/* ===========================================================================
   World Cup 2026 Bracket & Predictor — "Midnight Obsidian" design system
   All selectors are scoped under .wcb-* so this file never affects the rest
   of the app. Mobile-first; strict width boundaries.
   =========================================================================== */
.wcb-root {
    --wcb-bg: #0B0C10;
    --wcb-surface: #1F2833;
    --wcb-border: #45A29E;
    --wcb-text: #FFFFFF;
    --wcb-text-2: #C5C6C7;
    --wcb-accent: #66FCF1;
    --wcb-gold: #D4AF37;
    --wcb-red: #b3413c;
}

/* ---- Launch button (FAB) ---- */
/* Mounted inside .header and pinned to the top-centre, on the same row as
   the date (top-right) and the EN/HE language switcher (top-left). */
.wcb-fab {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 60;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border: 1px solid var(--wcb-border);
    border-radius: 999px;
    background: rgba(31, 40, 51, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--wcb-text);
    font: 600 0.78rem/1 system-ui, sans-serif;
    white-space: nowrap;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
}
.wcb-fab[dir="rtl"] { right: auto; left: 50%; }
.wcb-fab .wcb-trophy { font-size: 0.92em; }
.wcb-fab:hover { border-color: var(--wcb-accent); color: var(--wcb-accent); }

@media (max-width: 768px) {
    .wcb-fab {
        top: 8px;
        padding: 4px 9px;
        gap: 4px;
        font-size: 0.6rem;
    }
}

/* ---- Full-screen overlay ---- */
.wcb-view {
    position: fixed;
    inset: 0;
    z-index: 1500;
    display: flex;
    flex-direction: column;
    background: var(--wcb-bg);
    color: var(--wcb-text);
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    overflow: hidden;
}
.wcb-view.hidden { display: none; }

.wcb-header {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 12px 14px;
    border-bottom: 1px solid rgba(69, 162, 158, 0.35);
}
.wcb-header-top {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 34px;
}
.wcb-header-top .wcb-save-state {
    flex-shrink: 0;
    max-width: 35%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.wcb-header-top .wcb-close {
    flex-shrink: 0;
}
.wcb-header-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
.wcb-header-controls.hidden { display: none; }
.wcb-header-controls-end {
    display: flex;
    align-items: center;
    gap: 8px;
}
.wcb-lang-toggle {
    display: inline-flex;
    gap: 3px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(102, 252, 241, 0.18);
    border-radius: 9px;
    padding: 3px;
    flex-shrink: 0;
}
.wcb-lang-toggle.hidden { display: none; }
.wcb-lang-btn {
    border: none;
    background: transparent;
    color: var(--wcb-text-2);
    font-size: 0.76rem;
    font-weight: 700;
    padding: 4px 9px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}
.wcb-lang-btn.active {
    background: linear-gradient(135deg, #66FCF1 0%, #45A29E 100%);
    color: #06241F;
}
.wcb-title {
    align-self: center;
    flex: 1 1 auto;
    max-width: none;
    min-width: 0;
    margin: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    white-space: nowrap;
    overflow: hidden;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    color: var(--wcb-text);
    cursor: pointer;
    border: 1px solid rgba(102, 252, 241, 0.30);
    background: rgba(102, 252, 241, 0.07);
    border-radius: 10px;
    padding: 7px 16px;
    font-family: inherit;
    transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.wcb-title:hover { color: var(--wcb-accent); background: rgba(102, 252, 241, 0.14); border-color: var(--wcb-accent); }
.wcb-title:focus-visible { outline: 2px solid var(--wcb-accent); outline-offset: 2px; }
.wcb-title .wcb-trophy { color: var(--wcb-gold); flex-shrink: 0; }
.wcb-title .wcb-title-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}
.wcb-title .wcb-title-share {
    font-size: 0.82em;
    opacity: 0.85;
    flex-shrink: 0;
}
.wcb-close {
    background: transparent;
    border: 1px solid rgba(197, 198, 199, 0.35);
    color: var(--wcb-text-2);
    width: 34px;
    height: 34px;
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
}
.wcb-close:hover { color: var(--wcb-text); border-color: var(--wcb-accent); }
.wcb-close.hidden { display: none; }
.wcb-share {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, rgba(232, 179, 58, 0.18) 0%, rgba(232, 179, 58, 0.08) 100%);
    border: 1px solid var(--wcb-gold);
    color: var(--wcb-text);
    height: 34px;
    padding: 0 12px;
    border-radius: 8px;
    font-size: 0.86rem;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    transition: filter 0.15s ease, transform 0.15s ease;
}
.wcb-share:hover { filter: brightness(1.12); transform: translateY(-1px); }
.wcb-share:active { transform: translateY(0); }
.wcb-join {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border: 1px solid #128C7E;
    color: #ffffff;
    height: 34px;
    padding: 0 14px;
    border-radius: 8px;
    font-size: 0.86rem;
    font-weight: 800;
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
    box-shadow: 0 2px 6px rgba(18, 140, 126, 0.35);
    transition: filter 0.15s ease, transform 0.15s ease;
}
.wcb-join:hover { filter: brightness(1.08); transform: translateY(-1px); }
.wcb-join:active { transform: translateY(0); }
.wcb-join.hidden { display: none; }
@media (max-width: 480px) {
    .wcb-share-label { display: none; }
    .wcb-share { padding: 0 10px; }
    .wcb-join { padding: 0 12px; }
    .wcb-header { padding: 10px 12px; gap: 9px; }
    .wcb-title { font-size: 0.78rem; padding: 6px 12px; }
    .wcb-lang-btn { font-size: 0.72rem; padding: 4px 8px; }
}

