/* Shared page chrome for every PaCode Forms page. */

/* ---------------------------------------------------------------- topbar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 16px;
  background: var(--brand);
  color: #fff;
  box-shadow: 0 1px 0 rgba(0, 0, 0, .08);
}
.topbar__brand { display: inline-flex; align-items: center; }
.topbar__brand img { height: 28px; width: auto; display: block; }
.topbar__nav { display: flex; gap: .25rem; margin-left: .5rem; }
.topbar__nav a {
  color: rgba(255, 255, 255, .85);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--fs-meta);
  padding: .4rem .7rem;
  border-radius: var(--radius);
}
.topbar__nav a:hover { background: rgba(255, 255, 255, .1); color: #fff; }
.topbar__nav a[aria-current="page"] { background: rgba(255, 255, 255, .16); color: #fff; }
.topbar__spacer { flex: 1; }
.topbar__user {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: var(--fs-meta);
  min-width: 0;
}
.topbar__user span { max-width: 9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar__user .btn--link { color: rgba(255, 255, 255, .85); }

@media (max-width: 560px) {
  .topbar__user span { display: none; }
  .topbar__nav { margin-left: 0; }
}

/* ----------------------------------------------------------------- pages */
.page { max-width: 760px; margin: 0 auto; padding: 20px 16px 120px; }
.page--narrow { max-width: 560px; }
.page--wide { max-width: 1100px; }
.pad { padding: 20px; }
@media (max-width: 560px) { .pad { padding: 16px; } }

.stack > * + * { margin-top: 16px; }
.stack-sm > * + * { margin-top: 8px; }
.row { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.row--end { justify-content: flex-end; }
.row--between { justify-content: space-between; }
.grow { flex: 1; min-width: 0; }
.muted { color: var(--text-muted); }
.small { font-size: var(--fs-meta); }
.micro { font-size: var(--fs-micro); text-transform: uppercase; letter-spacing: .06em; font-weight: 600; color: var(--text-muted); }
.prewrap { white-space: pre-wrap; overflow-wrap: anywhere; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: var(--fs-meta); overflow-wrap: anywhere; }
.page-title { font-size: var(--fs-page); margin: 0; }
@media (min-width: 760px) { .page-title { font-size: 2.1rem; } }

/* --------------------------------------------------------- boot / fatal */
#boot { padding: 80px 16px; text-align: center; color: var(--text-muted); }
.spinner {
  width: 28px; height: 28px;
  margin: 0 auto 12px;
  border: 3px solid var(--border);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --------------------------------------------------------------- banners */
/*
 * Banners report what actually happened. They are never auto-hidden: a
 * message that carries a job ("not saved — your edits are still here") must
 * stay until the person has read it. Each one has its own close button.
 */
.banner {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .75rem 1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: var(--fs-body);
}
.banner__body { flex: 1; min-width: 0; }
.banner__body p { margin: 0; }
.banner__body p + p, .banner__body .row { margin-top: .4rem; }
.banner__close {
  border: 0;
  background: transparent;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  color: inherit;
  opacity: .7;
  padding: .1rem .3rem;
}
.banner--info    { background: var(--brand-wash);   color: var(--brand-dark);  border-color: #cfe2ef; }
.banner--success { background: var(--success-wash); color: var(--success-ink); border-color: #bfe6d3; }
.banner--warn    { background: var(--warn-wash);    color: var(--warn);        border-color: #f6dd9b; }
.banner--error   { background: var(--danger-wash);  color: var(--danger-ink);  border-color: #f3c9c5; }
.banners { position: sticky; top: calc(var(--topbar-h) + 8px); z-index: 15; display: grid; gap: 8px; }
.banners:empty { display: none; }

/* ---------------------------------------------------------------- fields */
.field { display: grid; gap: .3rem; }
.field > label, .field__label { font-weight: 600; font-size: var(--fs-body); }
.field__hint { font-size: var(--fs-meta); color: var(--text-muted); margin: 0; }
.field__error { font-size: var(--fs-meta); color: var(--danger-ink); font-weight: 600; margin: 0; }
.field__error:empty { display: none; }

.input, .select, .textarea {
  font: inherit;
  font-size: 16px; /* 16px stops iOS zooming into the field */
  width: 100%;
  min-height: 44px;
  padding: .55rem .75rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
}
.textarea { min-height: 96px; resize: vertical; line-height: 1.5; }
.input:focus, .select:focus, .textarea:focus {
  outline: 3px solid var(--brand-pale);
  outline-offset: 0;
  border-color: var(--brand-soft);
}
.input[aria-invalid="true"], .textarea[aria-invalid="true"], .select[aria-invalid="true"] { border-color: var(--danger); }
.input:disabled, .select:disabled, .textarea:disabled { background: var(--surface-alt); color: var(--text-muted); }
.input--sm, .select--sm { min-height: 36px; padding: .3rem .6rem; font-size: var(--fs-body); }

.check { display: flex; align-items: flex-start; gap: .6rem; cursor: pointer; padding: .35rem 0; }
.check input { width: 20px; height: 20px; margin: .15rem 0 0; accent-color: var(--brand); flex: none; }

/* --------------------------------------------------------------- confirm */
/* Inline confirmation — never window.confirm(), which LINE's browser can suppress. */
.confirm {
  border: 1px solid var(--border-strong);
  background: var(--surface-alt);
  border-radius: var(--radius);
  padding: .75rem 1rem;
  display: grid;
  gap: .6rem;
}
.confirm--danger { border-color: #f3c9c5; background: var(--danger-wash); }
.confirm p { margin: 0; font-size: var(--fs-body); }

/* ---------------------------------------------------------------- avatar */
.avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  object-fit: cover;
  flex: none;
  background: var(--brand-pale);
  color: var(--brand-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .8rem;
  overflow: hidden;
}
.avatar--lg { width: 48px; height: 48px; font-size: 1rem; }
.topbar .avatar { width: 28px; height: 28px; border: 2px solid rgba(255, 255, 255, .6); }

/* ----------------------------------------------------------- sticky bar */
.sticky-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 25;
  background: var(--surface);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 16px rgba(27, 39, 51, .08);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
}
.sticky-bar__inner { max-width: 760px; margin: 0 auto; display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }

/* ----------------------------------------------------------------- sheet */
dialog.sheet {
  border: 0;
  padding: 0;
  border-radius: var(--radius-lg);
  width: min(720px, calc(100vw - 24px));
  max-height: calc(100vh - 48px);
  box-shadow: var(--shadow-lg);
}
dialog.sheet::backdrop { background: rgba(27, 39, 51, .45); }
.sheet__head {
  position: sticky; top: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  display: flex; align-items: center; gap: .75rem;
  z-index: 1;
}
.sheet__body { padding: 16px; }

.empty { text-align: center; padding: 32px 16px; color: var(--text-muted); }

/* LINE's login button colour, used for "Continue with LINE" only. */
.btn--line {
  background: var(--line-green);
  color: #fff;
  font-size: 1rem;
  min-height: 50px;
  padding: .7rem 1.6rem;
  justify-self: center;
}
.btn--line:hover { filter: brightness(.95); }

.copy-field { display: flex; gap: .5rem; align-items: stretch; }
.copy-field .input { font-size: var(--fs-body); min-width: 0; }