/* ============================================================
   邮件中控 · 样式表
   无第三方依赖，纯手写
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

:root {
  --bg: #f5f7fa;
  --panel: #ffffff;
  --ink: #0f172a;
  --ink-2: #475569;
  --ink-3: #94a3b8;
  --line: #e5e9f0;
  --line-2: #eef1f6;
  --accent: #2563eb;
  --accent-2: #1d4ed8;
  --accent-soft: #eff4ff;
  --ok: #0f9d58;
  --ok-soft: #e7f7ee;
  --bad: #d92d20;
  --bad-soft: #fdecea;
  --warn: #b45309;
  --warn-soft: #fdf4e3;
  --side: #0f172a;
  --side-2: #1b2436;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 6px 18px rgba(15, 23, 42, .05);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;
}

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.55 "Segoe UI", "Microsoft YaHei", -apple-system, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.ic { width: 16px; height: 16px; flex: 0 0 auto; }
.mono { font-family: var(--mono); }
.dim { color: var(--ink-3); }
.grow { flex: 1 1 auto; }
.nowrap { white-space: nowrap; }

/* ------------------------------------------------------------ 骨架 */
.app { display: flex; min-height: 100vh; }

.side {
  width: 228px;
  flex: 0 0 228px;
  background: var(--side);
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  padding: 16px 12px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px 16px;
  color: #fff;
}
.brand .logo {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #fff;
}
.brand .logo .ic { width: 17px; height: 17px; }
.brand-t { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.brand-t b { font-size: 13.5px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brand-t i { font-style: normal; font-size: 11.5px; color: #7c8ba1; }

.nav { display: flex; flex-direction: column; gap: 2px; margin-top: 6px; }
.nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 11px;
  border-radius: 9px;
  color: #b6c2d4;
  font-size: 13.5px;
  transition: background .15s, color .15s;
}
.nav a:hover { background: var(--side-2); color: #fff; text-decoration: none; }
.nav a.on { background: var(--side-2); color: #fff; }
.nav a.on .ic { color: #60a5fa; }

.side-foot { margin-top: auto; padding-top: 14px; border-top: 1px solid #1e293b; display: flex; flex-direction: column; gap: 9px; }
.who { display: flex; align-items: center; gap: 8px; padding: 0 6px; font-size: 12px; color: #93a3b8; min-width: 0; }
.who .dot { width: 6px; height: 6px; border-radius: 50%; background: #22c55e; flex: 0 0 auto; box-shadow: 0 0 0 3px rgba(34, 197, 94, .15); }
.who-t { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.side-foot .btn.ghost { background: #1b2436; border-color: #26324a; color: #cbd5e1; }
.side-foot .btn.ghost:hover { background: #222e46; color: #fff; }

.main { flex: 1 1 auto; min-width: 0; }

.content {
  max-width: 1180px;
  padding: 26px 30px 60px;
  margin: 0 auto;
}

/* ------------------------------------------------------------ 卡片 */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 18px;
  overflow: hidden;
}
.card.narrow { max-width: 520px; margin: 40px auto; }

.card-h {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-2);
}
.card-h h2 { margin: 0; font-size: 14px; font-weight: 650; letter-spacing: -0.01em; }
.card-h .hint { font-size: 12px; color: var(--ink-3); }
.card-b { padding: 16px 18px; }
.card-b.tight { padding: 12px 18px; }
.card-f { padding: 12px 18px; border-top: 1px solid var(--line-2); background: #fbfcfe; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

/* ------------------------------------------------------------ 统计卡 */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 15px 17px 13px;
}
.stat .k { font-size: 12px; color: var(--ink-3); display: flex; align-items: center; gap: 6px; }
.stat .k .ic { width: 14px; height: 14px; }
.stat .v { font-size: 27px; font-weight: 650; letter-spacing: -0.03em; line-height: 1.25; margin-top: 2px; }
.stat .s { font-size: 11.5px; color: var(--ink-3); }

