/* BrianHub Shopping — mobile-first. Designed for one thumb in a supermarket:
   big targets, high contrast, nothing that needs precision. */
:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --surface-raised: #273449;
  --border: #334155;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --danger: #f87171;
  --warn: #fbbf24;
  --done: #4ade80;
  --row-height: 56px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  overscroll-behavior-y: none;
}

.hidden {
  display: none !important;
}

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

.app {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

/* --- app bar --- */
.app-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: calc(env(safe-area-inset-top, 0px) + 10px) 12px 10px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.app-bar-titles {
  flex: 1 1 auto;
  min-width: 0;
}

.app-bar h1 {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-subtitle {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.icon-button {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
}

.icon-button:active {
  background: var(--surface-raised);
}

/* --- menus and sheets --- */
.menu {
  position: absolute;
  top: calc(100% - 4px);
  right: 8px;
  min-width: 220px;
  padding: 6px;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
  z-index: 40;
}

.menu-item {
  display: block;
  width: 100%;
  padding: 12px 14px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font-size: 16px;
  text-align: left;
  cursor: pointer;
}

.menu-item:active {
  background: var(--surface);
}

.menu-item.danger {
  color: var(--danger);
}

.menu-item.subtle {
  color: var(--text-muted);
}

.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.7);
  z-index: 50;
}

.sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  padding: 20px 16px calc(20px + var(--safe-bottom));
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-radius: 18px 18px 0 0;
  box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.5);
  max-height: 88vh;
  overflow-y: auto;
}

.sheet h2 {
  margin: 0 0 14px;
  font-size: 18px;
}

.sheet-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sheet-form label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
}

.field-note {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

.sheet-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.sheet-actions button {
  flex: 1 1 0;
}

.sheet-actions-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

input[type='text'],
input[type='email'],
input[type='password'],
input[type='date'],
select {
  width: 100%;
  padding: 13px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 16px; /* 16px stops iOS zooming the viewport on focus */
}

input:focus,
select:focus,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.primary-button,
.secondary-button {
  padding: 13px 18px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
}

.primary-button {
  background: var(--accent-strong);
  color: #04263a;
}

.secondary-button {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

/* --- status --- */
.status-banner {
  padding: 9px 16px;
  font-size: 13px;
  background: var(--surface);
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.status-banner.warn {
  background: rgba(251, 191, 36, 0.14);
  color: var(--warn);
}

.status-banner.error {
  background: rgba(248, 113, 113, 0.16);
  color: var(--danger);
}

/* --- body --- */
.app-body {
  flex: 1 1 auto;
  position: relative;
}

.view {
  padding: 12px 12px calc(96px + var(--safe-bottom));
}

.empty {
  padding: 32px 12px;
  text-align: center;
  color: var(--text-muted);
}

/* --- lists --- */
/* --- needs queue --- */
.needs-card {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 14px 16px;
  margin-bottom: 12px;
  border: 1px dashed var(--border);
  border-radius: 14px;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.needs-card:active {
  background: var(--surface);
}

.needs-card-title {
  font-size: 16px;
  font-weight: 600;
}

.needs-card-meta {
  font-size: 13px;
  color: var(--text-muted);
}

/* --- due now --- */
.due-strip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  margin-bottom: 12px;
  border-radius: 10px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.due-strip-text {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 13px;
  color: var(--text);
  overflow-wrap: anywhere;
}

.due-strip-add {
  flex: 0 0 auto;
  padding: 7px 12px;
  border: none;
  border-radius: 8px;
  background: var(--accent-strong);
  color: #04263a;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.usual-meta.due {
  color: var(--accent);
  font-weight: 600;
}

.filter-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.chip {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
}

.chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #04263a;
  font-weight: 600;
}

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

.list-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.list-card:active {
  background: var(--surface-raised);
}

.list-card.complete .list-card-name {
  color: var(--text-muted);
}

.list-card-name {
  font-size: 17px;
  font-weight: 600;
}

.list-card-meta {
  font-size: 13px;
  color: var(--text-muted);
}

.list-card-bar {
  display: block;
  height: 4px;
  margin-top: 8px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
}

.list-card-bar > span {
  display: block;
  height: 100%;
  background: var(--done);
}

