:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1c2230;
  --muted: #6b7385;
  --line: #e3e6ec;
  --input: #ffffff;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --ok: #15803d;
  --ok-bg: #e7f6ec;
  --warn: #b45309;
  --warn-bg: #fff4e0;
  --live: #c2410c;
  --live-bg: #fff0e6;
  --test: #1d4ed8;
  --test-bg: #e8efff;
  --err: #b91c1c;
  --err-bg: #fdecec;
  --bar: #dfe3ea;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b;
    --card: #1b1f27;
    --text: #e6e9ef;
    --muted: #9aa3b5;
    --line: #2c323d;
    --input: #141820;
    --accent: #4f8cff;
    --ok: #4ade80;
    --ok-bg: #16301f;
    --warn: #fbbf24;
    --warn-bg: #33270f;
    --live: #fb923c;
    --live-bg: #3a2415;
    --test: #7aa2ff;
    --test-bg: #1b2744;
    --err: #f87171;
    --err-bg: #3a1a1a;
    --bar: #2c323d;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
}
h1, h2, h3 { margin: 0; }
h1 { font-size: 18px; }
h2 { font-size: 15px; margin-bottom: 14px; }
h3 { font-size: 14px; }
.hidden { display: none !important; }
.muted { color: var(--muted); font-weight: normal; font-size: 12px; }
code { background: var(--bg); border: 1px solid var(--line); border-radius: 4px; padding: 0 4px; font-size: 12px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 14px 24px; background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand .sub { color: var(--muted); font-size: 12px; }
.mode-area { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.mode-badge { font-weight: 700; padding: 6px 12px; border-radius: 999px; font-size: 13px; }
.mode-badge.live { background: var(--live-bg); color: var(--live); }
.mode-badge.test { background: var(--test-bg); color: var(--test); }
.mode-badge.unknown { background: var(--bar); color: var(--muted); }
.services { display: flex; gap: 10px; font-size: 12px; color: var(--muted); }
.svc i { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--muted); margin-right: 5px; }
.svc.on i { background: var(--ok); }
.svc.off i { background: var(--err); }

.banner { margin: 16px 24px 0; padding: 10px 14px; border-radius: var(--radius); font-size: 13px; }
.banner.live { background: var(--live-bg); color: var(--live); }
.banner.test { background: var(--test-bg); color: var(--test); }
.banner.busy { background: var(--warn-bg); color: var(--warn); }

/* 탭: 발송 / 발송 결과 / 수신자 관리 / 발송 로그 */
.tabs {
  display: flex; gap: 4px; max-width: 1280px; margin: 0 auto; padding: 14px 24px 0;
  border-bottom: 1px solid var(--line); overflow-x: auto;
}
.tab {
  font: inherit; font-size: 14px; font-weight: 600; color: var(--muted); background: none; cursor: pointer;
  padding: 9px 16px; border: 1px solid transparent; border-bottom: 0; border-radius: 8px 8px 0 0;
  white-space: nowrap; margin-bottom: -1px; display: inline-flex; align-items: center; gap: 6px;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--text); background: var(--card); border-color: var(--line); }
.tab-dot { display: none; width: 7px; height: 7px; border-radius: 50%; background: var(--warn); }
.tab-dot.on { display: inline-block; animation: tab-pulse 1.2s ease-in-out infinite; }
@keyframes tab-pulse { 50% { opacity: .3; } }
@media (prefers-reduced-motion: reduce) { .tab-dot.on { animation: none; } }

.grid {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 16px;
  padding: 16px 24px 40px; max-width: 1280px; margin: 0 auto;
}
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; min-width: 0; }
.card.wide { grid-column: 1 / -1; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-bottom: 14px; }
.card-head h2 { margin: 0; }

