/* ============================================ */
/* 智睿客训舱 V10 — 完整样式                    */
/* 6主题 × 亮/暗 + PC/移动端 + 全部组件 + 拖拽   */
/* ============================================ */
* { margin: 0; padding: 0; box-sizing: border-box }

:root {
    --font: 'PingFang SC','Microsoft YaHei',-apple-system,sans-serif;
    --radius: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-sm: 8px;
    --transition: 0.18s cubic-bezier(.4,0,.2,1);
    --sidebar-w: 240px;
    --sidebar-collapsed: 60px;
}

/* 6套主题 */
[data-color="indigo"] { --p: #6366f1; --p-l: #818cf8; --p-d: #4f46e5; --p-g: rgba(99,102,241,.08); --p-g2: rgba(99,102,241,.15) }
[data-color="emerald"] { --p: #10b981; --p-l: #34d399; --p-d: #059669; --p-g: rgba(16,185,129,.08); --p-g2: rgba(16,185,129,.15) }
[data-color="amber"]   { --p: #f59e0b; --p-l: #fbbf24; --p-d: #d97706; --p-g: rgba(245,158,11,.08); --p-g2: rgba(245,158,11,.15) }
[data-color="rose"]    { --p: #ec4899; --p-l: #f472b6; --p-d: #db2777; --p-g: rgba(236,72,153,.08); --p-g2: rgba(236,72,153,.15) }
[data-color="cyan"]    { --p: #06b6d4; --p-l: #22d3ee; --p-d: #0891b2; --p-g: rgba(6,182,212,.08); --p-g2: rgba(6,182,212,.15) }
[data-color="violet"]  { --p: #8b5cf6; --p-l: #a78bfa; --p-d: #7c3aed; --p-g: rgba(139,92,246,.08); --p-g2: rgba(139,92,246,.15) }

/* 亮暗 */
[data-theme="light"] {
    --bg: #f1f5f9; --s: #fff; --s2: #f8fafc; --t: #1e293b; --t2: #64748b; --t3: #94a3b8;
    --b: #e2e8f0; --b2: #f1f5f9; --sh: 0 1px 2px rgba(0,0,0,.04); --sh-m: 0 4px 16px rgba(0,0,0,.06);
    --sb: #1e293b; --sbt: #cbd5e1; --sba: rgba(255,255,255,.06);
    --danger: #ef4444; --success: #16a34a; --warn: #f59e0b;
    --bub-a: #f1f5f9; --co-bg: #ecfdf5; --co-b: #86efac; --progress-bg: #f0fdf4
}
[data-theme="dark"] {
    --bg: #0f172a; --s: #1e293b; --s2: #1a2332; --t: #e2e8f0; --t2: #94a3b8; --t3: #64748b;
    --b: #334155; --b2: #1a2332; --sh: 0 1px 2px rgba(0,0,0,.2); --sh-m: 0 4px 16px rgba(0,0,0,.3);
    --sb: #0f172a; --sbt: #94a3b8; --sba: rgba(255,255,255,.04);
    --danger: #f87171; --success: #4ade80; --warn: #fbbf24;
    --bub-a: #1e293b; --co-bg: #064e3b; --co-b: #34d399; --progress-bg: #052e16
}

html, body { height: 100%; font-family: var(--font); font-size: 14px; color: var(--t); background: var(--bg); -webkit-tap-highlight-color: transparent }
a { color: var(--p); text-decoration: none }
.text-muted { color: var(--t2); font-size: 12px }
.mt-1 { margin-top: 6px } .mt-2 { margin-top: 10px } .mt-3 { margin-top: 16px } .mb-2 { margin-bottom: 10px }
.w-full { width: 100% }
.flex-between { display: flex; justify-content: space-between; align-items: center }

/* ===== 按钮 ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 7px 14px; border: none; border-radius: var(--radius-sm); font-size: 13px;
    font-family: var(--font); cursor: pointer; transition: var(--transition); font-weight: 500;
    background: var(--s); color: var(--t); border: 1px solid var(--b) }
.btn:hover { background: var(--b2); transform: translateY(-1px); box-shadow: var(--sh) }
.btn:active { transform: scale(.97) }
.btn-primary { background: var(--p); color: #fff; border-color: var(--p) }
.btn-primary:hover { background: var(--p-l) }
.btn-d { background: var(--danger); color: #fff; border-color: var(--danger) }
.btn-p { background: var(--p-g); color: var(--p); border-color: var(--p); font-weight: 600 }
.btn-sm { padding: 4px 10px; font-size: 11px; border-radius: 6px }
.btn-xs { padding: 2px 6px; font-size: 10px; border-radius: 4px }
.btn-lg { padding: 10px 20px; font-size: 15px; border-radius: var(--radius) }
.btn-ico { width: 32px; height: 32px; padding: 0; border-radius: 50%; font-size: 16px }
.btn:disabled, .btn-loading { opacity: .5; pointer-events: none; position: relative }
.btn-loading::after { content: ''; width: 14px; height: 14px; border: 2px solid transparent;
    border-top-color: currentColor; border-radius: 50%; animation: spin .6s linear infinite; position: absolute }

/* ===== 表单 ===== */
.form-group { margin-bottom: 12px }
.form-label { display: block; font-size: 12px; color: var(--t2); margin-bottom: 4px; font-weight: 500 }
.form-input, .form-select, .form-textarea {
    width: 100%; padding: 9px 12px; border: 1px solid var(--b); border-radius: var(--radius-sm);
    font-family: var(--font); font-size: 13px; color: var(--t); background: var(--s);
    transition: var(--transition); outline: none }
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--p); box-shadow: 0 0 0 3px var(--p-g) }
.form-textarea { resize: vertical; min-height: 80px; line-height: 1.6 }

/* ===== Toast ===== */
.toast { position: fixed; top: 16px; left: 50%; transform: translateX(-50%); z-index: 10000;
    padding: 10px 20px; border-radius: var(--radius); font-size: 13px; font-weight: 500;
    color: #fff; display: none; animation: toastIn .25s ease; max-width: 90vw; text-align: center }
.toast-ok { background: var(--success) }
.toast-err { background: var(--danger) }
.toast-warn { background: var(--warn); color: #000 }

