*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #f6f6f4;
  --surface: #ffffff;
  --text: #111111;
  --muted: #6b6b6b;
  --faint: #a8a8a8;
  --line: rgba(0, 0, 0, 0.08);
  --line-strong: rgba(0, 0, 0, 0.22);
  --accent: #111111;
  --on-accent: #ffffff;
  --danger: #c0392b;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #060606;
    --surface: #121212;
    --text: #f2f2f2;
    --muted: #8c8c8c;
    --faint: #555555;
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.24);
    --accent: #f2f2f2;
    --on-accent: #060606;
    --danger: #ff6b5e;
    color-scheme: dark;
  }
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Space Grotesk", -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.4;
  -webkit-tap-highlight-color: transparent;
}

main {
  max-width: 560px;
  margin: 0 auto;
  padding: max(12px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right))
    max(32px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  min-height: 100vh;
}

button,
input,
select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: 0;
  cursor: pointer;
}

input,
select {
  width: 100%;
  font-size: 17px; /* 16px+ stops iOS zooming into fields */
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  outline: none;
}

input:focus,
select:focus {
  border-color: var(--text);
}

input::placeholder {
  color: var(--faint);
}

/* ---- wireframe wordmark ---- */

.wire {
  position: relative;
  display: inline-block;
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--text);
}

.wire::before {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  -webkit-text-stroke: 1px var(--faint);
  transform: translate(3px, 3px);
  z-index: -1;
}

.wire-lg {
  font-size: clamp(4rem, 22vw, 6.5rem);
}

.wire-lg::before {
  transform: translate(6px, 6px);
}

/* ---- buttons ---- */

.btn {
  min-height: 48px;
  padding: 0 20px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 500;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
}

.btn.wide {
  width: 100%;
}

.btn.ghost {
  background: none;
  color: var(--text);
  border: 1px solid var(--line-strong);
}

.btn.danger {
  background: none;
  color: var(--danger);
  padding: 0 4px;
  margin-right: auto;
}

.link {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 8px 4px;
}

.icon {
  width: 44px;
  height: 44px;
  flex: none;
  border-radius: 10px;
  color: var(--muted);
  font-size: 1.25rem;
}

/* ---- auth ---- */

.auth {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  text-align: center;
}

.auth-form {
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.auth-links {
  display: flex;
  gap: 20px;
}

.msg,
.hint {
  color: var(--muted);
  font-size: 0.95rem;
  min-height: 1.4em;
}

.loading {
  padding: 40vh 0;
  text-align: center;
  color: var(--muted);
}

/* ---- header ---- */

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  margin-bottom: 8px;
}

.back {
  color: var(--muted);
  padding: 10px 0;
  font-size: 1rem;
}

.title {
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

/* ---- stores ---- */

.stores {
  list-style: none;
  border-top: 1px solid var(--line);
  margin: 16px 0 20px;
}

.store-row {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 64px;
  padding: 0 4px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.store-name {
  flex: 1;
  font-size: 1.2rem;
}

.store-count {
  color: var(--muted);
  font-size: 0.9rem;
}

.chev {
  color: var(--faint);
  font-size: 1.4rem;
}

.account {
  margin-top: 48px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--faint);
  font-size: 0.85rem;
}

/* ---- add forms ---- */

.add {
  display: flex;
  gap: 8px;
}

.add.sticky {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--bg);
  padding: 8px 0 12px;
}

.add-field {
  position: relative;
  flex: 1;
}

.suggest {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.suggest button {
  width: 100%;
  text-align: left;
  padding: 13px 14px;
  font-size: 1rem;
}

.suggest li + li {
  border-top: 1px solid var(--line);
}

/* ---- items ---- */

.item-list {
  list-style: none;
}

.item {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--line);
}

.check {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 60px;
  padding: 8px 0;
  text-align: left;
}

.box {
  flex: none;
  width: 24px;
  height: 24px;
  border: 1.5px solid var(--line-strong);
  border-radius: 50%;
  position: relative;
  transition: background 0.15s, border-color 0.15s;
}

.is-checked .box {
  background: var(--accent);
  border-color: var(--accent);
}

.is-checked .box::after {
  content: "";
  position: absolute;
  left: 7.5px;
  top: 3.5px;
  width: 6px;
  height: 11px;
  border: solid var(--on-accent);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.item-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.item-name {
  font-size: 1.1rem;
  overflow-wrap: anywhere;
}

.item-meta {
  color: var(--muted);
  font-size: 0.85rem;
}

.is-checked .item-name,
.is-checked .item-meta {
  text-decoration: line-through;
  text-decoration-thickness: 1.5px;
  color: var(--faint);
}

.is-checked .thumb {
  opacity: 0.4;
}

.thumb {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  overflow: hidden;
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.by {
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 0.7rem;
  display: grid;
  place-items: center;
}

.by.other {
  background: var(--muted);
  border-color: var(--muted);
  color: var(--bg);
}

.done-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 28px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.done-head .link {
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.9rem;
}

.empty {
  color: var(--faint);
  padding: 32px 0;
  text-align: center;
  list-style: none;
}

/* ---- sheets ---- */

dialog {
  border: 0;
  padding: 0;
  margin: auto auto 0;
  width: 100%;
  max-width: 560px;
  max-height: 92vh;
  background: var(--surface);
  color: var(--text);
  border-radius: 16px 16px 0 0;
}

dialog:focus {
  outline: none;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.45);
}

@media (min-width: 600px) {
  dialog {
    margin: auto;
    border-radius: 16px;
  }
}

.sheet-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px 16px max(20px, env(safe-area-inset-bottom));
}

.sheet-body h2 {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.field {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.field > span {
  font-size: 0.8rem;
  color: var(--muted);
}

.row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.actions {
  margin-top: 8px;
  align-items: center;
}

.photo {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.photo img {
  width: 100%;
  max-height: 240px;
  object-fit: cover;
  border-radius: 10px;
}

.viewer {
  display: block;
  width: 100%;
  padding: 0;
}

.viewer img {
  display: block;
  width: 100%;
  max-height: 85vh;
  object-fit: contain;
}

/* ---- toast ---- */

.toast {
  position: fixed;
  left: 50%;
  bottom: max(24px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  max-width: calc(100% - 32px);
  padding: 12px 18px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 0.95rem;
  z-index: 100;
}