/* AI 翻译 - 全站样式 · Apple 极简风 */
:root {
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --accent-press: #006edb;
  --accent-soft: rgba(0, 113, 227, 0.1);
  --ring: rgba(0, 113, 227, 0.18);
  --bg: #f5f5f7;
  --card: #ffffff;
  --panel-bg: #fafafc;
  --field-bg: #ffffff;
  --track: #e8e8ed;
  --text: #1d1d1f;
  --muted: #86868b;
  --placeholder: #aeaeb2;
  --border: #d2d2d7;
  --hairline: rgba(0, 0, 0, 0.07);
  --header-bg: rgba(251, 251, 253, 0.82);
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 28px rgba(0, 0, 0, 0.05);
  --shadow-modal: 0 12px 48px rgba(0, 0, 0, 0.18);
  --err-bg: #fef1f0;
  --err-text: #d70015;
  --err-border: rgba(215, 0, 21, 0.18);
  --ok-bg: #f0faf3;
  --ok-text: #1d7a3a;
  --ok-border: rgba(52, 199, 89, 0.22);
  --code-bg: rgba(0, 113, 227, 0.08);
  --hl-soft: rgba(0, 113, 227, 0.08);
  --hl-strong: rgba(0, 113, 227, 0.13);
  --overlay: rgba(0, 0, 0, 0.36);
  --danger: #d70015;
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent: #0a84ff;
    --accent-hover: #1a8fff;
    --accent-press: #0077ed;
    --accent-soft: rgba(10, 132, 255, 0.16);
    --ring: rgba(10, 132, 255, 0.28);
    --bg: #000000;
    --card: #1c1c1e;
    --panel-bg: #161617;
    --field-bg: #1c1c1e;
    --track: #2c2c2e;
    --text: #f5f5f7;
    --muted: #98989d;
    --placeholder: #636366;
    --border: #3a3a3c;
    --hairline: rgba(255, 255, 255, 0.1);
    --header-bg: rgba(22, 22, 23, 0.78);
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 28px rgba(0, 0, 0, 0.35);
    --shadow-modal: 0 12px 48px rgba(0, 0, 0, 0.6);
    --err-bg: rgba(255, 69, 58, 0.12);
    --err-text: #ff6961;
    --err-border: rgba(255, 69, 58, 0.3);
    --ok-bg: rgba(48, 209, 88, 0.12);
    --ok-text: #63e58b;
    --ok-border: rgba(48, 209, 88, 0.3);
    --code-bg: rgba(10, 132, 255, 0.16);
    --hl-soft: rgba(10, 132, 255, 0.14);
    --hl-strong: rgba(10, 132, 255, 0.22);
    --overlay: rgba(0, 0, 0, 0.55);
    --danger: #ff6961;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
    "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: -0.01em;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background 0.25s ease, color 0.25s ease;
}

::selection { background: var(--accent-soft); }

.container {
  width: 100%;
  max-width: var(--cw, 1080px);
  margin: 0 auto;
  padding: 0 24px;
  transition: max-width 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* 翻译完成后切入宽屏态：仅改容器宽度变量，随上方过渡平滑扩展，不闪屏 */
body.wide { --cw: 1520px; }

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

/* ---------- 头部 ---------- */
.site-header {
  background: var(--header-bg);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.logo { display: flex; align-items: center; gap: 9px; font-weight: 600; font-size: 16px; letter-spacing: -0.02em; }
.logo-mark {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  background: var(--text);
  color: var(--bg); border-radius: 8px;
  font-size: 14px; font-weight: 600;
}
.nav-admin {
  color: var(--muted); font-size: 13.5px; text-decoration: none;
  padding: 6px 14px; border-radius: 980px;
  transition: color 0.2s, background 0.2s;
}
.nav-admin:hover { color: var(--text); background: var(--track); }
.header-actions { display: flex; align-items: center; gap: 8px; }

/* ---------- 首页 ---------- */
.hero { text-align: center; margin: 64px 0 36px; }
.hero h1 {
  font-size: 40px; font-weight: 700; letter-spacing: -0.03em;
  line-height: 1.15;
}
.hero p { color: var(--muted); margin-top: 10px; font-size: 16px; letter-spacing: 0; }

.translate-card {
  background: var(--card);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-card);
}

.lang-bar { display: flex; align-items: flex-end; gap: 12px; margin-bottom: 16px; }
.lang-field { flex: 1; }
.lang-field label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 6px; font-weight: 500; }
.lang-field select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  background: var(--field-bg);
  color: var(--text);
  font-size: 14.5px;
  font-family: inherit;
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%2386868b' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.lang-field select:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--ring); }

