@import url('theme.css');

/* 知识库管理系统 — 使用 theme.css 统一深色主题 */
html { scrollbar-width: none; -ms-overflow-style: none; }
html::-webkit-scrollbar { display: none; }

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: var(--c-font-family);
    background: var(--c-bg-body);
    color: var(--c-text);
}

[hidden] { display: none !important; }

/* 导航栏（与其他功能页一致） */
.navbar {
    background: var(--c-bg-sidebar);
    border-bottom: 1px solid var(--c-border-subtle);
    box-shadow: none;
    padding: 0 40px;
    position: sticky;
    top: 0;
    z-index: 100;
}
.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}
.logo { font-size: 22px; font-weight: 700; display: flex; align-items: center; gap: 10px; cursor: pointer; white-space: nowrap; }
.logo-icon { width: 26px; height: 26px; flex-shrink: 0; filter: var(--c-icon-accent-filter); }
.logo-text { background: var(--c-gradient-accent); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.back-btn {
    padding: 8px 16px; background: var(--c-bg-surface); border: 1px solid var(--c-border-subtle);
    border-radius: 8px; color: var(--c-text-secondary); cursor: pointer; font-size: 14px;
    transition: all .2s; text-decoration: none; display: inline-block;
}
.back-btn:hover { background: var(--c-bg-card-hover); border-color: var(--c-border); }

.container { max-width: 1400px; margin: 20px auto; padding: 0 40px; }

/* 通用卡片与按钮 */
.btn {
    border: 1px solid var(--c-border); background: var(--c-bg-surface); border-radius: 8px;
    padding: 8px 14px; cursor: pointer; font-size: 14px; color: var(--c-text);
    transition: background .15s;
}
.btn:hover { background: var(--c-bg-card-hover); }
.btn-primary { background: var(--c-accent); border-color: var(--c-accent); color: #fff; }
.btn-primary:hover { background: var(--c-accent-hover); }
.btn-danger { color: var(--c-danger); border-color: rgba(239,68,68,.4); }
.btn-danger:hover { background: rgba(239,68,68,.12); }
.btn-sm { padding: 4px 10px; font-size: 13px; }

.kb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.kb-card {
    background: var(--c-bg-card); border: 1px solid var(--c-border-subtle); border-radius: 12px;
    padding: 18px; cursor: pointer; transition: box-shadow .15s, transform .15s;
    display: flex; flex-direction: column; gap: 8px;
}
.kb-card:hover { box-shadow: var(--c-shadow-card); transform: translateY(-2px); border-color: var(--c-border); }
.kb-card h3 { margin: 0; font-size: 16px; }
.kb-card .kb-card-type { color: var(--c-text-muted); font-size: 12px; }
.kb-card .kb-card-intro { color: var(--c-text-muted); font-size: 13px; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.kb-card .kb-card-tags { display: flex; flex-wrap: wrap; gap: 6px; min-height: 6px; }
.kb-card .kb-card-stats { display: flex; gap: 12px; color: var(--c-text-muted); font-size: 12px; }
.kb-card .kb-card-foot { display: flex; gap: 6px; }

.tag-pill {
    display: inline-block; background: var(--c-bg-surface); border: 1px solid var(--c-border);
    border-radius: 20px; padding: 1px 9px; font-size: 11px; color: var(--c-text-secondary);
}

.empty-tip { text-align: center; color: var(--c-text-muted); padding: 60px 0; }

/* modal */
.modal-backdrop {
    position: fixed; inset: 0; background: var(--c-overlay); z-index: 200;
    display: flex; align-items: center; justify-content: center;
}
.modal { background: var(--c-bg-elevated); border: 1px solid var(--c-border); border-radius: 14px; width: 92%; max-width: 560px; max-height: 90vh; overflow: auto; padding: 22px; }
.modal h2 { margin: 0 0 16px; font-size: 18px; }
.modal .modal-close {
    float: right; border: none; background: transparent; color: var(--c-text-secondary);
    font-size: 20px; cursor: pointer; line-height: 1;
}
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 13px; color: var(--c-text-muted); margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 9px 12px; background: var(--c-bg-surface); color: var(--c-text);
    border: 1px solid var(--c-border); border-radius: 8px; font-size: 14px;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none; border-color: var(--c-accent); box-shadow: 0 0 0 2px var(--c-accent-soft);
}
.form-group textarea { min-height: 80px; resize: vertical; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }

