:root {
  --bg: #ffffff;          /* 페이지 바탕 */
  --bg-2: #f7f8fa;        /* 헤더/사이드바/툴바 */
  --bg-3: #eef0f4;        /* 입력·버튼 표면 */
  --line: #dfe3ea;
  --line-soft: #eceff4;
  --fg: #1c2028;
  --muted: #6b7382;
  --accent: #2f6fed;
  --accent-soft: #e8f0fe;
  --ok: #1a9c5b;
  --warn: #c98a10;
  --bad: #d64550;
  --shadow: 0 1px 2px rgba(20, 28, 45, .06), 0 1px 3px rgba(20, 28, 45, .04);
}

* { box-sizing: border-box; }

/* 요소에 display 가 명시되어 있으면 [hidden] 의 기본 규칙을 이겨버린다.
   이게 없으면 로그인 후에도 로그인 화면이 앱 위를 덮는다. */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.5 "Segoe UI", "Malgun Gothic", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

button, input, select { font: inherit; color: inherit; }
b { font-weight: 600; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.spacer { flex: 1; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ------------------------------------------------------------------ login */
.login-wrap {
  display: grid; place-items: center; min-height: 100vh;
  background: linear-gradient(180deg, #f4f6fa 0%, #ffffff 60%);
}
.login-card {
  width: 330px; padding: 30px; border-radius: 14px;
  background: #fff; border: 1px solid var(--line);
  box-shadow: 0 6px 24px rgba(20, 28, 45, .08);
  display: flex; flex-direction: column; gap: 12px;
}
.login-card h1 { margin: 0; font-size: 20px; letter-spacing: -.2px; }
.login-card p { margin: 0; }
.login-card input {
  padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff;
}
.login-card input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.login-card button {
  padding: 10px 12px; border-radius: 8px; border: 1px solid var(--accent);
  background: var(--accent); color: #fff; cursor: pointer; font-weight: 500;
}
.login-card button:hover { filter: brightness(1.06); }
.error { color: var(--bad); min-height: 18px; font-size: 13px; }

/* ----------------------------------------------------------------- shell */
.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--bg-2);
}
.brand { font-weight: 600; letter-spacing: -.2px; }
.pill {
  font-size: 12px; padding: 3px 10px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line); color: var(--muted);
}
.pill.on { color: var(--ok); border-color: #b7e3ca; background: #f0faf4; }
.pill.off { color: var(--bad); border-color: #f2c2c6; background: #fdf2f3; }

.layout { display: flex; height: calc(100vh - 49px); }

/* --------------------------------------------------------------- sidebar */
.sidebar {
  width: 262px; flex: none; border-right: 1px solid var(--line);
  background: var(--bg-2); display: flex; flex-direction: column;
}
.sidebar-head, .sidebar-foot {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px; border-bottom: 1px solid var(--line); font-size: 13px;
}
.sidebar-foot { border-bottom: none; border-top: 1px solid var(--line); display: block; line-height: 1.4; }
.agent-list { list-style: none; margin: 0; padding: 6px; overflow-y: auto; flex: 1; }
.agent-item {
  display: flex; gap: 8px; align-items: flex-start;
  padding: 8px; border-radius: 8px; cursor: pointer; margin-bottom: 4px;
  border: 1px solid transparent; background: #fff;
}
.agent-item:hover { border-color: var(--line); }
.agent-item.active { background: var(--accent-soft); border-color: var(--accent); }
.agent-item .body { min-width: 0; flex: 1; }
.agent-item .name { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.agent-item .sub { font-size: 11px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bars { display: flex; gap: 6px; margin-top: 6px; }
.bar { flex: 1; height: 4px; border-radius: 2px; background: var(--bg-3); overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--accent); transition: width .3s ease; }
.bar.mem > i { background: #7c5cff; }

/* ---------------------------------------------------------------- content */
.content { flex: 1; display: flex; flex-direction: column; min-width: 0; background: var(--bg); }
.tabs { display: flex; gap: 2px; padding: 8px 12px 0; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.tab {
  padding: 8px 14px; border: 1px solid transparent; border-bottom: none;
  background: none; color: var(--muted); cursor: pointer; border-radius: 8px 8px 0 0;
}
.tab:hover { color: var(--fg); }
.tab.active {
  color: var(--accent); background: #fff; border-color: var(--line);
  font-weight: 600; margin-bottom: -1px; padding-bottom: 9px;
}
.panel { display: none; flex: 1; min-height: 0; flex-direction: column; }
.panel.active { display: flex; }

.toolbar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 14px; border-bottom: 1px solid var(--line); background: #fff;
}
.toolbar label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.toolbar label.check { color: var(--fg); }
.toolbar input[type=text], .toolbar select {
  background: #fff; border: 1px solid var(--line); border-radius: 7px; padding: 6px 9px;
}
.toolbar input[type=text]:focus, .toolbar select:focus {
  outline: 2px solid var(--accent-soft); border-color: var(--accent);
}
.toolbar input[type=text] { min-width: 220px; flex: 1; max-width: 520px; }
button.primary, button.ghost {
  padding: 7px 13px; border-radius: 8px; cursor: pointer; border: 1px solid var(--line);
  background: #fff; box-shadow: var(--shadow);
}
button.ghost:hover { background: var(--bg-3); }
button.primary {
  background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 500;
}
button.primary:hover { filter: brightness(1.06); }
button.ghost.small { padding: 3px 8px; font-size: 12px; box-shadow: none; }
button:disabled { opacity: .45; cursor: not-allowed; }
.upload-btn {
  padding: 7px 13px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff; cursor: pointer; color: var(--fg); box-shadow: var(--shadow);
}
.upload-btn:hover { background: var(--bg-3); }