/* ===== 骨架屏 ===== */
.skeleton-wrap { display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 40px 20px; gap: 12px }
.skeleton-spinner { width: 36px; height: 36px; border: 3px solid var(--b); border-top-color: var(--p);
    border-radius: 50%; animation: spin .8s linear infinite }
.skeleton-text { font-size: 13px; color: var(--t3) }

/* ===== 全页加载遮罩 ===== */
.page-loader { position: fixed; inset: 0; z-index: 9999; background: rgba(0,0,0,.35);
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
    backdrop-filter: blur(2px) }
.page-loader-text { font-size: 14px; color: #fff; font-weight: 500 }

/* ===== 标签 ===== */
.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 10px; font-weight: 600 }
.tag-teaching { background: #dbeafe; color: #2563eb }
.tag-basic { background: #fef3c7; color: #d97706 }
.tag-advanced { background: #fce7f3; color: #db2777 }

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 5px; height: 5px }
::-webkit-scrollbar-track { background: transparent }
::-webkit-scrollbar-thumb { background: var(--t3); border-radius: 10px }

/* ===== 动画 ===== */
@keyframes spin { to { transform: rotate(360deg) } }
@keyframes toastIn { from { opacity: 0; transform: translateX(-50%) translateY(-10px) } to { opacity: 1; transform: translateX(-50%) translateY(0) } }
@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px) } to { opacity: 1; transform: translateY(0) } }
@keyframes dotBounce { 0%,80%,100% { transform: scale(0) } 40% { transform: scale(1) } }

/* ===== 登录页 ===== */
.login-split { display: flex; min-height: 100vh; min-height: 100dvh; background: var(--bg) }
.login-left { flex: 1; background: linear-gradient(135deg, var(--p-d), var(--p));
    display: flex; align-items: center; justify-content: center; padding: 40px; color: #fff }
.login-left-inner { max-width: 520px }
.login-logo { font-size: 64px; margin-bottom: 16px }
.login-h1 { font-size: 28px; font-weight: 700; margin-bottom: 8px }
.login-sub { font-size: 15px; opacity: .85; margin-bottom: 32px; line-height: 1.6 }
.login-features { display: flex; flex-direction: column; gap: 16px }
.login-feat { display: flex; gap: 12px; align-items: flex-start }
.login-feat-ico { font-size: 24px; flex-shrink: 0; width: 40px; text-align: center }
.login-feat-title { font-weight: 600; font-size: 14px; margin-bottom: 2px }
.login-feat-desc { font-size: 12px; opacity: .75; line-height: 1.5 }
.login-right { flex: 0 0 440px; display: flex; flex-direction: column; justify-content: center;
    padding: 40px 48px; background: var(--s) }
.login-right-logo { font-size: 48px; margin-bottom: 12px; text-align: center }
.login-right-h1 { font-size: 22px; font-weight: 700; margin-bottom: 4px; text-align: center; color: var(--t) }
.login-right-sub { font-size: 13px; color: var(--t2); margin-bottom: 24px; text-align: center }
.login-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px }
.login-foot { text-align: center; margin-top: 16px; font-size: 13px; color: var(--t2) }
.login-foot span { color: var(--p); cursor: pointer; font-weight: 500 }
.login-foot span:hover { text-decoration: underline }

/* ===== 应用布局 ===== */
.app-root { height: 100vh; height: 100dvh; display: flex; overflow: hidden }
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; background: var(--bg) }
.content { flex: 1; overflow-y: auto; padding: 16px 20px 80px; opacity: 1; transform: translateY(0);
    transition: opacity .2s, transform .2s }

/* ===== 侧边栏 ===== */
.sidebar { width: var(--sidebar-w); background: var(--sb); color: var(--sbt);
    display: flex; flex-direction: column; flex-shrink: 0; transition: width var(--transition);
    overflow: hidden; z-index: 100 }
.sb-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 99 }
.sb-header { display: flex; align-items: center; padding: 14px 16px; gap: 10px; border-bottom: 1px solid var(--sba) }
.sb-logo { font-size: 24px; flex-shrink: 0 }
.sb-brand { font-weight: 700; font-size: 15px; color: #fff; white-space: nowrap; overflow: hidden }
.sb-btn-row { display: flex; gap: 4px; margin-left: auto }
.sb-btn { background: none; border: none; color: var(--sbt); cursor: pointer; font-size: 12px;
    padding: 4px 6px; border-radius: 4px; transition: var(--transition) }
.sb-btn:hover { background: var(--sba); color: #fff }
.sb-nav { flex: 1; overflow-y: auto; padding: 8px }
.sb-section { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: var(--sbt);
    padding: 12px 12px 6px; opacity: .5 }
.sb-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius-sm);
    cursor: pointer; transition: var(--transition); font-size: 13px; color: var(--sbt); margin-bottom: 2px }
.sb-item:hover { background: var(--sba); color: #fff }
.sb-item.active { background: var(--p); color: #fff }
.sb-item .ico { font-size: 16px; width: 22px; text-align: center; flex-shrink: 0 }
.sb-item .txt { white-space: nowrap; overflow: hidden }
.sb-spacer { height: 16px }

/* ===== 顶栏 ===== */
.topbar { display: flex; align-items: center; padding: 8px 16px; background: var(--s);
    border-bottom: 1px solid var(--b); gap: 12px; flex-shrink: 0 }
.tb-menu { display: none; background: none; border: none; font-size: 20px; cursor: pointer; color: var(--t);
    padding: 4px 8px; border-radius: var(--radius-sm) }
.tb-bread { font-size: 14px; font-weight: 600; color: var(--t); white-space: nowrap;
    display: flex; align-items: center; gap: 6px }
.tb-actions { display: flex; align-items: center; gap: 8px; margin-left: auto }
.tb-notif { cursor: pointer; font-size: 18px; position: relative; padding: 4px }
.tb-notif .dot { position: absolute; top: 2px; right: 2px; width: 7px; height: 7px;
    background: var(--danger); border-radius: 50%; display: none }
.notif-dd { display: none; position: absolute; top: 100%; right: 0; width: 280px; max-height: 360px;
    overflow-y: auto; background: var(--s); border: 1px solid var(--b); border-radius: var(--radius);
    box-shadow: var(--sh-m); z-index: 200; padding: 8px }
.notif-dd.show { display: block }
.tb-user { display: flex; align-items: center; gap: 8px; cursor: pointer; padding: 4px 8px;
    border-radius: var(--radius-sm); transition: var(--transition) }
.tb-user:hover { background: var(--b2) }
.tb-avatar { width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center;
    justify-content: center; color: #fff; font-size: 12px; font-weight: 600; overflow: hidden; flex-shrink: 0 }
.tb-avatar img { width: 100%; height: 100%; object-fit: cover }
.tb-nickname { font-size: 13px; font-weight: 500; color: var(--t); max-width: 100px; overflow: hidden;
    white-space: nowrap; text-overflow: ellipsis }
.tb-role-tag { font-size: 10px; padding: 1px 6px; border-radius: 4px; font-weight: 600 }
.tb-role-student { background: var(--p-g); color: var(--p) }
.tb-role-admin { background: #fef3c7; color: #d97706 }
.tb-role-super { background: #fce7f3; color: #db2777 }

