:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --surface: #ffffff;
  --surface-strong: #f0f4f3;
  --text: #202426;
  --muted: #657174;
  --line: #d8e0df;
  --line-strong: #d7dfde;
  --accent: #00d981;
  --accent-dark: #007a53;
  --nfon-blue: #3513cf;
  --purple-mid: #7146f2;
  --signal-blue: #2467f5;
  --coral: #f36b5b;
  --amber: #d39a25;
  --danger: #bf3140;
  --warning: #a45b00;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --font-xs: 11px;
  --font-sm: 12px;
  --font-base: 14px;
  --font-md: 16px;
  --font-lg: 20px;
  --font-xl: 24px;
  --font-2xl: 32px;
  --lh-tight: 1.16;
  --lh-body: 1.45;
  --shadow: 0 14px 32px rgba(31, 42, 45, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: var(--font-base);
  line-height: var(--lh-body);
  letter-spacing: 0;
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
}

.sr-only {
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  position: absolute;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app-header {
  min-height: 76px;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: #050706;
  color: #ffffff;
  border-bottom: 4px solid var(--accent);
}

.header-title-row,
.brand-lockup {
  min-width: 220px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.home-icon-button {
  width: 42px;
  min-width: 42px;
  height: 38px;
  border: 1px solid #586662;
  background: transparent;
  color: #ffffff;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.home-icon-button:hover,
.home-icon-button:focus-visible {
  border-color: var(--accent);
  outline: none;
}

.home-icon-button svg {
  width: 18px;
  height: 18px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.app-header h1,
.app-header p,
.api-card h2,
.api-card p,
.core-list,
.core-list dt,
.core-list dd {
  margin: 0;
}

.app-header h1 {
  font-size: var(--font-xl);
  font-weight: 700;
  line-height: var(--lh-body);
}

.app-header p {
  margin-top: 3px;
  color: #cbd4d2;
  font-size: var(--font-base);
  line-height: var(--lh-body);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.connection {
  min-width: 96px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #d9e5e2;
  font-weight: 800;
  cursor: default;
}

.connection::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: #7a8582;
  box-shadow: 0 0 0 4px rgba(122, 133, 130, 0.16);
}

.connection.is-online {
  color: #ffffff;
}

.connection.is-online::before {
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 217, 129, 0.18);
}

.connection.is-warning {
  color: #ffe0a8;
}

.connection.is-warning::before {
  background: #d8a340;
  box-shadow: 0 0 0 4px rgba(216, 163, 64, 0.18);
}

.connection.is-offline {
  color: #ffc3c9;
}

.connection.is-offline::before {
  background: var(--danger);
  box-shadow: 0 0 0 4px rgba(191, 49, 64, 0.18);
}

.app-shell {
  max-width: 1540px;
  margin: 0 auto;
  padding: var(--space-6);
}

.welcome-board {
  display: flex;
  flex-direction: column;
}

.api-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  align-items: stretch;
  gap: var(--space-6);
}

.api-card-shell {
  --tone: var(--accent);
  --tone-soft-hover: rgba(0, 217, 129, 0.13);
  min-width: 0;
  min-height: 496px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.api-card-shell.tone-blue {
  --tone: var(--signal-blue);
  --tone-soft-hover: rgba(36, 103, 245, 0.11);
}

.api-card-shell.tone-purple {
  --tone: var(--purple-mid);
  --tone-soft-hover: rgba(113, 70, 242, 0.11);
}

.api-card {
  --state: #7a8582;
  --state-soft: rgba(122, 133, 130, 0.09);
  --state-line: rgba(122, 133, 130, 0.22);
  min-width: 0;
  flex: 1;
  height: 100%;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
  position: relative;
  overflow: visible;
  perspective: 1500px;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.api-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--tone);
  z-index: 2;
}

.api-card-shell:hover .api-card {
  background: linear-gradient(180deg, var(--tone-soft-hover), #ffffff 74%);
}

.api-card::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.72);
  pointer-events: none;
}

.api-card-shell:hover .api-card,
.api-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--tone) 42%, var(--line));
  box-shadow: 0 18px 42px rgba(31, 42, 45, 0.12);
}

.api-card.is-online {
  --state: var(--accent);
  --state-soft: rgba(0, 217, 129, 0.08);
  --state-line: rgba(0, 217, 129, 0.35);
}

.api-card.is-warning {
  --state: var(--amber);
  --state-soft: rgba(211, 154, 37, 0.08);
  --state-line: rgba(211, 154, 37, 0.36);
}

.api-card.is-offline {
  --state: var(--danger);
  --state-soft: rgba(191, 49, 64, 0.07);
  --state-line: rgba(191, 49, 64, 0.32);
}

