/* ══════════════════════════════
   前台导出书签弹窗
   ══════════════════════════════ */

.navtool-export-overlay {
    position: fixed;
    inset: 0;
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s, visibility .3s;
}
.navtool-export-overlay.is-active {
    opacity: 1;
    visibility: visible;
}
.navtool-export-box {
    position: relative;
    width: 400px;
    max-width: 90vw;
    background: var(--navtool-bg, #fff);
    border-radius: 16px;
    padding: 40px 32px 32px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,.15);
    transform: scale(.9) translateY(20px);
    transition: transform .3s cubic-bezier(.4,0,.2,1);
}
.navtool-export-overlay.is-active .navtool-export-box {
    transform: scale(1) translateY(0);
}

.navtool-export-close {
    position: absolute;
    top: 12px;
    right: 16px;
    border: none;
    background: none;
    font-size: 22px;
    color: var(--navtool-text-muted, #999);
    cursor: pointer;
    line-height: 1;
    transition: color .2s;
}
.navtool-export-close:hover {
    color: var(--navtool-text, #333);
}

.navtool-export-icon {
    font-size: 48px;
    line-height: 1;
    margin-bottom: 12px;
}

.navtool-export-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--navtool-text, #1d2129);
    margin: 0 0 8px;
}

.navtool-export-desc {
    font-size: 14px;
    color: var(--navtool-text-muted, #86909c);
    margin: 0 0 24px;
    line-height: 1.5;
}

.navtool-export-form {
    text-align: left;
}
.navtool-export-field {
    margin-bottom: 16px;
}
.navtool-export-field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--navtool-text, #1d2129);
    margin-bottom: 6px;
}

.navtool-export-select {
    width: 100%;
    height: 38px;
    padding: 0 12px;
    border: 1px solid var(--navtool-border, #e5e6eb);
    border-radius: 8px;
    background: var(--navtool-bg, #fff);
    color: var(--navtool-text, #1d2129);
    font-size: 14px;
    outline: none;
    transition: border-color .2s;
}
.navtool-export-select:focus {
    border-color: var(--navtool-primary, #165dff);
}

.navtool-export-btn {
    width: 100%;
    height: 40px;
    border: none;
    border-radius: 8px;
    background: var(--navtool-primary, #165dff);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity .2s;
    margin-top: 8px;
}
.navtool-export-btn:hover {
    opacity: .85;
}

/* 暗色模式 */
.io-black-mode .navtool-export-box {
    background: var(--navtool-bg, #1d1d1d);
}
.io-black-mode .navtool-export-select {
    background: rgba(255,255,255,.06);
    border-color: rgba(255,255,255,.12);
}