:root {
  --red: #dc2626;
  --ink: #0f172a;
  --muted: #64748b;
  --faint: #94a3b8;
  --bg: #f1f5f9;
  --card: #ffffff;
  --line: #e2e8f0;
  --green: #16a34a;
  --amber: #d97706;
  --shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 8px 24px rgba(15, 23, 42, .06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e2e8f0;
    --muted: #94a3b8;
    --faint: #64748b;
    --bg: #0b1220;
    --card: #131c2e;
    --line: #24304a;
    --shadow: 0 1px 3px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .3);
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

/* display 를 지정한 클래스가 hidden 속성을 이기지 못하게 — 토글의 단일 진실 */
[hidden] { display: none !important; }

body {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── 상단바 ───────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.brand-oh { color: var(--red); font-weight: 900; font-size: 22px; letter-spacing: -0.5px; }
.brand-name { font-weight: 700; font-size: 17px; }
.preview-badge {
  font-size: 11px; font-weight: 700; color: var(--amber);
  border: 1px solid currentColor; border-radius: 999px; padding: 2px 8px;
}

.auth-area { display: flex; align-items: center; }
.btn-login {
  display: inline-flex; align-items: center; gap: 8px;
  font: inherit; font-size: 14px; font-weight: 600;
  color: var(--ink); background: var(--card);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 8px 14px; cursor: pointer;
}
.btn-login:hover { border-color: var(--faint); }
.user-chip { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; }
.role-tag {
  font-size: 11px; font-weight: 800; color: var(--red);
  border: 1px solid currentColor; border-radius: 6px; padding: 1px 6px;
}
.btn-logout {
  font: inherit; font-size: 12px; color: var(--muted);
  background: none; border: 1px solid var(--line); border-radius: 8px;
  padding: 4px 10px; cursor: pointer;
}
.btn-logout:hover { color: var(--ink); }

/* ── 본문 ───────────────────────────── */
.container {
  width: 100%; max-width: 1080px;
  margin: 0 auto; padding: 36px 20px 20px;
  flex: 1;
}
.group-title {
  font-size: 13px; font-weight: 800; letter-spacing: 1.5px;
  color: var(--faint);
  margin: 26px 0 12px;
}
.group-title:first-child { margin-top: 0; }

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
.app-card {
  display: flex; flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px 24px 22px;
  text-decoration: none; color: inherit;
  box-shadow: var(--shadow);
  transition: transform .12s ease, border-color .12s ease;
}
.app-card:hover { transform: translateY(-3px); border-color: var(--red); }
.app-card:active { transform: translateY(-1px); }

.wordmark { font-size: 30px; font-weight: 800; letter-spacing: -0.5px; }
.wordmark .oh { color: var(--red); font-weight: 900; }
.sub { font-size: 11px; font-weight: 700; letter-spacing: 2px; color: var(--faint); margin-top: 4px; }
.desc { font-size: 14px; color: var(--muted); margin-top: 14px; }

.status-row { display: flex; align-items: center; gap: 7px; margin-top: 16px; }
.dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.dot.checking { background: var(--faint); animation: pulse 1.2s ease-in-out infinite; }
.dot.up { background: var(--green); }
.dot.down { background: var(--red); }
.dot.unknown { background: var(--faint); }
@keyframes pulse { 50% { opacity: .35; } }
.status-text { font-size: 13px; color: var(--muted); }

.go-btn {
  margin-top: 18px;
  text-align: center;
  font-size: 16px; font-weight: 700; color: #fff;
  background: var(--red);
  border-radius: 12px;
  padding: 13px 0;
}
.app-card:hover .go-btn { filter: brightness(1.08); }

/* ── 보조 링크 ───────────────────────────── */
.extra-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}
.extra-card {
  display: block;
  background: var(--card);
  border: 1px dashed var(--line);
  border-radius: 14px;
  padding: 16px 20px;
  text-decoration: none; color: inherit;
}
.extra-card:hover { border-color: var(--faint); }
.extra-title { font-size: 15px; font-weight: 700; }
.extra-desc { font-size: 13px; color: var(--muted); margin-top: 4px; }