.api-card.is-selected {
  border-color: color-mix(in srgb, var(--tone) 52%, var(--line));
}

.card-link {
  min-height: 350px;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  position: relative;
  color: inherit;
  text-decoration: none;
}

.card-link:focus-visible {
  outline: 3px solid rgba(0, 217, 129, 0.4);
  outline-offset: -6px;
}

.api-card-header,
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  position: relative;
  z-index: 1;
}

.api-card-header {
  padding-right: 36px;
}

.service-index {
  color: var(--muted);
  font-size: var(--font-sm);
  font-weight: 850;
  text-transform: uppercase;
}

.status-chip {
  min-height: 34px;
  min-width: 132px;
  padding: 0 8px 0 10px;
  border: 1px solid color-mix(in srgb, var(--state) 62%, var(--line));
  background: var(--state-soft);
  color: color-mix(in srgb, var(--state) 72%, var(--text));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: var(--font-xs);
  font-weight: 850;
  text-transform: uppercase;
  white-space: nowrap;
}

.status-label {
  min-width: 42px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--state);
  box-shadow: 0 0 0 4px var(--state-soft);
}

.card-body {
  min-height: 190px;
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  position: relative;
  z-index: 1;
}

.panel-kicker {
  color: var(--muted);
  font-size: var(--font-sm);
  font-weight: 850;
  text-transform: uppercase;
}

.preview-badge {
  width: max-content;
  margin-bottom: 14px;
  padding: 5px 8px;
  background: #050807;
  color: #ffffff;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.18);
  font-size: 10px;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.api-card h2 {
  margin-top: 8px;
  min-height: 74px;
  overflow: hidden;
  font-size: clamp(30px, 2.7vw, 38px);
  line-height: 1.03;
  font-weight: 800;
  letter-spacing: 0;
}

.api-card h2 span {
  display: block;
}

.api-card p {
  max-width: 360px;
  min-height: 44px;
  margin-top: 10px;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  color: var(--muted);
  font-size: var(--font-base);
  line-height: var(--lh-body);
}

.mini-ekg {
  width: 72px;
  height: 22px;
  display: block;
  overflow: hidden;
}

.status-chip .mini-ekg {
  width: 60px;
  height: 18px;
}

.ekg-signal,
.ekg-flatline {
  stroke: var(--state);
}

.ekg-signal,
.ekg-flatline {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.ekg-signal {
  stroke-width: 2.7;
}

.ekg-mask-window {
  transform: translateX(-36px);
  animation: ekg-mask-flow var(--beat-speed, 2.45s) linear infinite;
}

.ekg-flatline {
  display: block;
  stroke-width: 2.4;
  opacity: 0.16;
}

.is-online {
  --beat-speed: 2.55s;
}

.is-warning {
  --beat-speed: 1.25s;
}

.is-checking {
  --beat-speed: 1.75s;
}

.is-offline .ekg-signal {
  display: none;
}

.is-offline .ekg-flatline {
  display: block;
}

.core-list {
  display: grid;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-6);
  position: relative;
  z-index: 1;
}

.core-list div {
  min-height: 58px;
  padding: var(--space-2) 10px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  align-items: center;
  gap: 16px;
}

.core-list dt {
  color: var(--muted);
  font-size: var(--font-xs);
  font-weight: 850;
  text-transform: uppercase;
}

.core-list dd {
  font-weight: 780;
  line-height: 1.25;
  min-width: 0;
  text-align: right;
  white-space: normal;
  overflow-wrap: anywhere;
}

.card-footer {
  min-height: 44px;
  margin-top: 14px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.card-footer span {
  color: var(--muted);
  font-size: var(--font-xs);
  font-weight: 780;
  text-transform: uppercase;
}

.card-route-hint {
  color: color-mix(in srgb, var(--tone) 72%, var(--text));
  font-size: var(--font-xs);
  font-weight: 850;
  opacity: 0;
  text-transform: uppercase;
  transform: translateY(2px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.api-card-shell:hover .card-route-hint,
.card-link:focus-visible .card-route-hint {
  opacity: 1;
  transform: translateY(0);
}

.service-start {
  min-height: 44px;
  width: 100%;
  border: 1px solid color-mix(in srgb, var(--tone) 42%, var(--line));
  background: #ffffff;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  font: inherit;
  font-size: var(--font-base);
  font-weight: 850;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.service-start span {
  display: block;
  visibility: visible;
  transition: opacity 140ms ease, transform 140ms ease;
}

.button-label-hover {
  opacity: 0;
  position: absolute;
  transform: translateY(5px);
  visibility: hidden;
}

