/* 密之 PasswordZ 在线版自定义样式
   叠加在 Bootstrap 5（data-bs-theme="dark"）之上：品牌蓝点缀、玻璃卡片、
   生成器聚焦、结果密码视觉分组（纯 CSS，不插入分隔字符，保证复制/誊抄为纯 16 位）。 */

:root {
    --pz-primary: #4f8cff;
    --pz-primary-rgb: 79, 140, 255;
    --pz-primary-dim: #3a78f5;
    --pz-bg-1: #0b1020;
    --pz-bg-2: #0e1426;
    --pz-card-bg: rgba(255, 255, 255, 0.045);
    --pz-card-border: rgba(255, 255, 255, 0.10);
    --pz-muted: #9aa4b2;
    --pz-text: #dfe5ee;
    --pz-radius: 16px;
    --pz-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
    --pz-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
    --pz-ok: #06d6a0;
    --pz-warn: #ffd166;
    --pz-bad: #ff6b6b;
}

/* 品牌色覆写 Bootstrap 主色与链接色 */
[data-bs-theme="dark"] {
    --bs-primary: var(--pz-primary);
    --bs-primary-rgb: var(--pz-primary-rgb);
    --bs-link-color: #6ea2ff;
    --bs-link-hover-color: #9bbdff;
}

.btn-primary {
    --bs-btn-bg: var(--pz-primary);
    --bs-btn-border-color: var(--pz-primary);
    --bs-btn-hover-bg: var(--pz-primary-dim);
    --bs-btn-hover-border-color: var(--pz-primary-dim);
    --bs-btn-active-bg: #2f6ae0;
    --bs-btn-active-border-color: #2f6ae0;
    --bs-btn-disabled-bg: var(--pz-primary);
    --bs-btn-disabled-border-color: var(--pz-primary);
    --bs-btn-focus-shadow-rgb: var(--pz-primary-rgb);
    box-shadow: 0 6px 18px rgba(var(--pz-primary-rgb), 0.35);
}

/* 暗色渐变背景 */
body {
    background:
        radial-gradient(1200px 620px at 50% -12%, rgba(var(--pz-primary-rgb), 0.20), transparent 60%),
        linear-gradient(180deg, var(--pz-bg-2), var(--pz-bg-1));
    background-attachment: fixed;
    color: var(--pz-text);
    min-height: 100vh;
}

/* 玻璃卡片 */
.pz-card {
    background: var(--pz-card-bg);
    border: 1px solid var(--pz-card-border);
    border-radius: var(--pz-radius);
    box-shadow: var(--pz-shadow);
    -webkit-backdrop-filter: blur(12px) saturate(120%);
    backdrop-filter: blur(12px) saturate(120%);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

/* Hero（logo + 品牌 + slogan）—— 压实，求一屏 */
.pz-hero { text-align: center; padding: 1.5rem 0 1rem; }
.pz-hero-top { display: flex; align-items: center; justify-content: center; gap: .8rem; }
.pz-hero-top img { height: 64px; filter: drop-shadow(0 8px 22px rgba(var(--pz-primary-rgb), 0.35)); }
.pz-brand { line-height: 1; white-space: nowrap; }
.pz-brand-cn { font-size: 1.6rem; font-weight: 700; color: #fff; letter-spacing: .05em; }
.pz-brand-sep { color: var(--pz-muted); margin: 0 .35em; font-weight: 300; }
.pz-brand-en { font-size: 1.05rem; color: var(--pz-muted); letter-spacing: .03em; }
/* slogan 为单句、text-align 居中：不限宽，文本超长时自然在 container 内一行排布，避免人为换行 */
.pz-slogan { color: var(--pz-muted); margin: .6rem auto 0; font-size: .92rem; line-height: 1.6; }
.pz-slogan strong { color: #cfe0ff; font-weight: 600; }
.pz-hero-links { margin: .4rem 0 0; font-size: .92rem; }
.pz-hero-links a { color: var(--pz-primary); font-weight: 500; text-decoration: none; }
.pz-hero-links a:hover { color: #9bbdff; text-decoration: underline; }
.pz-hero-links .dot { color: var(--pz-muted); margin: 0 .5em; }

