/* 매커스 원격 지원 — 공용 스타일 (라이트·다크) */
:root {
  --bg: #eef2f7;
  --panel: #ffffff;
  --panel-2: #f6f8fb;
  --text: #0f172a;
  --muted: #475569;
  --faint: #64748b;
  --line: #d5dde8;
  --brand: #1d4ed8;
  --brand-ink: #ffffff;
  --brand-soft: #e0e9ff;
  --ok: #15803d;
  --ok-soft: #dcfce7;
  --warn: #b45309;
  --warn-soft: #fef3c7;
  --bad: #b91c1c;
  --bad-soft: #fee2e2;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .06);
  --radius: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --panel: #121b2e;
    --panel-2: #172238;
    --text: #e6edf7;
    --muted: #a9b7cc;
    --faint: #8494ad;
    --line: #26344d;
    --brand: #4f80ff;
    --brand-ink: #ffffff;
    --brand-soft: #1b2b52;
    --ok: #4ade80;
    --ok-soft: #12321f;
    --warn: #fbbf24;
    --warn-soft: #3a2c0b;
    --bad: #f87171;
    --bad-soft: #3b1414;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 "Pretendard Variable", Pretendard, "Malgun Gothic", "Apple SD Gothic Neo", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); }
[hidden] { display: none !important; }

/* 상단 */
.top {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; letter-spacing: -.01em; }
.brand .mark {
  width: 30px; height: 30px; border-radius: 8px; background: var(--brand); color: var(--brand-ink);
  display: grid; place-items: center; font-size: 14px; font-weight: 800;
}
.brand small { font-weight: 500; color: var(--muted); font-size: 13px; }
.spacer { flex: 1; }

/* 버튼·입력 */
button, .btn {
  font: inherit; font-weight: 600; font-size: 14px;
  border: 1px solid var(--line); background: var(--panel); color: var(--text);
  padding: 8px 14px; border-radius: 8px; cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; white-space: nowrap;
}
button:hover, .btn:hover { border-color: var(--brand); }
button:disabled { opacity: .5; cursor: default; }
button.primary, .btn.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
button.primary:hover, .btn.primary:hover { filter: brightness(1.08); }
button.danger { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 40%, var(--line)); }
button.danger:hover { background: var(--bad-soft); }
button.on { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); }
button.small { padding: 5px 10px; font-size: 13px; }
button.big, .btn.big { padding: 12px 20px; font-size: 16px; }

label { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin: 0 0 6px; }
input, select, textarea {
  font: inherit; width: 100%; color: var(--text); background: var(--panel);
  border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--brand) 45%, transparent); border-color: var(--brand); }
textarea { resize: vertical; min-height: 84px; }
.field { margin-bottom: 14px; }
.req::after { content: " *"; color: var(--bad); }

/* 카드 */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; }
.card h2 { margin: 0 0 6px; font-size: 19px; letter-spacing: -.01em; }
.card h3 { margin: 0 0 6px; font-size: 16px; }
.muted { color: var(--muted); }
.faint { color: var(--faint); font-size: 13px; }
.err { color: var(--bad); font-size: 14px; margin-top: 8px; min-height: 1.2em; }

.wrap { max-width: 880px; margin: 28px auto; padding: 0 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 680px) { .grid2 { grid-template-columns: 1fr; } }

/* 상태 표시 */
.chip { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 700; padding: 3px 9px; border-radius: 999px; background: var(--panel-2); color: var(--muted); border: 1px solid var(--line); white-space: nowrap; }
.chip.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.chip.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.chip.bad { background: var(--bad-soft); color: var(--bad); border-color: transparent; }
.chip.brand { background: var(--brand-soft); color: var(--brand); border-color: transparent; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; display: inline-block; }
.pulse { animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: .35; } }

/* 고객: 코드 */
.code {
  font: 800 46px/1 ui-monospace, "Cascadia Mono", Consolas, monospace; letter-spacing: .14em;
  color: var(--brand); background: var(--brand-soft); border-radius: 12px; padding: 16px 22px; display: inline-block;
}
.option { display: flex; flex-direction: column; gap: 10px; }
.option ol { margin: 0; padding-left: 20px; color: var(--muted); font-size: 14px; }
.badge { font-size: 12px; font-weight: 700; color: var(--brand); }

/* 채팅 */
.chat { display: flex; flex-direction: column; min-height: 0; }
.chat-log { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; padding: 10px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; min-height: 140px; max-height: 320px; }
.msg { max-width: 85%; padding: 7px 11px; border-radius: 10px; background: var(--panel); border: 1px solid var(--line); font-size: 14px; word-break: break-word; white-space: pre-wrap; }
.msg .who { font-size: 11px; font-weight: 700; color: var(--faint); display: block; margin-bottom: 2px; }
.msg.mine { align-self: flex-end; background: var(--brand-soft); border-color: transparent; }
.msg.sys { align-self: center; background: transparent; border: 0; color: var(--faint); font-size: 12px; padding: 2px; }
.chat-form { display: flex; gap: 8px; margin-top: 8px; }

