/*
 * valid.com tools header/navigation V0.1.5
 * 三个工具页面共用完全一致的标题区和导航区几何尺寸。
 * 不再对 2FA 首页做任何单独的导航高度/负边距补偿。
 */

.tools-page-header {
    box-sizing: border-box !important;
    width: 100% !important;
    height: 76px !important;
    min-height: 76px !important;
    max-height: 76px !important;
    margin: 0 !important;
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    overflow: hidden !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif !important;
}

.tools-page-header .page-title {
    box-sizing: border-box !important;
    display: block !important;
    width: auto !important;
    height: 34px !important;
    min-height: 34px !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif !important;
    font-size: 28px !important;
    line-height: 34px !important;
    font-weight: 600 !important;
    letter-spacing: -0.5px !important;
    color: #1f2937 !important;
    white-space: nowrap !important;
}

.tools-nav-wrap {
    box-sizing: border-box !important;
    width: 900px !important;
    max-width: calc(100% - 24px) !important;
    height: 42px !important;
    margin: 0 auto 8px !important;
    padding: 0 !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif !important;
}

.tools-nav {
    box-sizing: border-box !important;
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    align-items: stretch !important;
    width: 100% !important;
    height: 42px !important;
    min-height: 42px !important;
    margin: 0 !important;
    padding: 0 !important;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif !important;
}

.tools-nav a {
    box-sizing: border-box !important;
    position: relative;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100% !important;
    height: 40px !important;
    min-height: 40px !important;
    margin: 0 !important;
    padding: 0 10px !important;
    border: 0 !important;
    color: #475569;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif !important;
    font-size: 15px !important;
    line-height: 40px !important;
    font-weight: 400;
    text-align: center;
    text-decoration: none !important;
    white-space: nowrap;
    transition: background-color .18s ease, color .18s ease;
}

.tools-nav a + a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    bottom: 9px;
    width: 1px;
    background: #eef2f7;
}

.tools-nav a:hover {
    color: #2563eb;
    background: #f8fbff;
}

.tools-nav a.active {
    color: #2563eb;
    background: #eff6ff;
    font-weight: 600;
}

/* 保留类名兼容旧 HTML，但不再给 2FA 首页任何特殊尺寸或负边距。 */
.tools-nav-wrap.tools-nav-2fa {
    width: 900px !important;
    max-width: calc(100% - 24px) !important;
    height: 42px !important;
    margin: 0 auto 8px !important;
}

@media (max-width: 600px) {
    .tools-page-header {
        height: 68px !important;
        min-height: 68px !important;
        max-height: 68px !important;
    }

    .tools-page-header .page-title {
        height: 30px !important;
        min-height: 30px !important;
        font-size: 24px !important;
        line-height: 30px !important;
        letter-spacing: -0.3px !important;
    }

    .tools-nav-wrap,
    .tools-nav-wrap.tools-nav-2fa {
        width: auto !important;
        max-width: calc(100% - 20px) !important;
        height: 46px !important;
        margin: 0 auto 8px !important;
    }

    .tools-nav {
        height: 46px !important;
        min-height: 46px !important;
    }

    .tools-nav a {
        height: 44px !important;
        min-height: 44px !important;
        padding: 0 5px !important;
        font-size: 13px !important;
        line-height: 44px !important;
    }
}