/* Real devices (素 Plain §3.11, §3.13): the notification prompt, the iPhone
   「加到主畫面」 and 「通知已關閉」 sheets, 診斷, the in-app notice for a card in
   another conversation, the toast. No borders, no capsules: inset-grouped
   cells, footnotes, level-2 elevation for what floats. */

/* ── Viewport ───────────────────────────────────────────────── */
/* No 100dvh / 100vh here: base.css pins body to the screen (inset: 0), which
   follows the real screen in a Home Screen app (dvh can miss the bottom safe
   area there) and the resized viewport where the keyboard resizes it. */

/* The keyboard: viewport.ts sizes #app and the sheet layers to the visual
   viewport (--vvh / --vvt) while a field has focus, and undoes the page
   scroll iOS adds. Nothing else needs to know the keyboard's height. */

/* ── Notification prompt / guides ───────────────────────────── */
.np-sheet {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  padding: var(--s-2) 0 var(--s-1);
}

/* What a notification looks like: an iOS banner, level 2. */
.np-preview {
  display: flex;
  gap: var(--s-3);
  align-items: flex-start;
  margin: var(--s-2) 0 var(--s-2);
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-xl);
  background: var(--bg-sheet-cell);
  box-shadow: var(--shadow-2);
  animation: rise var(--d-base) var(--e-spring);
}

.np-app img {
  display: block;
  width: 38px;
  height: 38px;
  border-radius: 9px;
}

.np-text {
  flex: 1;
  min-width: 0;
}

.np-text p {
  margin: 0;
}

.np-head {
  display: flex;
  justify-content: space-between;
  color: var(--label-2);
  font-size: var(--t-footnote);
}

.np-head b {
  color: var(--label);
  font-weight: 600;
}

.np-title {
  margin-top: 2px !important;
  font-size: var(--t-subhead);
  font-weight: 600;
}

.np-body {
  color: var(--label);
  font-size: var(--t-subhead);
  line-height: 1.35;
}

.np-hero {
  display: grid;
  place-items: center;
  margin-top: var(--s-2);
}

.np-bell {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--fill);
  color: var(--accent);
}

.np-hero.muted .np-bell {
  color: var(--label-2);
}

.np-title-big {
  margin: 0;
  padding: 0 var(--s-4);
  font-family: var(--font-display);
  font-size: var(--t-title2);
  font-weight: 700;
  line-height: 1.3;
  text-wrap: balance;
}

.np-hero + .np-title-big {
  text-align: center;
}

.np-hero ~ .np-lead {
  text-align: center;
}

.np-lead {
  margin: calc(-1 * var(--s-2)) 0 0;
  padding: 0 var(--s-4);
  color: var(--label-2);
  font-size: var(--t-subhead);
  line-height: 1.45;
  text-wrap: pretty;
}

/* The three promises: one inset-grouped cell, check marks in --success. */
.np-facts {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  overflow: hidden;
  list-style: none;
  border-radius: var(--r-lg);
  background: var(--bg-sheet-cell);
}

.np-facts li {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
  padding: 11px var(--s-4);
  color: var(--label);
  font-size: var(--t-subhead);
  line-height: 1.4;
  text-wrap: pretty;
}

.np-facts li + li::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: calc(var(--s-4) + 16px + var(--s-3));
  height: 0.5px;
  background: var(--separator);
}

.np-facts .icon {
  flex: none;
  margin-top: 2px;
  color: var(--success);
}

/* 加到主畫面: numbered rows in one cell (not three bordered boxes). */
.np-steps {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  overflow: hidden;
  list-style: none;
  border-radius: var(--r-lg);
  background: var(--bg-sheet-cell);
}

.np-step {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--s-3);
  min-height: var(--row-h);
  padding: 10px var(--s-4);
}

.np-step + .np-step::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: calc(var(--s-4) + 24px + var(--s-3));
  height: 0.5px;
  background: var(--separator);
}

.np-step p {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-2);
  margin: 0;
  font-size: var(--t-subhead);
  line-height: 1.4;
}

.np-num {
  display: grid;
  place-items: center;
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--fill);
  color: var(--label);
  font-size: var(--t-footnote);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.np-glyph {
  display: inline-grid;
  place-items: center;
  color: var(--accent);
}

.np-glyph .icon {
  transform: rotate(180deg);
}

.np-sheet .fine {
  margin: 0;
  text-wrap: pretty;
}

.np-actions {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

/* 「之後再說」: a plain text button under the primary. */
.btn.ghost {
  background: transparent;
  color: var(--accent);
  font-weight: 400;
}

