/* Just Us — components (docs/ui-spec.md §3). */

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-block-size: var(--tap);
  min-inline-size: var(--tap);
  padding-block: var(--s-2);
  padding-inline: var(--s-4);
  border: 1px solid transparent;
  border-radius: var(--r-control);
  background: transparent;
  color: var(--text);
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--dur-1) var(--ease), transform var(--dur-1) var(--ease), opacity var(--dur-1);
  touch-action: manipulation;
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.55;
}

.btn--primary {
  background: var(--accent);
  color: var(--on-accent);
}

.btn--primary:hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent) 88%, #000);
}

.btn--secondary {
  background: var(--surface);
  border-color: var(--control-border);
  color: var(--text);
}

.btn--secondary:hover:not(:disabled),
.btn--ghost:hover:not(:disabled) {
  background: var(--surface-2);
}

.btn--ghost {
  color: var(--accent-fg);
}

.btn--danger {
  background: var(--danger);
  color: var(--on-danger);
}

.btn--success {
  background: var(--success);
  color: var(--on-success);
}

.btn--link {
  padding-inline: 0;
  min-inline-size: 0;
  color: var(--accent-fg);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  font-weight: 600;
}

.btn--danger-text {
  color: var(--danger);
}

.btn--block {
  inline-size: 100%;
}

.btn--lg {
  min-block-size: 52px;
  font-size: var(--fs-lg);
}

.btn--icon {
  padding: 0;
  inline-size: var(--tap);
  border-radius: 50%;
  color: inherit;
}

.btn--icon:hover:not(:disabled) {
  background: var(--surface-2);
}

.btn[aria-busy="true"] {
  pointer-events: none;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}

.btn-row > .btn {
  flex: 1 1 auto;
}

/* ---------- fields ---------- */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
}

.field__label {
  font-weight: 600;
  font-size: var(--fs-sm);
}

.field__input {
  inline-size: 100%;
  min-block-size: 48px;
  padding-block: var(--s-2);
  padding-inline: var(--s-3);
  border: 1px solid var(--control-border);
  border-radius: var(--r-control);
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
}

.field__input::placeholder {
  color: var(--text-muted);
}

.field__input[aria-invalid="true"] {
  border-color: var(--danger);
  border-width: 2px;
}

textarea.field__input {
  resize: vertical;
  min-block-size: 96px;
}

.field__hint {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.field__error {
  display: flex;
  gap: var(--s-1);
  align-items: flex-start;
  font-size: var(--fs-sm);
  color: var(--danger);
}

.field__ok {
  display: flex;
  gap: var(--s-1);
  align-items: center;
  font-size: var(--fs-sm);
  color: var(--success);
}

.input-with-action {
  position: relative;
}

.input-with-action .field__input {
  padding-inline-end: 52px;
}

.input-with-action .btn--icon {
  position: absolute;
  inset-inline-end: 2px;
  inset-block-start: 2px;
}

/* the whole 34-character code stays visible on a 390px screen */
.code-input {
  font-family: var(--mono);
  font-size: clamp(0.8125rem, 3.6vw, var(--fs-lg));
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* ---------- avatar, shield, chips ---------- */
.avatar {
  display: inline-grid;
  place-items: center;
  inline-size: 40px;
  block-size: 40px;
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--accent-fg);
  font-weight: 700;
  font-size: var(--fs-md);
  flex: none;
  user-select: none;
}

.avatar--lg {
  inline-size: 96px;
  block-size: 96px;
  font-size: var(--fs-2xl);
}

.shield {
  display: inline-flex;
  align-items: center;
  gap: var(--s-1);
  min-block-size: 32px;
  padding-block: 2px;
  padding-inline: var(--s-2);
  border: 1px solid currentColor;
  border-radius: var(--r-pill);
  background: transparent;
  font-size: var(--fs-xs);
  font-weight: 650;
  white-space: nowrap;
}

.shield--warn {
  color: var(--warning);
}

.shield--ok {
  color: var(--success);
}

button.shield {
  min-block-size: var(--tap);
  border: 0;
  padding-inline: var(--s-2);
}

button.shield > span.shield__pill {
  display: inline-flex;
  align-items: center;
  gap: var(--s-1);
  padding-block: 3px;
  padding-inline: var(--s-2);
  border: 1px solid currentColor;
  border-radius: var(--r-pill);
}

