/* ============================================================
   DM Sans — Variable Font
   ============================================================ */
@font-face {
  font-family: 'DM Sans';
  src: url('/public/fonts/DMSans-latin-ext.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF;
}
@font-face {
  font-family: 'DM Sans';
  src: url('/public/fonts/DMSans-latin.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ============================================================
   Design Tokens — Light Mode
   ============================================================ */
:root {
  /* Surfaces */
  --bg:            #F8F8F7;
  --bg-card:       #FFFFFF;
  --bg-subtle:     #F1F0EE;
  --bg-input:      #FFFFFF;
  --bg-elevated:   #F4F3F1;

  /* Text */
  --text-primary:   #0F0F0D;
  --text-secondary: #6B6866;
  --text-tertiary:  #A09E9A;
  --text-disabled:  #CAC7C2;

  /* Borders */
  --border:        #E8E6E1;
  --border-strong: #CEC9C2;

  /* Accent */
  --accent:        #2563EB;
  --accent-hover:  #1D4ED8;

  /* Semantic */
  --green:    #16A34A;
  --green-bg: #F0FDF4;
  --red:      #DC2626;
  --red-bg:   #FEF2F2;
  --amber:    #D97706;
  --amber-bg: #FFFBEB;
  --blue:     #2563EB;
  --blue-bg:  #EFF6FF;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.06), 0 2px 4px -1px rgba(0,0,0,.04);

  /* Radius */
  --r-sm:   6px;
  --r-md:   10px;
  --r-lg:   16px;
  --r-xl:   20px;
  --r-full: 9999px;

  /* Space (8px grid) */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-8: 32px;
  --s-10: 40px;
  --s-12: 48px;

  /* Nav */
  --nav-h: 56px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-top:    env(safe-area-inset-top, 0px);

  /* Chart colors */
  --chart-1: #2563EB;
  --chart-2: #16A34A;
  --chart-3: #D97706;
  --chart-4: #9333EA;
  --chart-5: #DB2777;
  --chart-6: #0891B2;

  /* Nav bg */
  --nav-bg: rgba(248,248,247,0.92);
}

/* ============================================================
   Design Tokens — Dark Mode
   ============================================================ */
@media (prefers-color-scheme: dark) {
  :root {
    --bg:            #0D0D10;
    --bg-card:       #1A1A1E;
    --bg-subtle:     #222228;
    --bg-input:      #1A1A1E;
    --bg-elevated:   #28282E;

    --text-primary:   rgba(255,255,255,0.92);
    --text-secondary: rgba(255,255,255,0.52);
    --text-tertiary:  rgba(255,255,255,0.30);
    --text-disabled:  rgba(255,255,255,0.18);

    --border:        rgba(255,255,255,0.07);
    --border-strong: rgba(255,255,255,0.13);

    --accent:        #4F8EFF;
    --accent-hover:  #6BA0FF;

    --green:    #30D158;
    --green-bg: rgba(48,209,88,0.12);
    --red:      #FF453A;
    --red-bg:   rgba(255,69,58,0.12);
    --amber:    #FF9F0A;
    --amber-bg: rgba(255,159,10,0.12);
    --blue:     #4F8EFF;
    --blue-bg:  rgba(79,142,255,0.12);

    --shadow-xs: none;
    --shadow-sm: none;
    --shadow-md: none;

    --chart-1: #4F8EFF;
    --chart-2: #30D158;
    --chart-3: #FF9F0A;
    --chart-4: #BF5AF2;
    --chart-5: #FF375F;
    --chart-6: #5AC8FA;

    --nav-bg: rgba(13,13,16,0.90);
  }
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'DM Sans', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

a { color: var(--accent); text-decoration: none; }
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; }

/* ============================================================
   Layout
   ============================================================ */
#root, #app {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  max-width: 480px;
  margin: 0 auto;
}

.main-content {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.tab-panel {
  display: none;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding-top: var(--safe-top);
  padding-bottom: calc(var(--nav-h) + var(--safe-bottom) + 8px);
}

.tab-panel.active {
  display: block;
}

/* ============================================================
   Typography Utilities
   ============================================================ */
.tabular { font-variant-numeric: tabular-nums lining-nums; }
.text-xs { font-size: 11px; line-height: 1.4; }
.ml-2    { margin-left: 8px; }

.text-primary   { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary  { color: var(--text-tertiary); }
.text-positive  { color: var(--green); }
.text-negative  { color: var(--red); }
.text-accent    { color: var(--accent); }

.section-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding: var(--s-4) var(--s-4) var(--s-2);
}

