/* ========================================
   Community Stats - Infographics & Charts
   Dark gaming theme, responsive, pure CSS
   ======================================== */

/* ========== Community Tabs ========== */
.community-nav-tabs {
    display: flex;
    gap: 0;
    padding: 0 var(--spacing-md);
    background: var(--background-light);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.community-nav-tab {
    flex: 1;
    padding: 14px 16px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.community-nav-tab::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    right: 20%;
    height: 3px;
    border-radius: 3px 3px 0 0;
    background: transparent;
    transition: var(--transition);
}

.community-nav-tab:hover {
    color: var(--text-secondary);
    background: var(--surface);
}

.community-nav-tab.active {
    color: var(--primary-color);
}

.community-nav-tab.active::after {
    background: var(--primary-color);
    left: 10%;
    right: 10%;
}

.community-nav-icon {
    font-size: 1.1rem;
}

/* Notification dot on Chat tab when viewing Stats */
.chat-tab-badge {
    position: absolute;
    top: 6px;
    right: 12px;
    width: 10px;
    height: 10px;
    background: linear-gradient(135deg, #00d4aa, #00b4d8);
    border-radius: 50%;
    border: 2px solid var(--background-light);
    box-shadow: 0 0 8px rgba(0, 212, 170, 0.6),
                0 0 16px rgba(0, 212, 170, 0.3);
    z-index: 5;
    animation: chat-tab-badge-pulse 2s ease-in-out infinite;
    pointer-events: none;
}

@keyframes chat-tab-badge-pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 8px rgba(0, 212, 170, 0.6),
                    0 0 16px rgba(0, 212, 170, 0.3);
    }
    50% {
        transform: scale(1.2);
        box-shadow: 0 0 14px rgba(0, 212, 170, 0.8),
                    0 0 28px rgba(0, 212, 170, 0.4);
    }
}

/* ========== Section Containers ========== */
.community-chat-section,
.community-stats-section {
    flex: 1;
    display: none;
    min-height: 0;
}

.community-chat-section.active {
    display: flex;
    flex-direction: column;
}

.community-stats-section.active {
    display: block;
    overflow-y: auto;
    scrollbar-gutter: stable;
}

/* ========== Stats Sections ========== */

/* Dashboard container — consistent vertical rhythm */
.cs-dashboard {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* ========== Anchor Navigation ========== */
.cs-anchor-nav {
    display: flex;
    gap: 2px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 4px;
    position: sticky;
    top: 0;
    z-index: 10;
    overflow-x: auto;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}

.cs-anchor-nav::-webkit-scrollbar {
    display: none;
}

.cs-anchor-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--radius-lg);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    text-decoration: none;
    white-space: nowrap;
    transition: var(--transition);
    flex: 1;
    justify-content: center;
    min-width: 0;
    cursor: pointer;
}

.cs-anchor-link:hover {
    color: var(--text-secondary);
    background: var(--surface-elevated);
}

.cs-anchor-link.active {
    color: #000;
    background: var(--primary-color);
}

.cs-anchor-icon {
    font-size: 0.95rem;
    flex-shrink: 0;
}

.cs-anchor-label {
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Scroll offset for sticky nav */
.cs-dashboard .cs-section-card {
    scroll-margin-top: 52px;
}

.cs-section {
    position: relative;
}

/* Section card — consistent bordered panel for every section */
.cs-section-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
}

.cs-section-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border);
}

.cs-section-title small {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-left: 4px;
}

.cs-icon {
    font-size: 1.2rem;
}

/* ========== KPI Hero Cards ========== */
.cs-hero-section {
    background: linear-gradient(135deg, var(--surface) 0%, rgba(0, 217, 255, 0.02) 100%);
}

/* Two-row KPI layout: Engagement | Economy */
.cs-kpi-groups {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.cs-kpi-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.cs-kpi-group-label {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding-left: 2px;
}

.cs-kpi-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.cs-kpi-card {
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}

.cs-kpi-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.08);
    transform: translateY(-2px);
}

/* KPI accent borders (subtle, left-border highlight) */
.cs-kpi-card--xp {
    border-left: 3px solid rgba(105, 240, 174, 0.4);
}

.cs-kpi-card--coins {
    border-left: 3px solid rgba(255, 193, 7, 0.4);
}

.cs-kpi-card--spent {
    border-left: 3px solid rgba(255, 61, 113, 0.4);
}

.cs-kpi-icon {
    font-size: 1.5rem;
}

.cs-kpi-value {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.cs-kpi-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 500;
}