.btn.ghost:active:not(:disabled) {
  background: var(--fill-hover);
}

.np-error {
  margin: 0;
  padding: 0 var(--s-4);
  color: var(--danger);
  font-size: var(--t-footnote);
  line-height: 1.4;
}

/* ── 診斷 ───────────────────────────────────────────────────── */
.dg-sheet {
  position: relative;
  display: flex;
  flex-direction: column;
  padding-bottom: var(--s-6);
}

.dg-sheet > .sheet-title {
  margin: 0 0 var(--s-6);
  padding: 0 var(--s-4);
}

.dg-sheet > .sheet-title h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--t-title2);
  font-weight: 700;
  line-height: 1.3;
}

.dg-sheet > .sheet-title p {
  margin: var(--s-1) 0 0;
  color: var(--label-2);
  font-size: var(--t-subhead);
  line-height: 1.45;
  text-wrap: pretty;
}

/* The actions: accent rows in one cell (§3.9: no grid of boxed buttons). */
.dg-acts {
  margin: 0 0 var(--s-8);
}

.dg-act {
  color: var(--accent);
  font-size: var(--t-body);
  text-align: left;
}

.dg-act > .icon {
  flex: none;
  width: 22px;
  color: var(--accent);
}

.dg-sec {
  margin-bottom: var(--s-8);
}

.dg-list {
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: var(--bg-sheet-cell);
}

.dg-row {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: var(--s-4);
  min-height: var(--row-h);
  padding: 11px var(--s-4);
}

.dg-row + .dg-row::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: var(--s-4);
  height: 0.5px;
  background: var(--separator);
}

.dg-row dt {
  flex: none;
  color: var(--label);
  font-size: var(--t-body);
  white-space: nowrap;
}

/* Values: technical, so mono is fine here — but quiet, and they wrap. */
.dg-row dd {
  display: flex;
  flex: 1;
  align-items: baseline;
  justify-content: flex-end;
  gap: 6px;
  min-width: 0;
  margin: 0;
  color: var(--label-2);
  font-family: var(--font-mono);
  font-size: var(--t-footnote);
  text-align: right;
  overflow-wrap: anywhere;
}

.dg-dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--label-3);
  transform: translateY(-1px);
}

.dg-row dd[data-tone="ok"] .dg-dot {
  background: var(--success);
}

.dg-row dd[data-tone="warn"] .dg-dot {
  background: var(--waiting);
}

.dg-row dd[data-tone="bad"] {
  color: var(--danger);
}

.dg-row dd[data-tone="bad"] .dg-dot {
  background: var(--danger);
}

.dg-loading {
  padding: 0 var(--s-4);
  color: var(--label-2);
  font-size: var(--t-subhead);
}

/* ── In-app notice: another conversation has a card waiting (§3.11) ── */
.notify-banner {
  display: flex;
  flex: none;
  align-items: center;
  gap: var(--s-2);
  width: 100%;
  min-height: var(--touch);
  padding: var(--s-2) calc(var(--s-4) + var(--safe-right)) var(--s-2) calc(var(--s-4) + var(--safe-left));
  border: 0;
  background: var(--fill);
  color: var(--label);
  font-size: var(--t-footnote);
  font-weight: 500;
  text-align: left;
  animation: rise var(--d-base) var(--e-standard);
}

.notify-banner .icon {
  flex: none;
  color: var(--waiting);
}

.notify-banner span {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.notify-banner b {
  flex: none;
  color: var(--accent);
  font-weight: 600;
}

/* ── Toast: level 2, --r-lg, no capsule; one at a time (§3.11) ── */
/* toast.ts: one layer over every sheet, in the same box as #app (viewport.ts). */
.toast-layer {
  position: fixed;
  inset: 0;
  top: var(--vvt, 0px);
  height: var(--vvh, auto);
  z-index: 1000;
  pointer-events: none;
}

.app-toast {
  position: absolute;
  left: 50%;
  bottom: calc(var(--tab-h) + var(--safe-bottom) + var(--s-4));
  z-index: 5;
  width: max-content;
  max-width: min(calc(100% - 2 * var(--s-4) - var(--safe-left) - var(--safe-right)), 420px);
  margin: 0;
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-lg);
  background: var(--bg-elevated);
  color: var(--label);
  font-size: var(--t-subhead);
  line-height: 1.4;
  text-wrap: pretty;
  transform: translateX(-50%);
  box-shadow: var(--shadow-2);
  animation: rise var(--d-base) var(--e-spring);
}