:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #60707c;
  --line: #d8e2e6;
  --surface: #ffffff;
  --panel: #f6fafb;
  --wash: #edf3f5;
  --green: #0b6b5f;
  --green-deep: #0b4f4a;
  --blue: #285a8f;
  --amber: #a85f00;
  --red: #b42318;
  --ok: #0f7a45;
  --shadow: 0 16px 38px rgba(17, 24, 39, 0.1);
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--wash);
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

body.auth-locked {
  overflow: hidden;
}

.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 20px;
  background: #e9f0f2;
}

body:not(.auth-locked) .auth-gate {
  display: none;
}

.auth-panel {
  width: min(440px, 100%);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 28px;
}

.auth-mark,
.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  background: var(--green-deep);
  color: #fff;
  font-weight: 900;
}

.auth-panel h1 {
  margin: 0 0 10px;
  font-size: 30px;
  letter-spacing: 0;
}

.auth-copy {
  margin-bottom: 22px;
  color: var(--muted);
  line-height: 1.6;
}

.auth-panel label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-weight: 800;
}

.auth-row {
  display: grid;
  grid-template-columns: 1fr 96px;
  gap: 8px;
}

.auth-row input {
  min-width: 0;
  height: 48px;
  border: 1px solid #b8ccd2;
  border-radius: 8px;
  padding: 0 14px;
}

.auth-row button,
.install-button,
.ghost-button,
.lock-button,
.role-button {
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 900;
  padding: 0 14px;
}

.auth-row button,
.install-button {
  background: var(--green);
  color: #fff;
}

.auth-error {
  min-height: 22px;
  margin: 12px 0 0;
  color: var(--red);
  font-weight: 800;
}

.app-shell {
  min-height: 100vh;
}

body.auth-locked .app-shell {
  filter: blur(5px);
  pointer-events: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  padding: 14px clamp(16px, 3vw, 42px);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 18px;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.topnav {
  display: flex;
  gap: 4px;
  overflow-x: auto;
}

.topnav a {
  border-radius: 8px;
  color: var(--muted);
  font-weight: 900;
  padding: 10px 12px;
  white-space: nowrap;
}

.topnav a:hover {
  background: var(--panel);
  color: var(--ink);
}

.top-actions {
  display: flex;
  gap: 8px;
}

.ghost-button,
.lock-button,
.role-button {
  background: var(--surface);
  border-color: #b8ccd2;
  color: var(--green-deep);
}

.lock-button {
  color: var(--red);
}

main {
  padding: 26px clamp(14px, 3vw, 42px) 72px;
}

.overview,
.section {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.overview {
  padding: clamp(20px, 3vw, 34px);
}

.page-title,
.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.page-title h1,
.section-heading h2 {
  margin: 0;
  letter-spacing: 0;
}

.page-title h1 {
  font-size: clamp(32px, 4vw, 50px);
}

.page-title p {
  max-width: 820px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--amber);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.time-card {
  min-width: 180px;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 16px;
}

.time-card span,
.section-note {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.time-card strong {
  display: block;
  margin-top: 6px;
  font-size: 20px;
}

.role-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 24px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.role-toolbar span {
  color: var(--muted);
  font-weight: 900;
}

.role-button.active {
  background: var(--green-deep);
  border-color: var(--green-deep);
  color: #fff;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.control-card,
.app-card,
.status-row,
.domain-card,
.install-grid article,
.agent-grid article {
  border: 1px solid var(--line);
  background: var(--panel);
}

.control-card {
  display: flex;
  min-height: 230px;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px;
}

.control-card header,
.app-card header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.card-icon {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 8px;
  background: #e3eef4;
  color: var(--blue);
  font-weight: 900;
}

.control-card h2,
.app-card h3 {
  margin: 12px 0 8px;
  font-size: 23px;
  letter-spacing: 0;
}

.control-card p,
.app-card p,
.install-section p,
.agent-grid p {
  color: var(--muted);
  line-height: 1.58;
}

.metric-line {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0;
}

.metric-line span {
  border-top: 1px solid var(--line);
  padding-top: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.metric-line strong {
  display: block;
  margin-top: 5px;
  color: var(--ink);
  font-size: 20px;
}

.card-actions,
.app-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.card-actions a,
.app-actions a {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid #b8ccd2;
  border-radius: 8px;
  background: #fff;
  color: var(--green-deep);
  font-weight: 900;
  padding: 0 12px;
}

.card-actions a.primary,
.app-actions a.primary {
  background: var(--green-deep);
  border-color: var(--green-deep);
  color: #fff;
}

.section {
  margin-top: 22px;
  padding: clamp(18px, 3vw, 30px);
}

.section-heading {
  margin-bottom: 18px;
}

.section-heading h2 {
  font-size: clamp(25px, 3vw, 36px);
}

.status-list,
.domain-grid,
.install-grid,
.agent-grid {
  display: grid;
  gap: 12px;
}

.status-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.status-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 16px;
}

.status-row strong {
  display: block;
  margin-bottom: 4px;
}

.status-row small {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.status-pill {
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
  padding: 7px 10px;
  white-space: nowrap;
}

.status-pill.ok {
  background: #e5f5ec;
  color: var(--ok);
}

.status-pill.warn {
  background: #fff2db;
  color: var(--amber);
}

.status-pill.down {
  background: #fee4e2;
  color: var(--red);
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.app-card {
  min-height: 215px;
  padding: 18px;
}

.app-badge {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  border-radius: 999px;
  background: #e8f3f1;
  color: var(--green-deep);
  font-size: 12px;
  font-weight: 900;
  padding: 0 10px;
}

.app-card[data-hidden="true"],
.control-card[data-hidden="true"] {
  display: none;
}

.domain-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.domain-card {
  padding: 18px;
}

.domain-card span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.domain-card strong {
  display: block;
  margin-top: 8px;
  overflow-wrap: anywhere;
}

.domain-card em {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-style: normal;
}

.install-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 22px;
}

.install-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.install-grid article,
.agent-grid article {
  padding: 18px;
}

.install-grid strong,
.install-grid span {
  display: block;
}

.install-grid span {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.55;
}

.agent-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.agent-grid span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  border-radius: 999px;
  background: #e3eef4;
  color: var(--blue);
  font-weight: 900;
  padding: 0 10px;
}

.agent-grid h3 {
  margin: 14px 0 8px;
}

@media (max-width: 1100px) {
  .topbar {
    grid-template-columns: 1fr;
  }

  .top-actions {
    flex-wrap: wrap;
  }

  .control-grid,
  .app-grid,
  .domain-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  main {
    padding: 14px 10px 44px;
  }

  .topbar {
    padding: 12px;
  }

  .brand {
    min-width: 0;
  }

  .brand small {
    display: none;
  }

  .page-title,
  .section-heading,
  .install-section {
    display: block;
  }

  .time-card {
    margin-top: 14px;
  }

  .control-grid,
  .status-list,
  .app-grid,
  .domain-grid,
  .install-grid,
  .agent-grid {
    grid-template-columns: 1fr;
  }

  .auth-row {
    grid-template-columns: 1fr;
  }

  .control-card {
    min-height: 0;
  }

  .status-row {
    grid-template-columns: 1fr;
  }
}