/* ========================================
   국민자료실 — 인기 정책 TOP 50 (popular.css)
   /popular/daily · /popular/weekly · /popular/monthly
   2026-05-05 · 이픽셀 (style.css 토큰 기반)
   ======================================== */

/* ========================================
   1. Layout
   ======================================== */
.popular-page {
    max-width: 1080px;
    margin: 0 auto;
    padding: 32px 24px 80px;
}

/* ========================================
   2. Hero
   ======================================== */
.popular-hero {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 45%, #F59E0B 100%);
    border-radius: var(--radius-xl);
    padding: 40px 32px;
    color: #FFFFFF;
    text-align: center;
    box-shadow: var(--shadow-lg);
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
}
.popular-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 0%, rgba(255,255,255,0.18), transparent 50%);
    pointer-events: none;
}
.popular-title {
    font-size: 34px;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 10px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.popular-subtitle {
    font-size: 15px;
    font-weight: 500;
    color: rgba(255,255,255,0.92);
    margin-bottom: 6px;
}
.popular-updated {
    font-size: 13px;
    color: rgba(255,255,255,0.78);
    font-variant-numeric: tabular-nums;
}

/* ========================================
   3. Period Tabs (일/주/월)
   ======================================== */
.popular-period-tabs {
    display: flex;
    gap: 8px;
    background: #FFFFFF;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    padding: 6px;
    margin-bottom: 18px;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 76px;
    z-index: 50;
}
.popular-period-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 96px;
    padding: 10px 22px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-500);
    text-decoration: none;
    transition: all 0.18s ease;
}
.popular-period-tab:hover {
    background: var(--primary-50);
    color: var(--primary-700);
}
.popular-period-tab.is-active {
    background: var(--brand-gradient);
    color: #FFFFFF;
    box-shadow: 0 2px 8px rgba(79,70,229,0.32);
}

/* ========================================
   4. Category Filter (chips)
   ======================================== */
.popular-category-filter {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding: 8px 0 4px;
    margin-bottom: 24px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.popular-category-filter::-webkit-scrollbar { display: none; }
.popular-cat-chip {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: var(--radius-full);
    background: #FFFFFF;
    border: 1px solid var(--gray-200);
    color: var(--gray-600);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.15s ease;
    white-space: nowrap;
}
.popular-cat-chip:hover {
    border-color: var(--primary-300);
    color: var(--primary-700);
    background: var(--primary-50);
}
.popular-cat-chip.is-active {
    background: var(--brand-gradient);
    border-color: transparent;
    color: #FFFFFF;
    box-shadow: 0 2px 6px rgba(79,70,229,0.25);
}

/* ========================================
   5. List & Items
   ======================================== */
.popular-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    counter-reset: rank;
}
.popular-item {
    display: grid;
    grid-template-columns: 88px 1fr;
    gap: 18px;
    align-items: center;
    background: #FFFFFF;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
    position: relative;
}
.popular-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-200);
}
.popular-rank {
    font-size: 28px;
    font-weight: 800;
    color: var(--gray-400);
    text-align: center;
    font-variant-numeric: tabular-nums;
    line-height: 1;
    letter-spacing: -0.02em;
}
.popular-content { min-width: 0; }
.popular-policy-title {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.4;
    margin: 4px 0 6px;
    color: var(--gray-900);
}
.popular-policy-title a {
    color: inherit;
    text-decoration: none;
}
.popular-policy-title a:hover { color: var(--primary-700); }
.popular-policy-summary {
    font-size: 13.5px;
    color: var(--gray-500);
    line-height: 1.55;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Category badge */
.popular-category-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    background: var(--primary-50);
    color: var(--primary-700);
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.01em;
}
.popular-category-badge[data-cat="청년"]    { background: var(--cat-youth-bg);       color: var(--cat-youth); }
.popular-category-badge[data-cat="복지"]    { background: var(--cat-welfare-bg);     color: var(--cat-welfare); }
.popular-category-badge[data-cat="주거"]    { background: var(--cat-housing-bg);     color: var(--cat-housing); }
.popular-category-badge[data-cat="고용"]    { background: var(--cat-employment-bg);  color: var(--cat-employment); }
.popular-category-badge[data-cat="창업"]    { background: var(--cat-startup-bg);     color: var(--cat-startup); }
.popular-category-badge[data-cat="교육"]    { background: var(--cat-education-bg);   color: var(--cat-education); }
.popular-category-badge[data-cat="문화"]    { background: var(--cat-culture-bg);     color: var(--cat-culture); }
.popular-category-badge[data-cat="보건"]    { background: var(--cat-health-bg);      color: var(--cat-health); }
.popular-category-badge[data-cat="농림"]    { background: var(--cat-agriculture-bg); color: var(--cat-agriculture); }
.popular-category-badge[data-cat="기타"]    { background: var(--cat-etc-bg);         color: var(--cat-etc); }