.fab {
  position: fixed;
  right: 18px;
  bottom: calc(22px + var(--safe-bottom));
  width: 60px;
  height: 60px;
  border: none;
  border-radius: 50%;
  background: var(--accent-strong);
  color: #04263a;
  font-size: 30px;
  box-shadow: 0 10px 28px rgba(14, 165, 233, 0.4);
  cursor: pointer;
  z-index: 15;
}

/* --- item list --- */
.add-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.add-input {
  flex: 1 1 auto;
}

.items {
  display: flex;
  flex-direction: column;
}

.item-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: var(--row-height);
  padding: 6px 4px 6px 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  touch-action: pan-y;
}

.item-row.dragging {
  position: relative;
  z-index: 10;
  background: var(--surface-raised);
  border-radius: 10px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.45);
}

.item-check {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: transparent;
  color: transparent;
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
}

.item-row.done .item-check {
  border-color: var(--done);
  background: var(--done);
  color: #05240f;
}

.item-row[data-state='unavailable'] .item-check {
  border-color: var(--danger);
  background: var(--danger);
  color: #2b0707;
}

.item-row[data-state='substituted'] .item-check {
  border-color: var(--warn);
  background: var(--warn);
  color: #2b1d02;
}

.item-main {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 0;
  cursor: pointer;
}

.item-name {
  font-size: 16px;
  overflow-wrap: anywhere;
}

.item-row.done .item-name {
  color: var(--text-muted);
  text-decoration: line-through;
}

.item-note {
  font-size: 12px;
  color: var(--warn);
}

.item-menu {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  font-size: 19px;
  cursor: pointer;
}

.drag-handle {
  flex: 0 0 auto;
  width: 32px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 17px;
  cursor: grab;
  touch-action: none;
}

/* The divider the ticked-off items collapse behind. */
.done-divider {
  width: 100%;
  margin-top: 18px;
  padding: 12px 4px;
  border: none;
  border-top: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 14px;
  text-align: left;
  cursor: pointer;
}

.drag-handle.inert {
  opacity: 0;
  pointer-events: none;
}

/* --- usual items --- */
.usual-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 12px;
  max-height: 52vh;
  overflow-y: auto;
}

.usual-row {
  display: flex;
  align-items: stretch;
  gap: 4px;
}

.usual-pick {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  font-size: 16px;
  text-align: left;
  cursor: pointer;
}

.usual-pick.selected {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.14);
}

.usual-pick.selected .usual-name::before {
  content: '✓ ';
  color: var(--accent);
}

.usual-name {
  overflow-wrap: anywhere;
}

.usual-meta {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--text-muted);
}

.usual-forget {
  flex: 0 0 auto;
  width: 40px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
}

.usual-forget:active {
  background: var(--surface-raised);
}

/* --- tidy up names --- */
.tidy-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 14px 0 4px;
  max-height: 50vh;
  overflow-y: auto;
}

.tidy-group {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
}

.tidy-variants {
  font-size: 14px;
  color: var(--text-muted);
  overflow-wrap: anywhere;
}

.tidy-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.tidy-select {
  flex: 1 1 auto;
  min-width: 0;
}

.tidy-merge {
  flex: 0 0 auto;
}

.primary-button:disabled {
  opacity: 0.45;
  cursor: default;
}

.list-footer {
  margin-top: 22px;
}

.list-footer button {
  width: 100%;
}

/* --- auth --- */
.auth-gate {
  padding: 32px 20px;
  max-width: 420px;
  margin: 0 auto;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 18px;
}

.auth-form label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
}

.auth-form button {
  margin-top: 20px;
}

.auth-error {
  margin: 12px 0 0;
  color: var(--danger);
  font-size: 14px;
}

/* --- toast --- */
.toast {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(94px + var(--safe-bottom));
  z-index: 80;
  padding: 11px 18px;
  border-radius: 999px;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 14px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
}

/* --- wider screens --- */
@media (min-width: 720px) {
  .app-bar,
  .view,
  .status-banner {
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
  }

  .sheet {
    left: 50%;
    right: auto;
    bottom: 50%;
    transform: translate(-50%, 50%);
    width: min(480px, 92vw);
    border-radius: 16px;
  }

  .fab {
    right: max(18px, calc(50vw - 344px));
  }
}