/* ===== 底部栏（移动端） ===== */
.bottom-bar { display: none; align-items: center; justify-content: space-around; padding: 6px 4px;
    background: var(--s); border-top: 1px solid var(--b); flex-shrink: 0; padding-bottom: env(safe-area-inset-bottom) }
.bb-item, .bb-cta { display: flex; flex-direction: column; align-items: center; gap: 2px;
    cursor: pointer; font-size: 10px; color: var(--t2); padding: 4px 8px; border-radius: var(--radius-sm);
    transition: var(--transition) }
.bb-item.active { color: var(--p) }
.bb-ico { font-size: 18px }
.bb-cta-inner { width: 44px; height: 44px; border-radius: 50%; background: var(--p); color: #fff;
    display: flex; align-items: center; justify-content: center; font-size: 20px;
    margin-top: -16px; box-shadow: 0 2px 8px rgba(0,0,0,.15) }

/* ===== 通知横幅 ===== */
.notif-banner { padding: 8px 16px; background: var(--p-g); border-bottom: 1px solid var(--p); font-size: 12px;
    display: flex; justify-content: space-between; align-items: center }
.banner-text { color: var(--p); font-weight: 500 }
.banner-close { background: none; border: none; color: var(--p); cursor: pointer; font-size: 14px }

/* ===== 内容区过渡 ===== */
#contentArea { opacity: 1; transition: opacity .18s, transform .18s }
#contentArea.fading { opacity: 0; transform: translateY(4px) }

/* ===== 首页 ===== */
.home-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px }
.home-card { background: var(--s); border-radius: var(--radius); padding: 16px; box-shadow: var(--sh) }
.home-card-hdr { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px }
.home-card-ttl { font-weight: 600; font-size: 14px; color: var(--t) }
.home-stat-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-bottom: 16px }
.home-stat { background: var(--s); border-radius: var(--radius); padding: 14px; text-align: center; box-shadow: var(--sh) }
.home-stat-val { font-size: 24px; font-weight: 700; color: var(--p) }
.home-stat-lbl { font-size: 11px; color: var(--t2); margin-top: 4px }
.recent-list { display: flex; flex-direction: column; gap: 6px }
.recent-item { display: grid; grid-template-columns: 1fr 140px 50px; gap: 8px; align-items: center;
    padding: 8px 10px; border-radius: var(--radius-sm); background: var(--b2); font-size: 12px; cursor: pointer;
    transition: var(--transition) }
.recent-item:hover { background: var(--p-g) }
.recent-scene { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; color: var(--t) }
.recent-time { color: var(--t3); text-align: right }
.recent-score { text-align: right; font-weight: 600 }
.recent-score.high { color: var(--success) }
.recent-score.mid { color: var(--warn) }
.recent-score.low { color: var(--danger) }

/* ===== 统计与记录 ===== */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 14px }
.filter-bar .form-input, .filter-bar .form-select { width: auto; min-width: 120px }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100% }
.tbl { width: 100%; border-collapse: collapse; font-size: 12px }
.tbl th, .tbl td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--b); white-space: nowrap }
.tbl th { font-weight: 600; color: var(--t2); font-size: 11px; background: var(--b2);
    cursor: pointer; user-select: none; position: sticky; top: 0 }
.tbl th:hover { color: var(--p) }
.tbl tr { cursor: pointer; transition: var(--transition) }
.tbl tr:hover { background: var(--p-g) }
.tbl tr.expanded td { border-bottom: none }
.tbl .row-detail { display: none; background: var(--b2) }
.tbl .row-detail.show { display: table-row }
.tbl .row-detail td { padding: 8px 10px 12px; font-size: 11px; color: var(--t2); white-space: normal }

/* ===== 排行榜 ===== */
.lb-top3 { display: flex; justify-content: center; align-items: flex-end; gap: 16px; margin-bottom: 20px;
    padding: 20px 0 }
.lb-card { background: var(--s); border-radius: var(--radius); padding: 16px; text-align: center;
    box-shadow: var(--sh); min-width: 100px }
.lb-card.rank1 { order: 2; transform: scale(1.1); border: 2px solid #f59e0b }
.lb-card.rank2 { order: 1; border: 2px solid #94a3b8 }
.lb-card.rank3 { order: 3; border: 2px solid #d97706 }
.lb-rank { font-size: 28px; font-weight: 700; margin-bottom: 4px }
.lb-name { font-size: 13px; font-weight: 600; color: var(--t) }
.lb-score { font-size: 12px; color: var(--t2) }
.lb-my-row td { background: var(--p-g) !important; font-weight: 600 }

/* ===== 设置页 ===== */
.settings-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px;
    border-bottom: 1px solid var(--b); padding-bottom: 10px }
.settings-tab { padding: 6px 14px; border-radius: var(--radius-sm); cursor: pointer; font-size: 12px;
    font-weight: 500; color: var(--t2); transition: var(--transition); white-space: nowrap }
.settings-tab:hover { background: var(--b2); color: var(--t) }
.settings-tab.active { background: var(--p); color: #fff }
.config-card { background: var(--s); border-radius: var(--radius); padding: 16px; margin-bottom: 14px;
    box-shadow: var(--sh) }
.config-card-ttl { font-weight: 600; font-size: 14px; margin-bottom: 10px; color: var(--t) }
.api-key-wrap { display: flex; gap: 8px }
.api-key-wrap .form-input { flex: 1; font-family: monospace }