/* ----------------------------------------------------------------- screen */
.screen-stage {
  flex: 1; position: relative; display: grid; place-items: center;
  background: #eceff4; overflow: auto; padding: 10px;
}
#screen {
  max-width: 100%; max-height: 100%; background: #fff; outline: none;
  cursor: crosshair; box-shadow: 0 2px 10px rgba(20, 28, 45, .12); border-radius: 4px;
}
#screen.controlling { cursor: none; box-shadow: 0 0 0 2px var(--accent); }
.stage-hint { position: absolute; color: var(--muted); pointer-events: none; }

/* ------------------------------------------------------------------ grids */
.split { flex: 1; display: flex; min-height: 0; }
.grid { width: 100%; border-collapse: collapse; font-size: 13px; }
.split .grid { flex: 1; overflow: auto; display: block; }
.panel > .grid { overflow: auto; display: block; }
.grid thead th {
  position: sticky; top: 0; background: var(--bg-2); text-align: left;
  padding: 8px 12px; border-bottom: 1px solid var(--line); color: var(--muted); font-weight: 500;
}
.grid td { padding: 6px 12px; border-bottom: 1px solid var(--line-soft); }
.grid tbody tr:hover { background: var(--bg-2); }
.grid .name-cell { cursor: pointer; }
.grid .dir { color: var(--accent); font-weight: 500; }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; }

.transfers { width: 300px; flex: none; border-left: 1px solid var(--line); padding: 12px; overflow-y: auto; background: var(--bg-2); }
.transfers h3 { margin: 0 0 10px; font-size: 13px; color: var(--muted); font-weight: 500; }
.transfers ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.transfers li { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: 12px; }
.transfers .bar { height: 4px; margin-top: 6px; }

/* -------------------------------------------------------------- 모니터링 */
.cards { padding: 14px; display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; overflow-y: auto; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px; box-shadow: var(--shadow); }
.card h3 { margin: 0 0 2px; font-size: 15px; }
.card .sub { color: var(--muted); font-size: 12px; margin-bottom: 10px; }
.metric-row { display: flex; align-items: center; gap: 8px; margin-bottom: 7px; font-size: 12px; }
.metric-row .label { width: 62px; color: var(--muted); }
.metric-row .value { width: 92px; text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------------------- 일괄 명령 */
.shell-output { flex: 1; overflow-y: auto; padding: 12px 14px; display: flex; flex-direction: column; gap: 10px; }
.shell-block { background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); }
.shell-head { display: flex; gap: 10px; align-items: center; padding: 8px 12px; border-bottom: 1px solid var(--line); font-size: 13px; background: var(--bg-2); }
.shell-head .code { margin-left: auto; font-size: 12px; }
.shell-block pre {
  margin: 0; padding: 10px 12px; white-space: pre-wrap; word-break: break-all;
  font: 12px/1.5 Consolas, "D2Coding", monospace; max-height: 320px; overflow: auto;
  background: #fcfdfe;
}
.shell-block pre.err { color: var(--bad); background: #fdf6f6; }
.tag-ok { color: var(--ok); }
.tag-bad { color: var(--bad); }

/* 스크롤바를 밝은 테마에 맞춘다 */
* { scrollbar-width: thin; scrollbar-color: #c8ced9 transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #c8ced9; border-radius: 6px; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: #aeb6c4; background-clip: content-box; }
::-webkit-scrollbar-track { background: transparent; }

/* ------------------------------------------------------------- 관리 탭 */
.subtab {
  padding: 6px 12px; border: 1px solid var(--line); border-radius: 8px;
  background: #fff; color: var(--muted); cursor: pointer;
}
.subtab.active { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 600; }
.admin-body { flex: 1; min-height: 0; overflow: auto; }
.subpanel { display: none; padding: 14px; }
.subpanel.active { display: block; }
.toolbar.inner { border-bottom: none; padding: 0 0 12px; background: transparent; }
.card.wide { max-width: 860px; }
.card.wide h3 { margin: 0 0 4px; font-size: 15px; }
.card.wide p { margin: 0 0 14px; }
.form-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.form-row label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.form-row input[type=text], .form-row input[type=password] {
  padding: 7px 10px; border: 1px solid var(--line); border-radius: 7px; background: #fff; min-width: 200px;
}
.form-row.checks label.check { color: var(--fg); }
.warn-tag {
  font-size: 11px; padding: 1px 6px; border-radius: 999px;
  background: #fdf2f3; color: var(--bad); border: 1px solid #f2c2c6;
}
.result-head { display: flex; align-items: center; gap: 10px; margin: 16px 0 8px; }
.result-head b { font-size: 13px; }
#mint-ini {
  margin: 0; padding: 12px; background: #f7f8fa; border: 1px solid var(--line);
  border-radius: 8px; font: 12px/1.6 Consolas, "D2Coding", monospace;
  white-space: pre-wrap; word-break: break-all; max-height: 340px; overflow: auto;
}
.role-pill {
  font-size: 11px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--bg-3); color: var(--muted);
}
.role-pill.admin { background: #fdf2f3; color: var(--bad); border-color: #f2c2c6; }
.role-pill.operator { background: var(--accent-soft); color: var(--accent); border-color: #bcd4fb; }
.tag-on { color: var(--ok); font-weight: 600; }
.tag-off { color: var(--muted); }