/* WAIDN — Components: buttons, cards, badges, pills, callout, cta, cookie banner */

/* --- Buttons ---
   These anchors also appear inside .article-body, whose `a` rule has
   specificity (0,0,1,1) — EQUAL to `a.btn`, so source order decided it
   (article.css loads after components.css) and the brand-on-brand link
   colour won, making default button text invisible. Every selector here
   includes a `.article-body a.btn`-style variant (0,0,2,1) so the button
   styling wins regardless of stylesheet load order, in default AND hover. */
.article-body a.btn,
a.btn,
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-ui); font-size: var(--text-sm); font-weight: var(--weight-medium);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-pill);
  background: var(--color-brand-primary); color: var(--color-surface-white);
  text-decoration: none;
  transition: background 0.2s ease;
}
.article-body a.btn:hover,
a.btn:hover,
.btn:hover { background: var(--color-brand-dark); color: var(--color-surface-white); text-decoration: none; }
.article-body a.btn-secondary,
a.btn-secondary,
.btn-secondary {
  background: transparent; color: var(--color-brand-primary);
  border: 1px solid var(--color-brand-primary);
}
.article-body a.btn-secondary:hover,
a.btn-secondary:hover,
.btn-secondary:hover { background: var(--color-brand-light); color: var(--color-brand-dark); }
.article-body a.link-cta,
a.link-cta,
.link-cta {
  font-family: var(--font-ui); font-weight: var(--weight-medium);
  color: var(--color-brand-primary);
  text-decoration: none;
}
.article-body a.link-cta:hover,
a.link-cta:hover { text-decoration: underline; }
.link-cta::after { content: " →"; }

/* --- Badges / pills --- */
.badge, .pill {
  display: inline-block; font-family: var(--font-ui);
  font-size: var(--text-xs); font-weight: var(--weight-medium);
  letter-spacing: 0.04em; text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  background: var(--color-brand-light); color: var(--color-brand-primary);
}
.tag-pill {
  font-family: var(--font-ui); font-size: 10px;
  padding: var(--space-1) var(--space-3); border-radius: var(--radius-pill);
  background: var(--color-brand-lightest); color: var(--color-brand-dark);
}
.tag-list { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* --- Cards (related content) --- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--space-6); }
.article-body a.card, a.card,
.article-body a.card:hover, a.card:hover { text-decoration: none; }
.card {
  display: block;
  background: var(--color-surface-white);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: var(--color-border-medium); text-decoration: none; transform: translateY(-2px); }
.card .card-title {
  font-family: var(--font-display); font-size: var(--text-lg);
  font-weight: var(--weight-medium); color: var(--color-text-primary);
  margin: var(--space-3) 0 var(--space-2);
}
.card .card-desc { font-size: var(--text-sm); color: var(--color-text-secondary); }
.card .card-arrow { color: var(--color-brand-primary); font-family: var(--font-ui); font-size: var(--text-sm); margin-top: var(--space-4); display: inline-block; }

/* --- Callout --- */
.callout {
  border-left: 3px solid; border-radius: var(--radius-sm);
  padding: var(--space-5) var(--space-6); margin: var(--space-8) 0;
}
.callout h4 { font-family: var(--font-ui); font-weight: var(--weight-semibold); margin-bottom: var(--space-2); }
.callout p { font-family: var(--font-ui); font-size: var(--text-base); line-height: var(--leading-normal); margin: 0; }
.callout.tip     { background: var(--color-tip-bg);     color: var(--color-tip-text);     border-color: var(--color-tip-border); }
.callout.info    { background: var(--color-info-bg);    color: var(--color-info-text);    border-color: var(--color-info-border); }
.callout.warning { background: var(--color-warning-bg); color: var(--color-warning-text); border-color: var(--color-warning-border); }
.callout.success { background: var(--color-success-bg); color: var(--color-success-text); border-color: var(--color-success-border); }

/* --- CTA block --- */
.cta-block { margin: var(--space-10) 0; text-align: center; }

/* --- Cookie banner --- */
.cookie-banner {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 200;
  background: var(--color-brand-dark); color: var(--color-surface-white);
  padding: var(--space-5) var(--space-6);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: var(--space-4); font-family: var(--font-ui); font-size: var(--text-sm);
  box-shadow: var(--shadow-lg);
}
.cookie-banner a { color: var(--color-brand-lightest); }
.cookie-banner .cookie-actions { display: flex; gap: var(--space-3); }
.cookie-banner button {
  font-family: var(--font-ui); font-size: var(--text-sm); font-weight: var(--weight-medium);
  padding: var(--space-2) var(--space-5); border-radius: var(--radius-pill);
}
.cookie-banner .accept { background: var(--color-brand-primary); color: #fff; }
.cookie-banner .decline { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.4); }
.cookie-banner[hidden] { display: none; }

/* --- TnD opt-in form — theme: waidn ---
   Scoped via [data-tnd-theme="waidn"] on .tnd-form-wrap (host-side hook set
   by the html_embed block in the article). Markup is injected by TnD's
   form.js — see docs/tnd-decision-18-resubscribe-flow.md for context.
   form.js applies inline color/padding/fontWeight to .tnd-form-msg on
   submit, which CSS cannot override without !important — flagged for TnD. */
.tnd-form-wrap[data-tnd-theme="waidn"] {
  max-width: 480px;
  margin: var(--space-10) auto;
  padding: var(--space-6);
  background: var(--color-brand-light);
  border-radius: var(--radius-lg);
  font-family: var(--font-ui);
}
.tnd-form-wrap[data-tnd-theme="waidn"] h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-medium);
  color: var(--color-brand-dark);
  margin: 0 0 var(--space-2);
  line-height: var(--leading-snug);
}
.tnd-form-wrap[data-tnd-theme="waidn"] p {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-5);
  line-height: var(--leading-normal);
}
.tnd-form-wrap[data-tnd-theme="waidn"] .tnd-form-field {
  margin-bottom: var(--space-3);
}
.tnd-form-wrap[data-tnd-theme="waidn"] .tnd-form-field.tnd-field-submit {
  margin: var(--space-5) 0 0;
}
.tnd-form-wrap[data-tnd-theme="waidn"] input[type="text"],
.tnd-form-wrap[data-tnd-theme="waidn"] input[type="email"] {
  width: 100%;
  box-sizing: border-box;
  font-family: var(--font-ui);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background: var(--color-surface-white);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.tnd-form-wrap[data-tnd-theme="waidn"] input::placeholder {
  color: var(--color-text-tertiary);
}
.tnd-form-wrap[data-tnd-theme="waidn"] input[type="text"]:focus,
.tnd-form-wrap[data-tnd-theme="waidn"] input[type="email"]:focus {
  outline: none;
  border-color: var(--color-brand-primary);
  box-shadow: 0 0 0 3px rgba(24, 95, 165, 0.18);
}
.tnd-form-wrap[data-tnd-theme="waidn"] .tnd-form-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  padding: var(--space-3) var(--space-6);
  border: none;
  border-radius: var(--radius-pill);
  background: var(--color-brand-primary);
  color: var(--color-surface-white);
  cursor: pointer;
  transition: background 0.2s ease;
}
.tnd-form-wrap[data-tnd-theme="waidn"] .tnd-form-btn:hover {
  background: var(--color-brand-dark);
}
.tnd-form-wrap[data-tnd-theme="waidn"] .tnd-form-btn:disabled {
  background: var(--color-text-tertiary);
  cursor: not-allowed;
}
.tnd-form-wrap[data-tnd-theme="waidn"] .tnd-form-msg {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-white);
  border-radius: var(--radius-md);
}