/* Optional Sprite Sheet Splitter inside the Mascot Generator */

.splitter-card { position: relative; }
.optional-pill {
    display: inline-flex;
    align-items: center;
    margin-left: 8px;
    padding: 3px 8px;
    border: 1px solid #424242;
    border-radius: 999px;
    color: var(--text-secondary);
    font-size: .62rem;
    font-weight: 800;
    letter-spacing: .08em;
    vertical-align: middle;
}
.splitter-actions,
.splitter-selection-bar,
.splitter-export-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.splitter-actions { margin: 4px 0 18px; }
.splitter-status {
    margin-top: 16px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: rgba(0,0,0,.35);
    color: var(--text-secondary);
    font-size: .9rem;
    line-height: 1.45;
}
.splitter-status.info { border-color: #5c9dff; color: #9ec1ff; }
.splitter-status.ok { border-color: var(--accent); color: var(--accent); }
.splitter-status.warning { border-color: #d8b74b; color: #f0d77a; }
.splitter-status.error { border-color: #ff5c5c; color: #ff9a9a; }

.splitter-advanced {
    margin-top: 16px;
    border: 1px solid #343434;
    border-radius: 10px;
    background: rgba(0,0,0,.2);
}
.splitter-advanced summary {
    padding: 12px 14px;
    cursor: pointer;
    color: #ddd;
    font-weight: 700;
    user-select: none;
}
.splitter-advanced[open] summary { border-bottom: 1px solid #333; }
.splitter-advanced .field-grid { padding: 14px; }

#sheet-workspace { margin-top: 18px; }
.splitter-preview-panel {
    border: 1px solid #343434;
    border-radius: 12px;
    overflow: hidden;
    background: #090909;
}
.splitter-preview-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 10px 13px;
    border-bottom: 1px solid #333;
    color: #ddd;
    font-size: .82rem;
    font-weight: 700;
}
.splitter-preview-scroll {
    max-height: 540px;
    overflow: auto;
    padding: 12px;
    text-align: center;
    background:
        linear-gradient(45deg, #151515 25%, transparent 25%),
        linear-gradient(-45deg, #151515 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #151515 75%),
        linear-gradient(-45deg, transparent 75%, #151515 75%),
        #101010;
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0;
}
#sheet-preview {
    display: inline-block;
    max-width: 100%;
    height: auto;
    image-rendering: pixelated;
    background: transparent;
}

.splitter-selection-bar {
    justify-content: space-between;
    margin: 14px 0 10px;
}
.splitter-selection-actions { display: flex; gap: 8px; flex-wrap: wrap; }
#sheet-selection-count { color: var(--text-secondary); font-size: .85rem; font-weight: 700; }
.splitter-sprite-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(128px, 1fr));
    gap: 10px;
    max-height: 480px;
    overflow: auto;
    padding: 2px;
}
.splitter-sprite {
    position: relative;
    display: grid;
    grid-template-rows: auto auto auto;
    min-width: 0;
    padding: 9px;
    border: 1px solid #343434;
    border-radius: 10px;
    background: rgba(255,255,255,.025);
    color: #ddd;
    text-align: left;
    cursor: pointer;
}
.splitter-sprite:hover { border-color: #777; }
.splitter-sprite.selected {
    border-color: var(--accent);
    box-shadow: inset 0 0 0 1px rgba(59,255,0,.16);
    background: rgba(59,255,0,.045);
}
.splitter-check {
    position: absolute;
    top: 6px;
    right: 6px;
    z-index: 2;
    display: grid;
    place-items: center;
    width: 21px;
    height: 21px;
    border: 1px solid #565656;
    border-radius: 6px;
    background: rgba(0,0,0,.82);
    color: #101010;
    font-size: .75rem;
    font-weight: 900;
}
.splitter-sprite.selected .splitter-check { background: var(--accent); border-color: var(--accent); }
.splitter-thumb {
    display: grid;
    place-items: center;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 7px;
    background: repeating-conic-gradient(#1b1b1b 0 25%, #252525 0 50%) 50% / 14px 14px;
}
.splitter-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    image-rendering: pixelated;
}
.splitter-sprite-name {
    margin-top: 7px;
    overflow-wrap: anywhere;
    font-size: .72rem;
    font-weight: 700;
}
.splitter-sprite-meta {
    margin-top: 4px;
    color: var(--text-secondary);
    font-size: .64rem;
    line-height: 1.35;
}
.splitter-empty {
    grid-column: 1 / -1;
    padding: 20px;
    border: 1px dashed #3d3d3d;
    border-radius: 10px;
    color: var(--text-secondary);
    text-align: center;
}

.splitter-target-row {
    display: grid;
    grid-template-columns: minmax(130px, .55fr) minmax(180px, 1fr);
    gap: 12px;
    margin-top: 16px;
}
.splitter-export-row { margin-top: 14px; }
.splitter-note {
    margin-top: 12px;
    color: var(--text-secondary);
    font-size: .8rem;
    line-height: 1.45;
}
.splitter-note strong { color: #ddd; }

@media (max-width: 700px) {
    .splitter-target-row { grid-template-columns: 1fr; }
    .splitter-selection-bar { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 520px) {
    .splitter-actions,
    .splitter-export-row { display: grid; grid-template-columns: 1fr; }
    .splitter-actions .button,
    .splitter-export-row .button,
    .splitter-actions .file-button { width: 100%; justify-content: center; }
    .splitter-sprite-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}