/* Matching writing and reading panels with a separately scrolling list. */
.guestbook-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.guestbook-compose,
.guestbook-board {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: clamp(20px, 2.2vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: var(--surface);
}

.guestbook-compose-top,
.guestbook-board-top {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 54px;
  margin-bottom: 18px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line);
}

.guestbook-overline,
.guestbook-board-top h3 {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 630;
  line-height: 1.35;
}

.guestbook-compose-top > svg { color: var(--accent); flex: none; }
.guestbook-board-top h3 > span {
  min-width: 23px;
  padding: 3px 5px;
  border-radius: 5px;
  background: var(--surface-raised);
  color: var(--accent);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.guestbook-compose form { display: flex; flex: 1; flex-direction: column; min-height: 0; }
.guestbook-field { margin-bottom: 17px; }
.guestbook-field:has(textarea) { display: flex; flex: 1; flex-direction: column; }
.guestbook-field label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 7px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 620;
}
.guestbook-field label > span { color: var(--muted); font-size: 12px; font-weight: 450; }

.guestbook-field input,
.guestbook-field textarea {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--input-border);
  border-radius: var(--radius-control);
  background: var(--input-bg);
  color: var(--ink);
  caret-color: var(--accent);
  font: inherit;
  font-size: 16px;
  line-height: 1.55;
}
.guestbook-field textarea {
  flex: 1;
  min-height: 134px;
  max-height: 440px;
  resize: vertical;
}
.guestbook-field input:focus,
.guestbook-field textarea:focus {
  border-color: var(--accent);
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.guestbook-field [aria-invalid=true] { border-color: var(--error); }
.guestbook-field [aria-invalid=true]:focus { outline-color: var(--error); }

.guestbook-counter {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.guestbook-counter.is-over { color: var(--error); }
.guestbook-trap { position: absolute; width: 1px; height: 1px; overflow: clip; clip-path: inset(50%); white-space: nowrap; }
.guestbook-verification { width: 100%; }
.guestbook-verification:not(:empty) { margin-bottom: 10px; }
.guestbook-verification iframe { max-width: 100%; }
.guestbook-submit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 48px;
  padding: 10px 15px;
  border: 1px solid var(--accent-fill);
  border-radius: var(--radius-control);
  background: var(--accent-fill);
  color: var(--on-accent);
  font-size: 14px;
  font-weight: 650;
  transition: background-color var(--move), transform var(--move);
}
.guestbook-submit > span:last-child { font-size: 21px; line-height: 1; }
.guestbook-submit:disabled,
.guestbook-refresh:disabled,
.guestbook-secondary:disabled,
.guestbook-confirm-actions button:disabled { opacity: .55; cursor: not-allowed; }
@media (hover: hover) {
  .guestbook-submit:not(:disabled):hover { background: var(--accent-hover); }
  html[data-motion=on] .guestbook-submit:not(:disabled):hover { transform: translateY(-2px); }
}
html[data-motion=on] .guestbook-submit:not(:disabled):active { transform: translateY(1px); }

.guestbook-form-status, .guestbook-list-status, .guestbook-delete-status {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}
.guestbook-form-status:not(:empty) { margin-top: 12px; }
.guestbook-list-status:not(:empty) { margin-bottom: 12px; }
.guestbook-delete-status:not(:empty) { margin-top: 9px; color: var(--error); }
.guestbook-form-status[data-kind=success] { color: var(--success); }
.guestbook-form-status[data-kind=error], .guestbook-list-status[data-kind=error] { color: var(--error); }
.guestbook-privacy {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.guestbook-refresh, .guestbook-delete {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex: none;
  min-height: 44px;
  padding: 0 2px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
}
.guestbook-refresh > span { font-size: 18px; }
.guestbook-refresh:hover, .guestbook-delete:hover { color: var(--accent); }

.guestbook-list {
  display: flex;
  flex-direction: column;
  max-height: clamp(295px, 43svh, 430px);
  margin: 0;
  padding: 0 8px 0 0;
  list-style: none;
  overflow: hidden auto;
  scrollbar-width: thin;
  scrollbar-color: var(--input-border) transparent;
  scrollbar-gutter: stable;
  scroll-padding-block: 8px;
}
.guestbook-list:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.guestbook-entry {
  flex: none;
  min-width: 0;
  padding-block: 16px 18px;
  border-bottom: 1px solid var(--line);
  overflow-wrap: anywhere;
}
.guestbook-entry:first-child { padding-top: 3px; }
.guestbook-entry:last-child { border-bottom: 0; }
.guestbook-entry-top { display: flex; align-items: center; gap: 10px; }
.guestbook-avatar {
  display: grid;
  place-items: center;
  flex: 0 0 33px;
  width: 33px;
  height: 33px;
  border-radius: 50%;
  background: var(--surface-raised);
  color: var(--accent);
  font-size: 13px;
  font-weight: 650;
}
.guestbook-entry-heading {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 3px 12px;
  min-width: 0;
}
.guestbook-entry-heading h4 { color: var(--ink); font-size: 15px; font-weight: 640; line-height: 1.45; overflow-wrap: anywhere; }
.guestbook-entry-heading time { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.guestbook-message {
  margin: 6px 0 0 43px;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: normal;
  overflow-wrap: anywhere;
}

.guestbook-own-actions { display: flex; justify-content: flex-end; margin-top: 4px; }
.guestbook-delete-confirm {
  margin-top: 10px;
  padding: 12px;
  border: 1px solid var(--warning-line);
  border-radius: var(--radius-control);
  background: var(--warning-bg);
}
.guestbook-delete-confirm > p { color: var(--warning-ink); font-size: 14px; }
.guestbook-confirm-actions, .guestbook-list-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.guestbook-confirm-actions { justify-content: flex-end; }
.guestbook-list-actions:not(:has(button:not([hidden]))) { display: none; }
.guestbook-confirm-actions button, .guestbook-secondary {
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--input-border);
  border-radius: var(--radius-control);
  background: var(--surface);
  color: var(--ink);
  font-size: 13px;
}
.guestbook-confirm-actions button:last-child { border-color: var(--error); color: var(--error); }
.guestbook-secondary { flex: 1; }
.guestbook-secondary:hover { background: var(--surface-raised); }

.guestbook-empty { margin-block: 16px; padding: 20px 6px; }
.guestbook-empty h4 { margin-top: 8px; font-size: 18px; font-weight: 600; }
.guestbook-empty p { margin-top: 5px; color: var(--muted); font-size: 15px; }

html[data-motion=on] .guestbook-entry.is-new { animation: guestbook-arrive .42s var(--ease) both; }
@keyframes guestbook-arrive {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 720px) {
  .guestbook-grid { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .guestbook-overline, .guestbook-board-top h3 { font-size: 17px; }
  .guestbook-list { max-height: min(426px, 60svh); }
  .guestbook-entry-heading { align-items: flex-start; flex-direction: column; }
  .guestbook-message { margin-left: 0; margin-top: 9px; }
}
@media (prefers-reduced-motion: reduce) {
  .guestbook-submit { transition: none; }
  html:not([data-motion=on]) .guestbook-entry.is-new { animation: none; }
}

.guestbook-privacy { text-wrap: pretty; }