/* pi-mail —— agent 邮件台
   视觉语言沿用站点：暖纸底 / 衬线标题 / 等宽小标签
   CSP 合规：本文件为外链样式，页面无内联 style，无内联 script */

:root {
  --paper: #f7f3ea;
  --paper-2: #fffdf7;
  --ink: #2b2621;
  --ink-soft: #6a6157;
  --line: #ddd4c4;
  --line-strong: #c3b7a2;
  --accent: #8c5a2b;
  --accent-soft: #b98a55;
  --ok: #2f6b47;
  --ok-bg: #e8f2ea;
  --warn: #8a5a12;
  --warn-bg: #fbf1dd;
  --bad: #8c3a2e;
  --bad-bg: #f7e8e5;
  --serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", Georgia, "Times New Roman", serif;
  --mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, "Courier New", monospace;
  --sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 0 4rem;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 1.2rem; }

/* ---------- 页头 ---------- */
header.top {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fffdf7 0%, var(--paper) 100%);
  padding: 1.6rem 0 1.1rem;
  margin-bottom: 1.2rem;
}
header.top h1 {
  font-family: var(--serif);
  font-size: 1.85rem;
  font-weight: 600;
  letter-spacing: .02em;
  margin: 0;
}
header.top .sub {
  color: var(--ink-soft);
  font-size: .86rem;
  margin-top: .35rem;
  font-family: var(--mono);
}
.tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  padding: .1rem .4rem;
  margin-right: .4rem;
  background: var(--paper-2);
}

/* ---------- 状态条 ---------- */
.statusbar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: .7rem;
  margin: 0 0 1.4rem;
}
.status {
  border: 1px solid var(--line);
  border-left-width: 4px;
  border-radius: 4px;
  padding: .7rem .85rem;
  background: var(--paper-2);
}
.status.ok { border-left-color: var(--ok); background: var(--ok-bg); }
.status.warn { border-left-color: var(--warn); background: var(--warn-bg); }
.status.bad { border-left-color: var(--bad); background: var(--bad-bg); }
.status .lbl {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.status .val {
  font-family: var(--serif);
  font-size: 1.02rem;
  font-weight: 600;
  margin: .1rem 0 .2rem;
}
.status .why { font-size: .78rem; color: var(--ink-soft); line-height: 1.55; }

/* ---------- 布局 ---------- */
.cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}
@media (min-width: 900px) {
  .cols { grid-template-columns: 1fr 1fr; }
  .cols .span2 { grid-column: 1 / -1; }
}

section.card {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 5px;
  overflow: hidden;
}
section.card > h2 {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0;
  padding: .6rem .85rem;
  border-bottom: 1px solid var(--line);
  background: #faf6ee;
  letter-spacing: .02em;
}
section.card > h2 .hint {
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--ink-soft);
  font-weight: 400;
  margin-left: .5rem;
}
.card .body { padding: .5rem .85rem .85rem; }

/* ---------- agent 选择 ---------- */
.agenttabs { display: flex; flex-wrap: wrap; gap: .4rem; padding: .6rem .85rem 0; }
.agenttab {
  font-family: var(--mono);
  font-size: .76rem;
  border: 1px solid var(--line-strong);
  background: var(--paper-2);
  color: var(--ink-soft);
  border-radius: 3px;
  padding: .25rem .55rem;
  cursor: pointer;
}
.agenttab:hover { border-color: var(--accent-soft); color: var(--accent); }
.agenttab.on { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- 邮件列表 ---------- */
ul.msgs { list-style: none; margin: 0; padding: 0; max-height: 420px; overflow-y: auto; }
ul.msgs li {
  border-bottom: 1px solid var(--line);
  padding: .55rem .85rem;
  cursor: pointer;
  display: block;
}
ul.msgs li:last-child { border-bottom: none; }
ul.msgs li:hover { background: #f9f5ec; }
ul.msgs li.sel { background: #f3ead9; box-shadow: inset 3px 0 0 var(--accent); }
ul.msgs .row1 { display: flex; justify-content: space-between; gap: .6rem; align-items: baseline; }
ul.msgs .subj {
  font-family: var(--serif);
  font-weight: 600;
  font-size: .94rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
ul.msgs .when { font-family: var(--mono); font-size: .68rem; color: var(--ink-soft); flex: none; }
ul.msgs .row2 {
  font-family: var(--mono);
  font-size: .7rem;
  color: var(--ink-soft);
  margin-top: .12rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.empty { padding: 1rem .85rem; color: var(--ink-soft); font-size: .84rem; font-style: italic; }

