/* zlsmail 共用样式：深色优先、简洁现代 */
:root {
  --bg: #0f1216;
  --panel: #171c23;
  --panel2: #1e242e;
  --border: #2a3340;
  --text: #e6e9ee;
  --muted: #8b96a5;
  --accent: #4c8dff;
  --danger: #e5534b;
  --ok: #3fb950;
  --warn: #d29922;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.topbar .brand { font-weight: 700; font-size: 16px; }
.topbar .spacer { flex: 1; }
.topbar .who { color: var(--muted); }

.container { max-width: 960px; margin: 20px auto; padding: 0 16px; }

.btn {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel2);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn:disabled { opacity: .5; cursor: default; }

select, input[type=text], input[type=email], input[type=password], textarea {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 14px;
}
select:focus, input:focus, textarea:focus { outline: none; border-color: var(--accent); }

.tabs { display: flex; gap: 4px; margin-bottom: 12px; }
.tabs .tab {
  padding: 6px 14px; border-radius: 6px; cursor: pointer; color: var(--muted);
}
.tabs .tab.active { background: var(--panel2); color: var(--text); }

.msglist { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.msgrow {
  display: flex; gap: 12px; align-items: baseline;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}
.msgrow:last-child { border-bottom: none; }
.msgrow:hover { background: var(--panel2); }
.msgrow .from { width: 200px; flex-shrink: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.msgrow .subj { flex-shrink: 0; max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.msgrow .snip { flex: 1; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.msgrow .time { color: var(--muted); font-size: 12px; flex-shrink: 0; }
.msgrow.unread .from, .msgrow.unread .subj { font-weight: 700; }

.pager { display: flex; gap: 8px; justify-content: center; margin: 16px 0; align-items: center; color: var(--muted); }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.panel h3 { margin: 0 0 12px; font-size: 15px; }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px;
  border: 1px solid var(--border); color: var(--muted);
}
.badge.ok { color: var(--ok); border-color: var(--ok); }
.badge.warn { color: var(--warn); border-color: var(--warn); }
.badge.err { color: var(--danger); border-color: var(--danger); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; }

.notice { padding: 10px 14px; border-radius: 6px; margin-bottom: 12px; }
.notice.error { background: rgba(229,83,75,.12); color: var(--danger); }
.notice.ok { background: rgba(63,185,80,.12); color: var(--ok); }

.login-box {
  max-width: 360px; margin: 120px auto; text-align: center;
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 40px 30px;
}
.login-box h1 { font-size: 22px; margin: 0 0 8px; }
.login-box p { color: var(--muted); margin: 0 0 24px; }
.login-box .notice { text-align: left; }

.form-row { margin-bottom: 12px; }
.form-row label { display: block; color: var(--muted); margin-bottom: 4px; font-size: 13px; }
.form-row input, .form-row select, .form-row textarea { width: 100%; }
textarea { min-height: 220px; resize: vertical; font-family: inherit; }

.mail-header { margin-bottom: 16px; }
.mail-header .subject { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.mail-header .meta { color: var(--muted); font-size: 13px; }
.mail-body { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 0; overflow: hidden; }
.mail-body iframe { width: 100%; min-height: 400px; border: none; background: #fff; }
.mail-body pre { margin: 0; padding: 16px; white-space: pre-wrap; word-break: break-word; font-family: inherit; }

.attachments { margin-top: 12px; }
.attachments a { display: inline-block; margin-right: 10px; }

.steps { font-family: ui-monospace, monospace; font-size: 12px; color: var(--muted); margin-top: 10px; }
.steps div { padding: 2px 0; }