/* ===== 管理：学员管理 ===== */
.user-list { display: flex; flex-direction: column; gap: 6px }
.user-row { display: flex; align-items: center; gap: 10px; padding: 10px 12px; background: var(--s);
    border-radius: var(--radius-sm); box-shadow: var(--sh); flex-wrap: wrap }
.user-row-avatar { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center;
    justify-content: center; color: #fff; font-size: 12px; font-weight: 600; flex-shrink: 0;
    background: linear-gradient(135deg, var(--p), var(--p-l)) }
.user-row-info { flex: 1; min-width: 120px }
.user-row-name { font-weight: 600; font-size: 13px; color: var(--t) }
.user-row-meta { font-size: 11px; color: var(--t2) }
.user-row-actions { display: flex; gap: 6px }

/* ===== 管理：VOC ===== */
.voc-import-progress { display: none; margin: 10px 0; background: var(--b2); border-radius: var(--radius-sm);
    padding: 10px; font-size: 12px; color: var(--t2) }
.voc-import-progress-bar { height: 6px; background: var(--b); border-radius: 3px; margin-top: 6px; overflow: hidden }
.voc-import-progress-fill { height: 100%; background: var(--p); border-radius: 3px; transition: width .3s }
.voc-row { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: var(--radius-sm);
    background: var(--b2); font-size: 12px; cursor: pointer; transition: var(--transition); margin-bottom: 4px }
.voc-row:hover { background: var(--p-g) }
.voc-row-txt { flex: 1; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; color: var(--t) }

/* ===== 管理：人设 ===== */
.persona-card { background: var(--s); border-radius: var(--radius); padding: 14px; margin-bottom: 10px;
    box-shadow: var(--sh); cursor: pointer; transition: var(--transition) }
.persona-card:hover { box-shadow: var(--sh-m) }
.persona-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px }
.persona-card-scene { font-weight: 600; font-size: 13px; color: var(--t) }
.persona-card-preview { font-size: 12px; color: var(--t2); line-height: 1.5; display: -webkit-box;
    -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden }
.persona-card.expanded .persona-card-preview { -webkit-line-clamp: unset }
.persona-progress { display: none; margin: 10px 0; background: var(--b2); border-radius: var(--radius-sm);
    padding: 10px; font-size: 12px; color: var(--t2) }
.persona-progress-bar { height: 6px; background: var(--b); border-radius: 3px; margin-top: 6px; overflow: hidden }
.persona-progress-fill { height: 100%; background: var(--p); border-radius: 3px; transition: width .3s }

/* ===== 管理：热力图 ===== */
.heat-cell { text-align: center; font-weight: 600; font-size: 12px; padding: 6px 4px; border-radius: 4px }
.heat-0 { background: rgba(239,68,68,.15); color: var(--danger) }
.heat-1 { background: rgba(245,158,11,.15); color: var(--warn) }
.heat-2 { background: rgba(16,185,129,.1); color: var(--success) }
.heat-3 { background: rgba(99,102,241,.1); color: var(--p) }

/* ===== 管理：日志 ===== */
.log-row { display: flex; gap: 10px; padding: 8px 10px; border-radius: var(--radius-sm);
    background: var(--b2); font-size: 12px; margin-bottom: 4px; align-items: center; flex-wrap: wrap }
.log-time { color: var(--t3); white-space: nowrap }
.log-action { font-weight: 600; color: var(--t) }
.log-target { color: var(--p) }
.log-detail { color: var(--t2); flex: 1; min-width: 100px }
.log-snapshot { font-size: 10px; color: var(--t3); max-height: 100px; overflow-y: auto;
    background: var(--b2); padding: 6px 8px; border-radius: 4px; font-family: monospace; white-space: pre-wrap;
    display: none }
.log-snapshot.expanded { display: block }

/* ===== 模态框 ===== */
.modal-over { position: fixed; inset: 0; z-index: 500; background: rgba(0,0,0,.4);
    display: none; align-items: center; justify-content: center; backdrop-filter: blur(2px) }
.modal-over.show { display: flex }
.modal { background: var(--s); border-radius: var(--radius-lg); padding: 24px; max-width: 94vw;
    max-height: 85vh; overflow-y: auto; box-shadow: var(--sh-m); animation: slideUp .2s ease; width: 520px }
.modal-wide { width: 800px; max-width: 96vw }
.modal-hdr { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px }
.modal-hdr h3 { font-size: 16px; color: var(--t) }

/* ===== 个人资料 ===== */
.edit-avatar-area { display: flex; gap: 16px; align-items: center; margin-bottom: 16px; flex-wrap: wrap }
.edit-avatar { width: 64px; height: 64px; border-radius: 50%; display: flex; align-items: center;
    justify-content: center; color: #fff; font-size: 24px; font-weight: 600; overflow: hidden; flex-shrink: 0 }
.edit-avatar img { width: 100%; height: 100%; object-fit: cover }
.avatar-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px }
.avatar-grid-item { width: 36px; height: 36px; border-radius: 50%; cursor: pointer;
    transition: var(--transition); border: 2px solid transparent }
.avatar-grid-item:hover { border-color: var(--p); transform: scale(1.1) }
.av-1 { background: linear-gradient(135deg,#6366f1,#818cf8) }
.av-2 { background: linear-gradient(135deg,#10b981,#34d399) }
.av-3 { background: linear-gradient(135deg,#f59e0b,#fbbf24) }
.av-4 { background: linear-gradient(135deg,#ec4899,#f472b6) }
.av-5 { background: linear-gradient(135deg,#06b6d4,#22d3ee) }
.av-6 { background: linear-gradient(135deg,#8b5cf6,#a78bfa) }
.av-7 { background: linear-gradient(135deg,#ef4444,#f87171) }
.av-8 { background: linear-gradient(135deg,#84cc16,#a3e635) }