/* ------------------------------------------------------------ 表格 */
.tbl-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th {
  text-align: left;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink-3);
  text-transform: uppercase;
  padding: 9px 18px;
  background: #fafbfd;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.tbl td {
  padding: 11px 18px;
  border-bottom: 1px solid var(--line-2);
  vertical-align: middle;
}
.tbl tbody tr:last-child td { border-bottom: 0; }
.tbl tbody tr:hover { background: #fafbff; }
.tbl .right { text-align: right; }
.tbl .acts { text-align: right; white-space: nowrap; }
.tbl tbody tr[hidden] { display: none; }

.trunc { max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.empty { padding: 36px 0; text-align: center; color: var(--ink-3); font-size: 13px; }
.empty b { display: block; color: var(--ink-2); font-weight: 600; margin-bottom: 4px; }

/* ------------------------------------------------------------ 表单 */
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.row > * { flex: 0 0 auto; }
.batch-row { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--line-2); }
.batch-row > .dim { font-size: 12.5px; }
.batch-row input[type="number"] { width: 96px; }

.in {
  height: 36px;
  padding: 0 11px;
  border: 1px solid #d7dee9;
  border-radius: 9px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
}
.in::placeholder { color: #a9b4c4; }
.in:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37, 99, 235, .13); }
.in.sm { height: 32px; font-size: 12.5px; }
.in.w160 { width: 160px; }
.in.w200 { width: 200px; }
.in.w280 { width: 280px; }
select.in { width: auto; min-width: 150px; padding-right: 26px; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { font-size: 12px; color: var(--ink-2); }

/* ------------------------------------------------------------ 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  border: 1px solid #d7dee9;
  border-radius: 9px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, border-color .15s, color .15s, box-shadow .15s;
}
.btn:hover { background: #f6f8fc; text-decoration: none; }
.btn:active { transform: translateY(.5px); }
.btn.pri { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.pri:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn.dan { color: var(--bad); border-color: #f3cfcb; background: #fff; }
.btn.dan:hover { background: var(--bad-soft); }
.btn.sm { height: 30px; padding: 0 10px; font-size: 12.5px; border-radius: 8px; }
.btn.block { width: 100%; }
.btn .ic { width: 15px; height: 15px; }

.ibtn {
  border: 0;
  background: transparent;
  color: #9aa6b8;
  cursor: pointer;
  padding: 4px;
  border-radius: 7px;
  display: inline-flex;
  align-items: center;
  transition: background .15s, color .15s;
}
.ibtn:hover { background: #eef2f8; color: var(--ink); }
.ibtn.on { color: var(--accent); background: var(--accent-soft); }
.ibtn .ic { width: 15px; height: 15px; }

/* ------------------------------------------------------------ 徽标 */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 1px 9px;
  border-radius: 999px;
  background: #f1f4f9;
  color: var(--ink-2);
  font-size: 11.5px;
  font-weight: 500;
  white-space: nowrap;
}
.pill.g { background: var(--ok-soft); color: var(--ok); }
.pill.b { background: var(--accent-soft); color: var(--accent); }
.pill.r { background: var(--bad-soft); color: var(--bad); }
.pill.y { background: var(--warn-soft); color: var(--warn); }

/* ------------------------------------------------------------ 密码格 */
.pwbox { display: inline-flex; align-items: center; gap: 5px; }
.pw {
  font-family: var(--mono);
  font-size: 12px;
  background: #f4f6fa;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 2px 8px;
  min-width: 84px;
  text-align: center;
  letter-spacing: .06em;
  color: var(--ink-2);
}
.pw.shown { letter-spacing: 0; color: var(--ink); }

/* ------------------------------------------------------------ 搜索 */
.search {
  position: relative;
  display: flex;
  align-items: center;
}
.search .ic {
  position: absolute;
  left: 10px;
  color: #a9b4c4;
  pointer-events: none;
}
.search .in { padding-left: 32px; width: 240px; }

/* ------------------------------------------------------------ 提示条 */
.flash {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.flash.ok { background: var(--ok-soft); color: #087443; border-color: #cfefdc; }
.flash.bad { background: var(--bad-soft); color: #b42318; border-color: #f6d4d0; }