/* ---- Sticky tab bar ---- */
.wcb-tabs {
    position: sticky;
    top: 0;
    z-index: 5;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    padding: 10px 12px;
    background: rgba(11, 12, 16, 0.96);
    border-bottom: 1px solid rgba(69, 162, 158, 0.25);
}
.wcb-tabs::-webkit-scrollbar { display: none; }
.wcb-tab {
    flex: 0 0 auto;
    padding: 7px 13px;
    border: 1px solid rgba(69, 162, 158, 0.35);
    border-radius: 999px;
    background: rgba(31, 40, 51, 0.6);
    color: var(--wcb-text-2);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.wcb-tab.active {
    color: var(--wcb-bg);
    background: var(--wcb-accent);
    border-color: var(--wcb-accent);
}

/* ---- Content panel with transition ---- */
.wcb-content {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 14px 12px calc(96px + env(safe-area-inset-bottom));
    max-width: 720px;
    width: 100%;
    margin: 0 auto;
}
.wcb-panel { animation: wcb-fade 0.25s ease; }
@keyframes wcb-fade {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---- Glass surface ---- */
.wcb-card {
    background: rgba(31, 40, 51, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(69, 162, 158, 0.4);
    border-radius: 14px;
}

/* ---- Groups grid ---- */
.wcb-groups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
}
.wcb-group-card { padding: 10px; }
.wcb-group-card h4 {
    margin: 0 0 8px;
    font-size: 0.8rem;
    color: var(--wcb-accent);
    letter-spacing: 1px;
    text-transform: uppercase;
}
.wcb-mini-table { width: 100%; border-collapse: collapse; font-size: 0.74rem; }
.wcb-mini-table td { padding: 4px 2px; border-bottom: 1px solid rgba(197, 198, 199, 0.12); }
.wcb-mini-table tr:last-child td { border-bottom: none; }
.wcb-pos { color: var(--wcb-text-2); width: 14px; }
.wcb-flag { width: 18px; height: 13px; object-fit: cover; border-radius: 2px; vertical-align: middle; }
.wcb-tname { color: var(--wcb-text); max-width: 78px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wcb-num { color: var(--wcb-text-2); text-align: right; font-variant-numeric: tabular-nums; }
.wcb-row-clickable { cursor: pointer; }
.wcb-row-clickable:hover td { color: var(--wcb-accent); }

/* Desktop: give the group cards room so team names render in full instead of
   being clipped to the compact 78px cap used on mobile (e.g. "…zerland",
   "…govina"). Names wrap to a second line only when genuinely out of room. */
@media (min-width: 769px) {
    .wcb-groups-grid { grid-template-columns: repeat(auto-fill, minmax(225px, 1fr)); }
    .wcb-mini-table { table-layout: auto; }
    .wcb-mini-table .wcb-tname {
        max-width: none;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
        overflow-wrap: anywhere;
        line-height: 1.25;
    }
}

