/* Email owns this composition; existing form collectors keep their parents. */
.mail-journey {
  container: mail-journey / inline-size;
  width: 100%; max-width: 70rem; min-width: 0; margin-inline: auto;
  color: var(--ink);
}
.mail-journey [hidden] { display: none !important; }
.mail-journey-head {
  display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem;
  width: 100%; max-width: 48rem; margin: 0 auto 1rem;
  min-height: 0; padding: 0; border: 0; background: transparent; color: var(--ink);
}
.mail-journey-head h1 {
  margin: 0; color: var(--heading); font-size: 1.5rem; line-height: 1.25;
  overflow-wrap: anywhere;
}
.mail-journey .mail-journey-return {
  min-width: 44px; min-height: 44px; padding: .5rem .75rem;
  border: 1px solid var(--line); border-radius: 8px;
  background: transparent; color: var(--ink); font: inherit; font-weight: 600;
  white-space: normal; cursor: pointer;
}
.mail-journey .mail-journey-return:hover { background: var(--surface-hover); }
.mail-journey .mail-journey-return:active { background: var(--surface-soft); }
.mail-journey-layout {
  display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.25rem;
  align-items: start; min-width: 0;
}
.mail-journey-editor {
  width: 100%; max-width: 48rem; min-width: 0; margin-inline: auto;
}
.mail-journey-editor .mail-compose { max-width: none; }
.mail-journey-editor :is(.lede, .willchange, .attrib, .mail-compose-note,
  .mail-compose-edit-note, .mail-compose-context) {
  max-width: 70ch; font-size: .875rem; line-height: 1.5;
}
.mail-journey-editor .mail-compose-context { margin: 0 0 .75rem; }
.mail-journey-editor .field { margin-block: .375rem; }
.mail-journey-editor .mail-compose #form {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: .75rem; align-items: start;
}
.mail-journey-editor .mail-compose #form > :is(.field, fieldset) {
  grid-column: 1 / -1; min-width: 0;
}
.mail-journey-editor .mail-compose #form > .mail-recipients-collapsed {
  grid-column: auto;
}
/* Native details wraps its contents in a browser-owned box. Keep that box
   full width; only the two collapsed recipient disclosures share a line. */
.mail-journey-editor .mail-compose-fields { display: block; }
.mail-journey-editor .mail-compose-fields > .mail-recipients-collapsed {
  display: inline-block; width: calc(50% - .375rem); vertical-align: top;
}
.mail-journey-editor .mail-compose-fields > .mail-recipients-collapsed[data-name=cc] {
  margin-right: .75rem;
}
.mail-journey-editor .field > label {
  margin-bottom: .3rem; font-size: .875rem; color: var(--heading);
}
/* Keep the original field and picker children together for form collection.
   Short captions sit beside their controls; message prose keeps a full line. */
.mail-journey-editor .mail-compose-primary:has([data-name=mailbox_key]),
.mail-journey-editor .mail-compose-primary:has([data-name=subject]) {
  display: grid; grid-template-columns: 5.5rem minmax(0, 1fr);
  align-items: center; column-gap: .625rem;
}
.mail-journey-editor .mail-compose-primary:has([data-name=mailbox_key]) > label,
.mail-journey-editor .mail-compose-primary:has([data-name=subject]) > label {
  grid-column: 1; grid-row: 1; margin: 0; line-height: 1.4;
}
.mail-journey-editor .mail-compose-primary:has([data-name=mailbox_key]) > :not(label),
.mail-journey-editor .mail-compose-primary:has([data-name=subject]) > :not(label) {
  grid-column: 2; min-width: 0;
}
.mail-journey-editor input:not([type=checkbox]):not([type=radio]),
.mail-journey-editor select,
.mail-journey-editor textarea {
  min-width: 0; min-height: 44px; max-width: 100%;
  box-sizing: border-box; padding: .625rem .75rem;
  border: 1px solid var(--line); border-radius: 8px;
  background: var(--surface); color: var(--ink); font-size: 1rem;
}
.mail-journey-editor textarea[data-name=body] {
  min-height: 15rem; line-height: 1.6; padding: .875rem 1rem;
  resize: vertical;
}
.mail-journey-editor .mail-recipients {
  margin-block: .25rem; padding: 0; border: 0;
}
.mail-journey-editor .mail-recipients > legend {
  min-height: 44px; font-size: .875rem;
}
.mail-journey-editor .mail-recipients[data-name=to] > legend {
  display: flex; align-items: center; gap: .375rem;
  width: 100%; box-sizing: border-box;
}
.mail-journey-editor [data-mail-add-recipient] {
  margin-inline-start: auto; min-width: 44px; min-height: 44px;
  padding: .5rem .75rem; background: transparent; color: var(--ink);
  border: 1px solid var(--line);
}
.mail-journey-editor .mail-recipient-toggle {
  min-width: 44px; min-height: 44px; padding: .5rem .625rem;
  border: 1px solid var(--line); border-radius: 8px;
}
.mail-journey-editor :is([data-mail-add-recipient], .mail-recipient-toggle):hover {
  background: var(--surface-hover);
}
.mail-journey-editor .mail-recipient {
  grid-template-columns: minmax(0, 1fr) auto; gap: .5rem;