.worker-note {
  margin-top: 26px;
  font-size: 13px; color: var(--faint);
  text-align: center;
}

/* ── 로그인 게이트 ───────────────────────────── */
.login-overlay {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg); /* 불투명 — 로그인 전엔 뒤 화면 안 보임 */
}
.login-box {
  display: flex; flex-direction: column; align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 44px 40px 30px;
  width: min(92vw, 380px);
  box-shadow: var(--shadow);
}
.login-mark { font-size: 34px; font-weight: 800; letter-spacing: -0.5px; }
.login-mark .oh { color: var(--red); font-weight: 900; }
.login-sub { font-size: 13px; font-weight: 700; letter-spacing: 3px; color: var(--faint); margin-top: 6px; }
.btn-google {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%;
  margin-top: 30px;
  font: inherit; font-size: 16px; font-weight: 700;
  color: var(--ink); background: var(--card);
  border: 1.5px solid var(--line); border-radius: 12px;
  padding: 14px 0; cursor: pointer;
}
.btn-google:hover { border-color: var(--faint); }
.btn-skip {
  margin-top: 14px;
  font: inherit; font-size: 14px; font-weight: 600;
  color: var(--muted); background: none;
  border: none; cursor: pointer;
  text-decoration: underline; text-underline-offset: 3px;
}
.btn-skip:hover { color: var(--ink); }
.login-hint { margin-top: 22px; font-size: 12px; color: var(--faint); text-align: center; line-height: 1.6; }
.login-view { display: flex; flex-direction: column; align-items: center; width: 100%; }

/* 작업자 선택 */
.worker-title { font-size: 16px; font-weight: 800; margin-top: 24px; }
.worker-list {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px;
  width: 100%; margin-top: 14px;
  max-height: 40vh; overflow-y: auto;
}
.worker-btn {
  font: inherit; font-size: 16px; font-weight: 700;
  color: var(--ink); background: var(--card);
  border: 1.5px solid var(--line); border-radius: 12px;
  padding: 14px 6px; cursor: pointer;
}
.worker-btn:hover { border-color: var(--faint); }
.worker-btn.selected { border-color: var(--red); color: var(--red); }
.worker-more {
  grid-column: 1 / -1;
  border-style: dashed;
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
  padding: 11px 6px;
}
.worker-loading { grid-column: 1 / -1; text-align: center; color: var(--faint); font-size: 14px; padding: 12px 0; }
.worker-pw-row { display: flex; gap: 8px; width: 100%; margin-top: 12px; }
.worker-pw-row input {
  flex: 1; min-width: 0;
  font: inherit; font-size: 16px;
  color: var(--ink); background: var(--card);
  border: 1.5px solid var(--line); border-radius: 10px;
  padding: 12px;
}
.btn-pw {
  font: inherit; font-size: 15px; font-weight: 700;
  color: #fff; background: var(--red);
  border: none; border-radius: 10px;
  padding: 0 18px; cursor: pointer;
}
.worker-error { margin-top: 12px; font-size: 13px; font-weight: 700; color: var(--red); }

/* ── 오류 바 / 푸터 ───────────────────────────── */
.error-bar {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  max-width: 90vw;
  background: #7f1d1d; color: #fecaca;
  font-size: 14px; font-weight: 600;
  border-radius: 12px; padding: 12px 18px;
  box-shadow: var(--shadow);
}
.footer {
  text-align: center; font-size: 12px; color: var(--faint);
  padding: 18px 10px 22px;
}

@media (max-width: 640px) {
  .topbar { padding: 12px 16px; }
  .brand-name { font-size: 15px; }
  .container { padding-top: 24px; }
  .wordmark { font-size: 26px; }
}