.swap-btn {
  width: 40px; height: 40px; flex: none;
  display: grid; place-items: center;
  border: 1px solid var(--hairline);
  border-radius: 50%;
  background: var(--field-bg);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.25s ease;
}
.swap-btn:hover { color: var(--accent); background: var(--accent-soft); border-color: transparent; transform: rotate(180deg); }

.panels { display: grid; grid-template-columns: var(--srcW, 1fr) 1fr; gap: 14px; }
.panel {
  display: flex; flex-direction: column;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  background: var(--panel-bg);
  min-height: 250px;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s, min-height 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.panel:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px var(--ring); background: var(--card); }
.panel textarea {
  flex: 1;
  border: none; outline: none; resize: none;
  background: transparent;
  padding: 16px;
  font: inherit; font-size: 15px; line-height: 1.7;
  color: var(--text);
  min-height: 200px;
  word-break: break-word;
  position: relative; z-index: 1;
  transition: min-height 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.panel textarea::placeholder { color: var(--placeholder); }
.result-text {
  flex: 1;
  padding: 16px;
  font-size: 15px; line-height: 1.7;
  white-space: pre-wrap; word-break: break-word;
  min-height: 200px;
  overflow-y: auto;
  transition: min-height 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.result-text.placeholder { color: var(--placeholder); }
.result-text.cursor:empty::after,
.result-text.cursor .rl:last-child::after {
  content: "▍";
  color: var(--accent);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.panel-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 10px 6px 16px;
  border-top: 1px solid var(--hairline);
  font-size: 12px;
  color: var(--muted);
}

.btn-ghost {
  background: transparent; border: none;
  color: var(--muted); font-size: 13px;
  padding: 4px 12px; border-radius: 980px;
  cursor: pointer; font-family: inherit;
  transition: all 0.2s;
}
.btn-ghost:hover { color: var(--accent); background: var(--accent-soft); }
.btn-ghost svg { vertical-align: -2px; margin-right: 5px; }

.translate-card > .btn-primary { display: block; margin: 20px auto 2px; min-width: 200px; }

.error-box {
  margin-top: 14px;
  padding: 11px 16px;
  background: var(--err-bg); color: var(--err-text);
  border: 1px solid var(--err-border);
  border-radius: 12px;
  font-size: 13px;
}

/* ---------- 按钮 ---------- */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff; border: none;
  border-radius: 980px;
  padding: 11px 36px;
  font-size: 15px; font-weight: 500;
  font-family: inherit;
  letter-spacing: 0;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s, opacity 0.2s;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:active { background: var(--accent-press); transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-primary.block { display: block; width: 100%; }

.btn-secondary {
  background: var(--track);
  border: none;
  color: var(--text);
  border-radius: 980px;
  padding: 9px 20px;
  font-size: 13.5px; font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-secondary:hover { background: var(--border); }
.btn-secondary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-row { display: flex; gap: 10px; margin-top: 8px; flex-wrap: wrap; }

/* ---------- 后台页 ---------- */
.admin-main { padding: 32px 0 10px; flex: 1; }
main.container { flex: 1; padding-top: 8px; padding-bottom: 8px; }

.card {
  background: var(--card);
  border-radius: 18px;
  padding: 26px 28px;
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
}
.card h2 {
  font-size: 18px; font-weight: 600; letter-spacing: -0.02em;
  margin-bottom: 18px;
  display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
}
.card h2 .muted.small { font-weight: 400; }
.card.narrow { max-width: 400px; margin: 72px auto; }
.card.narrow h2 { font-size: 22px; margin-bottom: 8px; }
.card.narrow > .muted { margin-bottom: 22px; font-size: 13.5px; }

.form-row { margin-bottom: 16px; }
.form-row > label {
  display: block;
  font-size: 13px; font-weight: 500;
  color: var(--muted);
  margin-bottom: 6px;
}
.form-row input[type="text"],
.form-row input[type="password"],
.form-row input[type="number"],
.form-row textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  background: var(--field-bg);
  color: var(--text);
  font-size: 14.5px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-row textarea { line-height: 1.6; resize: vertical; }
.form-row input:focus, .form-row textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--ring); }
.form-row input::placeholder, .form-row textarea::placeholder { color: var(--placeholder); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }

.checkbox-row { display: flex; align-items: center; gap: 8px; padding-top: 26px; font-size: 14px; cursor: pointer; user-select: none; color: var(--text); }
.checkbox-row input { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }

.hint { font-size: 12.5px; color: var(--muted); margin-top: 6px; line-height: 1.7; }
.hint code {
  background: var(--code-bg); color: var(--accent);
  padding: 1px 6px; border-radius: 5px;
  font-size: 12px;
}
.link-btn {
  background: none; border: none; padding: 0;
  color: var(--accent); font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: opacity 0.2s;
}
.link-btn:hover { text-decoration: underline; }
.link-btn.danger { color: var(--danger); }

.msg-box { margin-top: 14px; padding: 11px 16px; border-radius: 12px; font-size: 13px; }
.msg-ok { background: var(--ok-bg); color: var(--ok-text); border: 1px solid var(--ok-border); }
.msg-err { background: var(--err-bg); color: var(--err-text); border: 1px solid var(--err-border); }

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: 48px;
  padding: 24px 0;
  border-top: 1px solid var(--hairline);
  color: var(--muted);
  font-size: 12.5px;
  text-align: center;
}

/* ---------- 翻译模式切换（iOS 分段控件） ---------- */
.mode-bar { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.mode-switch {
  display: inline-flex;
  background: var(--track);
  border-radius: 980px;
  padding: 3px;
  gap: 0;
}
.mode-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 500;
  font-family: inherit;
  padding: 7px 22px;
  border-radius: 980px;
  cursor: pointer;
  transition: all 0.22s ease;
}
.mode-btn:hover { color: var(--text); }
.mode-btn.active {
  background: var(--card);
  color: var(--text);
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12), 0 0 0 0.5px var(--hairline);
}
.mode-desc { font-size: 12.5px; color: var(--muted); }

/* ---------- 重点词汇 ---------- */
.keywords-box {
  padding: 14px 16px 16px;
  border-top: 1px solid var(--hairline);
  background: var(--panel-bg);
  border-radius: 0 0 14px 14px;
}
.keywords-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.keywords-list { display: grid; grid-template-columns: 1fr; }
.kw-item {
  display: block;
  padding: 10px 2px;
  border-bottom: 1px solid var(--hairline);
  font-size: 13.5px;
  line-height: 1.65;
}
.kw-item:last-child { border-bottom: none; }
.kw-term { font-weight: 600; color: var(--text); }
.kw-term::after { content: "·"; margin: 0 8px; color: var(--border); font-weight: 400; }
.kw-expl { color: var(--muted); }

/* ---------- 后台 profile 区块 ---------- */
.profile-block {
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 18px;
  background: var(--panel-bg);
}
.profile-block .btn-row { margin-top: 4px; }

/* ---------- 加载动画 ---------- */
.loading-box {
  display: flex; align-items: center; gap: 12px;
  padding: 20px;
  color: var(--muted); font-size: 14px;
}
.loading-box.cont { padding: 8px 20px 14px; font-size: 13px; }
.loader-dots { display: inline-flex; gap: 5px; }
.loader-dots span {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  animation: dot-bounce 1.2s ease-in-out infinite;
}
.loader-dots span:nth-child(2) { animation-delay: 0.15s; }
.loader-dots span:nth-child(3) { animation-delay: 0.3s; }
@keyframes dot-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-5px); opacity: 1; }
}

.checkbox-row.solo { padding-top: 0; }

/* ---------- 图片翻译 ---------- */
.src-toolbar { display: flex; align-items: center; gap: 10px; padding: 10px 12px 0; }
.img-preview { padding: 12px; display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.img-preview img {
  max-width: 100%; max-height: 340px;
  border-radius: 10px; border: 1px solid var(--hairline);
  background: var(--card); object-fit: contain;
}
.panel.has-image textarea { display: none; }
.panel.dragover { border-color: var(--accent); background: var(--accent-soft); }

/* ---------- 响应式 ---------- */
@media (max-width: 760px) {
  .hero { margin: 40px 0 24px; }
  .hero h1 { font-size: 28px; }
  .hero p { font-size: 14px; }
  .panels { grid-template-columns: 1fr; }
  .lang-bar { flex-wrap: wrap; }
  .lang-field { flex: 1 1 40%; }
  .swap-btn { order: 3; margin: 0 auto; transform: rotate(90deg); }
  .swap-btn:hover { transform: rotate(270deg); }
  .form-grid { grid-template-columns: 1fr; gap: 0; }
  .checkbox-row { padding-top: 0; }
  .translate-card { padding: 16px; border-radius: 16px; }
  .card { padding: 20px; }
  .mode-bar { flex-direction: column; align-items: stretch; }
  .mode-switch { display: flex; }
  .mode-btn { flex: 1; }
  .profile-block { padding: 14px; }
}