/* 엔지니어 콘솔 */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.tabs button { border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: none; color: var(--muted); padding: 10px 14px; }
.tabs button.active { color: var(--brand); border-bottom-color: var(--brand); }
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar input, .toolbar select { width: auto; }
.list { display: flex; flex-direction: column; gap: 10px; }
.sess {
  display: grid; grid-template-columns: 110px 1fr auto; gap: 14px; align-items: center;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; cursor: pointer;
}
.sess:hover { border-color: var(--brand); box-shadow: var(--shadow); }
.sess.ended { opacity: .6; cursor: default; }
.sess .scode { font: 800 22px/1 ui-monospace, Consolas, monospace; letter-spacing: .08em; color: var(--brand); }
.sess .who { font-weight: 700; }
.sess .meta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.sess .issue { color: var(--muted); font-size: 13px; margin-top: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
@media (max-width: 680px) { .sess { grid-template-columns: 1fr; } }
.empty { text-align: center; padding: 48px 16px; color: var(--faint); border: 1px dashed var(--line); border-radius: var(--radius); }
table.t { width: 100%; border-collapse: collapse; font-size: 13px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
table.t th, table.t td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.t th { background: var(--panel-2); color: var(--muted); font-weight: 700; }
.scroll-x { overflow-x: auto; }

/* 원격 화면 */
body.viewer { height: 100vh; display: flex; flex-direction: column; overflow: hidden; }
.vbar { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; padding: 8px 12px; background: var(--panel); border-bottom: 1px solid var(--line); }
.vbar .info { display: flex; flex-direction: column; line-height: 1.25; margin-right: 6px; min-width: 0; }
.vbar .info b { font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 260px; }
.vbar .info span { font-size: 12px; color: var(--faint); }
.vbar select { width: auto; padding: 5px 8px; font-size: 13px; }
.vmain { flex: 1; display: flex; min-height: 0; }
.stage { flex: 1; position: relative; overflow: auto; background: #1e2433; display: flex; }
.stage.fit { overflow: hidden; }
.screen-wrap { position: relative; margin: auto; line-height: 0; }
#screen { display: block; background: #000; image-rendering: auto; outline: none; }
#screen.control { cursor: crosshair; }
#cursor { position: absolute; left: 0; top: 0; pointer-events: none; width: 18px; height: 18px; transform: translate(-2px, -2px); }
.overlay-msg { position: absolute; inset: 0; display: grid; place-items: center; color: #cbd5e1; text-align: center; padding: 24px; font-size: 15px; line-height: 1.6; }
.side { width: 320px; border-left: 1px solid var(--line); background: var(--panel); display: flex; flex-direction: column; padding: 12px; gap: 12px; min-height: 0; }
.side .chat { flex: 1; }
.side .chat-log { max-height: none; }
@media (max-width: 900px) { .side { position: absolute; right: 0; top: 0; bottom: 0; z-index: 5; box-shadow: var(--shadow); } }
.people { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: #0f172a; color: #fff; padding: 10px 16px; border-radius: 10px; font-size: 14px; box-shadow: var(--shadow); z-index: 50; max-width: 90vw; }
dialog { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); color: var(--text); padding: 20px; width: min(520px, 92vw); box-shadow: var(--shadow); }
dialog::backdrop { background: rgba(2, 6, 23, .5); }
.row { display: flex; gap: 8px; justify-content: flex-end; margin-top: 14px; }
.sep { width: 1px; height: 24px; background: var(--line); margin: 0 4px; }

/* 내려받기·실행 경고 안내 */
.warnhelp { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; background: var(--panel-2); font-size: 14px; }
.warnhelp summary { cursor: pointer; font-weight: 700; color: var(--warn); }
.warnhelp[open] summary { margin-bottom: 6px; }
.warnhelp .wstep { margin-top: 10px; }
.warnhelp ol { margin: 4px 0 0; padding-left: 20px; color: var(--muted); }

/* 케이스 파일 */
.dropzone { border: 2px dashed var(--line); border-radius: 12px; padding: 22px 16px; text-align: center; cursor: pointer; display: flex; flex-direction: column; gap: 4px; background: var(--panel-2); }
.dropzone:hover, .dropzone:focus, .dropzone.over { border-color: var(--brand); background: var(--brand-soft); outline: none; }
.uploads { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.upl { font-size: 13px; display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; }
.upl progress { grid-column: 1 / -1; width: 100%; height: 6px; accent-color: var(--brand); }
.upl.err { color: var(--bad); }
.filelist { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.fileitem { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); font-size: 13px; }
.fileitem .fname { font-weight: 600; word-break: break-all; }
.fileitem .fmeta { color: var(--faint); font-size: 12px; }
.fileitem .grow { flex: 1; min-width: 0; }
.fileitem a.btn { padding: 4px 10px; font-size: 12px; }
.cmd { display: flex; gap: 8px; align-items: flex-start; }
.cmd code { flex: 1; font: 12px/1.5 ui-monospace, Consolas, monospace; background: #0f172a; color: #e2e8f0; padding: 8px 10px; border-radius: 8px; word-break: break-all; }