form label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 12px; }
input, textarea {
  display: block; width: 100%; margin-top: 4px; padding: 8px 10px; font: inherit; color: var(--text);
  background: var(--input); border: 1px solid var(--line); border-radius: 7px;
}
textarea { resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
input:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 35%, transparent); border-color: var(--accent); }
.row.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row .full { grid-column: 1 / -1; }
.addr { display: flex; align-items: center; margin-top: 4px; }
.addr input { margin-top: 0; border-top-right-radius: 0; border-bottom-right-radius: 0; }
.addr span {
  padding: 8px 10px; border: 1px solid var(--line); border-left: 0; border-radius: 0 7px 7px 0;
  background: var(--bg); color: var(--muted); white-space: nowrap; font-size: 13px;
}
.seg { border: 0; padding: 0; margin: 0 0 12px; display: flex; gap: 18px; flex-wrap: wrap; }
.seg legend { font-size: 12px; color: var(--muted); padding: 0; margin-bottom: 6px; }
.seg label, label.check { display: flex; align-items: center; gap: 6px; color: var(--text); font-size: 13px; margin: 0; }
.seg input, label.check input { width: auto; margin: 0; }
.hint { font-size: 12px; color: var(--muted); margin: -4px 0 12px; }
.hint.warn { color: var(--live); }
.html-box { margin: -4px 0 12px; font-size: 12px; color: var(--muted); }
.html-box summary { cursor: pointer; margin-bottom: 6px; }
.attach { margin: 0 0 12px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; font-size: 12px; }
.attach-list { list-style: none; margin: 0; padding: 0; width: 100%; display: flex; flex-direction: column; gap: 4px; }
.attach-list:empty { display: none; }
.attach-list li { display: flex; align-items: center; gap: 8px; padding: 4px 8px; border: 1px solid var(--line); border-radius: 6px; }
.attach-list .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.attach-list .size { color: var(--muted); white-space: nowrap; }
.attach-list button { border: 0; background: none; color: var(--muted); cursor: pointer; font-size: 14px; padding: 0 2px; }
.attach-list button:hover { color: var(--err); }
.attach + label.check { margin-bottom: 12px; }
.attach .over { color: var(--err); font-weight: 600; }
.live-confirm { padding: 10px 12px; border-radius: 8px; background: var(--live-bg); margin-bottom: 12px; }
.live-confirm label.check { color: var(--live); font-weight: 600; }
.summary { font-size: 13px; margin-bottom: 12px; color: var(--muted); }
.summary b { color: var(--text); }
.actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.actions.right { justify-content: flex-end; }
.error { color: var(--err); font-size: 13px; }

.btn {
  font: inherit; font-weight: 600; font-size: 13px; padding: 8px 16px; border-radius: 7px; cursor: pointer;
  border: 1px solid var(--line); background: var(--card); color: var(--text); text-decoration: none; display: inline-block;
}
.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary.live { background: var(--live); border-color: var(--live); }
.btn.small { padding: 5px 11px; font-size: 12px; }
.btn.ghost { background: transparent; }

.empty { color: var(--muted); padding: 24px 0; text-align: center; }
.job-meta { font-size: 12px; color: var(--muted); margin-bottom: 12px; display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: center; }
.pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 11px; font-weight: 700; }
.pill.live { background: var(--live-bg); color: var(--live); }
.pill.test { background: var(--test-bg); color: var(--test); }
.pill.running { background: var(--warn-bg); color: var(--warn); }
.pill.done { background: var(--ok-bg); color: var(--ok); }
.pill.cancelled, .pill.failed, .pill.interrupted { background: var(--err-bg); color: var(--err); }
.bars { display: grid; gap: 8px; margin-bottom: 14px; }
.bar-row { display: grid; grid-template-columns: 70px 1fr 110px; gap: 10px; align-items: center; font-size: 12px; }
.bar-row b { text-align: right; font-variant-numeric: tabular-nums; }
.bar { height: 10px; background: var(--bar); border-radius: 999px; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .4s; }
.bar.ok i { background: var(--ok); }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 0 0 12px; }
.stats div { background: var(--bg); border-radius: 8px; padding: 8px 10px; }
.stats dt { font-size: 11px; color: var(--muted); }
.stats dd { margin: 0; font-size: 16px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stats dd.bad { color: var(--err); }
.hosts { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.errors { font-size: 12px; color: var(--err); white-space: pre-wrap; word-break: break-all; }
.mailpit {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  border-top: 1px solid var(--line); margin-top: 16px; padding-top: 14px;
}
.mailpit p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.mailpit b { color: var(--text); font-size: 16px; }
.mailpit-actions { display: flex; gap: 8px; }
.live-limit { margin-top: 12px; padding-top: 12px; }
.live-limit h3 .muted { font-weight: 400; font-size: 11px; }
.live-limit .mailpit-actions input { width: 90px; margin: 0; }
.live-limit .mailpit-actions { flex-shrink: 0; align-items: center; }
.live-limit .mailpit-actions .btn { white-space: nowrap; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.sup-form { margin-bottom: 12px; }
.sup-form textarea { margin: 0 0 6px; }
.sup-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.sup-row input { margin: 0; flex: 1; min-width: 140px; }
#supTable td button { border: 0; background: none; color: var(--muted); cursor: pointer; font: inherit; font-size: 12px; }
#supTable td button:hover { color: var(--err); }
.seg-btns { display: flex; gap: 4px; }
.seg-btns .btn.active { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.prov-daily { margin-top: 10px; font-size: 13px; }
.prov-daily summary { cursor: pointer; color: var(--muted); margin-bottom: 6px; }
.bad-text { color: var(--err); }
/* James 설정 */
#cfgTable td { vertical-align: middle; }
#cfgTable .cfg-label b { display: block; font-size: 13px; }
#cfgTable .cfg-label span { font-size: 12px; color: var(--muted); }
#cfgTable input { margin: 0; max-width: 260px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
#cfgTable tr.changed td { background: var(--warn-bg); }
#cfgTable input.invalid { border-color: var(--err); }
#cfgTable .cfg-range { font-size: 12px; color: var(--muted); white-space: nowrap; }
.cfg-summary { margin: 12px 0 0; padding: 10px 12px; border-radius: 8px; background: var(--warn-bg); font-size: 13px; }
.cfg-summary li { margin: 2px 0; }
.cfg-actions { margin-top: 12px; }
.cfg-result { margin-top: 14px; padding: 10px 12px; border-radius: 8px; font-size: 13px; white-space: pre-wrap; word-break: break-all; }
.cfg-result.ok { background: var(--ok-bg); }
.cfg-result.bad { background: var(--err-bg); color: var(--err); }
td.warn { color: var(--warn); font-weight: 600; }
td.bad { color: var(--err); font-weight: 600; }
.sub-head { font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
.sub-head:first-child { margin-top: 0; }
td.wrap { white-space: normal; word-break: break-word; min-width: 220px; }
td.email { white-space: normal; word-break: break-all; min-width: 110px; }
#eventsTable td { vertical-align: top; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--bg); }
.tag { font-weight: 700; font-size: 11px; }
.tag.sent { color: var(--ok); }
.tag.mailpit { color: var(--test); }
.tag.stored, .tag.error { color: var(--err); }
.tag.retry { color: var(--warn); }

