/* 在线 SVG 转 PNG */
.sp-area {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--c-border, #e3e8ef);
    border-radius: 10px;
    background: var(--c-surface, #fff);
    color: var(--c-text, #1f2933);
    font-size: 12.5px;
    line-height: 1.6;
    resize: vertical;
    font-family: ui-monospace, Consolas, "Courier New", monospace;
    word-break: break-all;
}
.sp-area:focus {
    outline: none;
    border-color: #0096dc;
    box-shadow: 0 0 0 3px rgba(0, 150, 220, .14);
}

.sp-file { padding: 8px 10px; font-size: 13px; }

.sp-preview {
    margin: 14px 0;
    padding: 14px;
    border-radius: 12px;
    border: 1px solid var(--c-border, #e3e8ef);
    background-color: var(--c-surface-soft, #f6f8fa);
    /* 棋盘格，用于直观显示透明区域 */
    background-image:
        linear-gradient(45deg, rgba(0, 0, 0, .06) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(0, 0, 0, .06) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(0, 0, 0, .06) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(0, 0, 0, .06) 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 140px;
    overflow: auto;
}
.sp-preview img {
    max-width: 100%;
    height: auto;
    display: block;
}

.sp-note {
    margin-top: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 13px;
    line-height: 1.7;
}
.sp-note.is-ok { background: rgba(22, 163, 74, .1); color: #15803d; }
.sp-note.is-warn { background: rgba(220, 120, 0, .1); color: #b45309; }
.sp-note.is-err { background: rgba(220, 38, 38, .1); color: #b91c1c; }

[data-theme="dark"] .sp-area { background: var(--c-surface, #1b2028); }
[data-theme="dark"] .sp-note.is-ok { color: #4ade80; }
[data-theme="dark"] .sp-note.is-warn { color: #fbbf24; }
[data-theme="dark"] .sp-note.is-err { color: #f87171; }