/* ---------- 正文阅读 ---------- */
.msgview { padding: .8rem .85rem; }
.msgview .mhead { border-bottom: 1px solid var(--line); padding-bottom: .55rem; margin-bottom: .65rem; }
.msgview .mhead .t { font-family: var(--serif); font-size: 1.12rem; font-weight: 600; }
.msgview .mhead dl { margin: .45rem 0 0; display: grid; grid-template-columns: auto 1fr; gap: .12rem .6rem; }
.msgview .mhead dt { font-family: var(--mono); font-size: .68rem; color: var(--ink-soft); text-transform: uppercase; }
.msgview .mhead dd { margin: 0; font-size: .82rem; word-break: break-all; }
.msgview pre.bodytext {
  font-family: var(--mono);
  font-size: .8rem;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
  background: #fbf8f2;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: .7rem;
  margin: 0;
  max-height: 380px;
  overflow-y: auto;
}

/* ---------- 表单 ---------- */
form { padding: .3rem .85rem .9rem; }
label.f { display: block; margin-bottom: .6rem; }
label.f span {
  display: block;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: .2rem;
}
input[type=text], select, textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: .86rem;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  padding: .42rem .5rem;
}
textarea { min-height: 110px; resize: vertical; font-family: var(--mono); font-size: .8rem; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); outline-offset: 1px; border-color: var(--accent); }
button.act {
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .04em;
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  border-radius: 3px;
  padding: .42rem .9rem;
  cursor: pointer;
}
button.act:hover { background: #7a4d24; }
button.act[disabled] { opacity: .55; cursor: default; }

/* ---------- 提示 ---------- */
.notice {
  font-family: var(--mono);
  font-size: .74rem;
  padding: .45rem .6rem;
  border-radius: 3px;
  margin: .3rem .85rem .5rem;
  line-height: 1.55;
}
.notice.ok { background: var(--ok-bg); color: var(--ok); border: 1px solid #bcd8c4; }
.notice.warn { background: var(--warn-bg); color: var(--warn); border: 1px solid #e6d3ac; }
.notice.bad { background: var(--bad-bg); color: var(--bad); border: 1px solid #e3c2ba; }

footer.foot {
  margin-top: 1.6rem;
  padding-top: .8rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .7rem;
  color: var(--ink-soft);
  line-height: 1.8;
}
footer.foot code { background: #f3ece0; padding: .05rem .3rem; border-radius: 2px; }
.pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: .66rem;
  padding: .05rem .35rem;
  border-radius: 2px;
  border: 1px solid currentColor;
}
.pill.mock { color: var(--warn); }
.pill.real { color: var(--ok); }
.pill.recv { color: var(--accent); }

/* ---------------- 登录层（页面内登录，替代 basic_auth 弹窗） ---------------- */
.login-overlay{position:fixed;inset:0;z-index:99;display:flex;align-items:center;justify-content:center;background:rgba(8,10,14,.86);backdrop-filter:blur(3px)}
.login-overlay[hidden]{display:none}
.login-card{width:min(360px,88vw);background:#141821;border:1px solid #2a3140;border-radius:14px;padding:26px 22px;display:flex;flex-direction:column;gap:12px;box-shadow:0 12px 40px rgba(0,0,0,.5)}
.login-card h1{margin:0 0 6px;font-size:18px;color:#e8ecf4}
.login-card input{width:100%;box-sizing:border-box;padding:11px 12px;border-radius:9px;border:1px solid #333c4d;background:#0e1219;color:#e8ecf4;font-size:15px}
.login-card .act{width:100%;padding:11px;border-radius:9px;border:0;background:#3b82f6;color:#fff;font-size:15px;cursor:pointer}
.login-card .act:disabled{opacity:.6;cursor:default}
.login-err{margin:0;color:#f87171;font-size:13px}
.login-hint{margin:0;color:#7b8496;font-size:12px}
.login-hint .mono{font-family:ui-monospace,monospace;color:#a9b3c4}