/* ============================================================
   Bottom Navigation
   ============================================================ */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  height: calc(var(--nav-h) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-top: 1px solid var(--border);
  display: flex;
  z-index: 100;
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  border: none;
  background: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  color: var(--text-tertiary);
  transition: color 120ms;
  padding: 0;
}

.nav-item.active { color: var(--accent); }

.nav-icon { display: flex; }

.nav-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* ============================================================
   Toast
   ============================================================ */
.toast-container, .toast-stack {
  position: fixed;
  top: calc(var(--safe-top) + var(--s-3));
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  width: calc(100% - var(--s-8));
  max-width: 400px;
  pointer-events: none;
}

.toast {
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: 500;
  animation: toast-in 180ms ease;
  pointer-events: auto;
  box-shadow: 0 4px 16px rgba(0,0,0,.18);
}

.toast, .toast.success {
  background: #111110;
  color: rgba(255,255,255,0.92);
}

.toast.error   { background: var(--red);   color: #fff; }
.toast.warning { background: var(--amber); color: #fff; }

@media (prefers-color-scheme: dark) {
  .toast, .toast.success { background: #2E2E34; color: rgba(255,255,255,0.92); }
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(-8px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ============================================================
   Loading States
   ============================================================ */
.loading-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s-4);
  background: var(--bg);
  z-index: 200;
  padding-bottom: calc(var(--nav-h) + var(--safe-bottom));
}

.spinner {
  width: 28px;
  height: 28px;
  border: 2.5px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 550ms linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-subtle) 25%,
    var(--bg-elevated) 50%,
    var(--bg-subtle) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--r-md);
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================================
   Empty State
   ============================================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--s-12) var(--s-8);
  color: var(--text-tertiary);
  text-align: center;
  gap: var(--s-3);
}

.empty-state-icon { opacity: 0.35; }
.empty-state p { font-size: 14px; color: var(--text-tertiary); }

/* ============================================================
   Queue Banner
   ============================================================ */
.queue-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s-3) var(--s-4);
  background: var(--amber-bg);
  border-bottom: 1px solid rgba(217,119,6,.2);
  font-size: 13px;
  font-weight: 500;
  color: var(--amber);
  gap: var(--s-3);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  width: 100%;
  height: 48px;
  padding: 0 var(--s-4);
  border: none;
  border-radius: var(--r-md);
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: opacity 120ms, transform 100ms, background 120ms;
  white-space: nowrap;
}

.btn-primary:hover   { background: var(--accent-hover); }
.btn-primary:active  { transform: scale(0.97); }
.btn-primary:disabled { opacity: 0.45; pointer-events: none; }

.btn-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  width: 100%;
  height: 48px;
  padding: 0 var(--s-4);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 120ms, transform 100ms;
}

.btn-secondary:active  { transform: scale(0.97); background: var(--bg-subtle); }
.btn-secondary:disabled { opacity: 0.45; pointer-events: none; }

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: var(--r-md);
  background: var(--accent);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 22px;
  line-height: 1;
  -webkit-tap-highlight-color: transparent;
  transition: transform 100ms, background 120ms;
}

.btn-icon:active { transform: scale(0.94); }

.text-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  color: var(--accent);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  padding: var(--s-1) var(--s-2);
  border-radius: var(--r-sm);
  -webkit-tap-highlight-color: transparent;
  transition: background 120ms;
}

.text-btn:hover  { background: var(--blue-bg); }
.text-btn:active { background: var(--blue-bg); }

/* ============================================================
   Form Elements
   ============================================================ */
.form-group { margin-bottom: var(--s-4); }

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--s-1);
  letter-spacing: 0.01em;
}

.input-field {
  width: 100%;
  height: 44px;
  padding: 0 var(--s-3);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 15px;
  color: var(--text-primary);
  outline: none;
  transition: border-color 150ms, box-shadow 150ms;
  -webkit-appearance: none;
  appearance: none;
}

.input-field:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

@media (prefers-color-scheme: dark) {
  .input-field:focus { box-shadow: 0 0 0 3px rgba(79,142,255,.16); }
}

.input-field::placeholder { color: var(--text-disabled); }

.input-field[type="date"] { color-scheme: light; }
@media (prefers-color-scheme: dark) {
  .input-field[type="date"] { color-scheme: dark; }
}

select.input-field {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23A09E9A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--s-3) center;
  padding-right: 36px;
}

