/* 图片处理类工具公共样式 /css/tools/image-kit.css
   预览舞台 / 参数行 / 分段按钮 / 滑杆 / 色板 / 结果网格
   供 image-flip、image-rotate、image-grayscale、image-frame、
   image-add-text、image-crop-circle、meme-gen 等纯 canvas 工具复用 */

/* ===== 预览舞台 ===== */
.ik-stage {
    margin-top: 14px;
    border: 1px solid var(--c-border);
    border-radius: 12px;
    background:
        linear-gradient(45deg, var(--c-bg-soft) 25%, transparent 25%, transparent 75%, var(--c-bg-soft) 75%),
        linear-gradient(45deg, var(--c-bg-soft) 25%, transparent 25%, transparent 75%, var(--c-bg-soft) 75%) 8px 8px,
        var(--c-surface-soft);
    background-size: 16px 16px;
    padding: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 160px;
    overflow: auto;
}

.ik-stage img,
.ik-stage canvas {
    display: block;
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .12);
}

.ik-empty {
    color: var(--c-text-muted);
    font-size: 13px;
    text-align: center;
    padding: 26px 10px;
    line-height: 1.8;
}

/* ===== 参数行 ===== */
.ik-row {
    margin-top: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.ik-row > label {
    flex: 0 0 auto;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--c-text);
    min-width: 68px;
}

.ik-row > .ik-ctl {
    flex: 1 1 160px;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 分段按钮 */
.ik-seg {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
}

.ik-seg-btn {
    border: 1px solid var(--c-border);
    background: var(--c-surface-soft);
    color: var(--c-text);
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 12.5px;
    cursor: pointer;
    transition: all .18s;
}

.ik-seg-btn:hover { border-color: var(--c-primary); }

.ik-seg-btn.active {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: #fff;
    font-weight: 700;
}

/* 滑杆 */
.ik-range { flex: 1 1 auto; min-width: 120px; accent-color: var(--c-primary); }

.ik-val {
    flex: 0 0 auto;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--c-primary);
    font-variant-numeric: tabular-nums;
    min-width: 52px;
    text-align: right;
}

/* 色板 */
.ik-swatches { display: flex; flex-wrap: wrap; gap: 7px; }

.ik-sw {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 2px solid var(--c-border);
    cursor: pointer;
    padding: 0;
    transition: transform .15s;
}

.ik-sw:hover { transform: scale(1.1); }
.ik-sw.active { border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(0, 150, 220, .18); }

/* 颜色输入 */
.ik-color {
    width: 44px;
    height: 32px;
    padding: 2px;
    border: 1px solid var(--c-border);
    border-radius: 8px;
    background: var(--c-surface);
    cursor: pointer;
}

/* ===== 结果网格 ===== */
.ik-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
    margin-top: 12px;
}

.ik-shot {
    border: 1px solid var(--c-border);
    border-radius: 12px;
    background: var(--c-surface-soft);
    padding: 10px;
    text-align: center;
}

.ik-shot img {
    display: block;
    width: 100%;
    border-radius: 8px;
    background: var(--c-bg-soft);
}

.ik-shot-name {
    font-size: 12px;
    font-weight: 700;
    color: var(--c-text);
    margin: 8px 0 6px;
    word-break: break-all;
}

.ik-shot-meta { font-size: 11.5px; color: var(--c-text-muted); margin-bottom: 8px; }

/* 提示 */
.ik-hint {
    font-size: 12px;
    color: var(--c-text-muted);
    line-height: 1.7;
    margin-top: 8px;
}

@media (max-width: 768px) {
    .ik-row > label { min-width: 100%; }
    .ik-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
}