/* 标签选择器 */
.tag-picker { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-option {
    display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
    border: 1px solid var(--c-border); background: var(--c-bg-surface); border-radius: 20px;
    padding: 4px 11px; font-size: 13px; user-select: none; transition: all .15s;
}
.tag-option .dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.tag-option.selected { border-color: var(--c-accent); box-shadow: 0 0 0 1px var(--c-accent); }
.tag-picker-input {
    flex: 1; min-width: 120px; padding: 6px 10px; background: var(--c-bg-surface); color: var(--c-text);
    border: 1px dashed var(--c-border); border-radius: 20px; font-size: 13px;
}
.tag-picker-input::placeholder { color: var(--c-text-muted); }

.toast {
    position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
    background: var(--c-bg-raised); color: var(--c-text); border: 1px solid var(--c-border);
    padding: 10px 18px; border-radius: 8px; font-size: 14px; z-index: 300;
    opacity: 0; transition: opacity .25s; pointer-events: none;
}
.toast.show { opacity: 1; }

/* detail */
.kb-detail-head {
    background: var(--c-bg-card); border: 1px solid var(--c-border-subtle); border-radius: 12px;
    padding: 18px; margin-bottom: 16px;
}
.kb-detail-head h2 { margin: 0 0 8px; }
.kb-detail-head .intro { color: var(--c-text-muted); font-size: 14px; }
.kb-detail-head .meta { display: flex; gap: 16px; color: var(--c-text-muted); font-size: 13px; margin-top: 10px; flex-wrap: wrap; align-items: center; }
.kb-sections { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 800px) { .kb-sections { grid-template-columns: 1fr; } }
.kb-section {
    background: var(--c-bg-card); border: 1px solid var(--c-border-subtle); border-radius: 12px; padding: 16px;
}
.kb-section h4 { margin: 0 0 12px; font-size: 15px; display: flex; align-items: center; justify-content: space-between; }
.source-item {
    border: 1px solid var(--c-border); border-radius: 8px; padding: 10px 12px; margin-bottom: 8px;
    display: flex; align-items: center; gap: 10px; background: var(--c-bg-surface);
}
.source-item .s-name { flex: 1; font-size: 14px; }
.source-item .s-status { font-size: 12px; color: var(--c-text-muted); }
.status-pending { color: #f59e0b; } .status-ready { color: #22c55e; } .status-failed { color: #ef4444; } .status-parsing { color: #60a5fa; } .status-partial { color: #f59e0b; }

.kb-list { list-style: none; margin: 0; padding: 0; }

/* 知识点列表区域固定高度，超出内容滚动展示 */
#pointsSection { display: flex; flex-direction: column; height: calc(100vh - 300px); min-height: 320px; overflow: hidden; }
#pointsSection h4 { flex-shrink: 0; }
#pointsSection #pointsList { flex: 1; overflow-y: auto; margin: 0; padding-right: 4px; }
.kb-list li { padding: 8px 4px; border-bottom: 1px solid var(--c-border-subtle); font-size: 14px; }

.pager { display: flex; gap: 8px; align-items: center; margin-top: 10px; }
.pager button { border: 1px solid var(--c-border); background: var(--c-bg-surface); border-radius: 6px; padding: 4px 10px; cursor: pointer; color: var(--c-text); }

.page-viewer { margin-top: 16px; }
.page-item {
    background: var(--c-bg-card); border: 1px solid var(--c-border-subtle); border-radius: 8px; padding: 12px; margin-bottom: 10px;
}
.page-item .page-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.page-item .page-body { display: flex; gap: 14px; }
.page-item .page-body img { max-width: 240px; border: 1px solid var(--c-border); border-radius: 8px; height: auto; }
.page-item .page-text { font-size: 13px; white-space: pre-wrap; color: var(--c-text-secondary); flex: 1; max-height: 240px; overflow: auto; }
.page-summary { background: var(--c-accent-soft); border-radius: 8px; padding: 10px 12px; margin-top: 8px; font-size: 13px; white-space: pre-wrap; }

.point-kind { display: inline-block; background: var(--c-accent-soft); color: var(--c-link); border-radius: 4px; padding: 1px 6px; font-size: 11px; margin-right: 6px; }

