:root {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --text: #f0efec;
  --text-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --series-1: #3987e5;
  --series-2: #d95926;
  --good: #0ca30c;
  --warning: #fab219;
  --critical: #d03b3b;
  --accent: #3987e5;
}
@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --page: #f9f9f7;
    --surface: #fcfcfb;
    --text: #0b0b0b;
    --text-2: #52514e;
    --muted: #898781;
    --grid: #e1e0d9;
    --axis: #c3c2b7;
    --border: rgba(11, 11, 11, 0.10);
    --series-1: #2a78d6;
    --series-2: #eb6834;
    --accent: #2a78d6;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--page);
  color: var(--text);
  font: 13px/1.45 system-ui, -apple-system, "Segoe UI", "Malgun Gothic", sans-serif;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.muted { color: var(--muted); }
.hidden { display: none !important; }

/* 상단 바 */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px 20px; border-bottom: 1px solid var(--border); background: var(--surface);
}
.brand .title { font-size: 16px; font-weight: 600; }
.brand .sub { color: var(--text-2); font-size: 12px; }
.conn { display: flex; align-items: center; gap: 10px; }
.pill {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px;
  border: 1px solid var(--border); font-weight: 600; font-size: 12px;
}
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.pill.ok .dot { background: var(--good); }
.pill.wait .dot { background: var(--warning); animation: blink 1s infinite; }
.pill.bad .dot { background: var(--critical); }
@keyframes blink { 50% { opacity: .3; } }
button {
  font: inherit; color: var(--text); background: transparent; border: 1px solid var(--border);
  border-radius: 6px; padding: 5px 12px; cursor: pointer;
}
button:hover { background: var(--border); }
button.ghost { border-color: transparent; color: var(--text-2); }

.banner {
  padding: 8px 20px; font-size: 12px; color: var(--text);
  background: color-mix(in srgb, var(--critical) 18%, var(--surface));
  border-bottom: 1px solid var(--border);
}
.banner.warn { background: color-mix(in srgb, var(--warning) 16%, var(--surface)); }

/* 본문 */
.dash { flex: 1; overflow: auto; padding: 16px 20px 24px; transition: opacity .3s; }
.dash.dim { opacity: .45; }

.tiles { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; margin-bottom: 12px; }
.tile {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px;
  display: flex; flex-direction: column; gap: 2px; min-width: 0;
}
.tile .label { color: var(--text-2); font-size: 12px; }
.tile .value { font-size: 24px; font-weight: 600; white-space: nowrap; }
.tile .value small { font-size: 13px; font-weight: 500; color: var(--text-2); margin-left: 2px; }
.tile .meta { color: var(--muted); font-size: 11.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-height: 17px; }
.meter { height: 6px; border-radius: 3px; margin-top: 6px; background: color-mix(in srgb, var(--m, var(--good)) 22%, transparent); overflow: hidden; }
.meter i { display: block; height: 100%; width: 0; border-radius: 3px; background: var(--m, var(--good)); transition: width .4s; }

.status { display: inline-flex; align-items: center; gap: 4px; font-size: 11.5px; color: var(--text-2); }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--s, var(--good)); }
.status.good { --s: var(--good); }
.status.warning { --s: var(--warning); }
.status.critical { --s: var(--critical); }
.status.idle { --s: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; min-width: 0;
}
.span2 { grid-column: span 2; }
.span3 { grid-column: span 3; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.card-head h2 { font-size: 13px; font-weight: 600; margin: 0; }
.card-head .muted { font-size: 12px; }

.chart { position: relative; height: 180px; }
.chart.small { height: 120px; }
.chart svg { display: block; width: 100%; height: 100%; overflow: visible; }
.chart .grid-line { stroke: var(--grid); stroke-width: 1; }
.chart .axis-line { stroke: var(--axis); stroke-width: 1; }
.chart .tick { fill: var(--muted); font-size: 10.5px; font-variant-numeric: tabular-nums; }
.chart .end-label { fill: var(--text-2); font-size: 11px; font-weight: 600; }
.chart .line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .area { opacity: .10; }
.chart .cross { stroke: var(--muted); stroke-width: 1; }
.chart .hover-dot { stroke: var(--surface); stroke-width: 2; }
.legend { display: flex; gap: 14px; font-size: 12px; color: var(--text-2); margin: -2px 0 6px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 14px; height: 2px; border-radius: 1px; display: inline-block; }

.cores { display: grid; grid-template-columns: repeat(16, minmax(0, 1fr)); gap: 4px; margin-top: 10px; }
.core { display: flex; flex-direction: column; align-items: center; gap: 3px; }
.core .bar { width: 100%; max-width: 24px; height: 36px; border-radius: 4px; background: color-mix(in srgb, var(--series-1) 14%, transparent); position: relative; overflow: hidden; }
.core .bar i { position: absolute; left: 0; right: 0; bottom: 0; background: var(--series-1); border-radius: 4px 4px 0 0; transition: height .4s; }
.core span { font-size: 10px; color: var(--muted); font-variant-numeric: tabular-nums; }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 5px 12px; margin-top: 8px; font-size: 12.5px; }
.kv dt, .kv .k { color: var(--text-2); }
.kv .v { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.disk { margin-bottom: 12px; }
.disk .row { display: flex; justify-content: space-between; font-size: 12.5px; }
.disk .row .muted { font-variant-numeric: tabular-nums; }

.table { width: 100%; border-collapse: collapse; font-size: 12.5px; table-layout: fixed; }
.table th { text-align: left; color: var(--muted); font-weight: 500; padding: 4px 6px; border-bottom: 1px solid var(--grid); }
.table td { padding: 5px 6px; border-bottom: 1px solid var(--grid); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.table tr:last-child td { border-bottom: 0; }
.table .num { text-align: right; font-variant-numeric: tabular-nums; width: 90px; }
.table td.empty { color: var(--muted); text-align: center; padding: 14px; }

