/* ==========================================================================
   K13 Lifecycle Emails & Share Assets — page styles (kit/emails.html)
   ========================================================================== */

/* Email browser ---------------------------------------------------------- */
.mail-browser {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 20px;
  margin-top: 48px;
}

.mail-list {
  display: flex;
  flex: 1 1 220px;
  flex-direction: column;
  gap: 2px;
  max-width: 100%;
  max-height: 640px;
  padding: 8px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
}

.mail-list__item {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-height: 44px;
  padding: 8px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  text-align: left;
}

.mail-list__item[aria-pressed="true"] {
  background: var(--surface-3);
}

.mail-list__name {
  font-size: 14px;
  font-weight: 600;
}

.mail-list__trigger {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-3);
}

.mail-view {
  display: flex;
  flex: 999 1 420px;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.mail-view__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.mail-view__subject {
  flex: 1;
  min-width: 200px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-3);
}

.mail-view__link {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.mail-view__stage {
  padding: 24px 12px;
  overflow: auto;
  border-radius: 16px;
  background: var(--surface-2);
}

/* Email preview ----------------------------------------------------------
   Emails use fixed colors and the system font stack (as in production
   email), not the site tokens. Dark variant mirrors prefers-color-scheme. */
.email {
  --e-bg: #FFFFFF;
  --e-fg: #111114;
  --e-line: #E3E3DE;
  --e-muted: #63636E;
  --e-box: #F6F6F3;
  --e-action: #C8189B;
  --e-on-action: #FFFFFF;
  max-width: 600px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--e-line);
  border-radius: 8px;
  background: var(--e-bg);
  color: var(--e-fg);
  font-family: -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
}

.email--dark {
  --e-bg: #16161B;
  --e-fg: #EDEDF0;
  --e-line: #2A2A33;
  --e-muted: #9494A0;
  --e-box: #1E1E25;
  --e-action: #FF4FCB;
  --e-on-action: #111114;
}

.email__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 32px;
  border-bottom: 1px solid var(--e-line);
}

.email__brand {
  font-size: 17px;
}

.email__pre {
  font-size: 12px;
  color: var(--e-muted);
}

.email__body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 32px;
}

.email__title {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.01em;
}

.email__text {
  font-size: 16px;
  line-height: 1.6;
}

.email__box {
  padding: 16px;
  border: 1px solid var(--e-line);
  border-radius: 8px;
  background: var(--e-box);
  font-size: 14px;
  line-height: 1.6;
}

.email__cta {
  align-self: flex-start;
  padding: 14px 24px;
  border-radius: 999px;
  background: var(--e-action);
  color: var(--e-on-action);
  font-size: 15px;
  font-weight: 600;
}

.email__foot {
  font-size: 14px;
  line-height: 1.6;
  color: var(--e-muted);
}

.email__legal {
  padding: 20px 32px;
  border-top: 1px solid var(--e-line);
  font-size: 12px;
  line-height: 1.6;
  color: var(--e-muted);
}

/* Plain-text part */
.email-text {
  max-width: 600px;
  margin: 0 auto;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  white-space: pre-wrap;
}

/* Open Graph cards ------------------------------------------------------- */
.og-title {
  margin-bottom: 16px;
  font-size: 28px;
}

.og-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr));
  gap: 14px;
}

.og {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
}

.og__card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  aspect-ratio: 1200 / 630;
  padding: 6%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.og__card--canvas  { background: var(--canvas);  color: var(--ink); }
.og__card--surface { background: var(--surface); color: var(--ink); }
.og__card--inverse { background: var(--inverse); color: var(--on-inverse); }
.og__card--pos     { background: var(--pos-bg);  color: var(--ink); }

.og__top,
.og__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.og__top {
  font-family: var(--font-mono);
  font-size: clamp(10px, 1.1vw, 13px);
}

.og__tag {
  padding: 2px 8px;
  border: 1px solid currentColor;
  border-radius: 999px;
}

.og__headline {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 34px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.035em;
}

.og__bottom {
  font-size: clamp(11px, 1vw, 13px);
}

.og__brand {
  font-family: var(--font-display);
  font-size: clamp(14px, 1.4vw, 18px);
}

.og__meta {
  font-family: var(--font-mono);
}

.og__caption {
  font-size: 13px;
  color: var(--ink-2);
}

/* Signature + press kit -------------------------------------------------- */
.share-assets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 16px;
}

.share-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
}

.signature {
  margin-top: 14px;
  padding-left: 12px;
  border-left: 2px solid var(--ink);
  font-family: -apple-system, Helvetica, Arial, sans-serif;
  font-size: 13px;
  line-height: 1.5;
}

.press-kit {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 14px;
  font-size: 12px;
}

.press-kit__cell {
  padding: 10px;
  border-radius: 8px;
  background: var(--surface-2);
}

.press-kit__cell--wide {
  grid-column: span 3;
}