:root {
  --ink: #16181d;
  --muted: #5d646f;
  --line: #e2e5ea;
  --accent: #1f6f4a;
  --bg: #fbfaf7;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Georgia, 'Times New Roman', serif;
  line-height: 1.6;
}

header {
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.bar {
  max-width: 940px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand span {
  color: var(--accent);
}

nav {
  display: flex;
  gap: 18px;
  font-family: system-ui, sans-serif;
  font-size: 14px;
}
nav a {
  color: var(--muted);
  text-decoration: none;
}
nav a:hover {
  color: var(--ink);
  text-decoration: underline;
}

main {
  max-width: 940px;
  margin: 0 auto;
  padding: 40px 24px 160px;
}

h1 {
  font-size: 38px;
  line-height: 1.15;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
h2 {
  font-size: 22px;
  margin: 40px 0 12px;
}
.lede {
  font-size: 19px;
  color: var(--muted);
  margin: 0 0 32px;
  max-width: 60ch;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
}
.card h3 {
  margin: 0 0 6px;
  font-size: 17px;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}
.price {
  display: block;
  margin-top: 10px;
  font-family: system-ui, sans-serif;
  font-weight: 600;
}

.action {
  font: inherit;
  font-family: system-ui, sans-serif;
  font-weight: 600;
  padding: 11px 18px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
.action:hover {
  background: #17573a;
}

.signin {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  max-width: 520px;
}
.signin label {
  flex: 1 1 100%;
  font-family: system-ui, sans-serif;
  font-size: 14px;
  font-weight: 600;
}
.signin input {
  flex: 1 1 260px;
  font: inherit;
  font-family: system-ui, sans-serif;
  padding: 11px 12px;
  min-height: 46px;
  border: 1px solid #c3c8d0;
  border-radius: 8px;
  background: #fff;
}
.signin-note {
  font-family: system-ui, sans-serif;
  font-size: 14px;
  color: var(--accent);
  min-height: 1.4em;
}

/* ---- debug panel ---------------------------------------------------------- */

.debug {
  position: fixed;
  top: 12px;
  right: 12px;
  width: 340px;
  max-height: 70vh;
  overflow: auto;
  background: #10131a;
  color: #dfe4ec;
  border-radius: 10px;
  padding: 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  line-height: 1.45;
  z-index: 999;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}
.debug h4 {
  margin: 0 0 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #8f9bb0;
}
.debug dt {
  color: #8f9bb0;
  margin-top: 8px;
}
.debug dd {
  margin: 2px 0 0;
  word-break: break-all;
}
.debug pre {
  margin: 6px 0 0;
  white-space: pre-wrap;
  word-break: break-word;
}
.stored-row {
  padding: 6px 0;
  border-bottom: 1px solid #232936;
}
.stored-row:last-child {
  border-bottom: none;
}
.stored-meta {
  color: #8f9bb0;
  font-size: 11px;
}

.debug button {
  margin-top: 12px;
  width: 100%;
  font: inherit;
  padding: 8px;
  border: 1px solid #3a4256;
  border-radius: 6px;
  background: #232936;
  color: #dfe4ec;
  cursor: pointer;
}
.debug button:hover {
  background: #2d3446;
}