:root {
  --bg: #f2efe7;
  --bg-accent: #ddd5c5;
  --panel: rgba(255, 252, 246, 0.92);
  --ink: #1b1f1d;
  --muted: #5e665f;
  --line: rgba(27, 31, 29, 0.12);
  --brand: #0d7c66;
  --brand-soft: #d8efe7;
  --warn: #db5b33;
  --shadow: 0 24px 80px rgba(54, 46, 25, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.9), transparent 38%),
    radial-gradient(circle at top right, rgba(13, 124, 102, 0.18), transparent 22%),
    linear-gradient(135deg, var(--bg) 0%, var(--bg-accent) 100%);
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 48px;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  font-weight: 700;
}

h1, h2, p {
  margin: 0;
}

h1 {
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.subhead {
  margin-top: 12px;
  max-width: 56ch;
  color: var(--muted);
}

.stamp,
.summary-card,
.panel,
.client-card {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.stamp {
  min-width: 180px;
  padding: 16px 18px;
  border-radius: 20px;
  text-align: right;
}

.stamp span,
.stamp small,
.metric-label,
.client-meta dt {
  color: var(--muted);
}

.stamp strong {
  display: block;
  margin: 4px 0;
  font-size: 2rem;
}

.summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.summary-card {
  border-radius: 24px;
  padding: 18px 20px;
}

.metric-label {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-value {
  margin-top: 12px;
  font-size: clamp(1.6rem, 2vw, 2.3rem);
  font-weight: 800;
}

.panel {
  border-radius: 30px;
  padding: 22px;
}

.error-banner {
  margin-bottom: 24px;
  padding: 14px 18px;
  border-radius: 18px;
  border: 1px solid rgba(219, 91, 51, 0.24);
  background: rgba(219, 91, 51, 0.1);
  color: #8f2d12;
  font-weight: 700;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

button {
  border: 0;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  padding: 11px 16px;
  font: inherit;
  cursor: pointer;
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.client-card {
  border-radius: 24px;
  padding: 18px;
  display: grid;
  gap: 16px;
}

.client-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.client-name {
  font-size: 1.35rem;
  font-weight: 750;
}

.client-address {
  margin-top: 4px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: 0.93rem;
}

.status-pill {
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.status-online {
  background: var(--brand-soft);
  color: var(--brand);
}

.status-idle {
  background: rgba(219, 91, 51, 0.12);
  color: var(--warn);
}

.usage-bars {
  display: grid;
  gap: 10px;
}

.bar-track {
  height: 11px;
  border-radius: 999px;
  background: rgba(27, 31, 29, 0.08);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #0d7c66, #31b088);
}

.client-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 20px;
  margin: 0;
}

.client-meta dd {
  margin: 4px 0 0;
  font-weight: 700;
}

.empty {
  padding: 40px 16px;
  color: var(--muted);
  text-align: center;
}

code {
  font-family: ui-monospace, SFMono-Regular, monospace;
}

@media (max-width: 920px) {
  .summary,
  .clients-grid {
    grid-template-columns: 1fr;
  }

  .hero,
  .panel-head,
  .client-top {
    align-items: start;
    flex-direction: column;
  }

  .stamp {
    text-align: left;
  }
}