/* ---- 3rd-place tracker ---- */
.wcb-tracker { display: flex; flex-direction: column; gap: 6px; }
.wcb-tracker-row {
    display: grid;
    grid-template-columns: 24px 1fr auto auto auto;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    border-radius: 10px;
    border: 1px solid transparent;
    background: rgba(31, 40, 51, 0.6);
    font-size: 0.82rem;
}
.wcb-tracker-row .wcb-rank { color: var(--wcb-text-2); font-weight: 700; }
.wcb-tracker-row .wcb-num { min-width: 28px; }
/* Let the team name fill the flexible 1fr column instead of the shared
   78px cap used by the compact group tables (which clipped names like
   "Sweden" down to "…den"). min-width:0 lets the grid item ellipsize only
   when genuinely out of room. */
.wcb-tracker-row .wcb-tname {
    max-width: none;
    min-width: 0;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
}
.wcb-tracker-dest {
    display: block;
    margin-top: 3px;
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--wcb-accent);
    line-height: 1.2;
}
.wcb-tracker-out {
    color: var(--wcb-text-2);
    font-weight: 600;
}
.wcb-zone-green {
    border-color: var(--wcb-border);
    box-shadow: 0 0 0 1px rgba(69, 162, 158, 0.35), 0 0 14px rgba(69, 162, 158, 0.25);
}
.wcb-zone-red { opacity: 0.5; }
.wcb-zone-divider {
    margin: 8px 0;
    text-align: center;
    font-size: 0.7rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--wcb-red);
}

/* ---- Knockout fixture stacks ---- */
.wcb-stack { display: flex; flex-direction: column; gap: 10px; }
.wcb-round-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 6px 12px;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(102, 252, 241, 0.22);
}
.wcb-round-head-title {
    font-size: 1.02rem;
    font-weight: 800;
    letter-spacing: 0.01em;
    color: var(--wcb-text);
}
.wcb-round-head-count {
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--wcb-accent);
    background: rgba(102, 252, 241, 0.1);
    border: 1px solid rgba(102, 252, 241, 0.25);
    border-radius: 999px;
    padding: 2px 10px;
    white-space: nowrap;
}
.wcb-round-note {
    margin-bottom: 12px;
    padding: 10px 12px;
    font-size: 0.78rem;
    line-height: 1.5;
    color: var(--wcb-text-2);
    background: rgba(102, 252, 241, 0.06);
    border: 1px solid rgba(102, 252, 241, 0.18);
    border-radius: 8px;
}
.wcb-match { padding: 10px 12px; }
.wcb-match.live { border-color: var(--wcb-border); box-shadow: 0 0 16px rgba(102, 252, 241, 0.18); }
.wcb-match.completed { border-color: rgba(102, 252, 241, 0.25); }
.wcb-match-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    font-size: 0.68rem;
    color: var(--wcb-text-2);
}
.wcb-match-meta .wcb-match-when { flex: 1; text-align: center; }
.wcb-match-no {
    flex: none;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    color: var(--wcb-accent);
    background: rgba(102, 252, 241, 0.1);
    border: 1px solid rgba(102, 252, 241, 0.25);
    border-radius: 6px;
    padding: 1px 6px;
    letter-spacing: 0.02em;
}
.wcb-match.live .wcb-live-badge { color: var(--wcb-accent); animation: wcb-pulse 1.2s infinite; }
@keyframes wcb-pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }

.wcb-side {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 0;
}
.wcb-side img { width: 22px; height: 22px; object-fit: contain; }
.wcb-side .wcb-side-text { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.wcb-side .wcb-side-name { color: var(--wcb-text); font-size: 0.86rem; }
/* Prediction echoed under the official slot name, visually distinct. */
.wcb-side-pred {
    font-size: 0.7rem;
    font-weight: 700;
    color: #c4b5fd;
    letter-spacing: 0.01em;
}
.wcb-side .wcb-side-score {
    color: var(--wcb-text-2);
    font-variant-numeric: tabular-nums;
    font-weight: 700;
}
.wcb-side .wcb-side-score .wcb-side-pen {
    color: var(--wcb-gold);
    font-size: 0.78em;
    font-weight: 700;
}
.wcb-side.placeholder .wcb-side-name { color: var(--wcb-text-2); font-style: italic; }
.wcb-side.advanced .wcb-side-name {
    color: var(--wcb-text);
    font-weight: 800;
    text-shadow: 0 0 10px rgba(102, 252, 241, 0.45);
}
.wcb-side.advanced .wcb-side-score { color: var(--wcb-accent); }
/* Predicted (not yet official) advancer — purple, never masquerades as a result. */
.wcb-side.predicted-advance { background: rgba(167, 139, 250, 0.08); border-radius: 8px; }
.wcb-side.predicted-advance .wcb-side-pred { color: #ddd6fe; }
.wcb-slot-clickable { cursor: pointer; border-radius: 8px; }
.wcb-slot-clickable:hover { background: rgba(102, 252, 241, 0.08); }