.amount-input {
  width: 100%;
  height: 64px;
  padding: 0 var(--s-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  font-size: 32px;
  font-weight: 700;
  font-variant-numeric: tabular-nums lining-nums;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  outline: none;
  text-align: right;
  transition: border-color 150ms;
  -webkit-appearance: none;
}

.amount-input:focus { border-color: var(--accent); }
.amount-input::placeholder { color: var(--text-disabled); font-weight: 400; }

/* ============================================================
   Auth Screen
   ============================================================ */
.auth-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: var(--s-6) var(--s-5);
  background: var(--bg);
}

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

.auth-wordmark {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  margin-bottom: var(--s-8);
}

.auth-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.auth-wordmark-text {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.auth-logo {
  margin-bottom: var(--s-8);
  color: var(--text-tertiary);
}

.auth-title {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: var(--s-1);
}

.auth-sub {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--s-6);
  line-height: 1.5;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.auth-error {
  font-size: 13px;
  color: var(--red);
  padding: var(--s-2) var(--s-3);
  background: var(--red-bg);
  border-radius: var(--r-sm);
}

.auth-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  margin-top: var(--s-5);
  font-size: 13px;
  color: var(--text-secondary);
}

.auth-divider {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--border-strong);
  display: inline-block;
}

/* ============================================================
   Budget Bar
   ============================================================ */
.budget-bar-wrap {
  padding: var(--s-3) var(--s-4);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}

.budget-bar-labels {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--s-2);
  font-size: 12px;
  color: var(--text-secondary);
}

.budget-bar-labels .amount {
  font-weight: 600;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.budget-track {
  height: 4px;
  background: var(--bg-subtle);
  border-radius: var(--r-full);
  overflow: hidden;
}

.budget-fill {
  height: 100%;
  border-radius: var(--r-full);
  background: var(--green);
  transition: width 400ms ease;
}

.budget-fill.warning { background: var(--amber); }
.budget-fill.over    { background: var(--red); }

/* ============================================================
   Capture Tab
   ============================================================ */
.capture-hero {
  padding: var(--s-3) var(--s-4) var(--s-3);
}

.camera-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  width: 100%;
  padding: var(--s-8) var(--s-4);
  background: var(--bg-card);
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--r-xl);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: border-color 150ms, background 150ms;
  color: var(--text-secondary);
  margin-bottom: var(--s-3);
}

.camera-btn:active {
  background: var(--bg-subtle);
  border-color: var(--accent);
  border-style: solid;
}

.camera-icon {
  color: var(--text-tertiary);
  display: flex;
}

.camera-btn-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.camera-btn-sub {
  font-size: 11px;
  color: var(--text-tertiary);
}

.capture-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-2);
}

.capture-action-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--s-1);
  padding: var(--s-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 120ms;
  text-align: left;
}

.capture-action-btn:active { background: var(--bg-subtle); }

.capture-action-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.capture-action-sub {
  font-size: 12px;
  color: var(--text-tertiary);
}

.history-list {
  padding: 0 var(--s-4) var(--s-4);
}

.purchase-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--s-3) var(--s-4);
  margin-bottom: var(--s-2);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 100ms;
}

.purchase-card:active { background: var(--bg-subtle); }

.purchase-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
}

.purchase-retailer {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.purchase-amount {
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums lining-nums;
  color: var(--text-primary);
  white-space: nowrap;
  flex-shrink: 0;
}

.purchase-meta {
  display: flex;
  gap: var(--s-2);
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.purchase-meta span + span::before {
  content: '·';
  margin-right: var(--s-2);
}

/* ============================================================
   Receipt Confirm
   ============================================================ */
.confirm-screen {
  padding: var(--s-4);
}

.confirm-header {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-5);
  margin-bottom: var(--s-3);
}

.confirm-retailer {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--s-1);
}

.confirm-meta {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: var(--s-4);
}

.confirm-total {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums lining-nums;
  margin-bottom: var(--s-3);
  line-height: 1;
}

.checksum-ok {
  display: inline-flex;
  align-items: center;
  gap: var(--s-1);
  font-size: 13px;
  font-weight: 500;
  color: var(--green);
  padding: var(--s-1) var(--s-2);
  background: var(--green-bg);
  border-radius: var(--r-sm);
  margin-bottom: var(--s-3);
}

.checksum-warn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-size: 13px;
  font-weight: 500;
  color: var(--amber);
  padding: var(--s-1) var(--s-2);
  background: var(--amber-bg);
  border-radius: var(--r-sm);
  margin-bottom: var(--s-3);
  flex-wrap: wrap;
}

.confirm-stats {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: 13px;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.confirm-stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px var(--s-2);
  border-radius: var(--r-full);
  font-size: 11px;
  font-weight: 600;
}