/* ---------- banners and toasts ---------- */
.banner {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding-block: var(--s-2);
  padding-inline: var(--s-4);
  font-size: var(--fs-sm);
  border-block-end: 1px solid var(--border);
}

.banner__text {
  flex: 1;
  min-inline-size: 0;
}

.banner--info,
.banner--neutral {
  background: var(--accent-soft);
}

.banner--warning {
  background: var(--warning-bg);
}

.banner--danger {
  background: var(--danger-bg);
}

.banner .btn {
  min-block-size: 36px;
  padding-inline: var(--s-3);
  font-size: var(--fs-sm);
}

.banner--warning .icon {
  color: var(--warning);
}

.banner--danger .icon {
  color: var(--danger);
}

.toast-region {
  position: fixed;
  inset-inline: 0;
  inset-block-end: calc(96px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-2);
  pointer-events: none;
  z-index: 60;
}

.toast {
  max-inline-size: min(92vw, 420px);
  padding-block: var(--s-2);
  padding-inline: var(--s-4);
  border-radius: var(--r-pill);
  background: var(--accent-fg);
  color: var(--bg);
  font-size: var(--fs-sm);
  box-shadow: var(--shadow-2);
  animation: toast-in var(--dur-3) var(--ease);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

/* ---------- dialogs and sheets ---------- */
dialog {
  color: var(--text);
}

.dlg {
  inline-size: min(92vw, 440px);
  max-block-size: min(88vh, 720px);
  padding: 0;
  border: 0;
  border-radius: var(--r-sheet);
  background: var(--surface);
  box-shadow: var(--shadow-2);
}

.dlg::backdrop {
  background: var(--scrim);
}

.dlg__inner {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  padding: var(--s-5);
}

.dlg__title {
  font-size: var(--fs-xl);
}

.dlg__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--s-2);
  padding-block-start: var(--s-2);
}

.dlg--sheet {
  margin-block: auto 0;
  inline-size: 100%;
  max-inline-size: 640px;
  border-end-start-radius: 0;
  border-end-end-radius: 0;
  padding-block-end: env(safe-area-inset-bottom);
}

.dlg--full {
  inline-size: 100vw;
  max-inline-size: 100vw;
  block-size: 100dvh;
  max-block-size: 100dvh;
  margin: 0;
  border-radius: 0;
}

.panel {
  inline-size: 100vw;
  max-inline-size: 100vw;
  block-size: 100dvh;
  max-block-size: 100dvh;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: var(--bg);
}

.panel::backdrop {
  background: var(--scrim);
}

.panel__header {
  position: sticky;
  inset-block-start: 0;
  display: flex;
  align-items: center;
  gap: var(--s-2);
  min-block-size: calc(var(--header-h) + env(safe-area-inset-top));
  padding-block-start: env(safe-area-inset-top);
  padding-inline: var(--s-2);
  background: var(--accent-soft);
  border-block-end: 1px solid var(--border);
  z-index: 2;
}

.panel__header h1,
.panel__header h2 {
  font-size: var(--fs-lg);
  flex: 1;
}

.panel__body {
  padding: var(--s-4);
  padding-block-end: calc(var(--s-6) + env(safe-area-inset-bottom));
}

@media (min-width: 900px) {
  .panel {
    margin-inline: auto 0;
    inline-size: var(--panel-w);
    border-inline-start: 1px solid var(--border);
    box-shadow: var(--shadow-2);
  }
}

/* ---------- menus ---------- */
.menu {
  min-inline-size: 220px;
  padding: var(--s-2);
  border: 1px solid var(--border);
  border-radius: var(--r-control);
  background: var(--surface);
  box-shadow: var(--shadow-2);
}

.menu__item {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  inline-size: 100%;
  min-block-size: var(--tap);
  padding-inline: var(--s-3);
  border: 0;
  border-radius: 8px;
  background: transparent;
  text-align: start;
}