/* ========== Bar Chart ========== */
.cs-chart-container {
    width: 100%;
    overflow-x: auto;
}

.cs-bar-chart {
    display: flex;
    align-items: flex-end;
    gap: 3px;
    height: 180px;
    padding-bottom: 24px;
    position: relative;
    min-width: 100%;
}

.cs-bar-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    min-width: 18px;
    position: relative;
}

.cs-bar-stack {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    width: 100%;
    flex: 1;
}

.cs-bar-seg {
    width: 100%;
    border-radius: 2px 2px 0 0;
    min-height: 0;
    transition: opacity 0.2s;
}

.cs-bar-seg:hover {
    opacity: 0.8;
    outline: 1px solid rgba(255,255,255,0.3);
}

.cs-bar-label {
    font-size: 0.55rem;
    color: var(--text-muted);
    position: absolute;
    bottom: 0;
    white-space: nowrap;
    transform: rotate(-35deg);
    transform-origin: top right;
}

.cs-bar-value {
    font-size: 0.6rem;
    color: var(--text-secondary);
    position: absolute;
    top: -14px;
    font-weight: 600;
}

/* ========== Chart Legend ========== */
.cs-chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
}

.cs-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.cs-legend-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 5px 12px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    white-space: nowrap;
}

.cs-legend-btn:hover {
    border-color: var(--primary-color);
    background: rgba(0, 217, 255, 0.06);
}

.cs-legend-btn.cs-legend-hidden {
    opacity: 0.35;
    text-decoration: line-through;
    border-color: transparent;
}

.cs-legend-btn.cs-legend-hidden .cs-legend-dot {
    opacity: 0.3;
}

.cs-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ========== Line / Area Chart ========== */
.cs-line-chart {
    position: relative;
    height: 160px;
    width: 100%;
}

.cs-line-svg {
    width: 100%;
    height: 140px;
    display: block;
}

.cs-dot {
    transition: r 0.2s;
    cursor: pointer;
}

.cs-dot:hover {
    r: 3;
}

.cs-line-labels {
    display: flex;
    justify-content: space-between;
    position: relative;
    height: 20px;
    margin-top: 2px;
}

.cs-line-label {
    font-size: 0.6rem;
    color: var(--text-muted);
    position: absolute;
    transform: translateX(-50%);
    white-space: nowrap;
}

/* ========== Pie / Donut Chart ========== */
.cs-pie-container {
    display: flex;
    justify-content: center;
}

.cs-pie-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
}

.cs-pie-donut {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    position: relative;
    flex-shrink: 0;
}

.cs-pie-hole {
    position: absolute;
    width: 55%;
    height: 55%;
    background: var(--background);
    border-radius: 50%;
    top: 22.5%;
    left: 22.5%;
}

.cs-pie-legend {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 160px;
    overflow-y: auto;
}

.cs-pie-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
}

.cs-pie-legend-label {
    color: var(--text-secondary);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cs-pie-legend-val {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.72rem;
}

/* ========== Tables ========== */
.cs-table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    margin-top: var(--spacing-md);
}

.cs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.cs-table thead {
    background: var(--background-light);
    position: sticky;
    top: 0;
    z-index: 1;
}

.cs-table th {
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.68rem;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.cs-table td {
    padding: 10px 12px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.cs-table tbody tr {
    transition: background 0.15s;
}

.cs-table tbody tr:hover {
    background: var(--surface);
}

.cs-table tbody tr:last-child td {
    border-bottom: none;
}

/* -- Game breakdown table -- */
.cs-td-game {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.cs-game-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* -- User ranked table -- */
.cs-users-table .cs-td-rank {
    width: 50px;
    text-align: center;
}

.cs-rank-medal {
    font-size: 1.3rem;
}

.cs-rank-num {
    font-weight: 700;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.cs-user-row {
    cursor: pointer;
}

.cs-user-cell {
    display: flex;
    align-items: center;
    gap: 10px;
}

.cs-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 2px solid var(--border);
}

.cs-user-avatar--fallback {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-elevated);
    font-size: 1rem;
    border-radius: 50%;
    border: 2px solid var(--border);
}

.cs-user-badge {
    font-size: 1.3rem;
    flex-shrink: 0;
}

.cs-user-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.cs-user-name {
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cs-user-title {
    font-size: 0.7rem;
    font-weight: 500;
}

