-theme="dark"] .legal-page .legal-header { border-bottom-color: var(--blue-100); }

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]):not([data-theme="dark"]) body {
        background: var(--gray-100);
    }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .header { border-bottom-color: var(--gray-200); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .category-nav { border-bottom-color: var(--gray-200); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .category-item { background: var(--gray-200); color: var(--gray-500); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .category-item:hover { background: var(--blue-100); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .ranking-item { border-color: var(--gray-200); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .product-card { border-color: var(--gray-200); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .link-item { border-color: var(--gray-200); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .popular-tag { border-color: var(--gray-200); background: var(--gray-50); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .site-footer { border-top-color: var(--gray-200); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .footer-bottom { border-top-color: var(--gray-200); background: var(--gray-50); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .admin-panel { background: var(--gray-100); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .admin-header { background: var(--blue-100); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .edit-modal { background: var(--gray-100); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .confirm-modal { background: var(--gray-100); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .toast { background: var(--gray-200); color: var(--gray-700); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .admin-tabs { background: var(--gray-50); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .admin-tab.active { background: var(--gray-100); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .admin-table th { background: var(--gray-200); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .chart-bar-bg { background: var(--gray-200); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .stat-card { background: var(--blue-100); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .admin-overlay { background: rgba(0, 0, 0, 0.6); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .edit-overlay { background: rgba(0, 0, 0, 0.7); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .confirm-overlay { background: rgba(0, 0, 0, 0.7); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .settings-note { color: var(--gray-400); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .refresh-info { background: var(--gray-50); border-color: var(--gray-200); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .admin-login input { background: var(--gray-50); color: var(--gray-700); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .form-input { background: var(--gray-50); color: var(--gray-700); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .no-results { color: var(--gray-500); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .theme-btn:hover { background: var(--blue-100); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .legal-page .legal-toc { background: var(--blue-50); }
    :root:not([data-theme="light"]):not([data-theme="dark"]) .legal-page .legal-header { border-bottom-color: var(--blue-100); }
    @media (min-width: 768px) {
        :root:not([data-theme="light"]):not([data-theme="dark"]) body { background: linear-gradient(180deg, var(--blue-50), var(--gray-100) 300px); }
    }
}

@media (min-width: 768px) {
    [data-theme="dark"] body { background: linear-gradient(180deg, var(--blue-50), var(--gray-100) 300px); }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .link-new-dot { animation: none; }
    .chart-bar-fill { transition: none; }
    .toast { transition: none; }
}

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
    .header,
    .category-nav,
    .disclaimer .footer-links,
    .admin-btn,
    .lang-btn,
    .back-home,
    .admin-overlay,
    .edit-overlay,
    .confirm-overlay,
    .toast {
        display: none !important;
    }
    body {
        background: white !important;
        color: black !important;
        font-size: 12pt;
    }
    .main { max-width: 100%; }
    .legal-page { max-width: 100%; }
    a { color: black !important; text-decoration: underline; }
    .ranking-item,
    .product-card,
    .link-item,
    .popular-tag {
        break-inside: avoid;
        border: 1px solid #ccc !important;
    }
}

/* ============================================================
   NO RESULTS
   ============================================================ */
.no-results {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray-400);
    font-size: 14px;
}

.no-results svg {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    display: block;
    opacity: 0.4;
}

/* ============================================================
   RESPONSIVE - PC ADAPTATION
   ============================================================ */
@media (min-width: 768px) {
    body {
        font-size: 15px;
        background: linear-gradient(180deg, var(--blue-50), var(--gray-100) 200px);
    }

    .header-inner,
    .category-list,
    .main,
    .disclaimer-inner {
        max-width: var(--max-width-pc);
        padding-left: 32px;
        padding-right: 32px;
    }

    .header-inner {
        padding-top: 18px;
        padding-bottom: 18px;
    }

    .logo-text {
        font-size: 24px;
    }

    .logo-text small {
        font-size: 13px;
    }

    .logo-icon {
        width: 42px;
        height: 42px;
    }

    .logo-icon svg {
        width: 24px;
        height: 24px;
    }

    .category-nav {
        top: 79px;
    }

    .category-list {
        padding-top: 14px;
        padding-bottom: 14px;
    }

    .category-item {
        padding: 9px 28px;
        font-size: 15px;
    }

    .main {
        padding: 24px 32px 32px;
    }

    .section {
        margin-bottom: 32px;
    }

    .section-title {
        font-size: 22px;
    }

    .section-title::before {
        height: 22px;
        width: 6px;
    }

    .section-badge {
        font-size: 13px;
        padding: 5px 14px;
    }

    .ranking-list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 14px;
    }

    .ranking-item {
        flex: 1 1 calc(50% - 7px);
        max-width: calc(50% - 7px);
        min-width: 300px;
    }

    .card-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }

    .card-title {
        font-size: 15px;
    }

    .card-go-btn {
        font-size: 13px;
        padding: 10px;
    }

    .link-list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 12px;
    }

    .link-item {
        flex: 1 1 calc(33.333% - 8px);
        max-width: calc(33.333% - 8px);
        min-width: 280px;
    }

    .popular-tag {
        padding: 10px 20px;
    }

    .popular-tag-name {
        font-size: 14px;
    }

    .footer-inner {
        max-width: var(--max-width-pc);
        padding: 40px 32px 28px;
        grid-template-columns: 2fr 1fr 1fr 2fr;
        gap: 32px;
    }

    .footer-brand {
        grid-column: auto;
    }

    .footer-brand-name {
        font-size: 24px;
    }

    .footer-tagline {
        font-size: 13px;
    }

    .footer-bottom-inner {
        max-width: var(--max-width-pc);
        padding: 0 32px;
    }

    .footer-bottom .copyright {
        font-size: 12px;
    }

    .admin-panel {
        max-width: 800px;
    }

    .analytics-stats {
        grid-template-columns: repeat(5, 1fr);
    }
}

@media (min-width: 1200px) {
    .ranking-item {
        flex: 1 1 calc(33.333% - 10px);
        max-width: calc(33.333% - 10px);
    }

    .card-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* ============================================================
   SETTINGS CARD (admin panel)
   ============================================================ */
.settings-card {
    padding: 8px 0;
    max-width: 360px;
}
.settings-title {
    font-size: 16px;
    color: var(--blue-700);
    margin-bottom: 14px;
}
.settings-row {
    margin-bottom: 14px;
}
.settings-row label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 6px;
}
.settings-note {
    font-size: 11px;
    color: var(--gray-400);
    margin-top: 14px;
    line-height: 1.6;
}

/* PC hide scroll on body when modal open */
body.modal-open {
    overflow: hidden;
}