/* ------------------------------------------------------------ 批量结果弹窗 */
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(15, 23, 42, .42);
  animation: fade-in .15s ease-out;
}
.modal-card {
  width: 100%;
  max-width: 620px;
  max-height: 82vh;
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 30px 70px rgba(15, 23, 42, .3);
  overflow: hidden;
  animation: pop-in .18s ease-out;
}
.modal-h { display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-bottom: 1px solid var(--line-2); }
.modal-h h3 { margin: 0; font-size: 14px; font-weight: 650; }
.modal-b { overflow: auto; }
.modal-b .tbl th:first-child, .modal-b .tbl td:first-child { padding-left: 18px; }
.modal-f { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 12px 18px; border-top: 1px solid var(--line-2); background: #fbfcfe; }
.modal-f .dim { font-size: 12.5px; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop-in { from { opacity: 0; transform: translateY(8px) scale(.99); } to { opacity: 1; transform: none; } }

.toast {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 420px;
  padding: 11px 12px 11px 15px;
  border-radius: 11px;
  font-size: 13px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, .16);
  border: 1px solid transparent;
  animation: toast-in .25s ease-out;
}
.toast.ok { background: #fff; border-color: #bfe9d1; color: #087443; }
.toast.bad { background: #fff; border-color: #f4cfca; color: #b42318; }
.toast-x {
  border: 0; background: transparent; cursor: pointer;
  color: inherit; opacity: .5; font-size: 18px; line-height: 1; padding: 0 2px;
}
.toast-x:hover { opacity: 1; }
.toast.gone { animation: toast-out .2s ease-in forwards; }
@keyframes toast-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
@keyframes toast-out { to { opacity: 0; transform: translateY(-8px); } }

/* ------------------------------------------------------------ 邮件正文 */
.kv { display: grid; grid-template-columns: 92px 1fr; gap: 9px 16px; font-size: 13px; margin: 0; }
.kv dt { color: var(--ink-3); }
.kv dd { margin: 0; word-break: break-word; }

.meta { display: grid; grid-template-columns: 76px 1fr; gap: 7px 14px; font-size: 13px; }
.meta dt { color: var(--ink-3); }
.meta dd { margin: 0; word-break: break-word; }

.mailframe {
  width: 100%;
  height: 560px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
pre.body {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font: 13px/1.75 var(--mono);
  color: #1e293b;
  background: #fbfcfe;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
}

/* ------------------------------------------------------------ 登录页 */
body.bare {
  display: grid;
  place-items: center;
  min-height: 100vh;
  background:
    radial-gradient(900px 500px at 15% -10%, #e8efff 0%, transparent 60%),
    radial-gradient(700px 460px at 110% 110%, #e6f7ef 0%, transparent 55%),
    #f5f7fa;
}
.login-card {
  width: 356px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 18px 50px rgba(15, 23, 42, .10);
  padding: 26px 26px 22px;
}
.login-card .logo {
  width: 40px; height: 40px;
  border-radius: 11px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #fff;
  margin-bottom: 16px;
}
.login-card .logo .ic { width: 20px; height: 20px; }
.login-card h1 { margin: 0 0 3px; font-size: 18px; letter-spacing: -0.02em; }
.login-card .sub { margin: 0 0 20px; font-size: 12.5px; color: var(--ink-3); }
.login-card .f { margin-bottom: 11px; }
.login-card .btn { width: 100%; height: 38px; margin-top: 6px; }
.login-foot { text-align: center; font-size: 11.5px; color: var(--ink-3); margin-top: 14px; }

/* ------------------------------------------------------------ 响应式 */
@media (max-width: 980px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .content { padding: 18px 16px 50px; }
}

@media (max-width: 820px) {
  .app { display: block; }
  .side {
    width: auto;
    height: auto;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    overflow-x: auto;
  }
  .brand { padding: 0; flex: 0 0 auto; }
  .brand-t i { display: none; }
  .nav { flex-direction: row; margin: 0; gap: 4px; }
  .nav a { padding: 7px 10px; white-space: nowrap; }
  .nav a span { display: none; }
  .side-foot { margin: 0 0 0 auto; padding: 0; border: 0; flex-direction: row; align-items: center; }
  .who { display: none; }
  .side-foot .btn { height: 32px; padding: 0 10px; font-size: 12.5px; }
  .search .in { width: 150px; }
  .tbl th, .tbl td { padding-left: 14px; padding-right: 14px; }
}