.fusion-layout {
    grid-template-columns: minmax(0, 1fr);
    max-width: 1500px;
}

.fusion-tool-panel {
    padding: 18px;
    display: grid;
    gap: 14px;
}

.fusion-toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: start;
}

.fusion-disclaimer {
    padding: 12px 14px;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 186, 73, 0.3);
    background: rgba(255, 186, 73, 0.11);
    color: #ffe0a6;
    line-height: 1.55;
    text-align: center;
}

.fusion-info-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    justify-self: start;
    order: -1;
    gap: 8px;
    min-height: 42px;
    padding: 0 16px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.06);
    color: #f5f7ff;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.fusion-info-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.22);
}

.fusion-info-btn:active {
    transform: translateY(1px);
}

.fusion-info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.14);
    font-size: 13px;
    line-height: 1;
}

.fusion-card-grid {
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr) minmax(0, 1fr);
    gap: 12px;
}

.fusion-card-grid::before {
    content: "";
}

.fusion-card-column {
    display: grid;
    gap: 10px;
}

.fusion-side-heading-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.fusion-side-label {
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.fusion-card-picker {
    width: 100%;
    min-height: 58px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    padding: 8px 10px;
    color: inherit;
    display: flex;
    align-items: center;
    gap: 14px;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.fusion-card-picker:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.fusion-card-picker.rarity-green {
    border-color: rgba(99, 184, 92, 0.70);
}

.fusion-card-picker.rarity-blue {
    border-color: rgba(79, 155, 203, 0.65);
}

.fusion-card-picker.rarity-purple {
    border-color: rgba(199, 132, 252, 0.65);
}

.fusion-card-picker.rarity-gold {
    border-color: rgba(247, 183, 74, 0.75);
}

.fusion-card-picker.is-empty {
    justify-content: space-between;
}

.fusion-card-picker-art {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
    background: rgba(0, 0, 0, 0.25);
    flex: 0 0 40px;
}

.fusion-card-slot-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
    flex: 0 0 24px;
    opacity: 0.9;
}

.fusion-card-picker-copy {
    min-width: 0;
    display: grid;
    gap: 4px;
    flex: 1 1 auto;
}

.fusion-card-picker-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fusion-card-picker-subtitle {
    color: var(--text-secondary);
    font-size: 0.82rem;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.fusion-picker-caret {
    width: 10px;
    height: 10px;
    flex: 0 0 10px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    opacity: 0.8;
}

.fusion-card-clear {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(0, 0, 0, 0.22);
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    line-height: 1;
    flex: 0 0 22px;
}

.fusion-card-clear:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.28);
}

.fusion-card-special-badge {
    color: #f6cd54;
    font-size: 0.98rem;
    line-height: 1;
    flex: 0 0 auto;
    text-shadow: 0 0 10px rgba(246, 205, 84, 0.22);
}

.fusion-warning {
    padding: 10px 12px;
    border-radius: var(--radius);
    border: 1px solid rgba(237, 66, 69, 0.28);
    background: rgba(237, 66, 69, 0.12);
    color: #ffb3b5;
}

.fusion-info-body {
    display: grid;
    gap: 12px;
}

.fusion-info-tabs {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    width: fit-content;
}

.fusion-info-tab {
    min-height: 34px;
    padding: 0 14px;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: var(--text-secondary);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.18s ease, color 0.18s ease;
}

.fusion-info-tab.active {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-primary);
}

.fusion-info-panel {
    display: grid;
    gap: 14px;
}

.fusion-info-panel[hidden] {
    display: none !important;
}

.fusion-info-source {
    display: grid;
    gap: 8px;
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.fusion-info-source-title {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
}

.fusion-info-source-list {
    margin: 0;
    padding-left: 18px;
    display: grid;
    gap: 8px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.fusion-info-copy {
    display: grid;
    gap: 12px;
    color: var(--text-secondary);
    line-height: 1.65;
}

.fusion-speculated-sections {
    display: grid;
    gap: 16px;
}

.fusion-info-copy p,
.fusion-info-copy ul {
    margin: 0;
}

.fusion-info-copy ul {
    padding-left: 18px;
    display: grid;
    gap: 8px;
}

.fusion-speculated-feedback {
    color: #ffe0a6;
    font-weight: 700;
}

.fusion-decay-note {
    color: var(--text-secondary);
    line-height: 1.65;
}

.fusion-decay-note-star {
    color: #ffe0a6;
    font-weight: 800;
}

.fusion-info-codeblock {
    margin: 0;
    padding: 12px 14px;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #d9e3ff;
    font: 0.9rem/1.6 Consolas, "Courier New", monospace;
    white-space: pre-wrap;
    word-break: break-word;
}

.fusion-weight-examples {
    display: grid;
    gap: 12px;
}

.fusion-random-sample-group {
    display: grid;
    gap: 12px;
}

.fusion-weight-example {
    display: grid;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.fusion-weight-example-title {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--text-primary);
}

.fusion-sample-lines {
    display: grid;
    gap: 8px;
}

.fusion-sample-line {
    display: grid;
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 10px;
    align-items: start;
}

