:root {
  --bg-base: #08101b;
  --bg-layer: #0d1828;
  --panel: rgba(13, 24, 40, 0.9);
  --line: #2a4060;
  --line-soft: #1f324e;
  --text: #e9f2ff;
  --muted: #9db4d1;
  --ok: #5fdb9b;
  --warn: #ffd27a;
  --error: #ff8e8e;
  --accent: #7ee7d6;
  --accent-2: #79b8ff;
  --dt-status-bar-height: 0px;
  --dt-navigation-bar-height: 0px;
  --dt-index-width-offset: 0px;
  --dt-index-height-offset: 0px;
}

* {
  box-sizing: border-box;
  font-family: "Plus Jakarta Sans", "Segoe UI", Tahoma, sans-serif;
}

body {
  margin: 0;
  min-height: calc(100vh - var(--dt-index-height-offset));
  color: var(--text);
  background:
    radial-gradient(1100px 460px at -5% -10%, #1a365b 0%, transparent 60%),
    radial-gradient(900px 420px at 110% 110%, #224d5f 0%, transparent 60%),
    linear-gradient(160deg, var(--bg-base), var(--bg-layer));
  padding: calc(12px + var(--dt-status-bar-height)) 12px
    calc(12px + var(--dt-navigation-bar-height));
}

#root {
  width: calc(100% - var(--dt-index-width-offset));
  max-width: 100%;
  margin: 0 auto;
}

.shell {
  display: grid;
  gap: 12px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(10, 20, 34, 0.94), var(--panel));
  box-shadow: 0 18px 42px rgba(2, 8, 18, 0.35);
  backdrop-filter: blur(6px);
  padding: 13px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(20px, 6vw, 28px);
  line-height: 1.1;
  letter-spacing: 0.01em;
}

.hero p {
  margin: 8px 0 0;
  color: var(--muted);
  max-width: 72ch;
}

.hero code {
  color: var(--accent);
}

.status-row {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  background: rgba(3, 9, 16, 0.45);
  color: var(--muted);
  font-size: 12px;
  line-height: 1;
  white-space: nowrap;
}

.chip.ok { color: var(--ok); }
.chip.warn { color: var(--warn); }
.chip.error { color: var(--error); }
.chip.accent { color: var(--accent); }

.metrics {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.metric {
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(4, 10, 18, 0.5);
}

.metric label {
  display: block;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.metric strong {
  display: block;
  margin-top: 3px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

h2 {
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--accent-2);
  letter-spacing: 0.02em;
}

.button-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

button {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: linear-gradient(180deg, #0d1c31, #0a1627);
  color: var(--text);
  padding: 10px 12px;
  cursor: pointer;
  transition: border-color 120ms ease, transform 120ms ease;
  font-weight: 600;
  font-size: 13px;
  text-align: left;
}

button:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.input-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 10px;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

input {
  width: 100%;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: rgba(2, 7, 14, 0.6);
  color: var(--text);
  padding: 10px;
  outline: none;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(126, 231, 214, 0.16);
}

.toolbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-bottom: 10px;
}

.toolbar button {
  text-align: center;
  width: 100%;
}

.log {
  margin: 0;
  min-height: 330px;
  max-height: 560px;
  overflow: auto;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: rgba(2, 8, 16, 0.78);
  color: #d6e3ff;
  padding: 12px;
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}

@media (min-width: 640px) {
  body {
    padding: calc(16px + var(--dt-status-bar-height)) 16px
      calc(16px + var(--dt-navigation-bar-height));
  }

  .panel {
    padding: 15px;
  }

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

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

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

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

@media (min-width: 960px) {
  body {
    padding: calc(18px + var(--dt-status-bar-height)) 18px
      calc(18px + var(--dt-navigation-bar-height));
  }

  #root {
    max-width: min(1180px, calc(100% - var(--dt-index-width-offset)));
  }

  .shell {
    gap: 14px;
  }

  .panel {
    padding: 16px;
  }

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

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