:root {
  --bg: #f4efe6;
  --bg-deep: #dce7f0;
  --panel: rgba(255, 255, 255, 0.8);
  --panel-strong: rgba(255, 255, 255, 0.94);
  --text: #17212b;
  --muted: #5a6874;
  --accent: #0c8f78;
  --accent-deep: #0c5d52;
  --danger: #b5463c;
  --border: rgba(23, 33, 43, 0.1);
  --shadow: 0 24px 60px rgba(23, 33, 43, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "IBM Plex Sans", "Avenir Next", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(12, 143, 120, 0.18), transparent 34%),
    radial-gradient(circle at right, rgba(30, 80, 140, 0.14), transparent 24%),
    linear-gradient(135deg, var(--bg), var(--bg-deep));
}

button,
input {
  font: inherit;
}

.page-shell {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.topbar h1,
.panel h2 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  letter-spacing: -0.03em;
}

.eyebrow,
.panel-kicker {
  margin: 0 0 0.35rem;
  color: var(--accent-deep);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 700;
}

.flash-stack {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.flash {
  border-radius: 18px;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
}

.flash-success {
  border-color: rgba(12, 143, 120, 0.22);
}

.flash-error {
  border-color: rgba(181, 70, 60, 0.26);
}

.login-layout {
  display: grid;
  place-items: center;
  min-height: 70vh;
}

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

.panel {
  padding: 1.4rem;
  border-radius: 28px;
  border: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.panel-wide,
.panel-full {
  grid-column: 1 / -1;
}

.hero-panel {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(252, 246, 235, 0.88)),
    var(--panel);
}

.muted {
  color: var(--muted);
}

.status-line,
.button-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
}

.button-row {
  justify-content: flex-start;
  flex-wrap: wrap;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
}

.pill-on {
  color: #0f5a4a;
  background: rgba(12, 143, 120, 0.16);
}

.pill-off {
  color: #7a423d;
  background: rgba(181, 70, 60, 0.12);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.stat-grid article {
  padding: 1rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(23, 33, 43, 0.06);
}

.stat-grid span,
.history-row p {
  display: block;
  margin-bottom: 0.3rem;
}

.stack-form {
  display: grid;
  gap: 0.9rem;
}

label {
  display: grid;
  gap: 0.45rem;
}

input[type="text"],
input[type="password"],
input[type="number"] {
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  border: 1px solid rgba(23, 33, 43, 0.12);
  background: rgba(255, 255, 255, 0.84);
}

input[type="range"] {
  width: 100%;
}

output {
  font-weight: 700;
  color: var(--accent-deep);
}

button {
  border: none;
  border-radius: 999px;
  padding: 0.85rem 1.2rem;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  cursor: pointer;
  transition: transform 120ms ease, opacity 120ms ease;
}

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

.secondary-button {
  background: linear-gradient(135deg, #2f5067, #1f3342);
}

.ghost-button {
  color: var(--accent-deep);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(12, 93, 82, 0.14);
}

.history-list {
  display: grid;
  gap: 0.75rem;
}

.history-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(23, 33, 43, 0.06);
}

.history-error,
.error-banner {
  color: var(--danger);
}

.error-banner {
  margin-top: 1rem;
}

@media (max-width: 840px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .topbar,
  .status-line,
  .history-row {
    flex-direction: column;
    align-items: flex-start;
  }

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