/* Re-pick button on directly-pickable slots (group/3rd-place). */
.wcb-side-edit {
    flex: none;
    width: 24px;
    height: 24px;
    padding: 0;
    border: 1px solid rgba(69, 162, 158, 0.35);
    border-radius: 6px;
    background: rgba(11, 12, 16, 0.4);
    color: var(--wcb-text-2);
    font-size: 0.8rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0.55;
    transition: opacity 0.15s, border-color 0.15s, color 0.15s;
}
.wcb-side:hover .wcb-side-edit { opacity: 1; }
.wcb-side-edit:hover { border-color: var(--wcb-accent); color: var(--wcb-accent); }
.wcb-side-edit.has-pick { opacity: 0.9; border-color: rgba(102, 252, 241, 0.5); color: var(--wcb-accent); }

/* Per-card prediction affordance / echo. */
.wcb-match-pick {
    margin-top: 8px;
    padding-top: 7px;
    border-top: 1px dashed rgba(197, 198, 199, 0.18);
    font-size: 0.72rem;
    color: var(--wcb-text-2);
    text-align: center;
}
.wcb-match-pick.has-pick {
    color: var(--wcb-accent);
    font-weight: 600;
}

/* My Picks summary */
.wcb-mp-section { margin-bottom: 18px; }
.wcb-mp-round {
    margin: 0 0 8px;
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--wcb-text-2);
    border-bottom: 1px solid rgba(197, 198, 199, 0.15);
    padding-bottom: 5px;
}
.wcb-mp-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 10px;
    background: rgba(102, 252, 241, 0.05);
    border: 1px solid var(--wcb-border);
    margin-bottom: 6px;
}
.wcb-mp-team { display: flex; align-items: center; gap: 9px; min-width: 0; }
.wcb-mp-team img, .wcb-mp-nologo { width: 24px; height: 24px; object-fit: contain; flex: none; }
.wcb-mp-team span {
    font-weight: 700;
    color: var(--wcb-text);
    font-size: 0.9rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.wcb-mp-vs {
    flex: none;
    font-size: 0.74rem;
    color: var(--wcb-text-2);
}