/* ===== 训练页 ===== */
.train-layout { position: fixed; inset: 0; z-index: 300; background: var(--bg);
    display: flex; flex-direction: column; height: 100vh; height: 100dvh }
.train-hdr { display: flex; align-items: center; padding: 8px 14px; background: var(--s);
    border-bottom: 1px solid var(--b); gap: 12px; flex-shrink: 0 }
.train-hdr .back { cursor: pointer; font-size: 20px; color: var(--t); padding: 4px 8px;
    border-radius: var(--radius-sm); transition: var(--transition) }
.train-hdr .back:hover { background: var(--b2) }
.t-title { font-weight: 600; font-size: 14px; color: var(--t); flex: 1 }
.t-timer { font-size: 13px; color: var(--t2); font-variant-numeric: tabular-nums }
.train-body { display: flex; flex: 1; overflow: hidden }

/* ===== 聊天区 ===== */
.chat-zone { flex: 1; overflow-y: auto; padding: 10px 14px max(100px, calc(180px + env(safe-area-inset-bottom,0px)));
    display: flex; flex-direction: column; gap: 10px; min-width: 0 }
.bubble { max-width: 75%; padding: 10px 14px; border-radius: var(--radius-lg); font-size: 13px;
    line-height: 1.6; word-break: break-word; animation: fadeIn .2s ease; position: relative }
.bubble-you { align-self: flex-start; background: var(--s); border: 1px solid var(--b); border-bottom-left-radius: 4px }
.bubble-me { align-self: flex-end; background: var(--p); color: #fff; border-bottom-right-radius: 4px }
.bubble-coach { align-self: flex-start; background: var(--co-bg); border: 1px solid var(--co-b);
    border-bottom-left-radius: 4px; font-size: 12px }
.bubble-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 4px; gap: 8px }
.bubble-time { font-size: 10px; opacity: .6 }
.bubble-tag { font-size: 9px; padding: 1px 6px; border-radius: 3px; font-weight: 600; white-space: nowrap }
.bubble-tag.global-pass { background: rgba(22,163,74,.15); color: var(--success) }
.bubble-tag.auto-pass { background: rgba(99,102,241,.15); color: var(--p) }

/* ===== 打字动画 ===== */
.typing-dots { display: flex; gap: 4px; padding: 9px 14px; align-self: flex-start }
.typing-dots span { width: 7px; height: 7px; border-radius: 50%; background: var(--t3);
    animation: dotBounce 1.4s ease-in-out infinite both }
.typing-dots span:nth-child(1) { animation-delay: -.32s }
.typing-dots span:nth-child(2) { animation-delay: -.16s }

/* ===== 右侧面板 ===== */
.r-panel { width: 220px; padding: 12px; background: var(--s); border-left: 1px solid var(--b);
    overflow-y: auto; display: flex; flex-direction: column; gap: 8px; flex-shrink: 0 }
.r-card { background: var(--b2); border-radius: var(--radius-sm); padding: 10px }
.r-card-ttl { font-size: 11px; color: var(--t2); margin-bottom: 4px; font-weight: 500 }
.r-card-val { font-size: 18px; font-weight: 700; color: var(--t) }
.r-card-sm { font-size: 11px; color: var(--t2); line-height: 1.5 }
.r-card .sop-bar { height: 4px; background: var(--b); border-radius: 2px; margin-top: 6px; overflow: hidden }
.r-card .sop-bar-fill { height: 100%; background: var(--p); border-radius: 2px; transition: width .3s }
.global-node-row { display: flex; justify-content: space-between; align-items: center; font-size: 11px;
    padding: 3px 0 }
.global-node-row .gn-pass { color: var(--success); font-weight: 600 }
.global-node-row .gn-pending { color: var(--t3) }

/* ===== 快捷话术栏 ===== */
.quick-row { display: flex; gap: 6px; padding: 8px 14px; overflow-x: auto; flex-shrink: 0;
    background: var(--s); border-top: 1px solid var(--b); flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch }
.quick-row::-webkit-scrollbar { height: 3px }
.quick-pill { padding: 4px 10px; border-radius: 14px; background: var(--p-g); color: var(--p);
    font-size: 11px; cursor: pointer; white-space: nowrap; transition: var(--transition);
    border: 1px solid transparent; flex-shrink: 0 }
.quick-pill:hover { background: var(--p-g2); border-color: var(--p) }
.quick-pill:active { transform: scale(.95) }
.quick-more { padding: 4px 10px; font-size: 11px; color: var(--t2); cursor: pointer; white-space: nowrap;
    flex-shrink: 0 }
.quick-tag-label { font-size: 9px; padding: 1px 5px; border-radius: 10px; background: var(--b2);
    color: var(--t3); flex-shrink: 0; white-space: nowrap; cursor: pointer; transition: var(--transition) }
.quick-tag-label:hover { background: var(--p-g); color: var(--p) }

/* ===== 输入栏 ===== */
.chat-bar { display: flex; align-items: center; gap: 8px; padding: 10px 14px; background: var(--s);
    border-top: 1px solid var(--b); flex-shrink: 0; padding-bottom: calc(10px + env(safe-area-inset-bottom,0px)) }
.chat-bar textarea { flex: 1; padding: 10px 14px; border: 1px solid var(--b); border-radius: var(--radius-lg);
    font-family: var(--font); font-size: 13px; color: var(--t); background: var(--b2);
    resize: none; outline: none; max-height: 100px; line-height: 1.5; transition: var(--transition) }
.chat-bar textarea:focus { border-color: var(--p); box-shadow: 0 0 0 3px var(--p-g) }
.send-btn { width: 38px; height: 38px; border-radius: 50%; background: var(--p); color: #fff;
    border: none; font-size: 18px; cursor: pointer; transition: var(--transition); flex-shrink: 0;
    display: flex; align-items: center; justify-content: center }
.send-btn:hover { background: var(--p-l); transform: scale(1.05) }
.send-btn:active { transform: scale(.95) }
.end-btn { flex-shrink: 0 }

/* ===== 合并指示器 ===== */
.merge-indicator { position: absolute; top: -22px; left: 14px; font-size: 10px; color: var(--p);
    opacity: 0; transition: opacity .2s; pointer-events: none }