.fusion-sample-key {
    color: var(--text-secondary);
    font-weight: 700;
}

.fusion-sample-value {
    color: var(--text-primary);
    line-height: 1.55;
    word-break: break-word;
}

.fusion-info-body p,
.fusion-info-list {
    margin: 0;
}

.fusion-info-list {
    padding-left: 18px;
    display: grid;
    gap: 8px;
}

.fusion-slot-rows {
    display: grid;
    gap: 12px;
}

.fusion-simulate-area {
    display: grid;
    justify-items: center;
    gap: 14px;
    padding-top: 4px;
}

.fusion-simulate-btn {
    min-width: 170px;
    min-height: 42px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    padding: 10px 18px;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    transition: var(--transition);
}

.fusion-simulate-btn:hover:not(:disabled) {
    border-color: rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.12);
}

.fusion-simulate-btn:disabled {
    opacity: 0.42;
    cursor: not-allowed;
}

.fusion-result {
    width: 100%;
    display: grid;
    justify-items: center;
}

.fusion-result-card {
    width: min(520px, 100%);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.10);
    padding: 14px;
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 14px;
    align-items: start;
}

.fusion-result-card.rarity-green {
    border-color: rgba(99, 184, 92, 0.70);
}

.fusion-result-card.rarity-blue {
    border-color: rgba(79, 155, 203, 0.65);
}

.fusion-result-card.rarity-purple {
    border-color: rgba(199, 132, 252, 0.65);
}

.fusion-result-card.rarity-gold {
    border-color: rgba(247, 183, 74, 0.75);
}

.fusion-result-icon-wrap {
    width: 64px;
    height: 64px;
    border-radius: 14px;
    background: rgba(0, 0, 0, 0.25);
    display: grid;
    place-items: center;
    overflow: hidden;
}

.fusion-result-icon {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.fusion-result-body {
    min-width: 0;
    display: grid;
    gap: 8px;
}

.fusion-result-title {
    color: var(--text-primary);
    font-size: 0.98rem;
    font-weight: 800;
}

.fusion-result-effect {
    color: var(--text-secondary);
    font-size: 0.84rem;
    line-height: 1.5;
}

.fusion-slot-row {
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr) minmax(0, 1fr);
    gap: 12px;
    align-items: start;
}

.fusion-slot-index {
    border-radius: var(--radius);
    background: rgba(0, 0, 0, 0.18);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-weight: 800;
    align-self: stretch;
}

.fusion-slot-side {
    border-radius: var(--radius);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 10px;
    display: grid;
    gap: 8px;
    align-self: start;
}

.fusion-effect-picker {
    width: 100%;
    min-height: 44px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.18);
    color: inherit;
    padding: 7px 9px;
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.fusion-effect-picker:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.fusion-effect-picker.is-empty {
    color: var(--text-muted);
}

.fusion-effect-picker-art {
    width: 32px;
    height: 32px;
    border-radius: 7px;
    object-fit: cover;
    background: rgba(0, 0, 0, 0.25);
    flex: 0 0 32px;
}

.fusion-effect-picker-copy {
    min-width: 0;
    display: grid;
    gap: 3px;
    flex: 1 1 auto;
}

.fusion-effect-picker-title {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 0.88rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fusion-effect-picker-subtitle {
    color: var(--text-secondary);
    font-size: 0.75rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fusion-slot-controls {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    align-items: center;
    min-height: 30px;
}

.fusion-level-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.fusion-level-btn {
    min-height: 30px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.18);
    color: var(--text-secondary);
    padding: 4px 10px;
    font: inherit;
    font-size: 0.78rem;
    font-weight: 800;
    cursor: pointer;
    transition: var(--transition);
}

.fusion-level-btn--green {
    border-color: rgba(117, 194, 120, 0.58);
    color: rgba(168, 224, 170, 0.95);
}

.fusion-level-btn--blue {
    border-color: rgba(121, 174, 242, 0.58);
    color: rgba(173, 208, 255, 0.96);
}

.fusion-level-btn--purple {
    border-color: rgba(189, 125, 234, 0.58);
    color: rgba(225, 189, 255, 0.96);
}

.fusion-level-btn:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.22);
}

.fusion-level-btn--green.is-selected {
    color: #d8f6d9;
    background: rgba(117, 194, 120, 0.12);
    border-color: rgba(117, 194, 120, 0.58);
}

.fusion-level-btn--blue.is-selected {
    color: #dbeaff;
    background: rgba(121, 174, 242, 0.12);
    border-color: rgba(121, 174, 242, 0.58);
}

.fusion-level-btn--purple.is-selected {
    color: #f0dcff;
    background: rgba(189, 125, 234, 0.12);
    border-color: rgba(189, 125, 234, 0.58);
}

.fusion-effect-row {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr) auto;
    gap: 8px;
    align-items: start;
}

.fusion-move-buttons {
    display: grid;
    gap: 4px;
    align-content: start;
}

