/* ─── Shimmer skeleton ─── */
 @keyframes shimmer {
     0% {
         background-position: -500px 0;
     }

     100% {
         background-position: 500px 0;
     }
 }

 .sk {
     background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
     background-size: 500px 100%;
     animation: shimmer 1.3s infinite linear;
     border-radius: 8px;
     height: 50px;
     flex-shrink: 0;
 }

 /* ─── Reset / override style.css nesting ─── */
 .leaderboard {
     position: relative;
     overflow: hidden;
 }

 .leaderboard .container-box {
     padding: 0;
     max-width: 1137px;
     margin: 57px auto 107px;
     background: transparent;
     border-radius: 0;
     min-height: auto;
     position: relative;
     z-index: 2;
 }

 .leaderboard::after,
 .leaderboard::before {
     content: "";
     width: 300px;
     height: 300px;
     background: url("../images/laeaderboard-bg-designs.svg");
     background-size: contain;
     /* background:radial-gradient(ellipse at center, rgba(105, 185, 255, 0.183) 0%, rgba(30, 151, 243, 0.044) 50%, rgba(255, 255, 255, 0.1) 75%); */
     /* backdrop-filter: blur(137px); */
     display: block;
     border-radius: 50%;
     position: absolute;
 }

 .leaderboard::after {
     right: -100px;
     top: 10%;
 }

 .leaderboard::before {
     left: -100px;
     bottom: 10%;
 }

 /* ─── Controls row ─── */
 .leaderboard-controls {
     display: flex;
     align-items: center;
     gap: 26px;
     margin-bottom: 20px;
     flex-wrap: nowrap;
 }

 /* skeleton tabs pill */
 .sk-tabs {
     display: flex;
     align-items: center;
     gap: 6px;
     background: rgba(255, 255, 255, 0.82);
     backdrop-filter: blur(8px);
     border: 1px solid rgba(255, 255, 255, 0.95);
     border-radius: 50px;
     padding: 5px 8px;
     flex: 1;
     overflow: hidden;
 }

 /* tabs scroll wrapper — IS the blue pill; hidden until data loads */
 .tabs-scroll-wrap {
     display: none;
     flex: 1;
     min-width: 0;
     align-items: center;
     gap: 8px;
     background: linear-gradient(0deg, #181c2a16, #181c2a3a),
         linear-gradient(180deg, rgba(31, 151, 244, 0.76) 0%, #1F97F4 100%);
     border: 1.03px solid;
     border-image-source: linear-gradient(141.75deg, #FFFFFF 24.82%, #1F97F4 80.14%);
     box-shadow: 0px 3px 7px 0px #1F1F1F33,
         0px 13px 13px 0px #1F1F1F2B,
         0px 30px 18px 0px #1F1F1F1A,
         0px 53px 21px 0px #1F1F1F08,
         0px 83px 23px 0px #1F1F1F00;
     backdrop-filter: blur(8px);
     border-radius: 12.36px;
     padding: 10px 11px;
     margin: 15px 0;
 }

 /* scrollable tab strip — no background, just the scroll container */
 .leaderboard .tabs {
     display: none;
     align-items: center;
     gap: 18px;
     position: relative;
     flex: 1;
     min-width: 0;
     overflow-x: auto;
     scrollbar-width: none;
 }

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

 /* tab scroll arrow buttons — in flex flow beside .tabs, never overlay */
 .tab-scroll-btn {
     flex-shrink: 0;
     z-index: 2;
     width: 30px;
     height: 30px;
     border-radius: 50%;
     border: 1.5px solid rgba(255, 255, 255, 0.2);
     background: rgba(12, 80, 155, 0.15);
     backdrop-filter: blur(6px);
     color: rgba(255, 255, 255, 0.3);
     display: grid;
     place-items: center;
     cursor: default;
     transition: background 0.2s, opacity 0.2s, box-shadow 0.2s, color 0.2s, border-color 0.2s;
     opacity: 0.4;
     pointer-events: none;
     box-shadow: none;
 }

 .tab-scroll-btn.is-visible {
     border-color: rgba(255, 255, 255, 0.5);
     background: rgba(12, 80, 155, 0.4);
     color: #fff;
     cursor: pointer;
     opacity: 1;
     pointer-events: all;
     box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
 }

 .tab-scroll-btn:hover {
     background: rgba(8, 60, 130, 0.98);
     box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
 }