/* ===== 回放页 ===== */
.replay-layout { display: flex; gap: 16px }
.replay-timeline { width: 180px; max-height: 50vh; overflow-y: auto; flex-shrink: 0 }
.replay-timeline-item { padding: 6px 10px; border-radius: var(--radius-sm); cursor: pointer;
    font-size: 11px; color: var(--t2); transition: var(--transition); margin-bottom: 4px }
.replay-timeline-item:hover { background: var(--b2); color: var(--t) }
.replay-timeline-item.active { background: var(--p-g); color: var(--p); font-weight: 600 }
.replay-chat { flex: 1; max-height: 50vh; overflow-y: auto; display: flex; flex-direction: column; gap: 8px }

/* ===== VOC 树 ===== */
.voc-tree { font-size: 12px }
.voc-tree-item { padding: 6px 10px; cursor: pointer; border-radius: var(--radius-sm);
    transition: var(--transition); color: var(--t) }
.voc-tree-item:hover { background: var(--b2) }
.voc-tree-item.active { background: var(--p-g); color: var(--p); font-weight: 600 }
.voc-tree-section { font-weight: 600; font-size: 11px; color: var(--t3); padding: 8px 10px 4px;
    text-transform: uppercase; letter-spacing: .5px }

/* ===== 训练入口模态框 ===== */
.train-entry-mode { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-bottom: 16px }
.train-entry-card { background: var(--b2); border-radius: var(--radius); padding: 16px; text-align: center;
    cursor: pointer; border: 2px solid transparent; transition: var(--transition) }
.train-entry-card:hover { border-color: var(--p); background: var(--p-g) }
.train-entry-card.selected { border-color: var(--p); background: var(--p-g) }
.train-entry-ico { font-size: 28px; margin-bottom: 6px }
.train-entry-name { font-weight: 600; font-size: 13px; color: var(--t) }
.train-entry-desc { font-size: 11px; color: var(--t2); margin-top: 4px }

/* ===== 级联导航 ===== */
.cascade-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px }
.cascade-link { padding: 4px 10px; border-radius: var(--radius-sm); cursor: pointer; font-size: 12px;
    color: var(--t2); background: var(--b2); transition: var(--transition) }
.cascade-link:hover { background: var(--p-g); color: var(--p) }
.cascade-link.selected { background: var(--p); color: #fff }
.cascade-breadcrumb { font-size: 11px; color: var(--t3); margin-bottom: 8px; display: flex;
    flex-wrap: wrap; gap: 4px; align-items: center }
.cascade-breadcrumb span { cursor: pointer; color: var(--p) }

/* ═══════════════════════════════════════════ */
/* 🆕 知识库页面                             */
/* ═══════════════════════════════════════════ */
.kb-layout { display: flex; gap: 0; height: calc(100vh - 120px); height: calc(100dvh - 120px); overflow: hidden }

/* 知识库左侧 VOC 树 */
.kb-tree { width: 220px; flex-shrink: 0; overflow-y: auto; border-right: 1px solid var(--b);
    padding: 8px; background: var(--s) }
.kb-tree-search { margin-bottom: 8px }
.kb-tree-search input { width: 100%; padding: 6px 10px; border: 1px solid var(--b); border-radius: var(--radius-sm);
    font-size: 12px; background: var(--b2); color: var(--t); outline: none; font-family: var(--font) }
.kb-tree-search input:focus { border-color: var(--p) }

/* 知识库右侧主区 */
.kb-main { flex: 1; overflow-y: auto; padding: 12px 16px; display: flex; flex-direction: column; gap: 12px }

/* 搜索 + 筛选栏 */
.kb-toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap }
.kb-search { flex: 1; min-width: 180px }
.kb-search input { width: 100%; padding: 8px 12px; border: 1px solid var(--b); border-radius: var(--radius);
    font-size: 13px; background: var(--s); color: var(--t); outline: none; font-family: var(--font) }
.kb-search input:focus { border-color: var(--p); box-shadow: 0 0 0 3px var(--p-g) }
.kb-filter-row { display: flex; gap: 6px; flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px;
    -webkit-overflow-scrolling: touch }
.kb-filter-row::-webkit-scrollbar { height: 3px }
.kb-filter-select { padding: 7px 10px; border: 1px solid var(--b); border-radius: var(--radius-sm);
    font-size: 12px; background: var(--s); color: var(--t); cursor: pointer; outline: none;
    font-family: var(--font); white-space: nowrap }
.kb-filter-select:focus { border-color: var(--p) }

/* 统计行 */
.kb-stats { font-size: 12px; color: var(--t2); display: flex; gap: 16px; flex-wrap: wrap }
.kb-stats strong { color: var(--t) }

/* 节点列表 — Notion 风格 */
.kb-node-list { display: flex; flex-direction: column; gap: 0 }

.kb-node-row { display: flex; align-items: center; gap: 10px; padding: 10px 12px;
    border-bottom: 1px solid var(--b); cursor: pointer; transition: var(--transition);
    font-size: 13px; color: var(--t) }
.kb-node-row:hover { background: var(--b2) }
.kb-node-row:first-child { border-top: 1px solid var(--b) }

.kb-node-check { width: 16px; height: 16px; border-radius: 3px; border: 2px solid var(--b);
    flex-shrink: 0; transition: var(--transition); position: relative }
.kb-node-check.checked { background: var(--p); border-color: var(--p) }
.kb-node-check.checked::after { content: '✓'; position: absolute; inset: 0; display: flex;
    align-items: center; justify-content: center; color: #fff; font-size: 10px; font-weight: 700 }

.kb-node-order { width: 28px; text-align: center; color: var(--t3); font-size: 11px; flex-shrink: 0;
    font-variant-numeric: tabular-nums }
.kb-node-label { flex: 1; font-weight: 500; min-width: 0; overflow: hidden; white-space: nowrap;
    text-overflow: ellipsis }
.kb-node-type { font-size: 10px; padding: 2px 6px; border-radius: 4px; font-weight: 600;
    white-space: nowrap; flex-shrink: 0 }
.kb-node-type.sequential { background: #dbeafe; color: #2563eb }
.kb-node-type.global { background: #fef3c7; color: #d97706 }
.kb-node-match { font-size: 10px; color: var(--t3); white-space: nowrap; flex-shrink: 0; width: 50px }
.kb-node-scene { font-size: 11px; color: var(--t2); white-space: nowrap; flex-shrink: 0; max-width: 120px;
    overflow: hidden; text-overflow: ellipsis }
.kb-node-hint { font-size: 11px; color: var(--t2); white-space: nowrap; flex-shrink: 0; max-width: 200px;
    overflow: hidden; text-overflow: ellipsis }
.kb-node-status { font-size: 11px; white-space: nowrap; flex-shrink: 0 }
.kb-node-status.ok { color: var(--success) }
.kb-node-status.warn { color: var(--warn); font-weight: 500 }
.kb-node-status.expired { color: var(--danger); font-weight: 600 }
.kb-node-actions { display: flex; gap: 4px; flex-shrink: 0 }