.confirm-stat-badge.new   { background: var(--blue-bg);  color: var(--blue); }
.confirm-stat-badge.cheap { background: var(--green-bg); color: var(--green); }

/* Receipt item list */
.item-list {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: var(--s-3);
}

.item-row {
  display: flex;
  align-items: center;
  padding: var(--s-3) var(--s-4);
  border-bottom: 1px solid var(--border);
  gap: var(--s-3);
}

.item-row:last-child { border-bottom: none; }

.item-name {
  flex: 1;
  min-width: 0;
}

.item-name > div:first-child {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-raw-name {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-price {
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums lining-nums;
  color: var(--text-primary);
  white-space: nowrap;
}

.item-badge {
  display: inline-flex;
  padding: 1px 6px;
  border-radius: var(--r-full);
  font-size: 10px;
  font-weight: 600;
  white-space: nowrap;
}

.item-badge.discount { background: var(--blue-bg);  color: var(--blue); }
.item-badge.storno   { background: var(--red-bg);   color: var(--red); }
.item-badge.new      { background: var(--green-bg); color: var(--green); }

.price-anomaly-down { color: var(--green); font-size: 12px; font-weight: 600; }
.price-anomaly-up   { color: var(--red);   font-size: 12px; font-weight: 600; }

.details-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  padding: var(--s-3) var(--s-4);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  gap: var(--s-2);
}

/* ============================================================
   Quick Form & Manual Form
   ============================================================ */
.quick-form, .manual-form {
  padding: var(--s-4);
}

.manual-items {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: var(--s-3);
}

.manual-item-row {
  display: flex;
  align-items: center;
  padding: var(--s-3) var(--s-4);
  border-bottom: 1px solid var(--border);
  gap: var(--s-3);
}

.manual-item-row:last-child { border-bottom: none; }

.manual-item-name {
  flex: 1;
  font-size: 14px;
  color: var(--text-primary);
  min-width: 0;
}

.manual-item-price {
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums lining-nums;
  color: var(--text-primary);
  white-space: nowrap;
}

.add-manual-item {
  display: flex;
  gap: var(--s-2);
  align-items: center;
  margin-bottom: var(--s-4);
}

.user-toggle {
  display: flex;
  background: var(--bg-subtle);
  border-radius: var(--r-md);
  padding: 3px;
  gap: 2px;
}

.user-btn {
  flex: 1;
  height: 36px;
  border: none;
  border-radius: 8px;
  background: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 150ms;
  -webkit-tap-highlight-color: transparent;
}

.user-btn.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: var(--shadow-xs);
}

/* ============================================================
   Shopping List
   ============================================================ */
.list-tab { padding: 0 var(--s-4) var(--s-4); }

.list-suggestions { margin-bottom: var(--s-4); }

.suggestions-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: var(--s-2);
}

.suggestion-chip, .suggestion-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--s-1);
  padding: var(--s-2) var(--s-3);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  color: var(--text-primary);
  -webkit-tap-highlight-color: transparent;
  transition: background 120ms;
  margin-right: var(--s-2);
  margin-bottom: var(--s-2);
}

.suggestion-chip:active, .suggestion-pill:active { background: var(--bg-subtle); }

.add-item-row {
  display: flex;
  gap: var(--s-2);
  margin-bottom: var(--s-4);
}

.shopping-item {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin-bottom: var(--s-2);
  transition: opacity 200ms;
}

.shopping-item.checked { opacity: 0.45; }

.checkbox {
  width: 22px;
  height: 22px;
  border-radius: var(--r-sm);
  border: 1.5px solid var(--border-strong);
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 150ms, border-color 150ms;
  -webkit-tap-highlight-color: transparent;
  color: transparent;
}

.checkbox.checked {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

.item-check-label, .item-label {
  flex: 1;
  font-size: 15px;
  color: var(--text-primary);
  min-width: 0;
}

.checked .item-check-label,
.checked .item-label {
  text-decoration: line-through;
  color: var(--text-tertiary);
}

.item-price-hint {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}

.delete-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 0;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
  transition: background 100ms, color 100ms;
}

.delete-btn:active { background: var(--red-bg); color: var(--red); }

.list-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--s-3) var(--s-4);
  background: var(--bg-subtle);
  border-radius: var(--r-md);
  margin-top: var(--s-3);
  font-size: 14px;
  color: var(--text-secondary);
}

/* ============================================================
   Stats Tab
   ============================================================ */
.stats-tab { padding: 0 var(--s-4) var(--s-4); }