.cs-td-xp {
    font-weight: 700;
    color: var(--primary-color);
}

.cs-td-coins {
    font-weight: 600;
}

.cs-td-streak {
    font-weight: 600;
}

.cs-th-rank {
    width: 50px;
    text-align: center;
}

/* ========== Economy Tabs ========== */
.cs-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: var(--spacing-md);
    background: var(--surface-elevated);
    border-radius: var(--radius-lg);
    padding: 3px;
    width: fit-content;
}

.cs-tab {
    padding: 8px 20px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.cs-tab:hover {
    color: var(--text-secondary);
}

.cs-tab.active {
    background: var(--primary-color);
    color: #000;
}

/* ========== Economy Charts Layout ========== */
.cs-economy-charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.cs-economy-chart-box {
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
    overflow: hidden;
}

.cs-chart-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

/* ========== Economy Summary Cards ========== */
.cs-summary-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.cs-summary-card {
    text-align: center;
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm) var(--spacing-xs);
}

.cs-sum-val {
    display: block;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
}

.cs-sum-lbl {
    display: block;
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-top: 2px;
}

/* ========== Historical page ========== */
.cs-historical-totals {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.cs-hist-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
    text-align: center;
}

.cs-hist-icon {
    font-size: 1.5rem;
}

.cs-hist-val {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-primary);
}

.cs-hist-lbl {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ========== Hall of Fame — Top Achievers ========== */

.cs-hall-of-fame {
    position: relative;
    overflow: visible;
}

.cs-hall-of-fame::before {
    content: '';
    position: absolute;
    top: -40%;
    left: -10%;
    width: 120%;
    height: 180%;
    background: radial-gradient(ellipse at 30% 20%, rgba(105, 240, 174, 0.04) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 80%, rgba(255, 193, 7, 0.04) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

.cs-hall-of-fame > * {
    position: relative;
    z-index: 1;
}

.cs-achiever-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

/* — Champion Card — */
.cs-champion-card {
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cs-champion-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cs-champion-card:hover {
    transform: translateY(-3px);
}

.cs-champion-card--xp {
    border-color: rgba(105, 240, 174, 0.2);
}

.cs-champion-card--xp::after {
    box-shadow: inset 0 0 30px rgba(105, 240, 174, 0.05), 0 4px 24px rgba(105, 240, 174, 0.08);
}

.cs-champion-card--xp:hover::after {
    opacity: 1;
}

.cs-champion-card--coins {
    border-color: rgba(255, 193, 7, 0.2);
}

.cs-champion-card--coins::after {
    box-shadow: inset 0 0 30px rgba(255, 193, 7, 0.05), 0 4px 24px rgba(255, 193, 7, 0.08);
}

.cs-champion-card--coins:hover::after {
    opacity: 1;
}

.cs-champion-card--empty {
    opacity: 0.5;
    min-height: 180px;
    align-items: center;
    justify-content: center;
}

/* — Header — */
.cs-champion-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.cs-champion-badge {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

/* — Identity Row: avatar ring + name + big metric — */
.cs-champion-identity {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.cs-champion-avatar-ring {
    width: 56px;
    height: 56px;
    min-width: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3px;
    background: conic-gradient(from 180deg, var(--ring-color), transparent 60%, var(--ring-color));
    animation: cs-ring-spin 4s linear infinite;
}

.cs-champion-avatar-ring .cs-user-avatar {
    width: 48px !important;
    height: 48px !important;
    border-radius: 50%;
    border: 2px solid var(--surface);
}

@keyframes cs-ring-spin {
    from { background: conic-gradient(from 0deg, var(--ring-color), transparent 60%, var(--ring-color)); }
    to   { background: conic-gradient(from 360deg, var(--ring-color), transparent 60%, var(--ring-color)); }
}

.cs-champion-user {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.cs-champion-name {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cs-champion-level {
    font-size: 0.78rem;
    font-weight: 600;
}

.cs-champion-metric {
    font-size: 1.5rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    text-align: right;
    min-width: 70px;
    line-height: 1.1;
}

/* — Stat Pills — */
.cs-champion-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.cs-champ-pill {
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 3px 10px;
    font-size: 0.72rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* — Breakdown — */
.cs-champion-breakdown {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 4px;
}

.cs-breakdown-title {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.cs-breakdown-row {
    display: grid;
    grid-template-columns: minmax(80px, 1fr) 2fr auto auto;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
}

.cs-breakdown-label {
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cs-breakdown-bar-track {
    height: 6px;
    background: var(--surface-elevated);
    border-radius: 3px;
    overflow: hidden;
}