 .leaderboard .tabs .book-tab {
     padding: 11.5px;
     min-width: 134px, fit-content;
     border: none;
     background: transparent;
     border-radius: 8.24px;
     color: #FFFFFF;
     font-weight: 400;
     font-size: 16px;
     line-height: 100%;
     letter-spacing: 0%;
     cursor: pointer;
     white-space: nowrap;
     transition: background 0.18s, color 0.18s;
     text-transform: capitalize;
     display: block;
     position: relative;
     z-index: 1;
 }

 .leaderboard .tabs .book-tab:hover {
     background: rgba(79, 70, 229, 0.07);
 }

 .leaderboard .tabs .book-tab.active {
     background: transparent;
     color: #fff;
     box-shadow: none;
     font-weight: 500;
 }

 .leaderboard .tabs .book-tab.active:hover {
     background: transparent;
 }

 /* Sliding active indicator — sits behind tab text, moves on tab switch */
 .leaderboard .tab-slider {
     position: absolute;
     top: 0px;
     bottom: 10px;
     left: 0;
     background: #FFFFFF33;
     border-radius: 8.24px;
     box-shadow: 0 2px 10px rgba(79, 70, 229, 0.28);
     pointer-events: none;
     z-index: 0;
     transition: transform 0.7s cubic-bezier(0.34, 1.15, 0.64, 1),
         width 0.32s cubic-bezier(0.4, 0, 0.2, 1);
     will-change: transform, width;
     height: 100%;
 }

 /* period select button */
 .leaderboard-period-wrapper {
     position: relative;
     flex-shrink: 0;
 }
 .leaderboard-period-wrapper select {
    outline: none;
 }
 .leaderboard-period-wrapper select option {
     color: #222;
 }

 .leaderboard-period-wrapper select#selection {
     -webkit-appearance: none;
     appearance: none;
     border: 1.03px solid;
     border-image-source: linear-gradient(141.75deg, #FFFFFF 24.82%, #1F97F4 80.14%);
     box-shadow: 0px 3px 7px 0px #1F1F1F33,
         0px 13px 13px 0px #1F1F1F2B,
         0px 30px 18px 0px #1F1F1F1A,
         0px 53px 21px 0px #1F1F1F08,
         0px 83px 23px 0px #1F1F1F00;

     backdrop-filter: blur(8px);
     background: linear-gradient(0deg, #181c2a16, #181c2a3a),
         linear-gradient(180deg, rgba(31, 151, 244, 0.76) 0%, #1F97F4 100%);
     color: #fff;
     border: none;
     border-radius: 12.36px;
     padding: 10px 42px 10px 20px;
     font-weight: 500;
     font-size: 16px;
     line-height: 100%;
     letter-spacing: 0%;
     width: 150px;
     height: 61px;
 }

 .leaderboard-period-wrapper::after {
     content: url("../images/dropdown-icon.png");
     position: absolute;
     right: 20px;
     top: 38%;
     transform: translateY(-50%);
     width: 17px;
     height: 9px;
     pointer-events: none;
 }

 /* ─── Main white card ─── */
 .leaderboard-card {
     overflow: hidden;
     position: relative;
 }

 .leaderboard-card::after {
     content: '';
     width: 0.8px;
     height: 100%;
     background-color: #D8D8D8;
     display: block;
     position: absolute;
     bottom: 0;
     left: calc(50% - 0.4px);
 }

 /* column header bar */
 .lb-col-headers {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 87px;
 }

 .lb-col-header {
     display: flex;
     align-items: center;
     gap: 0;
     padding: 14px 22px 14px 8px;
 }

 .lb-col-header span {
     font-weight: 600;
     font-size: 16px;
     line-height: 100%;
     letter-spacing: 0%;
     color: #1A1A1A;
     text-align: start;
     display: block;
 }

 .lb-col-header .lbh-rank {
     width: 40px;
     margin-right: 50px;
 }

 .lb-col-header .lbh-player {
     flex: 1;
 }

 /* ─── Skeleton rows inside card ─── */
 #leaderboard-skeleton {
     display: grid;
     grid-template-columns: 1fr 1fr;
 }

 .sk-row {
     display: flex;
     align-items: center;
     gap: 10px;
     padding: 14px 20px;
     border-bottom: 1px solid #f8fafc;
     margin-bottom: 0;
     border-radius: 0;
     background: transparent;
 }

 .sk-row:nth-child(odd) {
     border-right: 1.5px solid #f1f5f9;
 }

 .sk-info {
     flex: 1;
     display: flex;
     flex-direction: column;
     gap: 5px;
 }

 /* ─── All-users two-column grid ─── */
 .leaderboard .all-users {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 14px 87px;
 }