.tooltip {
  position: fixed; pointer-events: none; z-index: 10; background: var(--surface); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; font-size: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, .35); white-space: nowrap;
}
.tooltip .t { color: var(--muted); margin-bottom: 3px; }
.tooltip .r { display: flex; align-items: center; gap: 6px; font-variant-numeric: tabular-nums; }
.tooltip .r i { width: 8px; height: 8px; border-radius: 50%; }
.tooltip .r b { margin-left: auto; padding-left: 12px; font-weight: 600; }

@media (max-width: 1150px) {
  .tiles { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .span3 { grid-column: span 2; }
  .cores { grid-template-columns: repeat(8, minmax(0, 1fr)); }
}

/* 웹: 로그인 화면 */
.login-page { align-items: center; justify-content: center; padding: 20px; }
.login-card {
  width: 100%; max-width: 340px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 28px 24px; display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center;
}
.login-card img { border-radius: 12px; }
.login-card h1 { font-size: 18px; margin: 4px 0 0; }
.login-card p { margin: 0 0 6px; }
.login-card input {
  width: 100%; font: inherit; font-size: 15px; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--page); color: var(--text);
}
.login-card input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.login-card button { width: 100%; padding: 10px; font-size: 15px; font-weight: 600; background: var(--accent); color: #fff; border: 0; }
.login-card button:disabled { opacity: .6; }
.login-error { color: var(--text); font-size: 13px; min-height: 18px; }
.login-error:not(:empty)::before { content: "● "; color: var(--critical); }

/* 휴대폰 */
@media (max-width: 700px) {
  .topbar { flex-wrap: wrap; padding: 10px 14px; gap: 8px; }
  .brand .sub { font-size: 11px; }
  .conn { width: 100%; flex-wrap: wrap; gap: 8px; }
  .conn #connDetail { flex: 1; min-width: 0; font-size: 11.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .banner { padding: 8px 14px; }
  .dash { padding: 12px 12px 20px; }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-bottom: 8px; }
  .tile .value { font-size: 21px; }
  .grid { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .span2, .span3 { grid-column: auto; }
  .chart { height: 150px; }
  .cores { grid-template-columns: repeat(8, minmax(0, 1fr)); }
  .chart svg .tick { font-size: 10px; }
  #procs th:nth-child(2), #procs td:nth-child(2),
  #containers th:nth-child(2), #containers td:nth-child(2) { display: none; }
  .table .num { width: 70px; }
}

/* 웹 전용 버튼 */
.web-only { display: none !important; }
html.web .web-only { display: inline-flex !important; }
a.button {
  display: inline-flex; align-items: center; font: inherit; color: var(--text); text-decoration: none;
  border: 1px solid var(--border); border-radius: 6px; padding: 5px 12px;
}
a.button:hover { background: var(--border); }
button.primary, a.button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.primary:hover, a.button.primary:hover { filter: brightness(1.1); background: var(--accent); }
button:disabled { opacity: .55; cursor: default; }
button.toggle { align-items: center; gap: 6px; }
button.toggle .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
button.toggle.on .dot { background: var(--good); }

/* 기간 모니터링 페이지 */
.reports-grid { align-items: start; }
.reports-grid .col { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.form .field { display: flex; flex-direction: column; gap: 5px; margin: 0 0 12px; font-size: 12.5px; color: var(--text-2); }
.form .field em { color: var(--muted); font-style: normal; }
.form input, .form select {
  font: inherit; font-size: 13.5px; color: var(--text); background: var(--page); border: 1px solid var(--border);
  border-radius: 7px; padding: 7px 10px; min-width: 0;
}
.form input:focus, .form select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.seg, .chips { display: flex; flex-wrap: wrap; gap: 6px; }
.seg button, .chips button { padding: 5px 11px; border-radius: 999px; font-size: 12.5px; }
.seg button.on, .chips button.on { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.sub-field { display: flex; flex-direction: column; gap: 5px; margin-top: 8px; }
.summary-line { font-size: 12.5px; color: var(--text); margin: 2px 0 10px; }
.notice { font-size: 12px; color: var(--text-2); background: color-mix(in srgb, var(--warning) 12%, transparent); border-radius: 7px; padding: 8px 10px; margin-bottom: 10px; }
.help { font-size: 12px; color: var(--text-2); margin: 0 0 12px; line-height: 1.6; }
.help a { color: var(--accent); }
.form-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.form-msg { font-size: 12px; color: var(--text-2); }
.adv { margin: 0 0 12px; font-size: 12.5px; color: var(--text-2); }
.adv summary { cursor: pointer; margin-bottom: 8px; }
.row3 { display: grid; grid-template-columns: 2fr 1fr 1.3fr; gap: 8px; }
.jobs { display: flex; flex-direction: column; }
.job { padding: 12px 2px; border-bottom: 1px solid var(--grid); display: flex; flex-direction: column; gap: 6px; }
.job:last-child { border-bottom: 0; }
.job-top { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.job-name { font-weight: 600; }
.job-period { font-size: 12px; }
.job-state .status { font-size: 12.5px; }
.mail-line { margin-top: 3px; }
.job .meter { margin-top: 0; }
.job-bottom { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 12px; }
.job-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.job-actions button, .job-actions a.button { font-size: 12px; padding: 4px 10px; }
.empty-box { padding: 24px 6px; text-align: center; }
@media (max-width: 700px) {
  .row3 { grid-template-columns: 1fr; }
}