/* ---- Bracket tree (read-only, mirrored) ---- */
.wcb-tree-hint {
    font-size: 0.74rem;
    color: var(--wcb-text-2);
    margin: 0 0 10px;
    text-align: center;
}
.wcb-tree-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 14px;
}
/* Stage labels above the tree columns. Uses the SAME fixed column widths as
   .wcb-tree-col (side 158px, centre 152px, gap var(--tn-gap)) so every label
   sits exactly over its column, while staying a separate row that never
   affects the connector geometry inside .wcb-tree. */
.wcb-tree-head {
    display: flex;
    align-items: flex-end;
    direction: ltr;
    min-width: max-content;
    margin-bottom: 8px;
    --tn-gap: 22px;
}
.wcb-tree-head-col {
    width: 158px;
    min-width: 158px;
    flex: none;
    margin-right: var(--tn-gap);
    text-align: center;
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--wcb-accent);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}
.wcb-tree-head-count {
    font-size: 0.56rem;
    font-weight: 700;
    text-transform: none;
    letter-spacing: 0;
    color: var(--wcb-accent);
    background: rgba(102, 252, 241, 0.1);
    border: 1px solid rgba(102, 252, 241, 0.25);
    border-radius: 999px;
    padding: 1px 7px;
    white-space: nowrap;
}
.wcb-tree-head-col.center { width: 152px; min-width: 152px; }
.wcb-tree {
    display: flex;
    align-items: stretch;
    min-width: max-content;
    direction: ltr;
    min-height: 640px;
    --tn-gap: 22px;
    --tn-line: rgba(102, 252, 241, 0.35);
}
.wcb-tree-col {
    display: flex;
    flex-direction: column;
    width: 158px;
    min-width: 158px;
    flex: none;
    margin-right: var(--tn-gap);
}
.wcb-tree-col.center {
    width: 152px;
    min-width: 152px;
    justify-content: center;
    align-items: center;
    position: relative;
}
.wcb-tn-cell {
    flex: 1 1 0;
    display: flex;
    align-items: center;
    position: relative;
}
.wcb-tn {
    width: 100%;
    background: rgba(11, 12, 16, 0.7);
    border: 1px solid var(--wcb-border);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    z-index: 1;
}
/* Canonical FIFA match number, shown as a small corner tag so users can map
   "Winner Match N" placeholders to the node that produces that result. */
.wcb-tn-num {
    position: absolute;
    top: 0;
    inset-inline-end: 0;
    z-index: 3;
    padding: 0 4px;
    font-size: 0.56rem;
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: var(--wcb-bg);
    background: var(--wcb-border);
    border-bottom-left-radius: 6px;
    pointer-events: none;
}
.wcb-tn-team {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 7px;
    font-size: 0.72rem;
    color: var(--wcb-text-2);
}
.wcb-tn-team + .wcb-tn-team { border-top: 1px solid var(--wcb-border); }
.wcb-tn-logo { flex: none; display: inline-flex; }
.wcb-tn-logo img, .wcb-tn-flag { width: 16px; height: 16px; object-fit: contain; }
.wcb-tn-flag { display: inline-block; background: rgba(197, 198, 199, 0.15); border-radius: 2px; }
.wcb-tn-name { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.wcb-tn-team.ph .wcb-tn-name { font-style: italic; opacity: 0.7; }
.wcb-tn-team.adv { color: var(--wcb-text); font-weight: 700; }
.wcb-tn-team.adv .wcb-tn-name { text-shadow: 0 0 8px rgba(102, 252, 241, 0.4); }

/* Center / Final — label and trophy are absolutely positioned so the
   final card alone defines the vertical centre and aligns with the
   semi-final connector lines. */
.wcb-tn-final-label {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(50% - 62px);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--wcb-accent);
    text-align: center;
}
.cell-final {
    width: 152px;
    border-color: var(--wcb-accent);
    box-shadow: 0 0 16px rgba(102, 252, 241, 0.22);
}
.wcb-tn-trophy {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(50% + 30px);
    text-align: center;
    font-size: 1.9rem;
}

/* Connectors — LEFT side (lines flow rightward toward center) */
.side-left.wcb-tree-r0 .wcb-tn-cell::after,
.side-left.wcb-tree-r1 .wcb-tn-cell::after,
.side-left.wcb-tree-r2 .wcb-tn-cell::after {
    content: ''; position: absolute; left: 100%; top: 50%;
    width: calc(var(--tn-gap) / 2); height: 2px; background: var(--tn-line);
}
.side-left.wcb-tree-r0 .wcb-tn-cell:nth-child(odd)::before,
.side-left.wcb-tree-r1 .wcb-tn-cell:nth-child(odd)::before,
.side-left.wcb-tree-r2 .wcb-tn-cell:nth-child(odd)::before {
    content: ''; position: absolute; left: calc(100% + var(--tn-gap) / 2);
    top: 50%; height: 50%; width: 2px; background: var(--tn-line);
}
.side-left.wcb-tree-r0 .wcb-tn-cell:nth-child(even)::before,
.side-left.wcb-tree-r1 .wcb-tn-cell:nth-child(even)::before,
.side-left.wcb-tree-r2 .wcb-tn-cell:nth-child(even)::before {
    content: ''; position: absolute; left: calc(100% + var(--tn-gap) / 2);
    bottom: 50%; height: 50%; width: 2px; background: var(--tn-line);
}
/* Left receiver incoming stubs (R16, QF, SF) */
.side-left.wcb-tree-r1 .wcb-tn::before,
.side-left.wcb-tree-r2 .wcb-tn::before,
.side-left.wcb-tree-r3 .wcb-tn::before {
    content: ''; position: absolute; right: 100%; top: 50%;
    width: calc(var(--tn-gap) / 2); height: 2px; background: var(--tn-line);
}
/* Left SF -> Final straight feeder */
.side-left.wcb-tree-r3 .wcb-tn-cell::after {
    content: ''; position: absolute; left: 100%; top: 50%;
    width: var(--tn-gap); height: 2px; background: var(--tn-line);
}