 /* ─── User row overrides ─── */
 .leaderboard .user-row {
     display: flex;
     align-items: center;
     gap: 25px;
     padding: 15.5px 12px;
     background: #fff;
     border-radius: 12px;
     border: none;
     transition: background 0.15s;
     cursor: pointer;
     margin-bottom: 0;
     border: 0.5px solid #D8D8D8
 }

 .leaderboard .user-row:hover {
     background: #e8e8e9;
 }

 .leaderboard .user-row .rank {
     width: 32px;
     font-weight: 600;
     font-size: 14px;
     line-height: 100%;
     letter-spacing: 0%;
     text-align: center;
     color: #444444;
 }

 .leaderboard .user-row .user-info {
     display: flex;
     align-items: center;
     gap: 10px;
     width: 42%;
 }

 .leaderboard .user-row .flag {
     flex-shrink: 0;
     font-size: 1rem;
     /* order: 2; */
 }

 .leaderboard .user-row .flag img {
     height: 22px;
     width: auto;
     border-radius: 2px;
     vertical-align: middle;
 }

 .leaderboard .user-row img {
     width: 32px;
     height: 32px;
     border-radius: 50%;
     object-fit: cover;
     flex-shrink: 0;
 }

 .leaderboard .user-row .profile-image {
     display: grid;
     place-items: center;
     background: linear-gradient(135deg, #6366f1, #8b5cf6);
     color: white;
     font-size: 13px;
     font-weight: 700;
 }

 .leaderboard .user-row .default-image {
     width: 32px;
     height: 32px;
     border-radius: 50%;
     border: none;
     background: linear-gradient(135deg, #6366f1, #8b5cf6);
     color: #fff;
     font-size: 13px;
     font-weight: 700;
     display: grid;
     place-items: center;
     flex-shrink: 0;
     /* order: 3; */
 }

 .leaderboard .user-row .info {
     flex: 1;
     display: flex;
     align-items: center;
     gap: 6px;
     min-width: 0;
     /* order: 4; */
 }

 .leaderboard .user-row .info h4 {
     font-weight: 500;
     font-size: 12px;
     line-height: 16px;
     letter-spacing: 0%;
     color: #444444;
     margin: 0;
 }

 .leaderboard .user-row .level {
     border: 0.98px solid #A6881A;
     padding: 6px 9px;
     font-weight: 600;
     font-size: 12.33px;
     line-height: 100%;
     letter-spacing: 0%;
     display: flex;
     align-items: center;
     gap: 2.8px;
     color: #A6881A;
     border-radius: 20.25px;
 }

 .leaderboard .user-row .level img {
     width: 20px;
     height: 20px;
 }

 .leaderboard .user-row .book-score {
     background: transparent;
     padding: 0;
     border-radius: 0;
     font-weight: 500;
     font-size: 14px;
     line-height: 20px;
     letter-spacing: 0%;
     text-align: right;
     color: #444444;
     flex: 1;
     text-align: right;
 }

 /* =============================================
    Responsive Breakpoints
    ============================================= */

 /* 1200px — constrained desktops / large tablets */
 @media (max-width: 1200px) {
     .leaderboard .container-box {
         padding: 0 20px;
         margin: 57px auto 80px;
     }

     .lb-col-headers {
         gap: 50px;
     }

     .leaderboard .all-users {
         gap: 14px 50px;
     }

     #leaderboard-skeleton {
         gap: 0 50px;
     }

     .leaderboard-card::after {
         left: calc(50% - 25px);
     }
 }

 /* 992px — tablets landscape */
 @media (max-width: 992px) {
     .leaderboard .container-box {
         padding: 0 20px;
         margin: 40px auto 60px;
     }

     .leaderboard-controls {
         gap: 16px;
     }

     .leaderboard-period-wrapper select#selection {
         width: 130px;
         height: 54px;
         font-size: 14px;
     }

     .lb-col-headers {
         gap: 28px;
     }

     .leaderboard .all-users {
         gap: 12px 28px;
     }

     #leaderboard-skeleton {
         gap: 0 28px;
     }

     .leaderboard-card::after {
         left: calc(50% - 14px);
     }

     .leaderboard .user-row {
         gap: 16px;
         padding: 12px 10px;
     }

     .leaderboard .user-row .user-info {
         width: 36%;
     }

     .lb-col-header .lbh-rank {
         margin-right: 30px;
     }
 }

 /* 768px — tablets portrait / large phones — switch to single column */
 @media (max-width: 768px) {
     .leaderboard .container-box {
         padding: 0 20px;
         margin: 30px auto 50px;
     }

