:root {
  --bg: #f3efe8;
  --ink: #17120f;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-solid: #fffaf2;
  --stroke: rgba(104, 74, 41, 0.24);
  --accent: #005c53;
  --accent-2: #cf6f1b;
  --danger: #9f2525;
  --muted: #665a50;
  --mono: "IBM Plex Mono", monospace;
  --sans: "Space Grotesk", sans-serif;
  --shadow: 0 16px 35px rgba(59, 41, 23, 0.14);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: var(--sans);
  color: var(--ink);
  background: radial-gradient(circle at 8% 14%, #ffe0af 0%, transparent 46%),
    radial-gradient(circle at 85% 20%, #c6f4e3 0%, transparent 42%),
    linear-gradient(160deg, #f8f4ed 0%, #f0e8dc 52%, #ece3d6 100%);
}

.background-layer {
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    -32deg,
    rgba(145, 107, 77, 0.04),
    rgba(145, 107, 77, 0.04) 2px,
    transparent 2px,
    transparent 18px
  );
  pointer-events: none;
}

.container {
  width: min(1200px, 100% - 2rem);
  margin: 2rem auto 4rem;
  position: relative;
  z-index: 2;
}

.panel {
  background: var(--surface);
  backdrop-filter: blur(10px);
  border: 1px solid var(--stroke);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 1rem 1.1rem;
}

.hidden {
  display: none !important;
}

.login-panel {
  max-width: 420px;
  margin: 8vh auto;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(1.45rem, 1.2rem + 1.15vw, 2.1rem);
}

h2 {
  font-size: 1rem;
  margin-bottom: 0.6rem;
}

.eyebrow {
  text-transform: uppercase;
  font-family: var(--mono);
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  margin: 0 0 0.35rem;
  color: var(--accent);
}

.subtle {
  color: var(--muted);
  font-size: 0.9rem;
}

.error {
  color: var(--danger);
  min-height: 1.2rem;
  margin: 0.7rem 0 0;
  white-space: pre-wrap;
}

form {
  display: grid;
  gap: 0.8rem;
}

label {
  display: grid;
  gap: 0.4rem;
  font-size: 0.88rem;
  color: #2f2822;
}

input,
textarea,
button {
  font: inherit;
}

input,
textarea {
  border: 1px solid rgba(74, 56, 34, 0.26);
  background: var(--surface-solid);
  border-radius: 12px;
  padding: 0.62rem 0.75rem;
  width: 100%;
}

textarea {
  resize: vertical;
  min-height: 90px;
  font-family: var(--mono);
  font-size: 0.86rem;
}

button {
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 0.55rem 0.88rem;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: transform 120ms ease, opacity 120ms ease;
}

button:hover {
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.6;
  cursor: wait;
}

button.secondary {
  background: transparent;
  color: #18312f;
  border-color: rgba(7, 70, 65, 0.37);
}

button.danger {
  background: var(--danger);
}

.app-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.header-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.sync-panel {
  margin-top: 1rem;
}

.sync-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.7rem;
}

.sync-percent {
  font-family: var(--mono);
  font-weight: 600;
  color: #1f3f3b;
}

.sync-track {
  margin-top: 0.6rem;
  width: 100%;
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid rgba(74, 56, 34, 0.22);
  background: rgba(255, 250, 242, 0.8);
}

.sync-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #005c53 0%, #cf6f1b 100%);
  transition: width 220ms ease;
}

.sync-summary {
  margin: 0.55rem 0 0;
  font-family: var(--mono);
  font-size: 0.86rem;
}

.cards-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}

.stat-card {
  min-height: 112px;
}

.stat-value {
  font-family: var(--mono);
  font-size: clamp(1.1rem, 1rem + 0.8vw, 1.65rem);
  margin: 0.7rem 0 0;
  word-break: break-word;
}

.charts-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.chart-toolbar {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.chart-toolbar label {
  max-width: 260px;
}

.chart-history-info {
  margin-top: 0.25rem;
}

.chart-toolbar select {
  border: 1px solid rgba(74, 56, 34, 0.26);
  background: var(--surface-solid);
  border-radius: 12px;
  padding: 0.62rem 0.75rem;
  width: 100%;
}

.chart-panel {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.chart-frame {
  position: relative;
  height: 240px;
  width: 100%;
}

.chart-frame canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.actions-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 0.8rem;
}

.button-row {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.button-row.wrap button {
  font-size: 0.86rem;
}

.explorer-panel {
  margin-top: 1rem;
}

.result-panel {
  margin-top: 1rem;
}

.explorer-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.explorer-grid {
  margin-top: 0.8rem;
  display: grid;
  grid-template-columns: minmax(220px, 340px) minmax(0, 1fr);
  gap: 0.9rem;
}

.command-list-wrap {
  display: grid;
  gap: 0.6rem;
}

.command-list {
  max-height: 360px;
  overflow: auto;
  border: 1px solid rgba(74, 56, 34, 0.2);
  background: var(--surface-solid);
  border-radius: 12px;
}

.command-item {
  border: none;
  border-bottom: 1px solid rgba(74, 56, 34, 0.12);
  width: 100%;
  text-align: left;
  background: transparent;
  color: #1a1713;
  border-radius: 0;
  padding: 0.52rem 0.6rem;
  display: grid;
  gap: 0.15rem;
}

.command-item:last-child {
  border-bottom: none;
}

.command-item:hover,
.command-item.active {
  background: rgba(0, 92, 83, 0.12);
}

.command-method {
  font-family: var(--mono);
  font-size: 0.8rem;
}

.command-synopsis {
  font-size: 0.74rem;
  color: #544941;
}

.rpc-form {
  display: grid;
  gap: 0.72rem;
}

#rpc-output {
  margin: 0.65rem 0 0;
  background: #110f0d;
  color: #d7f5dd;
  border-radius: 12px;
  padding: 0.88rem;
  max-height: 360px;
  overflow: auto;
  font-family: var(--mono);
  font-size: 0.78rem;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(21, 17, 13, 0.45);
  display: grid;
  place-items: center;
  z-index: 15;
  padding: 1rem;
}

.modal-panel {
  width: min(900px, 100%);
  max-height: calc(100vh - 2rem);
  overflow: auto;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 0.8rem;
}

.modal-actions {
  grid-column: 1 / -1;
}

@media (max-width: 980px) {
  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .charts-grid {
    grid-template-columns: 1fr;
  }

  .chart-frame {
    height: 220px;
  }

  .actions-grid {
    grid-template-columns: 1fr;
  }

  .chart-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .explorer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(1200px, 100% - 1rem);
    margin-top: 1rem;
  }

  .app-header {
    flex-direction: column;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }
}