/* Connectors — RIGHT side (mirrored, lines flow leftward toward center) */
.side-right.wcb-tree-r0 .wcb-tn-cell::after,
.side-right.wcb-tree-r1 .wcb-tn-cell::after,
.side-right.wcb-tree-r2 .wcb-tn-cell::after {
    content: ''; position: absolute; right: 100%; top: 50%;
    width: calc(var(--tn-gap) / 2); height: 2px; background: var(--tn-line);
}
.side-right.wcb-tree-r0 .wcb-tn-cell:nth-child(odd)::before,
.side-right.wcb-tree-r1 .wcb-tn-cell:nth-child(odd)::before,
.side-right.wcb-tree-r2 .wcb-tn-cell:nth-child(odd)::before {
    content: ''; position: absolute; right: calc(100% + var(--tn-gap) / 2);
    top: 50%; height: 50%; width: 2px; background: var(--tn-line);
}
.side-right.wcb-tree-r0 .wcb-tn-cell:nth-child(even)::before,
.side-right.wcb-tree-r1 .wcb-tn-cell:nth-child(even)::before,
.side-right.wcb-tree-r2 .wcb-tn-cell:nth-child(even)::before {
    content: ''; position: absolute; right: calc(100% + var(--tn-gap) / 2);
    bottom: 50%; height: 50%; width: 2px; background: var(--tn-line);
}
/* Right receiver incoming stubs (R16, QF, SF) */
.side-right.wcb-tree-r1 .wcb-tn::before,
.side-right.wcb-tree-r2 .wcb-tn::before,
.side-right.wcb-tree-r3 .wcb-tn::before {
    content: ''; position: absolute; left: 100%; top: 50%;
    width: calc(var(--tn-gap) / 2); height: 2px; background: var(--tn-line);
}
/* Right SF -> Final straight feeder */
.side-right.wcb-tree-r3 .wcb-tn-cell::after {
    content: ''; position: absolute; right: 100%; top: 50%;
    width: var(--tn-gap); height: 2px; background: var(--tn-line);
}

.wcb-candidate-clear {
    justify-content: center;
    border-style: dashed;
    color: var(--wcb-text-2);
}
.wcb-candidate-clear:hover { border-color: var(--wcb-gold); color: var(--wcb-gold); }

.wcb-final .wcb-match { border-color: var(--wcb-gold); box-shadow: 0 0 22px rgba(212, 175, 55, 0.22); }
.wcb-final .wcb-side.advanced .wcb-side-name { text-shadow: 0 0 12px rgba(212, 175, 55, 0.5); }

.wcb-warnings {
    margin-bottom: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid rgba(179, 65, 60, 0.5);
    background: rgba(179, 65, 60, 0.12);
    color: var(--wcb-text-2);
    font-size: 0.74rem;
}
.wcb-empty { text-align: center; color: var(--wcb-text-2); padding: 40px 16px; font-size: 0.9rem; }

/* ---- Leaderboard ---- */
.wcb-lb-head { margin-bottom: 14px; }
.wcb-lb-title { margin: 0 0 6px; font-size: 1.05rem; color: var(--wcb-text); }
.wcb-lb-desc { margin: 0 0 4px; font-size: 0.82rem; color: var(--wcb-text-2); }
.wcb-lb-scoring { margin: 0; font-size: 0.72rem; color: var(--wcb-text-2); opacity: 0.85; }
.wcb-lb-hint {
    margin-top: 10px;
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid var(--wcb-border);
    background: rgba(69, 162, 158, 0.12);
    color: var(--wcb-text-2);
    font-size: 0.76rem;
}
.wcb-lb-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
    font-size: 0.86rem;
}
.wcb-lb-table thead th {
    text-align: start;
    padding: 8px 10px;
    color: var(--wcb-text-2);
    font-weight: 600;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid rgba(197, 198, 199, 0.2);
}
.wcb-lb-table tbody td {
    padding: 10px;
    border-bottom: 1px solid rgba(197, 198, 199, 0.1);
    color: var(--wcb-text);
}
.wcb-lb-rank { width: 44px; text-align: center; font-size: 1rem; }
.wcb-lb-correct, .wcb-lb-points { text-align: center; width: 64px; }
.wcb-lb-points { font-weight: 700; color: var(--wcb-accent); }
.wcb-lb-name { font-weight: 600; }
.wcb-lb-row.me { background: rgba(102, 252, 241, 0.08); }
.wcb-lb-row.me .wcb-lb-name { color: var(--wcb-accent); }
.wcb-lb-you {
    display: inline-block;
    margin-inline-start: 8px;
    padding: 1px 8px;
    border-radius: 999px;
    background: var(--wcb-accent);
    color: var(--wcb-bg);
    font-size: 0.66rem;
    font-weight: 700;
    vertical-align: middle;
}

