:root {
  --bg: #f7f4ee;
  --paper: #ffffff;
  --text: #1f1f1f;
  --muted: #6f6a61;
  --border: #ded7cc;
  --accent: #1a8917;
  --shadow: rgba(35, 30, 24, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Charter, Georgia, "Times New Roman", serif;
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration-color: var(--accent);
  text-underline-offset: 4px;
}

.page-shell {
  width: min(1000px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 72px;
}

.copy-toolbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 28px;
  padding: 14px 0;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px);
}

.copy-toolbar p {
  margin: 0;
  color: var(--muted);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
}

.copy-button {
  min-height: 42px;
  border: 1px solid #11680f;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  padding: 0 18px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.copy-button:focus-visible {
  outline: 3px solid rgba(26, 137, 23, 0.35);
  outline-offset: 3px;
}

.article-card {
  background: var(--paper);
  border: 1px solid var(--border);
  box-shadow: 0 24px 70px var(--shadow);
  padding: clamp(24px, 6vw, 72px);
}

.article-kicker {
  margin: 0 0 14px;
  color: var(--muted);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-title {
  max-width: 860px;
  margin: 0 0 18px;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 0.98;
  letter-spacing: -0.02em;
}

.article-description {
  max-width: 760px;
  margin: 0 0 34px;
  color: var(--muted);
  font-size: 22px;
  line-height: 1.45;
}

.article-banner {
  display: block;
  width: 100%;
  max-height: 560px;
  margin: 0 0 42px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.medium-preview {
  max-width: 780px;
}

.medium-preview h1,
.medium-preview h2,
.medium-preview h3 {
  margin: 44px 0 14px;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.medium-preview h1 {
  font-size: 44px;
}

.medium-preview h2 {
  font-size: 34px;
}

.medium-preview h3 {
  font-size: 27px;
}

.medium-preview p,
.medium-preview li,
.medium-preview blockquote {
  font-size: 21px;
}

.medium-preview blockquote {
  margin: 32px 0;
  padding-left: 22px;
  border-left: 4px solid var(--text);
  color: #3f3b35;
  font-style: italic;
}

.medium-preview pre {
  overflow-x: auto;
  padding: 18px;
  background: #f3f1ec;
  border: 1px solid var(--border);
  font-size: 15px;
  line-height: 1.55;
}

.medium-preview code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.medium-preview p code,
.medium-preview li code {
  background: #f3f1ec;
  padding: 2px 5px;
}

.medium-preview img {
  display: block;
  width: 100%;
  height: auto;
  margin: 30px 0 8px;
  border: 1px solid var(--border);
}

.medium-preview figure {
  margin: 34px 0;
}

.medium-preview figcaption {
  color: var(--muted);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  text-align: center;
}

.copy-status {
  min-height: 20px;
  color: var(--muted);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
}

@media (max-width: 640px) {
  .copy-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .article-card {
    padding: 22px;
  }
}