/* 知识点折叠列表 */
.point-row { border-bottom: 1px solid var(--c-border-subtle); padding: 0; }
.point-row .point-head {
    display: flex; align-items: center; gap: 8px; padding: 9px 4px; cursor: pointer; user-select: none;
    transition: background .15s;
}
.point-row .point-head:hover { background: var(--c-bg-card-hover); }
.point-row .point-caret {
    display: inline-block; width: 12px; color: var(--c-text-muted); font-size: 12px; transition: transform .15s; flex-shrink: 0;
}
.point-row .point-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.point-row .point-jump {
    font-size: 12px; padding: 2px 8px; color: var(--c-link); border-color: rgba(59,130,246,.35); white-space: nowrap;
}
.point-row .point-del { flex-shrink: 0; }
.point-row .point-body { max-height: 0; overflow: hidden; transition: max-height .25s ease, padding .25s ease; }
.point-row.open .point-body { max-height: 480px; padding: 2px 4px 10px; overflow: auto; }
.point-row.open .point-caret { transform: rotate(90deg); }
.point-body-text {
    color: var(--kb-muted, var(--c-text-muted)); font-size: 13px; white-space: pre-wrap; line-height: 1.6;
    padding: 8px 10px; background: var(--c-bg-surface); border-radius: 8px; border-left: 2px solid var(--c-accent);
}

/* 单页阅读器 */
.reader-page {
    background: var(--c-bg-card); border: 1px solid var(--c-border-subtle); border-radius: 10px; padding: 14px;
    scroll-margin-top: 90px;
}
.reader-page.flash { outline: 2px solid var(--c-accent); outline-offset: 2px; }
.reader-page-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.reader-page-body { display: flex; flex-direction: column; gap: 12px; align-items: center; }
.reader-page-img {
    max-width: 100%; width: auto; max-height: 78vh; border: 1px solid var(--c-border); border-radius: 8px;
    background: #fff; box-shadow: var(--c-shadow-card);
}
.reader-page-text {
    width: 100%; font-size: 14px; white-space: pre-wrap; color: var(--c-text-secondary); line-height: 1.7;
    max-height: 320px; overflow: auto; background: var(--c-bg-surface); border-radius: 8px; padding: 10px 12px;
}
.reader-page-summary {
    background: var(--c-accent-soft); border-radius: 8px; padding: 10px 12px; margin-top: 10px;
    font-size: 13px; white-space: pre-wrap;
}
.reader-nav {
    display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 12px;
}
.reader-page-indicator { font-size: 14px; color: var(--c-text-secondary); display: flex; align-items: center; gap: 6px; }
.reader-page-indicator input[type="number"] {
    width: 64px; padding: 5px 8px; background: var(--c-bg-surface); color: var(--c-text);
    border: 1px solid var(--c-border); border-radius: 6px; font-size: 14px; text-align: center;
}
.reader-page-indicator input[type="number"]:focus { outline: none; border-color: var(--c-accent); }

/* 查看页内本页知识点（可编辑） */
.reader-points { margin-top: 14px; border-top: 1px solid var(--c-border-subtle); padding-top: 12px; }
.reader-points-title { font-size: 14px; font-weight: 600; margin-bottom: 8px; color: var(--c-text-secondary); }
.reader-point {
    background: var(--c-bg-surface); border: 1px solid var(--c-border-subtle); border-radius: 8px;
    padding: 10px 12px; margin-bottom: 10px;
}
.reader-point-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.reader-point-head .reader-point-title { font-size: 14px; font-weight: 600; flex: 1; min-width: 0; }
.reader-point textarea {
    width: 100%; min-height: 72px; padding: 8px 10px; background: var(--c-bg-raised);
    color: var(--c-text); border: 1px solid var(--c-border); border-radius: 8px;
    font-size: 13px; font-family: inherit; line-height: 1.6; resize: vertical;
}
.reader-point textarea:focus { outline: none; border-color: var(--c-accent); }
.reader-point-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 6px; }

.search-bar { display: flex; gap: 8px; margin-bottom: 12px; }
.search-bar input { flex: 1; padding: 9px 12px; background: var(--c-bg-surface); color: var(--c-text); border: 1px solid var(--c-border); border-radius: 8px; font-size: 14px; }
.search-bar input:focus { outline: none; border-color: var(--c-accent); }
.search-result { background: var(--c-bg-card); border: 1px solid var(--c-border-subtle); border-radius: 8px; padding: 12px; margin-bottom: 8px; font-size: 13px; }
.search-result .sr-head { font-weight: 600; margin-bottom: 6px; color: var(--c-link); }
.search-result .sr-text { color: var(--c-text-secondary); white-space: pre-wrap; }