/* 表单输入聚焦 */
.pz-card .form-control,
.pz-card .form-select {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.12);
    color: #eaf0fb;
}
.pz-card .form-control::placeholder { color: #5f6b7d; }
.pz-card .form-control:focus {
    background: rgba(var(--pz-primary-rgb), 0.08);
    border-color: var(--pz-primary);
    box-shadow: 0 0 0 .2rem rgba(var(--pz-primary-rgb), 0.25);
    color: #fff;
}
.pz-card .form-label { color: #c4cdd9; font-weight: 500; }

/* 字符集开关组 */
.pz-charset {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem 1.1rem;
    align-items: center;
    padding: .25rem 0;
}
.pz-charset .form-check { margin-bottom: 0; margin-left: 0; }
.pz-charset .form-check-input { cursor: pointer; }
.pz-charset .form-check-input:focus {
    border-color: var(--pz-primary);
    box-shadow: 0 0 0 .2rem rgba(var(--pz-primary-rgb), 0.25);
}
.pz-charset .form-check-input:checked {
    background-color: var(--pz-primary);
    border-color: var(--pz-primary);
}
/* 数字恒开：锁定样式 + 提示 */
.pz-locked .form-check-input { cursor: not-allowed; opacity: .85; }
.pz-locked .form-check-label { color: var(--pz-muted); }
.pz-lock-tip { color: var(--pz-primary); margin-left: .15em; }

/* 结果 label 行：label 左 + 强度右（强度移出结果框，避免窄屏换行） */
.pz-label-row {
    display: flex; align-items: center; justify-content: space-between;
    gap: .75rem; margin-bottom: .5rem; flex-wrap: wrap;
}
.pz-label-row .form-label { margin-bottom: 0; }

/* 结果区：视觉分组，纯 CSS 不插字符 */
.pz-result {
    display: flex;
    align-items: center;
    gap: .75rem;
    flex-wrap: wrap;
    background: rgba(0, 0, 0, 0.28);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 12px;
    padding: .7rem .9rem;
}
.pz-result.is-empty { opacity: .55; }
/* 4 组之间用 flex gap 拉开；选中复制得到 4 组拼接的纯 16 位 */
.pz-code {
    font-family: var(--pz-mono);
    font-size: 1.55rem;
    line-height: 1.2;
    letter-spacing: .04em;
    color: #fff;
    flex: 1 1 auto;
    min-width: 0;
    -webkit-user-select: all;
    user-select: all;
    cursor: text;
}
.pz-code .pz-grp { display: inline-block; }
/* 组间视觉间距（非字符）：依赖 .pz-code 的 flex/gap */
.pz-code { display: inline-flex; gap: .9em; }
.pz-code-ph { color: #4a5466; letter-spacing: .15em; }

/* 强度条 */
.pz-strength { display: inline-flex; align-items: center; gap: .5rem; }
.pz-strength-bar {
    width: 84px; height: 6px; border-radius: 3px;
    background: rgba(255, 255, 255, 0.12); overflow: hidden;
}
.pz-strength-fill { height: 100%; width: 0; border-radius: 3px; transition: width .3s ease, background .3s ease; }
.pz-strength-label { font-size: .8rem; color: var(--pz-muted); white-space: nowrap; }
.pz-strength.weak .pz-strength-fill { background: var(--pz-bad); }
.pz-strength.weak .pz-strength-label { color: var(--pz-bad); }
.pz-strength.mid .pz-strength-fill { background: var(--pz-warn); }
.pz-strength.mid .pz-strength-label { color: var(--pz-warn); }
.pz-strength.strong .pz-strength-fill { background: var(--pz-ok); }
.pz-strength.strong .pz-strength-label { color: var(--pz-ok); }

/* 复制按钮反馈 */
.pz-copy { white-space: nowrap; }
.pz-copy.copied {
    color: var(--pz-ok) !important;
    border-color: var(--pz-ok) !important;
}

/* 空输入 / 校验提示 */
.pz-hint { font-size: .875rem; min-height: 1.25rem; margin-top: .5rem; color: var(--pz-muted); }
.pz-hint.error { color: var(--pz-bad); }
.pz-hint.ok { color: var(--pz-ok); }