.menu__item:hover,
.menu__item:focus-visible {
  background: var(--surface-2);
}

.menu__item--danger {
  color: var(--danger);
}

.menu__emoji {
  display: flex;
  gap: var(--s-1);
  padding-block-end: var(--s-2);
  margin-block-end: var(--s-2);
  border-block-end: 1px solid var(--border);
}

.menu__emoji .btn {
  font-size: 1.35rem;
  font-weight: 400;
}

/* ---------- list rows, switches ---------- */
.list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--r-control);
  background: var(--surface);
  overflow: hidden;
}

.row {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  min-block-size: 56px;
  padding-block: var(--s-2);
  padding-inline: var(--s-4);
  border: 0;
  border-block-end: 1px solid var(--border);
  background: transparent;
  text-align: start;
  inline-size: 100%;
}

.row:last-child {
  border-block-end: 0;
}

button.row:hover {
  background: var(--surface-2);
}

.row__main {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-inline-size: 0;
}

.row__label {
  font-weight: 550;
}

.row__desc {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.row__value {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  text-align: end;
}

.row--danger .row__label {
  color: var(--danger);
}

.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex: none;
  inline-size: 52px;
  block-size: 32px;
  padding: 0;
  border: 1px solid var(--control-border);
  border-radius: var(--r-pill);
  background: var(--surface-2);
}

.switch::after {
  content: "";
  position: absolute;
  inset-inline-start: 3px;
  inline-size: 24px;
  block-size: 24px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: inset-inline-start var(--dur-2) var(--ease);
}

.switch[aria-checked="true"] {
  background: var(--accent);
  border-color: var(--accent-fg);
}

.switch[aria-checked="true"]::after {
  inset-inline-start: 23px;
  background: var(--on-accent);
}

/* unavailable (e.g. notifications without push on the server): visibly different from "off" */
.switch:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.switch-hit {
  display: grid;
  place-items: center;
  min-inline-size: var(--tap);
  min-block-size: var(--tap);
}

.section-title {
  margin-block: var(--s-5) var(--s-2);
  padding-inline: var(--s-1);
  font-size: var(--fs-sm);
  font-weight: 650;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.note {
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-control);
  background: var(--surface-2);
  font-size: var(--fs-sm);
}

/* status notes carry a coloured edge as well as a tint, so they read differently from neutral notes */
/* a note right above a card of rows (Diagnostics → Last call) keeps its distance from it */
.note + .list {
  margin-block-start: var(--s-2);
}

.note--warning {
  background: var(--warning-bg);
  border-inline-start: 4px solid var(--warning);
}

.note--danger {
  background: var(--danger-bg);
  border-inline-start: 4px solid var(--danger);
}

/* ---------- checklist, strength meter ---------- */
.checklist {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.checklist__item {
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
  padding: var(--s-3);
  border-radius: var(--r-control);
  background: var(--surface);
  border: 1px solid var(--border);
}

/* fixed icon column so every label lines up, whatever the state glyph */
.checklist__icon {
  flex: none;
  display: inline-grid;
  place-items: center;
  inline-size: 24px;
  block-size: 24px;
}

.checklist__dot {
  inline-size: 8px;
  block-size: 8px;
  border-radius: 50%;
  background: var(--control-border);
}

.checklist__item--pending .row__label {
  color: var(--text-muted);
}

.checklist__status {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.ok {
  color: var(--success);
}

.warn {
  color: var(--warning);
}

.bad {
  color: var(--danger);
}

.meter {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-1);
}

.meter__bar {
  block-size: 6px;
  border-radius: 3px;
  background: var(--border);
}

.meter[data-score="1"] .meter__bar:nth-child(-n + 1),
.meter[data-score="2"] .meter__bar:nth-child(-n + 2),
.meter[data-score="3"] .meter__bar:nth-child(-n + 3),
.meter[data-score="4"] .meter__bar:nth-child(-n + 4) {
  background: var(--accent-fg);
}

/* ---------- QR, safety number ---------- */
.qr {
  inline-size: min(72vw, 260px);
  aspect-ratio: 1;
  padding: var(--s-3);
  border-radius: var(--r-control);
  background: #fff;
  color: #000;
}