/* ---------- 宽屏适配 ---------- */
@media (min-width: 1200px) {
  .hero { margin: 72px 0 40px; }
  .hero h1 { font-size: 48px; }
  .hero p { font-size: 17px; }
  .translate-card { padding: 28px; border-radius: 22px; }
  .lang-bar { margin-bottom: 18px; }
  .panels { gap: 16px; }
  .panel { min-height: 400px; }
  .panel textarea, .result-text { min-height: 330px; font-size: 16px; padding: 20px; }
  .panel-footer { padding: 8px 12px 8px 20px; font-size: 12.5px; }
  .keywords-box { padding: 16px 20px 18px; }
  .translate-card > .btn-primary { margin: 24px auto 4px; min-width: 220px; padding: 12px 44px; font-size: 16px; }
  .card { padding: 30px 34px; }
}

@media (min-width: 1900px) {
  .container { --cw: 1280px; }
  body.wide .container { --cw: 1760px; }
}

/* 宽屏态下内容区更高，显示更多译文 */
@media (min-width: 760px) {
  body.wide .panel { min-height: 420px; }
  body.wide .panel textarea, body.wide .result-text { min-height: 350px; }
}
@media (min-width: 1900px) {
  body.wide .panel { min-height: 480px; }
  body.wide .panel textarea, body.wide .result-text { min-height: 400px; }
}

/* ---------- 原文句悬停 → 高亮译文对应句 ---------- */
.src-edit-wrap { position: relative; flex: 1; display: flex; }
.src-hl-layer { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.src-hl {
  position: absolute;
  border-radius: 6px;
  background: var(--hl-soft);
}
.src-hl.first { box-shadow: inset 2.5px 0 0 var(--accent); }
.src-mirror {
  position: absolute; inset: 0; z-index: 0;
  visibility: hidden; pointer-events: none;
  white-space: pre-wrap; word-break: break-word;
}
.result-text .rl { display: block; }
.result-text .rl-empty { height: 1.7em; }
.result-text .rs { border-radius: 4px; }
.result-text .rs.hl {
  background: var(--hl-strong);
  box-shadow: inset 2.5px 0 0 var(--accent);
}

/* ---------- 多接口主备 ---------- */
.iface-block {
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 14px 14px 4px;
  margin-bottom: 12px;
  background: var(--card);
}
.iface-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.iface-badge {
  flex: none; font-size: 11.5px; padding: 3px 12px; border-radius: 980px;
  background: var(--track); color: var(--muted); font-weight: 500;
}
.iface-badge.primary { background: var(--accent); color: #fff; }
.iface-name {
  flex: 1; min-width: 120px;
  border: 1px solid var(--hairline); border-radius: 10px;
  padding: 7px 12px; font-size: 14px;
  background: var(--field-bg); color: var(--text);
  font-family: inherit;
}
.iface-name:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--ring); outline: none; }
.iface-actions { flex: none; display: flex; gap: 12px; align-items: center; }

/* ---------- 接口列表紧凑行 + 编辑弹窗 ---------- */
.iface-row {
  display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--hairline); border-radius: 12px;
  padding: 10px 14px; margin-bottom: 8px;
  background: var(--card);
  transition: box-shadow 0.2s;
}
.iface-row:hover { box-shadow: var(--shadow-card); }
.iface-row-info { flex: 1; min-width: 0; }
.iface-row-name { font-weight: 600; font-size: 14px; }
.iface-row-sum { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.btn-secondary.small { padding: 5px 14px; font-size: 12px; }
.modal-overlay {
  position: fixed; inset: 0; z-index: 50;
  background: var(--overlay);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.modal {
  background: var(--card); border-radius: 20px;
  padding: 26px 28px;
  width: min(560px, 100%);
  max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow-modal);
}
.modal h3 { margin-bottom: 16px; font-size: 17px; font-weight: 600; letter-spacing: -0.02em; }
.modal .checkbox-row.solo { padding-top: 8px; }

/* ---------- 源面板底部工具条 / 右对齐页脚 ---------- */
.src-toolbar.bottom { padding: 0 12px 10px; }
.panel-footer.footer-end { justify-content: flex-end; gap: 12px; }

/* ---------- 源面板页脚：工具条与计数同行 ---------- */
.src-toolbar.inline { padding: 0; }
.panel-footer.src-footer { justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer-right { display: flex; align-items: center; gap: 12px; }