/* 节点详情展开 */
.kb-node-detail { display: none; padding: 10px 12px 14px 56px; border-bottom: 1px solid var(--b);
    background: var(--b2); font-size: 12px; color: var(--t2); line-height: 1.7 }
.kb-node-detail.show { display: block }
.kb-node-detail-section { margin-top: 8px }
.kb-node-detail-section .lbl { font-weight: 600; color: var(--t); font-size: 11px; margin-bottom: 4px }
.kb-node-detail .hint-box { background: var(--s); border: 1px solid var(--b); border-radius: var(--radius-sm);
    padding: 8px 10px; font-family: 'SF Mono','Fira Code',monospace; font-size: 12px; white-space: pre-wrap;
    line-height: 1.6 }
.kb-node-detail .hint-box .placeholder-highlight { background: var(--p-g); color: var(--p);
    padding: 1px 3px; border-radius: 3px; font-weight: 600 }

/* 批量操作栏 */
.kb-batch-bar { display: flex; gap: 8px; align-items: center; padding: 10px 12px;
    background: var(--s); border-radius: var(--radius); box-shadow: var(--sh); flex-shrink: 0 }
.kb-batch-bar .selected-count { font-size: 12px; color: var(--t2) }
.kb-batch-bar .selected-count strong { color: var(--p) }

/* ===== 🆕 抽屉（SOP 编辑器 / 人设编辑器） ===== */
.drawer-over { position: fixed; inset: 0; z-index: 600; background: rgba(0,0,0,.4);
    display: none; backdrop-filter: blur(2px) }
.drawer-over.show { display: flex; justify-content: flex-end }
.drawer { background: var(--s); width: 480px; max-width: 100vw; height: 100vh; height: 100dvh;
    overflow-y: auto; box-shadow: -4px 0 24px rgba(0,0,0,.1);
    animation: slideInRight .25s ease; display: flex; flex-direction: column }
@keyframes slideInRight { from { transform: translateX(100%) } to { transform: translateX(0) } }
.drawer-hdr { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px;
    border-bottom: 1px solid var(--b); flex-shrink: 0 }
.drawer-hdr h3 { font-size: 16px; color: var(--t) }
.drawer-body { flex: 1; overflow-y: auto; padding: 16px 20px 24px }
.drawer-footer { padding: 12px 20px; border-top: 1px solid var(--b); display: flex; gap: 8px;
    justify-content: flex-end; flex-shrink: 0 }
.sop-drawer-section { margin-bottom: 16px }
.sop-drawer-section-label { font-size: 11px; color: var(--t3); text-transform: uppercase;
    letter-spacing: .5px; margin-bottom: 6px; font-weight: 600 }
.sop-drawer-radio-group { display: flex; gap: 12px }
.sop-drawer-radio { display: flex; align-items: center; gap: 6px; cursor: pointer; font-size: 13px;
    color: var(--t) }
.sop-drawer-radio input { accent-color: var(--p) }
.sop-drawer-hint-textarea { width: 100%; min-height: 120px; padding: 10px 12px;
    border: 1px solid var(--b); border-radius: var(--radius-sm); font-family: 'SF Mono','Fira Code',monospace;
    font-size: 13px; line-height: 1.7; color: var(--t); background: var(--b2);
    resize: vertical; outline: none }
.sop-drawer-hint-textarea:focus { border-color: var(--p); box-shadow: 0 0 0 3px var(--p-g) }
.sop-drawer-hint-info { font-size: 11px; color: var(--t3); margin-top: 4px; display: flex; gap: 12px;
    flex-wrap: wrap; align-items: center }
.sop-drawer-hint-info .var-badge { background: var(--p-g); color: var(--p); padding: 1px 6px;
    border-radius: 4px; font-size: 11px; font-weight: 500; font-family: monospace }
.sop-drawer-preview { background: var(--co-bg); border: 1px solid var(--co-b); border-radius: var(--radius-sm);
    padding: 10px 12px; font-size: 13px; line-height: 1.6; color: var(--t); margin-top: 8px }
.sop-drawer-preview-label { font-size: 10px; color: var(--success); margin-bottom: 4px; font-weight: 600;
    text-transform: uppercase; letter-spacing: .5px }
.sop-drawer-preview .highlight-var { background: var(--p-g); color: var(--p); padding: 1px 3px;
    border-radius: 3px; font-weight: 600 }

/* 精确匹配警告 */
.sop-exact-warning { background: #fef3c7; border: 1px solid #f59e0b; border-radius: var(--radius-sm);
    padding: 8px 10px; font-size: 12px; color: #92400e; margin-top: 8px; display: none }
.sop-exact-warning.show { display: block }

/* 过期设置行 */
.sop-expiry-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap }
.sop-expiry-row select, .sop-expiry-row input { padding: 8px 10px; border: 1px solid var(--b);
    border-radius: var(--radius-sm); font-size: 13px; background: var(--s); color: var(--t);
    outline: none; font-family: var(--font) }
.sop-expiry-row input[type="date"] { width: 150px }

/* ===== 🆕 进度条通用组件 ===== */
.progress-bar { height: 6px; background: var(--b); border-radius: 3px; overflow: hidden; margin: 6px 0 }
.progress-bar-fill { height: 100%; background: var(--p); border-radius: 3px; transition: width .3s }
.progress-bar-fill.success { background: var(--success) }
.progress-bar-fill.warn { background: var(--warn) }