.qr svg {
  inline-size: 100%;
  block-size: 100%;
}

.safety {
  display: grid;
  grid-template-columns: repeat(3, auto);
  justify-content: center;
  gap: var(--s-2) var(--s-4);
  padding: var(--s-4);
  border-radius: var(--r-control);
  background: var(--surface);
  border: 1px solid var(--border);
  font-family: var(--mono);
  font-size: var(--fs-lg);
  letter-spacing: 0.05em;
  user-select: text;
  direction: ltr;
}

/* ---------- progress ring ---------- */
.progress {
  position: relative;
  display: inline-grid;
  place-items: center;
  inline-size: 52px;
  block-size: 52px;
}

.progress svg {
  position: absolute;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
  transform: rotate(-90deg);
}

.progress__track {
  stroke: rgb(255 255 255 / 0.35);
}

.progress__bar {
  stroke: #fff;
  transition: stroke-dashoffset var(--dur-2) linear;
}

.progress .btn--icon {
  inline-size: 44px;
  min-inline-size: 44px;
  background: rgb(0 0 0 / 0.45);
  color: #fff;
}

/* ---------- menu layer, update bar ---------- */
.menu-layer {
  inline-size: 100vw;
  max-inline-size: 100vw;
  block-size: 100dvh;
  max-block-size: 100dvh;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.menu-layer::backdrop {
  background: transparent;
}

.menu-layer .menu {
  position: fixed;
  max-block-size: 80dvh;
  overflow-y: auto;
}

/* in the page flow above the app (body is a flex column), so it never covers the header or the composer */
.update-bar {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding-block: calc(var(--s-2) + env(safe-area-inset-top)) var(--s-2);
  padding-inline: var(--s-4) var(--s-3);
  background: var(--surface);
  border-block-end: 1px solid var(--border);
}

.code-block {
  overflow-wrap: anywhere;
  word-break: break-all;
  user-select: all;
}

/* label/value pairs (message info) */
.info-list {
  display: grid;
  gap: var(--s-3);
  margin: 0;
}

.info-list__row {
  display: grid;
  gap: 2px;
}

.info-list dt {
  font-size: var(--fs-sm);
  font-weight: 650;
  color: var(--text-muted);
}

.info-list dd {
  margin: 0;
}

/* ---------- app colour swatches (Settings → Appearance) ---------- */
.row--stack {
  flex-wrap: wrap;
}

.row--stack > .swatches,
.row--stack > .row-inline,
.row--stack > .field__hint {
  flex-basis: 100%;
}

/* a long value (Diagnostics → Last call) goes on its own line under the label instead of squeezing it */
.row--stack > .row__value {
  flex-basis: 100%;
  text-align: start;
}

.swatches {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-1);
}

.swatch {
  position: relative;
  display: grid;
  place-items: center;
  inline-size: var(--tap);
  block-size: var(--tap);
}

.swatch input {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
}

.swatch__dot {
  display: grid;
  place-items: center;
  inline-size: 32px;
  block-size: 32px;
  border-radius: 50%;
  background: var(--swatch);
  color: var(--swatch-ink);
  box-shadow: inset 0 0 0 1px rgb(0 0 0 / 0.15);
}

.swatch__dot--custom {
  background: var(--swatch, conic-gradient(#f28b82, #fbbc04, #93d9a8, #89cff0, #bba5e8, #f6a6c3, #f28b82));
}

.swatch__dot .icon {
  inline-size: 18px;
  block-size: 18px;
  stroke-width: 3;
  visibility: hidden;
}

.swatch input:checked + .swatch__dot {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

.swatch input:checked + .swatch__dot .icon {
  visibility: visible;
}

.swatch input:focus-visible + .swatch__dot {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.color-input {
  inline-size: var(--tap);
  block-size: var(--tap);
  padding: 2px;
  border: 1px solid var(--control-border);
  border-radius: var(--r-control);
  background: var(--surface);
}

/* ---------- A♥H logo, inside the app only (ADR-040) ---------- */
.logo {
  inline-size: 132px;
  block-size: 44px;
  color: var(--accent-fg);
}

.logo__heart {
  fill: var(--heart);
}

.row--logo {
  justify-content: center;
  padding-block: var(--s-4);
}