/* ---- Leaderboard opt-in settings ---- */
.wcb-lb-settings {
    margin-top: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--wcb-border);
    background: rgba(102, 252, 241, 0.05);
}
.wcb-lb-optin {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: var(--wcb-text);
    font-weight: 600;
    font-size: 0.9rem;
}
.wcb-lb-optin input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--wcb-accent);
    cursor: pointer;
}
.wcb-lb-optin-hint {
    margin: 6px 0 0 28px;
    font-size: 0.74rem;
    color: var(--wcb-text-2);
}
.wcb-lb-name-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
}
.wcb-lb-name-row label {
    font-size: 0.78rem;
    color: var(--wcb-text-2);
}
.wcb-lb-name-row input[type="text"] {
    flex: 1 1 160px;
    min-width: 140px;
    padding: 7px 10px;
    border-radius: 8px;
    border: 1px solid var(--wcb-border);
    background: var(--wcb-bg);
    color: var(--wcb-text);
    font-size: 0.86rem;
}
.wcb-lb-name-row input[type="text"]:focus {
    outline: none;
    border-color: var(--wcb-accent);
}
.wcb-lb-save-btn {
    padding: 7px 16px;
    border-radius: 8px;
    border: 1px solid var(--wcb-accent);
    background: transparent;
    color: var(--wcb-accent);
    font-weight: 600;
    font-size: 0.82rem;
    cursor: pointer;
}
.wcb-lb-save-btn:hover {
    background: var(--wcb-accent);
    color: var(--wcb-bg);
}
.wcb-lb-save-status {
    font-size: 0.76rem;
    color: var(--wcb-text-2);
}
.wcb-lb-nudge {
    margin-bottom: 10px;
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid var(--wcb-accent);
    background: rgba(102, 252, 241, 0.1);
    color: var(--wcb-text);
    font-size: 0.8rem;
    font-weight: 600;
}
.wcb-lb-sep td {
    padding: 6px 10px !important;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--wcb-text-2);
    text-align: center;
    background: rgba(197, 198, 199, 0.06);
    border-bottom: none !important;
}

/* ---- Bottom-sheet predictor modal ---- */
.wcb-sheet-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1600;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: flex-end;
    justify-content: center;
}
.wcb-sheet-backdrop.hidden { display: none; }
.wcb-sheet {
    width: 100%;
    max-width: 720px;
    max-height: 70vh;
    overflow-y: auto;
    background: rgba(31, 40, 51, 0.97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-top: 2px solid var(--wcb-border);
    border-radius: 18px 18px 0 0;
    padding: 16px 16px calc(20px + env(safe-area-inset-bottom));
    animation: wcb-slide-up 0.28s ease;
}
@keyframes wcb-slide-up { from { transform: translateY(100%); } to { transform: translateY(0); } }
.wcb-sheet h3 { margin: 0 0 4px; font-size: 0.95rem; color: var(--wcb-text); }
.wcb-sheet p { margin: 0 0 14px; font-size: 0.78rem; color: var(--wcb-text-2); }
.wcb-candidate {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 12px;
    margin-bottom: 8px;
    border: 1px solid rgba(69, 162, 158, 0.3);
    border-radius: 10px;
    background: rgba(11, 12, 16, 0.5);
    color: var(--wcb-text);
    font-size: 0.85rem;
    cursor: pointer;
    text-align: start;
}
.wcb-candidate:hover { border-color: var(--wcb-accent); color: var(--wcb-accent); }
.wcb-candidate img { width: 22px; height: 22px; object-fit: contain; }
.wcb-candidate.selected { border-color: var(--wcb-accent); box-shadow: 0 0 12px rgba(102, 252, 241, 0.25); }