/* ===== 🆕 观察模式横幅 ===== */
.observe-banner { background: var(--p-g); border-bottom: 2px solid var(--p); padding: 6px 14px;
    font-size: 12px; color: var(--p); font-weight: 500; text-align: center; display: none }
.observe-banner.show { display: block }

/* ===== 🆕 过期节点提醒 ===== */
.expiry-tag { display: inline-flex; align-items: center; gap: 3px; font-size: 10px; padding: 2px 6px;
    border-radius: 4px; font-weight: 600 }
.expiry-tag.warn { background: #fef3c7; color: #92400e }
.expiry-tag.block { background: #fee2e2; color: #991b1b }

/* ═══════════════════════════════════════════ */
/* 移动端                                  */
/* ═══════════════════════════════════════════ */
@media (max-width: 768px) {
    /* 登录页 */
    .login-split { flex-direction: column }
    .login-left { padding: 24px 20px; flex: unset }
    .login-left .login-features { display: none }
    .login-logo { font-size: 40px }
    .login-h1 { font-size: 22px }
    .login-sub { font-size: 13px; margin-bottom: 16px }
    .login-right { flex: unset; padding: 24px 22px 40px }
    .login-right-logo { font-size: 36px }
    .login-right-h1 { font-size: 18px }

    /* 侧边栏 */
    .sidebar { position: fixed; left: 0; top: 0; width: var(--sidebar-w); height: 100vh;
        height: 100dvh; z-index: 101; transform: translateX(-100%); transition: transform var(--transition) }
    .sidebar.open { transform: translateX(0) }
    .sb-overlay.show { display: block }
    #btnCloseSb { display: inline-flex }
    .tb-menu { display: inline-flex }

    /* 内容 */
    .content { padding: 10px 12px 90px }
    .home-grid { grid-template-columns: 1fr }
    .home-stat-row { grid-template-columns: repeat(3,1fr) }
    .home-stat-val { font-size: 20px }
    .recent-item { grid-template-columns: 1fr 100px 40px; gap: 4px; padding: 6px 8px; font-size: 11px }
    .recent-time { font-size: 10px }

    /* 底部栏 */
    .bottom-bar { display: flex }

    /* 统计表格 */
    .table-wrap { margin: 0 -12px; padding: 0 12px }
    .filter-bar { flex-direction: column; align-items: stretch }
    .filter-bar .form-input, .filter-bar .form-select { width: 100%; min-width: unset }

    /* 设置 tab */
    .settings-tabs { gap: 4px }
    .settings-tab { font-size: 11px; padding: 5px 10px }

    /* 管理：用户行 */
    .user-row { gap: 6px; padding: 8px 10px }
    .user-row-actions { width: 100%; justify-content: flex-end; margin-top: 4px }

    /* 管理：VOC 级联 */
    .cascade-row { gap: 4px }
    .cascade-link { font-size: 11px; padding: 3px 8px }

    /* 管理：人设卡片 */
    .persona-card { padding: 10px }

    /* 🔥 管理：热力图表格 */
    .heat-cell { font-size: 10px; padding: 4px 2px }

    /* 训练页 */
    .train-body { flex-direction: column }
    .r-panel { display: none !important }
    .chat-zone { padding: 8px 10px max(90px, calc(160px + env(safe-area-inset-bottom,0px))) }
    .chat-bar { padding: 8px 10px; padding-bottom: calc(8px + env(safe-area-inset-bottom,0px)); gap: 6px }
    .end-btn { padding: 4px 8px; font-size: 10px }
    .quick-row { padding: 6px 10px }
    .quick-pill { font-size: 10px; padding: 3px 8px }
    .bubble { font-size: 12px; max-width: 85% }

    /* 模态框 */
    .modal-wide { width: 96vw }
    .replay-layout { flex-direction: column }
    .replay-timeline { width: 100%; max-height: 120px; display: flex; gap: 6px; overflow-x: auto }
    .replay-timeline-item { white-space: nowrap; flex-shrink: 0 }

    /* 排行榜 */
    .lb-top3 { flex-wrap: wrap; gap: 10px }
    .lb-card.rank1 { transform: none; order: 1 }
    .lb-card.rank2 { order: 2 }
    .lb-card.rank3 { order: 3 }

    /* 训练入口 */
    .train-entry-mode { grid-template-columns: 1fr }

    /* 顶部栏用户信息 */
    .tb-nickname { display: none }
    .tb-role-tag { display: none }

    /* ===== 🆕 知识库移动端 ===== */
    .kb-layout { flex-direction: column; height: auto }
    .kb-tree { width: 100%; border-right: none; border-bottom: 1px solid var(--b);
        max-height: 40vh; flex-shrink: 0 }
    .kb-main { padding: 8px 10px }
    .kb-toolbar { flex-direction: column; gap: 8px }
    .kb-search { width: 100% }
    .kb-filter-row { width: 100% }
    .kb-node-row { padding: 8px 6px; gap: 6px; font-size: 11px }
    .kb-node-hint { display: none }
    .kb-node-scene { max-width: 80px }
    .kb-node-match { width: 40px; font-size: 9px }
    .kb-node-detail { padding-left: 20px }
    .kb-node-actions { gap: 2px }
    .kb-batch-bar { flex-direction: column; align-items: stretch; gap: 6px }

    /* 🆕 抽屉全屏 */
    .drawer { width: 100vw }
    .sop-drawer-radio-group { flex-direction: column; gap: 8px }
    .sop-expiry-row { flex-direction: column; align-items: stretch }
}

/* iPhone 小屏 (320-374px) */
@media (max-width: 374px) {
    .login-right { padding: 16px 14px 32px }
    .home-stat-row { grid-template-columns: repeat(2,1fr) }
    .home-stat-val { font-size: 18px }
    .settings-tab { font-size: 10px; padding: 4px 8px }
    .recent-item { grid-template-columns: 1fr 80px 35px; font-size: 10px }
    .chat-bar textarea { font-size: 11px; padding: 8px 10px }
    .send-btn { width: 32px; height: 32px; font-size: 16px }
}

/* ===== 打印导出优化 ===== */
@media print {
    .sidebar, .topbar, .bottom-bar, .chat-bar { display: none !important }
    .content { padding: 0 }
    .tbl { font-size: 10px }
}