/* ---------- 后台：侧边栏布局 ---------- */
.admin-shell {
  flex: 1;
  display: flex;
  gap: 24px;
  padding-top: 28px;
  padding-bottom: 16px;
  align-items: flex-start;
  width: 100%;
}
.side-nav {
  flex: none;
  width: 196px;
  position: sticky;
  top: 84px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--card);
  border-radius: 18px;
  padding: 10px;
  box-shadow: var(--shadow-card);
}
.side-item {
  display: flex;
  align-items: center;
  gap: 10px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
}
.side-item svg { flex: none; opacity: 0.85; }
.side-item:hover { color: var(--text); background: var(--track); }
.side-item.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}
.admin-content { flex: 1; min-width: 0; }
.admin-view { animation: view-in 0.28s ease; }
@keyframes view-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 后台：概览统计卡片 ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.stat-card { margin-bottom: 0; padding: 22px 24px; }
.stat-num {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text);
}
.stat-label { font-size: 13px; color: var(--muted); margin-top: 6px; font-weight: 500; }
.stat-sub { margin-top: 4px; }

.iface-status { display: flex; flex-direction: column; gap: 10px; }
.iface-status-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  background: var(--panel-bg);
}
.iface-status-row .iface-status-name { font-weight: 600; font-size: 14px; flex: 1; }
.status-pill {
  flex: none;
  font-size: 12px;
  font-weight: 500;
  padding: 3px 12px;
  border-radius: 980px;
  background: var(--track);
  color: var(--muted);
}
.status-pill.ok { background: var(--ok-bg); color: var(--ok-text); }
.status-pill.bad { background: var(--err-bg); color: var(--err-text); }

.kv-list { display: flex; flex-direction: column; }
.kv-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--hairline);
  font-size: 14px;
}
.kv-row:last-child { border-bottom: none; }
.kv-key { flex: none; width: 88px; font-size: 13px; }

/* ---------- 后台：请求日志 ---------- */
.log-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.small-switch .mode-btn { padding: 5px 16px; font-size: 12.5px; }
.log-table-wrap { overflow-x: auto; }
.log-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.log-table th {
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.04em;
  padding: 8px 10px;
  border-bottom: 1px solid var(--hairline);
  white-space: nowrap;
}
.log-table td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--hairline);
  color: var(--text);
  white-space: nowrap;
}
.log-table tbody tr:last-child td { border-bottom: none; }
.log-table tbody tr:hover { background: var(--panel-bg); }
.log-tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 500;
  padding: 2px 10px;
  border-radius: 980px;
  background: var(--track);
  color: var(--muted);
}
.log-tag.quick { background: var(--accent-soft); color: var(--accent); }
.log-tag.deep { background: var(--code-bg); color: var(--accent); }
.log-tag.vision { background: var(--ok-bg); color: var(--ok-text); }
.log-tag.err { background: var(--err-bg); color: var(--err-text); }
.log-note { color: var(--muted); font-size: 12px; }
.log-empty { text-align: center; padding: 36px 0 20px; font-size: 13.5px; }

/* 后台窄屏：侧边栏收成顶部横向菜单 */
@media (max-width: 860px) {
  .admin-shell { flex-direction: column; gap: 16px; padding-top: 20px; }
  .side-nav {
    width: 100%;
    position: static;
    flex-direction: row;
    overflow-x: auto;
    padding: 6px;
    gap: 2px;
  }
  .side-item { flex: 1; justify-content: center; padding: 9px 10px; white-space: nowrap; }
  .side-item span { font-size: 13px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .stat-grid { grid-template-columns: 1fr; }
}

/* ---------- 用户管理与请求详情（PostgreSQL 持久化） ---------- */
.log-row-click { cursor: pointer; }
.log-row-click:hover { background: rgba(127, 127, 127, 0.07); }
.modal-wide { width: min(880px, calc(100vw - 48px)); }
.rec-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.rec-col { min-width: 0; }
.rec-label { font-weight: 600; font-size: 13px; margin-bottom: 6px; }
.rec-text {
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--code-bg);
  border-radius: 10px;
  padding: 10px 12px;
  max-height: 280px;
  overflow-y: auto;
  font-size: 13px;
  line-height: 1.65;
}
.rec-kw {
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--accent-soft);
  border-radius: 10px;
  padding: 10px 12px;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.65;
}
@media (max-width: 720px) {
  .rec-cols { grid-template-columns: 1fr; }
}