.fusion-move-btn {
    width: 28px;
    min-height: 20px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.18);
    color: var(--text-muted);
    font: inherit;
    font-size: 0.78rem;
    font-weight: 800;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.fusion-move-btn:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.22);
}

.fusion-move-btn:disabled {
    opacity: 0.28;
    cursor: not-allowed;
}

.fusion-lock-btn {
    width: 34px;
    min-height: 44px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.18);
    color: var(--text-muted);
    font: inherit;
    font-size: 0.78rem;
    font-weight: 800;
    cursor: pointer;
    transition: var(--transition);
}

.fusion-lock-btn:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.22);
}

.fusion-lock-btn.is-selected {
    color: #0b1020;
    background: var(--success);
    border-color: rgba(87, 242, 135, 0.8);
}

.fusion-lock-btn:disabled {
    opacity: 0.28;
    cursor: not-allowed;
}

.fusion-level-buttons[hidden] {
    display: none;
}

.fusion-slot-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.fusion-meta-pill {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 4px 9px;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.18);
    border: 1px solid var(--border-color);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.fusion-meta-pill--weight {
    color: #ffd98b;
}

.fusion-meta-pill--chance {
    color: var(--text-primary);
}

.fusion-modal[hidden] {
    display: none !important;
}

#fusion-info-modal.open {
    align-items: flex-start;
    padding-top: 56px;
    padding-bottom: 20px;
}

.fusion-modal-card {
    width: min(760px, 96vw);
}

.fusion-modal-body {
    display: grid;
    gap: 12px;
}

.fusion-picker-search {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font: inherit;
}

.fusion-picker-list {
    display: grid;
    gap: 16px;
    max-height: 62vh;
    overflow: auto;
}

.fusion-picker-section {
    display: grid;
    gap: 8px;
}

.fusion-picker-section-title {
    color: var(--text-muted);
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.fusion-picker-option {
    width: 100%;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: inherit;
    border-radius: 12px;
    padding: 10px 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.fusion-picker-option:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.fusion-picker-option.is-selected {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.06);
}

.fusion-picker-option.rarity-green {
    border-color: rgba(99, 184, 92, 0.70);
}

.fusion-picker-option.rarity-blue {
    border-color: rgba(79, 155, 203, 0.65);
}

.fusion-picker-option.rarity-purple {
    border-color: rgba(199, 132, 252, 0.65);
}

.fusion-picker-option.rarity-gold {
    border-color: rgba(247, 183, 74, 0.75);
}

.fusion-picker-option.rarity-green.is-selected {
    background: rgba(117, 194, 120, 0.12);
}

.fusion-picker-option.rarity-blue.is-selected {
    background: rgba(121, 174, 242, 0.12);
}

.fusion-picker-option.rarity-purple.is-selected {
    background: rgba(189, 125, 234, 0.12);
}

.fusion-picker-option.rarity-gold.is-selected {
    background: rgba(242, 185, 74, 0.13);
}

.fusion-picker-option.is-disabled {
    opacity: 0.42;
    cursor: not-allowed;
    filter: grayscale(0.55);
}

.fusion-picker-option.is-disabled:hover {
    border-color: var(--border-color);
}

.fusion-picker-option-art {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    object-fit: cover;
    background: rgba(0, 0, 0, 0.25);
    flex: 0 0 44px;
}

.fusion-picker-option-prefix-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
    flex: 0 0 20px;
    opacity: 0.9;
}

.fusion-picker-option-copy {
    min-width: 0;
    display: grid;
    gap: 3px;
    flex: 1 1 auto;
}

.fusion-picker-option-title {
    color: var(--text-primary);
    font-weight: 700;
}

.fusion-picker-option-subtitle {
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.fusion-picker-option-badge {
    color: #f6cd54;
    font-size: 0.98rem;
    line-height: 1;
    flex: 0 0 auto;
    margin-left: 6px;
    text-shadow: 0 0 10px rgba(246, 205, 84, 0.22);
}

.fusion-picker-empty {
    color: var(--text-muted);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius);
    padding: 18px;
    text-align: center;
}

@media (max-width: 1100px) {
    .fusion-slot-row {
        grid-template-columns: 32px minmax(0, 1fr) minmax(0, 1fr);
    }

    .fusion-slot-side {
        min-width: 0;
    }
}

@media (max-width: 767px) {
    .main-content {
        padding: 12px;
    }

    .fusion-tool-panel {
        padding: 14px;
    }

    .fusion-toolbar {
        grid-template-columns: 1fr;
    }

    .fusion-info-btn {
        width: 100%;
    }

    .fusion-info-tabs {
        width: 100%;
        justify-content: stretch;
    }

    .fusion-info-tab {
        flex: 1 1 0;
    }

    .fusion-card-grid {
        grid-template-columns: 1fr;
    }

    .fusion-card-grid::before {
        display: none;
    }

    .fusion-slot-row {
        grid-template-columns: 1fr;
    }

    .fusion-slot-index {
        min-height: 28px;
    }

    .fusion-card-picker {
        min-height: 56px;
    }
}