/* ============================================================
   预览弹窗样式
   ============================================================ */

/* 预览遮罩 */
.wb-preview-mask {
    position: fixed;
    inset: 0;
    background: rgba(52, 44, 36, .55);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1100;
    padding: 20px;
    animation: wb-fade .2s ease;
}

.wb-preview-modal {
    background: var(--wb-card);
    border-radius: 18px;
    width: 100%;
    max-width: 960px;
    max-height: 92vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 80px rgba(60, 45, 30, .35);
    animation: wb-pop .22s cubic-bezier(.22, 1, .36, 1);
    overflow: hidden;
}

.wb-preview-header {
    padding: 16px 22px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--wb-border);
    flex-shrink: 0;
}

.wb-preview-title {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--wb-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 65%;
}

.wb-preview-meta {
    font-size: 12px;
    color: var(--wb-muted);
    display: flex;
    gap: 10px;
    align-items: center;
}

.wb-preview-close {
    background: var(--wb-tile);
    border: 0;
    width: 30px;
    height: 30px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 17px;
    line-height: 1;
    color: var(--wb-text-2);
    transition: background .15s ease, color .15s ease;
    flex-shrink: 0;
    margin-left: 12px;
}
.wb-preview-close:hover { background: #e7dfd1; color: var(--wb-text); }

.wb-preview-body {
    flex: 1;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: #faf8f4;
    position: relative;
}

.wb-preview-img {
    max-width: 100%;
    max-height: 75vh;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(80, 60, 40, .12);
    display: block;
}

.wb-preview-iframe {
    width: 100%;
    height: 75vh;
    border: none;
    border-radius: 8px;
    background: #fff;
}

.wb-preview-loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--wb-muted);
}

.wb-preview-footer {
    padding: 12px 22px;
    border-top: 1px solid var(--wb-border);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    flex-shrink: 0;
}

/* 导航箭头 */
.wb-preview-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,.92);
    border: 1px solid var(--wb-border-strong);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--wb-text-2);
    transition: all .15s ease;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(60,45,30,.12);
}
.wb-preview-nav:hover { background: #fff; color: var(--wb-accent); border-color: var(--wb-accent-soft); }
.wb-preview-nav:disabled { opacity: .35; cursor: default; }
.wb-preview-nav svg { width: 16px; height: 16px; }
.wb-preview-nav-left  { left: 8px; }
.wb-preview-nav-right { right: 8px; }

.wb-preview-page-info {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255,255,255,.9);
    border: 1px solid var(--wb-border-strong);
    border-radius: 999px;
    padding: 3px 12px;
    font-size: 12px;
    color: var(--wb-text-2);
    z-index: 10;
    white-space: nowrap;
}

/* 转换中状态 */
.wb-convert-status {
    text-align: center;
    padding: 40px 20px;
    color: var(--wb-text-2);
}
.wb-convert-status .wb-spinner { display: inline-block; width: 18px; height: 18px; border-width: 2.5px; vertical-align: -3px; margin-right: 8px; }
.wb-convert-status p { margin-top: 10px; font-size: 13px; color: var(--wb-muted); }