/* 视觉隐藏（保留可被选中的降级 input） */
.pz-sr-only {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap; border: 0;
}

/* 介绍页：特性列表品牌色圆点 */
.pz-features { list-style: none; padding-left: 0; }
.pz-features > li {
    position: relative;
    padding: .5rem 0 .5rem 1.4rem;
    line-height: 1.7;
}
.pz-features > li::before {
    content: "";
    position: absolute;
    left: .1rem; top: .95rem;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--pz-primary);
    box-shadow: 0 0 0 4px rgba(var(--pz-primary-rgb), 0.15);
}
.pz-card h3 { color: #fff; font-size: 1.25rem; }
.pz-card h4 { color: #fff; font-size: 1.05rem; }
.pz-card h5 { color: #eaf0fb; font-size: .95rem; }
.pz-card .lead { color: #c4cdd9; font-size: 1rem; }
.pz-card p, .pz-card ul, .pz-card li { font-size: .9rem; line-height: 1.65; }
.pz-card .small, .pz-card small { font-size: .82rem; }

/* 特性小标题：左侧品牌色竖条 */
.pz-feature-title {
    position: relative;
    padding-left: .9rem;
    margin-top: 1.3rem;
    color: #eaf0fb;
}
.pz-feature-title::before {
    content: "";
    position: absolute;
    left: 0; top: .42em;
    width: 3px; height: 1em;
    border-radius: 2px;
    background: var(--pz-primary);
}

/* 代码块 */
.pz-card pre,
.pz-pre {
    background: rgba(0, 0, 0, 0.38);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: .9rem 1rem;
    color: #cfe0ff;
    font-family: var(--pz-mono);
    font-size: .85rem;
    line-height: 1.6;
    overflow-x: auto;
}
.pz-card code,
.pz-pre code { color: #9bc1ff; background: none; padding: 0; }
.pz-card p code,
.pz-card .text-muted code { color: #9bc1ff; }

/* 下载页表格 */
.pz-card .table { color: var(--pz-text); margin-bottom: 0; }
.pz-card .table > :not(caption) > * > * {
    background-color: transparent;
    border-color: rgba(255, 255, 255, 0.08);
}
.pz-card .table thead th {
    color: var(--pz-muted);
    font-weight: 600;
    border-bottom-color: rgba(255, 255, 255, 0.15);
}
.pz-card .table tbody tr { transition: background .15s ease; }
.pz-card .table tbody tr:hover {
    --bs-table-accent-bg: rgba(var(--pz-primary-rgb), 0.10);
    color: #fff;
}
.pz-card .table a { color: #6ea2ff; text-decoration: none; }
.pz-card .table a:hover { color: #9bbdff; text-decoration: underline; }
.pz-card .badge { font-weight: 500; }

/* 区块小标题前缀 */
.pz-section-tag {
    display: inline-block;
    color: var(--pz-primary);
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: .25rem;
}

/* 历史版本区块视觉降级 */
.pz-history h5 { color: var(--pz-muted); font-size: .95rem; }
.pz-history ul { color: var(--pz-muted); }

/* footer */
.pz-footer { color: var(--pz-muted); font-size: .8rem; }
.pz-footer a { color: var(--pz-muted); text-decoration: none; }
.pz-footer a:hover { color: #c4cdd9; }
/* 语言切换：当前语言 active 态 */
.pz-lang .active { color: #fff; font-weight: 600; }
.pz-lang a { color: var(--pz-muted); }
.pz-lang a:hover { color: #c4cdd9; }

/* 通用列表图标 */
.li {
    width: 14px; height: 14px;
    vertical-align: -2px; margin-right: 5px;
    opacity: .85;
}

/* 响应式：移动端收紧 */
@media (max-width: 575.98px) {
    .pz-card { padding: 1.15rem; border-radius: 13px; }
    .pz-code { font-size: 1.2rem; gap: .6em; }
    .pz-brand-cn { font-size: 1.45rem; }
    .pz-strength-bar { width: 64px; }
}