/* SM 知识库 - spank.cn 黑白简约风格 */

/* ===== 密码锁 ===== */
.kb-lock {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.kb-lock-box {
    width: 100%;
    max-width: 340px;
    text-align: center;
    border: 2px solid var(--fg);
    border-radius: 12px;
    padding: 36px 24px;
    background: var(--bg);
}
.kb-lock-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}
.kb-lock-box h1 {
    font-size: 1.6rem;
    font-weight: bold;
    letter-spacing: 2px;
    margin-bottom: 6px;
}
.kb-lock-sub {
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 22px;
}
.kb-lock-box input {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--fg);
    border-radius: 8px;
    font-size: 1rem;
    text-align: center;
    letter-spacing: 4px;
    outline: none;
    margin-bottom: 14px;
    background: var(--bg);
    color: var(--fg);
}
.kb-btn {
    width: 100%;
    padding: 12px;
    border: 1.5px solid var(--fg);
    border-radius: 8px;
    background: var(--fg);
    color: var(--bg);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.2s;
    letter-spacing: 3px;
}
.kb-btn:hover { opacity: 0.85; }
.kb-err {
    color: #d32f2f;
    font-size: 0.82rem;
    margin-top: 10px;
}
.kb-lock-tip {
    margin-top: 20px;
    font-size: 0.75rem;
    color: var(--muted);
    line-height: 1.7;
}

/* ===== 头部 ===== */
.kb-header {
    text-align: center;
    margin: 26px 0 18px;
    border-bottom: 2px solid var(--fg);
    padding-bottom: 14px;
}
.kb-header h1 {
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: 2px;
}
.kb-header .subtitle {
    color: var(--muted);
    font-size: 0.85rem;
    margin-top: 6px;
}
.kb-notice {
    background: var(--hover-bg);
    border-left: 3px solid var(--fg);
    padding: 10px 14px;
    margin-bottom: 18px;
    font-size: 0.82rem;
    color: var(--muted);
    line-height: 1.7;
}

/* ===== 搜索 + 筛选 ===== */
.kb-toolbar {
    max-width: 800px;
    margin: 0 auto 12px;
}
.kb-search {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--light-border);
    border-radius: 24px;
    font-size: 0.92rem;
    outline: none;
    background: var(--bg);
    color: var(--fg);
    transition: border-color 0.2s;
}
.kb-search:focus {
    border-color: var(--fg);
}
.kb-filter-bar {
    max-width: 800px;
    margin: 0 auto 18px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.kb-chip {
    padding: 6px 14px;
    border: 1.5px solid var(--light-border);
    border-radius: 20px;
    color: var(--muted);
    font-size: 0.8rem;
    cursor: pointer;
    user-select: none;
    transition: all 0.15s;
    background: var(--bg);
}
.kb-chip:hover {
    border-color: var(--fg);
    color: var(--fg);
}
.kb-chip.active {
    background: var(--fg);
    border-color: var(--fg);
    color: var(--bg);
}

/* ===== 列表 ===== */
.kb-list {
    max-width: 800px;
    margin: 0 auto;
}
.kb-loading,
.kb-empty {
    text-align: center;
    color: var(--muted);
    padding: 40px 0;
    font-size: 0.9rem;
}
.kb-item {
    padding: 16px 18px;
    border-bottom: 1px solid var(--light-border);
    cursor: pointer;
    transition: background-color 0.2s;
}
.kb-item:first-of-type {
    border-top: 2px solid var(--fg);
}
.kb-item:hover {
    background-color: var(--hover-bg);
}
.kb-item-title {
    font-size: 1.02rem;
    font-weight: bold;
    color: var(--fg);
    margin-bottom: 6px;
    line-height: 1.45;
}
.kb-item-summary {
    font-size: 0.84rem;
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.kb-item-meta {
    font-size: 0.72rem;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.kb-tag-badge {
    padding: 1px 8px;
    border: 1px solid var(--light-border);
    border-radius: 10px;
    font-size: 0.68rem;
}
.kb-item-date {
    opacity: 0.7;
    margin-left: auto;
}

