/* Combo Graph — visual flow of a recorded combo (issue #34). */

.combo-graph-section {
    margin-bottom: 3rem;
}

.combo-graph-toolbar {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.combo-graph-toolbar h5 {
    margin: 0 0.75rem 0 0;
}

.combo-graph-toolbar button {
    border: 0;
    border-radius: 0.4rem;
    padding: 0.45rem 0.9rem;
    font-weight: 600;
    cursor: pointer;
    color: #fff;
    background: var(--bs-primary, #fe696a);
}

.combo-graph-toolbar button.cg-btn-secondary {
    background: var(--bs-gray, #7d879c);
}

.combo-graph-toolbar button.cg-btn-export {
    background: var(--bs-accent, #4e54c8);
}

.combo-graph-toolbar button:hover {
    filter: brightness(0.95);
}

/* Graph container ------------------------------------------------------- */

.combo-graph {
    display: flex;
    gap: 0.25rem;
    align-items: stretch;
    padding: 1rem;
    border: 1px solid #e3e6ee;
    border-radius: 0.6rem;
    background: var(--bs-secondary, #f3f5f9);
    overflow: auto;
}

.combo-graph.horizontal {
    flex-direction: row;
    flex-wrap: nowrap;
}

.combo-graph.vertical {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: center;
}

.cg-empty {
    color: var(--bs-gray, #7d879c);
    font-style: italic;
    padding: 1.5rem;
    text-align: center;
    width: 100%;
}

/* A single step --------------------------------------------------------- */

.cg-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    flex: 0 0 auto;
    padding: 0.6rem;
    border-radius: 0.5rem;
    background: #fff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
    position: relative;
    min-width: 110px;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.combo-graph.vertical .cg-step {
    flex-direction: row;
    justify-content: center;
    min-width: 240px;
}

.cg-step-num {
    position: absolute;
    top: -8px;
    left: -8px;
    width: 22px;
    height: 22px;
    line-height: 22px;
    text-align: center;
    border-radius: 50%;
    font-size: 0.72rem;
    font-weight: 700;
    color: #fff;
    background: var(--bs-dark, #373f50);
    z-index: 1;
}

/* Card node */
.cg-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    width: 84px;
}

.cg-card-img {
    width: 84px;
    height: 122px;
    object-fit: cover;
    border-radius: 0.25rem;
    background: #d9dce5;
}

.cg-card-name {
    font-size: 0.7rem;
    line-height: 1.1;
    text-align: center;
    max-width: 90px;
    color: var(--bs-dark, #373f50);
    word-break: break-word;
}

/* Action edge (arrow + verb + from→to) */
.cg-edge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.1rem;
}

.cg-arrow {
    font-size: 1.4rem;
    line-height: 1;
    color: var(--bs-primary, #fe696a);
}

.combo-graph.vertical .cg-arrow {
    transform: rotate(90deg);
}

.cg-action {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--bs-dark, #373f50);
    text-align: center;
}

.cg-from {
    font-size: 0.66rem;
    color: var(--bs-gray, #7d879c);
    text-align: center;
}

/* Zone chip */
.cg-zone {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 1rem;
    color: #fff;
    white-space: nowrap;
    background: var(--bs-gray, #7d879c);
}

.cg-zone-hand { background: var(--bs-info, #69b3fe); }
.cg-zone-deck { background: var(--bs-gray-dark, #373f50); }
.cg-zone-exdeck { background: var(--bs-purple, #6f42c1); }
.cg-zone-summon { background: var(--bs-danger, #f34770); }
.cg-zone-st { background: var(--bs-green, #198754); }
.cg-zone-fz { background: var(--bs-teal, #20c997); }
.cg-zone-graveyard { background: var(--bs-gray, #7d879c); }
.cg-zone-banish { background: var(--bs-orange, #fd7e14); }

/* Badges for non-move actions */
.cg-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 0.3rem;
    color: var(--bs-dark, #373f50);
    background: #eef0f6;
    text-align: center;
}

.cg-badge-overlay {
    color: #fff;
    background: var(--bs-accent, #4e54c8);
}

/* Phase divider */
.cg-phase {
    background: transparent;
    box-shadow: none;
    justify-content: center;
}

.cg-phase-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 0.3rem 0.6rem;
    border-radius: 0.3rem;
    color: #fff;
    background: var(--bs-warning, #fea569);
}

/* Connector between steps */
.cg-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    min-width: 18px;
    color: var(--bs-gray, #7d879c);
    font-size: 1.4rem;
    font-weight: 700;
}

.cg-connector.cg-combine {
    color: var(--bs-accent, #4e54c8);
    font-size: 1.8rem;
}

/* Active step during replay */
.cg-step.cg-active {
    box-shadow: 0 0 0 3px var(--bs-primary, #fe696a), 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.combo-graph.vertical .cg-step.cg-active {
    transform: translateX(2px);
}