/* ════════════════════════════════════════════════════════════
   Bracket Canvas — pan/zoom diagram of SE or DE brackets
   Built on Z.Blazor.Diagrams; themed to HexaDome tokens.
   ════════════════════════════════════════════════════════════ */

.bracket-canvas-shell {
    position: relative;
    width: 100%;
    height: 90vh;
    background: var(--clr-bg-section);
    border-top: 1px solid rgba(var(--clr-border-rgb), 0.15);
    border-bottom: 1px solid rgba(var(--clr-border-rgb), 0.15);
    overflow: hidden;
    touch-action: none;
}

.bracket-canvas-toolbar {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 20;
    display: flex;
    gap: 4px;
    background: rgba(var(--clr-bg-panel-rgb), 0.9);
    border: 1px solid rgba(var(--clr-border-rgb), 0.4);
    padding: 4px;
    backdrop-filter: blur(6px);
}

.bc-btn {
    font-family: var(--font-saira, 'Saira', sans-serif);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--clr-text-primary);
    background: transparent;
    border: none;
    padding: 6px 12px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.bc-btn:hover { background: rgba(var(--clr-orange-rgb), 0.15); color: var(--clr-orange); }

.bracket-canvas-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--clr-text-secondary);
    font-style: italic;
    padding: 40px;
    text-align: center;
}

/* ── Diagram canvas surface (Z.Blazor.Diagrams) ──────────── */

.bracket-canvas-shell .diagram-canvas {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background:
        radial-gradient(circle at 10% 10%, rgba(var(--clr-orange-rgb), 0.05) 0%, transparent 40%),
        var(--clr-bg-section);
    cursor: grab;
}
.bracket-canvas-shell .diagram-canvas:active { cursor: grabbing; }

/* Links */
.bracket-canvas-shell .diagram-link path {
    stroke-width: 2px;
    transition: stroke-width 0.15s;
}
.bracket-canvas-shell .diagram-link:hover path { stroke-width: 3px; }
.bracket-canvas-shell .diagram-link path[stroke="rgba(171, 187, 201, 0.9)"] {
    stroke-dasharray: 6 7;
    filter: drop-shadow(0 0 6px rgba(171, 187, 201, 0.35));
}

/* ── Match nodes ─────────────────────────────────────────── */

.bc-node {
    width: 220px;
    height: 50px;
    background: var(--clr-bg-panel);
    border: 1px solid rgba(var(--clr-border-rgb), 0.4);
    color: var(--clr-text-bright);
    font-family: inherit;
    position: relative;
    cursor: pointer;
    transition: border-color 0.15s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    user-select: none;
}

.bc-node:hover {
    border-color: rgba(var(--clr-orange-rgb), 0.5);
    box-shadow: 0 3px 14px rgba(0, 0, 0, 0.3);
}

.bc-node-slot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 8px;
    gap: 6px;
    flex: 1;
    min-height: 0;
}
.bc-node-slot + .bc-node-slot {
    border-top: 1px solid rgba(var(--clr-border-rgb), 0.12);
}

.bc-node-name {
    font-size: 12px;
    font-weight: 600;
    flex: 1;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.bc-node-feeder {
    font-style: italic;
    color: var(--clr-text-secondary);
    opacity: 0.6;
    font-size: 11px;
}
.bc-node-slot:hover .bc-node-feeder {
    color: var(--clr-orange);
    opacity: 0.9;
}

.bc-node-score {
    font-family: var(--font-saira, 'Saira', sans-serif);
    font-size: 13px;
    font-weight: 700;
    color: var(--clr-orange);
    min-width: 18px;
    text-align: right;
}

.bc-node-slot.slot-winner {
    background: rgba(var(--clr-positive-rgb), 0.15);
}
.bc-node-slot.slot-winner .bc-node-name {
    color: var(--clr-positive);
}
.bc-node-slot.slot-loser .bc-node-name {
    color: var(--clr-text-secondary);
    text-decoration: line-through;
    text-decoration-thickness: 1px;
    opacity: 0.7;
}


/* Group tints — left border */
.bc-node-wb  { border-left: 3px solid rgba(var(--clr-orange-rgb), 0.6); }
.bc-node-lb  { border-left: 3px solid rgba(var(--clr-rust-rgb), 0.6); }
.bc-node-gf,
.bc-node-gfr { border-left: 3px solid var(--clr-golden, #e6b53c); background: linear-gradient(90deg, rgba(var(--clr-golden-rgb, 230,181,60), 0.04), transparent); }

/* Status overrides on left border */
.bc-node-live { border-color: rgba(var(--clr-caution-rgb), 0.55); animation: bc-live-pulse 2.4s ease-in-out infinite; }
.bc-node-done { border-left-color: var(--clr-positive); opacity: 0.85; }
.bc-node-mine { border-color: var(--clr-orange); box-shadow: 0 0 0 1px rgba(var(--clr-orange-rgb), 0.4); }

@keyframes bc-live-pulse {
    0%, 100% { border-color: rgba(var(--clr-caution-rgb), 0.35); }
    50%      { border-color: rgba(var(--clr-caution-rgb), 0.85); }
}

/* Mobile */
@media (max-width: 640px) {
    .bracket-canvas-shell { height: clamp(400px, 60vh, 580px); }
    .bc-node { width: 180px; height: 46px; }
    .bc-node-name { font-size: 11px; }
}