.api-card-shell:hover .service-start:not(:disabled) .button-label-rest,
.service-start:not(:disabled):focus-visible .button-label-rest {
  opacity: 0;
  transform: translateY(-5px);
  visibility: hidden;
}

.api-card-shell:hover .service-start:not(:disabled) .button-label-hover,
.service-start:not(:disabled):focus-visible .button-label-hover {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.service-start:not(:disabled):hover {
  background: var(--tone-soft-hover);
  border-color: var(--tone);
  color: color-mix(in srgb, var(--tone) 62%, var(--text));
  transform: translateY(-1px);
}

.service-start:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--tone) 28%, transparent);
  outline-offset: 2px;
}

.service-start:disabled {
  color: var(--muted);
  cursor: default;
  opacity: 0.72;
}

.service-start.is-online:not(:disabled):hover,
.service-start.is-warning:not(:disabled):hover {
  background: rgba(191, 49, 64, 0.07);
  border-color: var(--danger);
  color: var(--danger);
}

@keyframes ekg-mask-flow {
  0% {
    transform: translateX(-36px);
  }

  84%,
  100% {
    transform: translateX(90px);
  }
}

.card-flip {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
}

.api-card.is-flipped .card-flip {
  transform: rotateY(180deg);
  -webkit-transform: rotateY(180deg);
}

/* Both faces are absolutely stacked in the same 3D box. Each hides its own
   backside, so the rotated-away face disappears (reliable in WebKit/Safari). */
.card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.card-front {
  transform: rotateY(0deg);
  -webkit-transform: rotateY(0deg);
}

.api-card.is-flipped .card-front {
  pointer-events: none;
}

.card-back-face {
  display: flex;
  transform: rotateY(180deg);
  -webkit-transform: rotateY(180deg);
}

.card-edit {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 4;
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  color: var(--muted);
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 150ms ease, color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.api-card-shell:hover .card-edit,
.card-edit:focus-visible {
  opacity: 1;
}

.card-edit:hover {
  color: color-mix(in srgb, var(--tone) 70%, var(--text));
  border-color: var(--tone);
  transform: translateY(-1px);
}

.card-edit:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--tone) 28%, transparent);
  outline-offset: 2px;
}

.card-back {
  width: 100%;
  height: 100%;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  background: var(--surface);
}

.editor-top {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.editor-body {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}

.editor-close {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--muted);
  cursor: pointer;
  transition: color 150ms ease, border-color 150ms ease;
}

.editor-close:hover {
  color: var(--text);
  border-color: var(--tone);
}

.editor-label {
  margin-top: 4px;
  color: var(--text);
  font-size: var(--font-md);
  font-weight: 820;
  line-height: 1.15;
}

.editor-input {
  width: 100%;
  min-height: 46px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--text);
  font: inherit;
  font-size: 14px;
}

.editor-input:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--tone) 28%, transparent);
  outline-offset: 1px;
  border-color: var(--tone);
}

.editor-meta {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
}

.editor-error {
  margin: 0;
  color: var(--danger);
  font-size: 12px;
  font-weight: 820;
}

.editor-actions {
  margin-top: 6px;
  display: flex;
  gap: 10px;
}

.editor-reset,
.editor-save {
  flex: 1;
  min-height: 42px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--text);
  font: inherit;
  font-size: 13px;
  font-weight: 850;
  cursor: pointer;
  transition: background 150ms ease, border-color 150ms ease, color 150ms ease;
}

.editor-save {
  border-color: color-mix(in srgb, var(--tone) 42%, var(--line));
}

.editor-save:hover {
  background: var(--tone-soft-hover);
  border-color: var(--tone);
  color: color-mix(in srgb, var(--tone) 62%, var(--text));
}

.editor-reset:hover:not(:disabled) {
  border-color: var(--text);
}

.editor-reset:disabled {
  color: var(--muted);
  opacity: 0.6;
  cursor: default;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}

@media (max-width: 1180px) {
  .api-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .app-header {
    padding: var(--space-4);
  }

  .header-title-row,
  .brand-lockup {
    min-width: 0;
    align-items: flex-start;
  }

  .app-shell {
    padding: 18px 16px 28px;
  }

  .card-link {
    min-height: 330px;
    padding: 18px;
  }

  .api-card h2 {
    font-size: 30px;
  }

}

@media (max-width: 520px) {
  .app-header {
    align-items: flex-start;
  }

  .app-header h1 {
    font-size: 21px;
  }

  .api-card-header,
  .card-footer,
  .core-list div {
    align-items: flex-start;
  }

  .api-card-header,
  .card-footer {
    flex-direction: column;
  }

  .core-list div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .core-list dd {
    text-align: left;
  }

}