}
.mail-journey-editor .mail-recipient > button {
  min-height: 44px; max-width: 7rem; padding: .5rem .625rem;
  background: transparent; color: var(--muted); border: 1px solid var(--line);
  white-space: normal;
}
.mail-journey-editor .mail-recipient > button:hover {
  color: var(--ink); background: var(--surface-hover);
}
.mail-journey-editor .mail-compose .actions {
  display: flex; flex-wrap: wrap; align-items: center; gap: .5rem;
  padding-top: .75rem; margin-top: .75rem; border-top: 1px solid var(--line);
}
.mail-journey-editor .actions button { min-height: 44px; white-space: normal; }
.mail-journey-editor .actions #go:not(:disabled),
.mail-journey-editor .actions #confirm:not(:disabled) {
  background: var(--action); color: var(--on-action); border-color: var(--action);
}
/* Once the preview is valid, the next deliberate action leads visually. */
.mail-journey-editor .actions:has(#confirm:not(:disabled):not([hidden])) #go:not(:disabled) {
  background: transparent; color: var(--ink); border-color: var(--line);
}
.mail-journey-editor .actions button:disabled {
  background: var(--muted-bg); color: var(--muted-ink); border-color: var(--line);
}
.mail-journey-reference {
  width: 100%; max-width: 48rem; min-width: 0; margin: 0 auto;
  border: 1px solid var(--line); border-radius: 8px;
  background: var(--surface-soft); color: var(--ink);
}
.mail-journey-reference > summary {
  box-sizing: border-box; min-height: 44px; padding: .75rem 1rem;
  color: var(--heading); font-size: .9375rem; font-weight: 650;
  line-height: 1.4; overflow-wrap: anywhere; cursor: pointer;
}
.mail-journey-reference > summary:hover { background: var(--surface-hover); }
.mail-journey-source {
  min-width: 0; padding: 0 1rem 1rem; overflow-wrap: anywhere;
}
.mail-journey-source > h2 {
  margin: 0 0 .875rem; font-size: .875rem; line-height: 1.4;
  letter-spacing: 0; text-transform: none; color: var(--muted);
}
.mail-journey-source .mailmsg { padding-block: 1rem; }
.mail-journey-source .mailmsg:first-child { padding-top: 0; }
.mail-journey-source .mailmsg-head {
  grid-template-columns: minmax(0, 1fr); gap: .2rem;
}
.mail-journey-source .mailmsg-who { color: var(--heading); }
.mail-journey-source .mailmsg-when { white-space: normal; }
.mail-journey-source .mailmsg-body { font-size: .9375rem; line-height: 1.6; }
.mail-journey-source .mailmsg-html {
  max-width: 100%; overflow-x: auto; overscroll-behavior-x: contain;
}
.mail-journey-status {
  min-width: 0; max-width: 70ch; margin: .75rem 0;
  color: var(--muted); font-size: .875rem; line-height: 1.5;
  overflow-wrap: anywhere;
}
.mail-journey-status:empty { margin: 0; }
.mail-draft-saved h2 {
  margin: 0 0 .75rem; color: var(--heading); font-size: 1.25rem;
  line-height: 1.35; letter-spacing: 0; text-transform: none;
}
.mail-draft-saved > p { max-width: 58ch; line-height: 1.6; }
.mail-draft-saved .actions { margin-block: 1rem; }
.mail-action [data-mail-outbox] {
  background: transparent; color: var(--ink); border: 1px solid var(--line);
}
.mail-action [data-mail-outbox]:hover { background: var(--surface-hover); }
.mail-journey > .mail-journey-status { max-width: 48rem; margin-inline: auto; }
.mail-journey-editor details.tech > summary {
  box-sizing: border-box; min-height: 44px; padding-block: .75rem;
}
.mail-journey :is(button, input, select, textarea, summary, a):focus-visible {
  outline: 3px solid var(--focus); outline-offset: 3px;
}
/* Query the space remaining inside Control, not the full device width. A
   collapsed reference and new mail never reserve an empty second column. */
@container mail-journey (min-width: 860px) {
  .mail-journey:has(.mail-journey-reference[open]) > .mail-journey-head,
  .mail-journey:has(.mail-journey-reference[open]) > .mail-journey-status {
    max-width: none;
  }
  .mail-journey-layout:has(> .mail-journey-reference[open]) {
    grid-template-columns: minmax(17.5rem, 21rem) minmax(30rem, 1fr);
    gap: 1.5rem;
  }
  .mail-journey-layout:has(> .mail-journey-reference[open]) > .mail-journey-editor {
    margin-inline: 0;
  }
  .mail-journey-reference[open] .mail-journey-source {
    max-height: min(34rem, 65dvh); overflow-y: auto;
    scrollbar-gutter: stable;
  }
}
@container mail-journey (max-width: 480px) {
  .mail-journey-head { gap: .5rem; margin-bottom: .75rem; }
  .mail-journey-head h1 { font-size: 1.25rem; }
  .mail-journey-layout { gap: .875rem; }
  .mail-journey-editor textarea[data-name=body] { min-height: 12.5rem; padding: .75rem; }
  .mail-journey-source { padding-inline: .75rem; }
  .mail-journey-reference > summary { padding-inline: .75rem; }
}
@media (prefers-reduced-motion: reduce) {
  .mail-journey, .mail-journey * {
    scroll-behavior: auto !important; animation: none !important;
    transition: none !important;
  }
}