.wcb-save-state {
    font-size: 0.72rem;
    color: var(--wcb-text-2);
}
.wcb-save-state.saved { color: var(--wcb-accent); }

/* ---- Join dialog (shown to friends arriving via a shared link) ---- */
.wcb-join-backdrop {
    position: fixed;
    inset: 0;
    z-index: 100000;
    background: rgba(5, 6, 9, 0.78);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}
.wcb-join-backdrop.hidden { display: none; }
.wcb-join-modal {
    position: relative;
    width: 100%;
    max-width: 560px;
    max-height: 88vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, #1F2833 0%, #141A21 100%);
    color: var(--wcb-text);
    border: 1px solid rgba(102, 252, 241, 0.18);
    border-radius: 16px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(212, 175, 55, 0.08);
    overflow: hidden;
    animation: wcbJoinIn 0.22s ease;
}
@keyframes wcbJoinIn {
    from { opacity: 0; transform: translateY(14px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.wcb-join-x {
    position: absolute;
    top: 10px;
    inset-inline-end: 10px;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(197, 198, 199, 0.25);
    color: var(--wcb-text-2);
    font-size: 1rem;
    cursor: pointer;
    z-index: 2;
}
.wcb-join-x:hover { color: var(--wcb-text); border-color: var(--wcb-accent); }
.wcb-join-scroll {
    overflow-y: auto;
    padding: 30px 24px 14px;
    -webkit-overflow-scrolling: touch;
}
.wcb-join-h {
    margin: 0 6px 12px 0;
    font-size: 1.32rem;
    line-height: 1.35;
    font-weight: 800;
    color: var(--wcb-text);
}
.wcb-join-lead {
    margin: 0 0 14px;
    color: var(--wcb-text-2);
    font-size: 0.98rem;
    line-height: 1.6;
}
.wcb-join-kicker {
    margin: 0 0 6px;
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--wcb-accent);
}
.wcb-join-scroll p {
    margin: 0 0 14px;
    font-size: 0.95rem;
    line-height: 1.62;
    color: #E6E8EA;
}
.wcb-join-scroll strong { color: var(--wcb-text); }
.wcb-join-h3 {
    margin: 18px 0 10px;
    font-size: 1.08rem;
    font-weight: 800;
    color: var(--wcb-gold);
}
.wcb-join-list {
    list-style: none;
    margin: 0 0 14px;
    padding: 0;
    display: grid;
    gap: 10px;
}
.wcb-join-list li {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(102, 252, 241, 0.10);
    border-radius: 12px;
    padding: 11px 13px;
    font-size: 0.92rem;
    line-height: 1.55;
    color: #E6E8EA;
}
.wcb-join-free {
    margin: 4px 0 4px !important;
    padding: 13px 14px;
    background: rgba(212, 175, 55, 0.10);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    font-size: 0.93rem !important;
    line-height: 1.6 !important;
}
.wcb-join-actions {
    flex-shrink: 0;
    display: flex;
    gap: 10px;
    padding: 14px 24px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(11, 12, 16, 0.4);
}
.wcb-join-go {
    flex: 1 1 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-decoration: none;
    height: 48px;
    border-radius: 12px;
    font-weight: 800;
    font-size: 1rem;
    color: #06241F;
    background: linear-gradient(135deg, #66FCF1 0%, #45A29E 100%);
    box-shadow: 0 6px 18px rgba(69, 162, 158, 0.4);
    transition: filter 0.15s ease, transform 0.15s ease;
}
.wcb-join-go:hover { filter: brightness(1.06); transform: translateY(-1px); }
.wcb-join-later {
    flex: 0 0 auto;
    min-width: 110px;
    height: 48px;
    border-radius: 12px;
    background: transparent;
    border: 1px solid rgba(197, 198, 199, 0.3);
    color: var(--wcb-text-2);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease;
}
.wcb-join-later:hover { color: var(--wcb-text); border-color: var(--wcb-accent); }
@media (max-width: 480px) {
    .wcb-join-h { font-size: 1.18rem; }
    .wcb-join-scroll { padding: 28px 18px 12px; }
    .wcb-join-actions { padding: 12px 18px 18px; }
    .wcb-join-go { font-size: 0.95rem; }
}