:root {
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: #f6f7fb;
  background: #0e1015;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow: auto;
  background:
    radial-gradient(circle at 50% -20%, rgb(255 92 92 / 12%), transparent 42%),
    #0e1015;
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.2;
  background-image: linear-gradient(rgb(255 255 255 / 2%) 1px, transparent 1px);
  background-size: 100% 4px;
}

.shell {
  display: grid;
  grid-template-rows: auto 1fr auto;
  width: min(820px, calc(100vw - 64px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 36px 0 28px;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  color: #d9dbe4;
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.22em;
}

.brand-mark {
  display: block;
  width: 30px;
  height: 30px;
  filter: drop-shadow(0 0 18px rgb(255 92 92 / 25%));
}

.panel {
  align-self: center;
  width: 100%;
  padding: clamp(30px, 6vw, 58px);
  border: 1px solid #272a33;
  border-radius: 24px;
  background: linear-gradient(145deg, rgb(28 31 40 / 96%), rgb(18 20 27 / 98%));
  box-shadow:
    0 28px 80px rgb(0 0 0 / 36%),
    inset 0 1px rgb(255 255 255 / 4%);
}

.update-banner {
  margin-bottom: 26px;
  padding: 14px 15px;
  border: 1px solid rgb(255 92 92 / 28%);
  border-radius: 12px;
  background: rgb(255 92 92 / 7%);
}

.update-row {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
}

.update-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.update-copy strong {
  color: #f6f7fb;
  font-size: 13px;
}

.update-copy span {
  overflow: hidden;
  color: #aeb2c0;
  font-size: 12px;
  line-height: 1.45;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.update-actions {
  display: flex;
  gap: 7px;
  align-items: center;
  flex: none;
}

button.update-action {
  min-height: 34px;
  padding: 0 12px;
  border-color: rgb(255 92 92 / 55%);
  font-size: 11px;
  background: rgb(255 92 92 / 12%);
}

button.update-dismiss {
  width: 30px;
  min-height: 30px;
  padding: 0;
  border-color: transparent;
  color: #858a9a;
  font-size: 19px;
  font-weight: 400;
  background: transparent;
}

.update-progress {
  display: block;
  width: 100%;
  height: 5px;
  margin-top: 11px;
  overflow: hidden;
  border: 0;
  border-radius: 999px;
  color: #ff5c5c;
  background: #292d38;
  accent-color: #ff5c5c;
}

.update-progress::-webkit-progress-bar {
  background: #292d38;
}

.update-progress::-webkit-progress-value {
  background: #ff5c5c;
}

.update-progress::-moz-progress-bar {
  background: #ff5c5c;
}

.status-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff5c5c;
  box-shadow: 0 0 0 5px rgb(255 92 92 / 10%);
}

.status-dot.working {
  animation: pulse 1.5s ease-in-out infinite;
}

.status-dot.idle {
  background: #8c91a2;
  box-shadow: 0 0 0 5px rgb(140 145 162 / 10%);
}

.status-dot.error {
  background: #ff7c5c;
  box-shadow: 0 0 0 5px rgb(255 124 92 / 10%);
}

.eyebrow {
  color: #a8acba;
  font-size: 11px;
  font-weight: 720;
  letter-spacing: 0.18em;
}

h1 {
  margin: 21px 0 12px;
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 680;
  letter-spacing: -0.045em;
  line-height: 1.04;
}

#description {
  max-width: 590px;
  margin: 0;
  color: #aeb2c0;
  font-size: 16px;
  line-height: 1.65;
}

.activity {
  display: flex;
  gap: 11px;
  align-items: center;
  margin-top: 30px;
  color: #d9dbe4;
  font-size: 13px;
}

.spinner {
  width: 17px;
  height: 17px;
  border: 2px solid #383c49;
  border-top-color: #ff5c5c;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.controls {
  margin-top: 30px;
}

.controls label,
.log-head {
  color: #858a9a;
  font-size: 10px;
  font-weight: 720;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.control-row {
  display: flex;
  gap: 10px;
  margin-top: 9px;
}

select,
button {
  min-height: 44px;
  border: 1px solid #353947;
  border-radius: 10px;
  color: #f6f7fb;
  font: inherit;
}

select {
  flex: 1;
  min-width: 140px;
  padding: 0 36px 0 14px;
  color-scheme: dark;
  background: #151820;
}

button {
  padding: 0 20px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  background: #242833;
  transition:
    transform 120ms ease,
    border-color 120ms ease,
    background 120ms ease;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: #ff7777;
}

button:disabled {
  cursor: wait;
  opacity: 0.55;
}

button.primary {
  border-color: #ff5c5c;
  color: #180909;
  background: #ff5c5c;
  box-shadow: 0 10px 26px rgb(255 92 92 / 16%);
}

button.primary:hover:not(:disabled) {
  background: #ff7474;
}

.hint {
  margin: 10px 0 0;
  color: #717686;
  font-size: 12px;
}

.discovery {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid #292d38;
}

.discovery-head {
  display: flex;
  justify-content: space-between;
  color: #858a9a;
  font-size: 10px;
  font-weight: 720;
  letter-spacing: 0.15em;
}

#discovery-status {
  color: #ff7777;
}

.gateway-list {
  display: grid;
  gap: 8px;
  max-height: 190px;
  margin-top: 11px;
  overflow: auto;
}

.gateway-card {
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 11px 13px;
  text-align: left;
  background: #151820;
}

.gateway-card:disabled {
  cursor: not-allowed;
}

.gateway-card:hover:not(:disabled) {
  /* Rows live inside the overflow:auto list, so keep the border highlight but
     drop the generic button lift — a 1px translate clips the top row's border. */
  transform: none;
}

.gateway-copy {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.gateway-name,
.gateway-endpoint {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gateway-name {
  color: #f6f7fb;
  font-size: 13px;
}

.gateway-endpoint,
.discovery-empty {
  color: #858a9a;
  font-size: 11px;
}

.gateway-badge {
  align-self: center;
  margin-left: 12px;
  padding: 4px 7px;
  border: 1px solid #3a3e4b;
  border-radius: 999px;
  color: #9ba0af;
  font-size: 9px;
  letter-spacing: 0.1em;
}

.gateway-badge.secure {
  border-color: rgb(255 92 92 / 45%);
  color: #ff8b8b;
  background: rgb(255 92 92 / 8%);
}

.discovery-empty {
  margin: 5px 0 0;
}

.log-wrap {
  margin-top: 24px;
  overflow: hidden;
  border: 1px solid #292d38;
  border-radius: 12px;
  background: #0d0f14;
}

.log-head {
  display: flex;
  justify-content: space-between;
  padding: 11px 14px;
  border-bottom: 1px solid #242731;
}

#log-status {
  color: #ff7777;
}

pre {
  height: 150px;
  margin: 0;
  padding: 14px;
  overflow: auto;
  color: #aeb2c0;
  font: 11px/1.55 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  white-space: pre-wrap;
}

footer {
  display: flex;
  gap: 12px;
  align-items: center;
  color: #606574;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.footer-separator {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #ff5c5c;
}

.hidden {
  display: none !important;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  50% {
    opacity: 0.45;
    box-shadow: 0 0 0 8px rgb(255 92 92 / 3%);
  }
}

@media (max-width: 560px) {
  .shell {
    width: calc(100vw - 32px);
    padding: 22px 0 20px;
  }

  .panel {
    padding: 28px 24px;
    border-radius: 18px;
  }

  .control-row {
    flex-direction: column;
  }

  .update-row {
    align-items: flex-start;
  }

  .update-copy span {
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}