/* 설치 확인 */
.tab-dot.alert { background: var(--err); }
.tab-dot.alert.on { animation: none; }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.fail { background: var(--err-bg); color: var(--err); }
.pill.unknown { background: var(--bar); color: var(--muted); }
.setup-summary { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; font-size: 13px; }
.setup-summary:empty { display: none; }
#setupDns td, #setupServer td { vertical-align: top; }
#setupDns .val { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; white-space: normal; word-break: break-all; min-width: 180px; max-width: 460px; }
#setupDns .val .note { display: block; font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif; color: var(--muted); font-size: 11.5px; margin-top: 3px; word-break: normal; }
#setupDns .have { color: var(--muted); }
#setupDns .copy { margin-left: 6px; border: 1px solid var(--line); background: var(--card); color: var(--muted); border-radius: 5px; font-size: 11px; padding: 1px 6px; cursor: pointer; vertical-align: 1px; }
#setupDns .copy:hover { color: var(--accent); border-color: var(--accent); }
#setupDns .name { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; white-space: normal; word-break: break-all; min-width: 120px; }
.setup-steps { margin: 0; padding-left: 20px; font-size: 13px; line-height: 1.7; }
.setup-steps li { margin: 4px 0; }
.setup-steps li.done { color: var(--muted); }
.setup-steps li.done b::after { content: " ✓"; color: var(--ok); }
.setup-accounts { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 13px; line-height: 1.8; }

/* 로그인한 사람 · 역할 (docs/로그인설계.md) */
select {
  font: inherit; font-size: 13px; color: var(--text); background: var(--input);
  border: 1px solid var(--line); border-radius: 7px; padding: 6px 8px;
}
select:disabled { opacity: .6; }
.user-area { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.user-name { font-weight: 600; font-size: 13px; }
.role-badge { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: var(--bar); color: var(--muted); }
.role-badge.admin { background: var(--live-bg); color: var(--live); }
.role-badge.sender { background: var(--test-bg); color: var(--test); }
.notice { padding: 10px 12px; border-radius: 8px; background: var(--warn-bg); color: var(--warn); font-size: 13px; margin: 0 0 12px; }
.user-form { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 8px; }
.user-form input { width: auto; flex: 1 1 180px; margin: 0; }
#usersTable td { vertical-align: middle; }
#usersTable tr.off td { color: var(--muted); }
#usersTable .row-actions { display: flex; gap: 4px; flex-wrap: wrap; }
#auditTable td { vertical-align: top; }
.temp-pw { display: flex; align-items: center; gap: 8px; margin: 4px 0 14px; }
.temp-pw code { flex: 1; font-size: 16px; padding: 8px 10px; user-select: all; word-break: break-all; }
dialog form label { margin-bottom: 10px; }
#sessionsDialog { max-width: 640px; }

.login-page { min-height: 100vh; display: flex; align-items: flex-start; justify-content: center; padding: 12vh 16px 32px; }
.login-card { width: 100%; max-width: 380px; padding: 28px 24px; }
.login-card h1 { font-size: 20px; }
.login-card h2 { margin-top: 4px; }
.login-host { margin: 4px 0 20px; }
.login-foot { margin: 16px 0 0; }
.btn.wide { width: 100%; padding: 10px 16px; font-size: 14px; }

dialog { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); color: var(--text); max-width: 440px; width: calc(100% - 32px); padding: 20px; }
dialog::backdrop { background: rgba(0, 0, 0, .4); }
dialog p { color: var(--muted); font-size: 13px; line-height: 1.6; }

@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr; padding: 12px 16px 32px; }
  .topbar { padding: 12px 16px; position: static; }
  .banner { margin: 12px 16px 0; }
  .tabs { padding: 10px 16px 0; }
  .tab { padding: 8px 12px; font-size: 13px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 480px) {
  .row.two { grid-template-columns: 1fr; }
  .bar-row { grid-template-columns: 60px 1fr 90px; }
}