/* Meta */
.popular-meta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    font-size: 12.5px;
    color: var(--gray-500);
    font-variant-numeric: tabular-nums;
}
.popular-meta > span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.popular-views { color: var(--gray-600); font-weight: 600; }
.popular-dday {
    color: var(--danger-600);
    font-weight: 700;
    background: var(--danger-50);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

/* ========================================
   6. Medal Variants — Gold / Silver / Bronze
   ======================================== */
.popular-item--gold {
    background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 100%);
    border: 2px solid #FBBF24;
    box-shadow: 0 6px 18px rgba(251,191,36,0.28);
}
.popular-item--gold::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-lg);
    padding: 2px;
    background: linear-gradient(135deg, #FDE68A, #FBBF24, #D97706, #FBBF24);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor; mask-composite: exclude;
    pointer-events: none;
}
.popular-rank--1 {
    font-size: 36px;
    background: linear-gradient(135deg, #FBBF24 0%, #F59E0B 50%, #D97706 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 1px 2px rgba(217,119,6,0.18);
}

.popular-item--silver {
    background: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 100%);
    border: 2px solid #94A3B8;
    box-shadow: 0 6px 18px rgba(148,163,184,0.22);
}
.popular-rank--2 {
    font-size: 34px;
    background: linear-gradient(135deg, #CBD5E1 0%, #94A3B8 50%, #64748B 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.popular-item--bronze {
    background: linear-gradient(135deg, #FEF6F0 0%, #FCE7D3 100%);
    border: 2px solid #CD7F32;
    box-shadow: 0 6px 18px rgba(205,127,50,0.22);
}
.popular-rank--3 {
    font-size: 32px;
    background: linear-gradient(135deg, #E8A878 0%, #CD7F32 50%, #92400E 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   7. Ad Slot
   ======================================== */
.popular-ad-slot {
    margin: 12px 0;
    padding: 14px;
    background: var(--gray-50);
    border: 1px dashed var(--gray-300);
    border-radius: var(--radius-md);
    text-align: center;
    color: var(--gray-400);
    font-size: 12px;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ========================================
   8. Empty / Loading
   ======================================== */
.popular-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-500);
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}
.popular-empty-icon { font-size: 48px; margin-bottom: 12px; }

/* ========================================
   9. Responsive
   ======================================== */
@media (max-width: 720px) {
    .popular-page { padding: 20px 16px 60px; }
    .popular-hero { padding: 28px 20px; border-radius: var(--radius-lg); }
    .popular-title { font-size: 24px; }
    .popular-subtitle { font-size: 13.5px; }
    .popular-period-tabs {
        position: static;
        width: 100%;
        justify-content: space-between;
    }
    .popular-period-tab { flex: 1; min-width: 0; padding: 10px 8px; }
    .popular-category-filter {
        flex-wrap: nowrap;
        margin-left: -16px;
        margin-right: -16px;
        padding-left: 16px;
        padding-right: 16px;
    }
    .popular-item {
        grid-template-columns: 60px 1fr;
        gap: 12px;
        padding: 14px 14px;
    }
    .popular-rank { font-size: 22px; }
    .popular-rank--1 { font-size: 28px; }
    .popular-rank--2 { font-size: 26px; }
    .popular-rank--3 { font-size: 24px; }
    .popular-policy-title { font-size: 15.5px; }
    .popular-policy-summary {
        font-size: 12.5px;
        -webkit-line-clamp: 2;
    }
}

@media (max-width: 480px) {
    .popular-item { padding: 12px 12px; gap: 10px; }
    .popular-meta { gap: 10px; font-size: 11.5px; }
    .popular-policy-summary { -webkit-line-clamp: 2; }
}

/* ========================================
   10. Reduced motion
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    .popular-item, .popular-period-tab, .popular-cat-chip { transition: none; }
    .popular-item:hover { transform: none; }
}