.cs-breakdown-bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.6s ease;
}

.cs-breakdown-value {
    font-weight: 700;
    color: var(--text-primary);
    text-align: right;
    font-variant-numeric: tabular-nums;
    min-width: 36px;
}

.cs-breakdown-detail {
    font-size: 0.68rem;
    color: var(--text-muted);
    text-align: right;
    min-width: 60px;
}

/* ========== Load More ========== */
.cs-load-more-wrap {
    text-align: center;
    margin-top: var(--spacing-md);
}

.cs-load-more-btn {
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    color: var(--primary-color);
    padding: 10px 32px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.cs-load-more-btn:hover {
    background: rgba(0, 217, 255, 0.08);
    border-color: var(--primary-color);
}

.cs-load-more-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========== States: Empty / Error / Loading ========== */
.cs-empty {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.cs-error {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--error);
}

.cs-error-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.cs-loading-inline {
    display: flex;
    justify-content: center;
    padding: var(--spacing-xl);
}

.cs-spinner {
    width: 28px;
    height: 28px;
    border: 3px solid var(--border);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: cs-spin 0.8s linear infinite;
}

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

/* ========== Skeleton Loading ========== */
.cs-skeleton {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    padding: 0;
}

.cs-skel-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
}

.cs-skel-title {
    height: 20px;
    width: 180px;
    background: var(--surface-elevated);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    animation: cs-pulse 1.4s ease-in-out infinite;
}

.cs-skel-kpis {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.cs-skel-kpi {
    height: 80px;
    background: var(--surface-elevated);
    border-radius: var(--radius-xl);
    animation: cs-pulse 1.4s ease-in-out infinite;
}

.cs-skel-chart {
    height: 180px;
    background: var(--surface-elevated);
    border-radius: var(--radius-lg);
    animation: cs-pulse 1.4s ease-in-out infinite;
}

.cs-skel-rows {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.cs-skel-row {
    height: 40px;
    background: var(--surface-elevated);
    border-radius: var(--radius-md);
    animation: cs-pulse 1.4s ease-in-out infinite;
}

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

/* ========== Animations ========== */
.cs-fade-in {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.cs-fade-in.cs-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .cs-section-card {
        padding: var(--spacing-md);
    }

    .cs-anchor-link {
        padding: 7px 10px;
        font-size: 0.72rem;
    }

    .cs-anchor-label {
        display: none;
    }

    .cs-anchor-link.active .cs-anchor-label {
        display: inline;
    }

    .cs-kpi-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .cs-achiever-grid {
        grid-template-columns: 1fr;
    }

    .cs-champion-metric {
        font-size: 1.2rem;
    }

    .cs-breakdown-row {
        grid-template-columns: minmax(60px, 1fr) 1.5fr auto;
    }

    .cs-breakdown-detail {
        display: none;
    }

    .cs-economy-charts {
        grid-template-columns: 1fr;
    }

    .cs-summary-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .cs-historical-totals {
        grid-template-columns: repeat(2, 1fr);
    }

    .cs-pie-wrapper {
        flex-direction: column;
    }

    .cs-pie-donut {
        width: 130px;
        height: 130px;
    }

    .cs-bar-chart {
        height: 140px;
    }

    .cs-users-table .cs-td-games,
    .cs-users-table .cs-td-streak {
        display: none;
    }
}

@media (max-width: 480px) {
    .cs-section-card {
        padding: var(--spacing-sm);
        border-radius: var(--radius-lg);
    }

    .cs-dashboard {
        gap: var(--spacing-md);
    }

    .cs-kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cs-champion-identity {
        flex-wrap: wrap;
    }

    .cs-champion-avatar-ring {
        width: 44px;
        height: 44px;
        min-width: 44px;
    }

    .cs-champion-avatar-ring .cs-user-avatar {
        width: 38px !important;
        height: 38px !important;
    }

    .cs-champion-metric {
        width: 100%;
        text-align: left;
        font-size: 1.3rem;
    }

    .cs-kpi-card {
        padding: var(--spacing-sm);
    }

    .cs-kpi-value {
        font-size: 1.1rem;
    }

    .cs-kpi-label {
        font-size: 0.6rem;
    }

    .cs-summary-row {
        grid-template-columns: 1fr 1fr;
    }

    .cs-table th,
    .cs-table td {
        padding: 8px 6px;
        font-size: 0.75rem;
    }

    .cs-users-table .cs-td-coins {
        display: none;
    }

    .community-nav-tab {
        font-size: 0.85rem;
        padding: 12px 8px;
    }
}