.subview-header {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  margin-bottom: var(--s-4);
  padding-top: var(--s-4);
}

.subview-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}

.page-header {
  padding: var(--s-4) 0 var(--s-3);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.025em;
  text-align: left;
  color: var(--text-primary);
}

.period-toggle {
  display: flex;
  background: var(--bg-subtle);
  border-radius: var(--r-md);
  padding: 3px;
  gap: 2px;
  margin-bottom: var(--s-4);
}

.period-btn {
  flex: 1;
  height: 34px;
  border: none;
  border-radius: 8px;
  background: none;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 150ms;
  -webkit-tap-highlight-color: transparent;
}

.period-btn.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: var(--shadow-xs);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-5);
  margin-bottom: var(--s-3);
}

.card-pressable {
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 100ms;
}

.card-pressable:active { background: var(--bg-subtle); }

/* stat card inner elements — support both old and new class names */
.stat-card-title, .stat-card-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: var(--s-2);
}

.stat-total, .stat-card-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums lining-nums;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: var(--s-2);
}

.stat-diff, .stat-card-delta {
  display: inline-flex;
  align-items: center;
  gap: var(--s-1);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.bar-chart-row, .bar-row {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  margin-bottom: var(--s-3);
}

.bar-chart-row:last-child, .bar-row:last-child { margin-bottom: 0; }

.bar-label {
  font-size: 13px;
  color: var(--text-secondary);
  width: 120px;
  flex-shrink: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bar-track {
  flex: 1;
  height: 6px;
  background: var(--bg-subtle);
  border-radius: var(--r-full);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: var(--r-full);
  background: var(--accent);
  transition: width 500ms cubic-bezier(0.4,0,0.2,1);
}

.bar-value {
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums lining-nums;
  color: var(--text-primary);
  width: 64px;
  text-align: right;
  flex-shrink: 0;
}

/* ============================================================
   Autocomplete
   ============================================================ */
.autocomplete-wrap { position: relative; flex: 1; }

.autocomplete-list {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-md);
  z-index: 50;
  max-height: 220px;
  overflow-y: auto;
}

@media (prefers-color-scheme: dark) {
  .autocomplete-list {
    box-shadow: 0 4px 16px rgba(0,0,0,.4);
  }
}

.autocomplete-item {
  padding: var(--s-3) var(--s-4);
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background 100ms;
}

.autocomplete-item:last-child { border-bottom: none; }
.autocomplete-item:active     { background: var(--bg-subtle); }

.autocomplete-item-sub {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 1px;
}

/* ============================================================
   Purchase List / Detail
   ============================================================ */
.purchase-list-view,
.purchase-detail-view {
  padding-bottom: calc(var(--nav-h) + var(--safe-bottom) + 16px);
}

.purchase-list-header {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-4) var(--s-4) var(--s-2);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
  border-bottom: 1px solid var(--border);
}

.purchase-date-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding: var(--s-4) 0 var(--s-2);
}

.purchase-row-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s-3) var(--s-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin-bottom: var(--s-2);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 100ms;
  gap: var(--s-3);
}

.purchase-row-item:active { background: var(--bg-subtle); }

.purchase-row-left {
  min-width: 0;
  flex: 1;
}

.purchase-row-meta {
  display: flex;
  gap: var(--s-2);
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.purchase-row-meta span + span::before {
  content: '·';
  margin-right: var(--s-2);
}

/* ============================================================
   Settings
   ============================================================ */
.settings-page {
  padding: 0 var(--s-4) var(--s-4);
}

.settings-heading {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.025em;
  padding: var(--s-4) 0 var(--s-3);
  margin-bottom: 0;
}

.settings-section-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding: var(--s-4) var(--s-1) var(--s-2);
}

.settings-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.settings-user-info {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  padding: var(--s-4) var(--s-5);
}

.settings-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.settings-row {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  width: 100%;
  padding: var(--s-3) var(--s-4);
  background: none;
  border: none;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  text-align: left;
  -webkit-tap-highlight-color: transparent;
  transition: background 100ms;
}

.settings-row:last-child { border-bottom: none; }
.settings-row:active { background: var(--bg-subtle); }

.settings-row-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.settings-row-content { flex: 1; min-width: 0; }

.settings-row-label {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
}

.settings-row-sub {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 1px;
}

.settings-budget-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s-3) var(--s-4);
  border-bottom: 1px solid var(--border);
}

.settings-budget-row:last-child { border-bottom: none; }

.settings-row-danger .settings-row-label { color: var(--red); }