     /* Controls: tabs take full row, period select wraps to next line (right-aligned) */
     .leaderboard-controls {
         flex-wrap: wrap;
         gap: 10px;
         margin-bottom: 16px;
     }

     .sk-tabs {
         flex: 0 0 100%;
         order: 0;
     }

     .tabs-scroll-wrap {
         flex: 0 0 100%;
         order: 0;
         margin: 0;
     }

     .leaderboard-period-wrapper {
         order: 1;
         margin-left: auto;
     }

     .leaderboard-period-wrapper select#selection {
         width: 140px;
         height: 46px;
         font-size: 14px;
         padding: 10px 36px 10px 16px;
     }

     /* Single column grid */
     .lb-col-headers,
     .leaderboard .all-users,
     #leaderboard-skeleton {
         grid-template-columns: 1fr;
         gap: 10px;
     }

     .lb-col-header:last-child {
         display: none;
     }

     .lb-col-header:first-child {
         border-right: none;
     }

     .leaderboard-card::after {
         display: none;
     }

     .leaderboard .user-row:nth-child(odd) {
         border-right: none;
     }

     .sk-row:nth-child(odd) {
         border-right: none;
     }

     /* Fix interleaved DOM order [1,11,2,12…] → ranks 1-10 first, then 11-20 */
     .leaderboard .all-users .user-row:nth-child(odd) {
         order: 0;
     }

     .leaderboard .all-users .user-row:nth-child(even) {
         order: 1;
     }

     #leaderboard-skeleton .sk-row:nth-child(odd) {
         order: 0;
     }

     #leaderboard-skeleton .sk-row:nth-child(even) {
         order: 1;
     }

     /* User row — fit everything on one line, no name wrapping */
     .leaderboard .user-row {
         gap: 12px;
         padding: 12px 14px;
     }

     .leaderboard .user-row .user-info {
         width: auto;
         flex: 1;
         min-width: 0;
     }

     .leaderboard .user-row .info {
         min-width: 0;
     }

     .leaderboard .user-row .info h4 {
         white-space: nowrap;
         overflow: hidden;
         text-overflow: ellipsis;
     }

     .lb-col-header .lbh-rank {
         margin-right: 40px;
     }

     .leaderboard::after,
     .leaderboard::before {
         display: none;
     }
 }

 /* 580px — small phones */
 @media (max-width: 580px) {
     .leaderboard .container-box {
         padding: 0 16px;
         margin: 24px auto 40px;
     }

     .leaderboard-controls {
         gap: 8px;
     }

     .tabs-scroll-wrap {
         padding: 8px 10px;
         border-radius: 10px;
     }

     .leaderboard .tabs .book-tab {
         padding: 8px 10px;
         font-size: 13px;
     }

     .leaderboard-period-wrapper select#selection {
         width: 130px;
         height: 42px;
         font-size: 13px;
         padding: 8px 30px 8px 14px;
     }

     /* Scroll buttons — smaller at 580px */
     .tab-scroll-btn {
         width: 26px;
         height: 26px;
     }

     .leaderboard .all-users {
         gap: 8px;
     }

     /* User row — compact, all elements visible on one line */
     .leaderboard .user-row {
         gap: 8px;
         padding: 10px 10px;
     }

     .leaderboard .user-row .rank {
         width: 20px;
         font-size: 12px;
         flex-shrink: 0;
     }

     /* Avatar and initials — smaller to free up name space */
     .leaderboard .user-row img {
         width: 26px;
         height: 26px;
     }

     .leaderboard .user-row .default-image {
         width: 26px;
         height: 26px;
         font-size: 10px;
     }

     .leaderboard .user-row .flag img {
         height: 16px;
     }

     .leaderboard .user-row .info h4 {
         font-size: 11px;
         white-space: nowrap;
         overflow: hidden;
         text-overflow: ellipsis;
     }

     /* Level badge — compact but fully visible */
     .leaderboard .user-row .level {
         padding: 4px 6px;
         font-size: 10px;
         gap: 2px;
         flex-shrink: 0;
     }

     .leaderboard .user-row .level img {
         width: 14px;
         height: 14px;
     }

     /* Points — smaller font so it doesn't crowd the row */
     .leaderboard .user-row .book-score {
         font-size: 11px;
         flex-shrink: 0;
     }
 }

 @media (max-width: 420px) {
     .all-users {
         overflow-x: auto;
     }

     .leaderboard .user-row .book-score {
         flex: inherit;
     }
 }