/* Simbolatore: editor di simboli GIF 20x20 (simbolatore.php) */

.simb {
    --simb-check-a: #ffffff;
    --simb-check-b: #d9d9d9;
}

.simb__menubar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: #fff;
    border: 1px solid var(--parchment-dark);
    border-radius: 0.5rem;
    padding: 0.5rem 0.85rem;
    margin-bottom: 1rem;
}

.simb__filename {
    font-family: monospace;
    color: var(--ink-soft);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.simb__layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 1.25rem;
    align-items: start;
    margin-bottom: 1.25rem;
}

@media (max-width: 860px) {
    .simb__layout {
        grid-template-columns: minmax(0, 1fr);
    }
}

.simb__editor,
.simb__panel {
    background: #fff;
    border: 1px solid var(--parchment-dark);
    border-radius: 0.5rem;
    padding: 0.85rem;
}

.simb__side {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.simb__h {
    font-family: 'Cinzel', serif;
    font-size: 0.95rem;
    color: var(--accent-dark);
    margin-bottom: 0.6rem;
}

.simb__toolbar,
.simb__transform,
.simb__canvas-info {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
}

.simb__transform {
    margin-top: 0.75rem;
}

.simb__canvas-info {
    justify-content: space-between;
    margin-top: 0.4rem;
}

.simb__opts {
    display: flex;
    gap: 0.9rem;
}

.simb__check {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.85rem;
    color: var(--ink-soft);
    margin: 0;
    cursor: pointer;
}

.simb__sep {
    width: 1px;
    align-self: stretch;
    min-height: 1.4rem;
    background: var(--parchment-dark);
    margin: 0 0.2rem;
}

.simb__canvas-wrap {
    margin-top: 0.75rem;
    display: flex;
    justify-content: center;
}

#simb-canvas {
    display: block;
    max-width: 100%;
    cursor: crosshair;
    touch-action: none;
    border: 1px solid var(--ink-soft);
    image-rendering: pixelated;
}

.simb__color-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.simb__color-row input[type="color"] {
    width: 2.4rem;
    height: 2.1rem;
    padding: 0;
    border: 1px solid var(--parchment-dark);
    background: none;
    flex: none;
}

.simb__color-row #simb-hex {
    width: 5.5rem;
    font-family: monospace;
}

.simb__transparent.active {
    background: var(--accent);
    color: #fff;
}

.simb__swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    margin-top: 0.6rem;
}

#simb-recent {
    margin-top: 0;
    min-height: 22px;
}

.simb__swatch {
    width: 22px;
    height: 22px;
    padding: 0;
    border: 1px solid rgba(0, 0, 0, 0.35);
    border-radius: 3px;
    cursor: pointer;
}

.simb__swatch:hover,
.simb__swatch:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.simb__preview {
    display: flex;
    align-items: flex-end;
    gap: 1.25rem;
    padding: 0.9rem;
    border: 1px solid var(--parchment-dark);
    border-radius: 0.35rem;
    background: #f8e9aa;
}

.simb__preview-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    color: rgba(0, 0, 0, 0.55);
}

.simb__preview-item img {
    image-rendering: pixelated;
    display: block;
}

.simb__img-preview {
    width: 120px;
    height: 120px;
    image-rendering: pixelated;
    border: 1px solid var(--ink-soft);
    background: repeating-conic-gradient(var(--simb-check-a, #fff) 0% 25%, var(--simb-check-b, #d9d9d9) 0% 50%) 0 0 / 12px 12px;
}

.simb__stamps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.simb__stamp {
    padding: 3px;
    border: 2px solid var(--parchment-dark);
    border-radius: 0.35rem;
    background: repeating-conic-gradient(var(--simb-check-a) 0% 25%, var(--simb-check-b) 0% 50%) 0 0 / 10px 10px;
    cursor: pointer;
    line-height: 0;
}

.simb__stamp canvas {
    width: 100%;
    height: 44px;
    image-rendering: pixelated;
    object-fit: contain;
}

.simb__stamp.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(31, 111, 139, 0.3);
}

.simb__stamp-actions {
    display: flex;
    gap: 0.4rem;
    margin-top: 0.6rem;
}

.simb__fx {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 0.4rem 0.6rem;
}

.simb__frames-panel {
    margin-top: 0;
}

.simb__frames-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.7rem;
}

.simb__frames-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
}

.simb__delay {
    width: 5rem;
}

.simb__frames {
    display: flex;
    gap: 0.6rem;
    overflow-x: auto;
    padding: 0.2rem 0.1rem 0.6rem;
}

.simb__frame {
    flex: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.35rem;
    border: 2px solid transparent;
    border-radius: 0.4rem;
    cursor: pointer;
}

.simb__frame.is-current {
    border-color: var(--accent);
    background: var(--parchment);
}

.simb__frame canvas {
    width: 60px;
    height: 60px;
    image-rendering: pixelated;
    border: 1px solid var(--ink-soft);
    background: repeating-conic-gradient(var(--simb-check-a) 0% 25%, var(--simb-check-b) 0% 50%) 0 0 / 12px 12px;
}

.simb__frame-label {
    font-size: 0.75rem;
    color: var(--ink-soft);
}

.simb__frame input {
    width: 4.2rem;
    font-size: 0.75rem;
    padding: 0.1rem 0.3rem;
}

.simb.is-dragover .simb__editor {
    outline: 3px dashed var(--accent);
    outline-offset: 3px;
}

/* Pannelli a tendina: il titolo e' il pulsante, il resto si nasconde */
.simb__panel > .simb__h,
.simb__frames-head .simb__h {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
}

.simb__panel > .simb__h::after,
.simb__frames-head .simb__h::after {
    content: '\25BE';
    font-size: 0.9rem;
    color: var(--ink-soft);
    transition: transform 0.15s;
}

.simb__panel.is-collapsed > .simb__h::after,
.simb__panel.is-collapsed .simb__frames-head .simb__h::after {
    transform: rotate(-90deg);
}

.simb__panel > .simb__h:focus-visible,
.simb__frames-head .simb__h:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.simb__panel.is-collapsed > :not(.simb__h):not(.simb__frames-head) {
    display: none !important; /* batte le utility Bootstrap come .d-grid */
}

.simb__panel.is-collapsed > .simb__h,
.simb__panel.is-collapsed > .simb__frames-head {
    margin-bottom: 0;
}

.simb__panel.is-collapsed .simb__frames-actions {
    display: none;
}