/* ===== 详情 ===== */
.kb-detail {
    max-width: 800px;
    margin: 0 auto;
}
.kb-back {
    display: inline-block;
    padding: 8px 16px;
    border: 1.5px solid var(--fg);
    border-radius: 6px;
    background: var(--bg);
    color: var(--fg);
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 18px;
    font-size: 0.85rem;
}
.kb-back:hover {
    background: var(--fg);
    color: var(--bg);
}
.kb-detail-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 10px;
    line-height: 1.35;
}
.kb-detail-meta {
    font-size: 0.78rem;
    color: var(--muted);
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--fg);
    margin-bottom: 18px;
}

/* ===== 正文（markdown 渲染） ===== */
.kb-detail-body {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--fg);
    word-break: break-word;
}
.kb-detail-body h1,
.kb-detail-body h2,
.kb-detail-body h3,
.kb-detail-body h4 {
    font-weight: bold;
    margin: 26px 0 12px;
    line-height: 1.4;
}
.kb-detail-body h2 {
    font-size: 1.25rem;
    border-bottom: 1px solid var(--light-border);
    padding-bottom: 8px;
}
.kb-detail-body h3 {
    font-size: 1.1rem;
}
.kb-detail-body p {
    margin: 10px 0;
}
.kb-detail-body ul,
.kb-detail-body ol {
    margin: 10px 0 10px 22px;
}
.kb-detail-body li {
    margin: 5px 0;
}
.kb-detail-body strong {
    font-weight: bold;
}
.kb-detail-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 14px 0;
    font-size: 0.88rem;
}
.kb-detail-body th,
.kb-detail-body td {
    border: 1px solid var(--light-border);
    padding: 9px 11px;
    text-align: left;
    vertical-align: top;
    line-height: 1.6;
}
.kb-detail-body thead th {
    background: var(--fg);
    color: var(--bg);
    font-weight: bold;
    border-color: var(--fg);
}
.kb-detail-body tbody tr:nth-child(even) {
    background: var(--hover-bg);
}
.kb-detail-body blockquote {
    border-left: 3px solid var(--fg);
    background: var(--hover-bg);
    padding: 10px 14px;
    margin: 12px 0;
    color: var(--muted);
}
.kb-detail-body pre,
.kb-detail-body code {
    font-family: Consolas, Monaco, monospace;
    font-size: 0.85rem;
}
.kb-detail-body pre {
    background: var(--hover-bg);
    border: 1px solid var(--light-border);
    padding: 12px;
    overflow-x: auto;
    margin: 12px 0;
    white-space: pre-wrap;
}
.kb-detail-body img {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--light-border);
    border-radius: 6px;
    margin: 12px auto;
    display: block;
}
.kb-detail-body hr {
    border: none;
    border-top: 1px solid var(--light-border);
    margin: 20px 0;
}
.kb-detail-body a {
    color: var(--fg);
    font-weight: bold;
    text-decoration: underline;
}
.kb-detail-body .kb-internal {
    text-decoration: underline dotted;
}
.kb-detail-body .button-container {
    display: flex;
    gap: 12px;
    margin: 14px 0;
    flex-wrap: wrap;
}
.kb-detail-body .btn {
    padding: 10px 22px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    border: 1.5px solid var(--fg);
    transition: all 0.15s;
}
.kb-detail-body .btn-orgasm {
    background: var(--fg);
    color: var(--bg);
}
.kb-detail-body .btn-orgasm:hover {
    opacity: 0.85;
}
.kb-detail-body .btn-pee {
    background: var(--bg);
    color: var(--fg);
}
.kb-detail-body .btn-pee:hover {
    background: var(--hover-bg);
}
.kb-detail-body .task-output {
    margin-top: 10px;
    padding: 10px 14px;
    border: 1.5px solid var(--fg);
    border-radius: 6px;
    font-size: 0.9rem;
    background: var(--hover-bg);
    animation: kbFadeIn 0.3s ease;
}
@keyframes kbFadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 480px) {
    .kb-detail-title { font-size: 1.25rem; }
    .kb-detail-body { font-size: 0.9rem; }
    .kb-detail-body table { font-size: 0.8rem; }
    .kb-detail-body th,
    .kb-detail-body td { padding: 7px 8px; }
}

/* 密码提示（与阅读页一致） */
.login-hint {
    margin-bottom: 1rem;
    font-size: 14px;
    color: #666;
}

.hint-password {
    color: #ff0000;
    font-weight: bold;
}