/* ============================================================
   Divvy — design tokens
   ============================================================ */
:root {
  --bg: #f4f5f8;
  --bg-accent: #eceefb;
  --panel: #ffffff;
  --panel-2: #f4f6fa;
  --panel-3: #eceff5;
  --text: #0f1420;
  --text-2: #3d4657;
  --muted: #6b7488;
  --border: #e5e8f0;
  --border-2: #d8dde8;

  --brand: #4f46e5;
  --brand-2: #7c6cf6;
  --brand-soft: #eef0ff;
  --brand-ink: #ffffff;

  --ok: #059669;
  --ok-soft: #e7f7f0;
  --danger: #e11d48;
  --warn: #b45309;

  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 26px;

  --sh-1: 0 1px 2px rgba(16, 24, 40, 0.05);
  --sh-2: 0 2px 4px rgba(16, 24, 40, 0.04), 0 8px 20px rgba(16, 24, 40, 0.06);
  --sh-3: 0 12px 40px rgba(16, 24, 40, 0.12);
  --sh-brand: 0 6px 18px rgba(79, 70, 229, 0.28);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #080b14;
    --bg-accent: #0e1424;
    --panel: #121826;
    --panel-2: #171e2e;
    --panel-3: #1d2537;
    --text: #eef1f8;
    --text-2: #c3cbdb;
    --muted: #8b95ab;
    --border: #232c40;
    --border-2: #2e3850;

    --brand: #7c78ff;
    --brand-2: #9d8cff;
    --brand-soft: #1b1f3d;
    --brand-ink: #0a0d16;

    --ok: #34d399;
    --ok-soft: #0d2a22;
    --danger: #fb7185;
    --warn: #fbbf24;

    --sh-1: 0 1px 2px rgba(0, 0, 0, 0.5);
    --sh-2: 0 2px 6px rgba(0, 0, 0, 0.4), 0 10px 28px rgba(0, 0, 0, 0.4);
    --sh-3: 0 16px 48px rgba(0, 0, 0, 0.6);
    --sh-brand: 0 6px 20px rgba(124, 120, 255, 0.3);
  }
}

* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  min-height: 100dvh;
  background:
    radial-gradient(1100px 520px at 50% -220px, var(--bg-accent), transparent 70%),
    var(--bg);
  color: var(--text);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter,
    Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

#app {
  max-width: 640px;
  margin: 0 auto;
  padding: calc(14px + env(safe-area-inset-top)) 16px
    calc(140px + env(safe-area-inset-bottom));
}
.boot {
  color: var(--muted);
  text-align: center;
  padding: 64px 0;
}

/* ============================================================
   Header / brand
   ============================================================ */
header.app {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 6px 2px 16px;
}
header.app .brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  box-shadow: var(--sh-1);
  flex: 0 0 auto;
}
header.app h1 {
  font-size: 20px;
  font-weight: 750;
  letter-spacing: -0.03em;
  margin: 0;
  line-height: 1.1;
}
header.app .sub {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
  letter-spacing: -0.01em;
}
header.app .spacer {
  flex: 1;
}
@media (max-width: 430px) {
  header.app .sub {
    display: none; /* keep the header to a single line on phones */
  }
}

/* ============================================================
   Buttons / inputs
   ============================================================ */
button {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--border-2);
  background: var(--panel);
  color: var(--text);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  font-weight: 550;
  letter-spacing: -0.01em;
  transition:
    transform 0.12s var(--ease),
    background 0.18s var(--ease),
    border-color 0.18s var(--ease),
    box-shadow 0.18s var(--ease),
    opacity 0.18s var(--ease);
}
button:hover:not(:disabled) {
  border-color: var(--brand);
}
button:active:not(:disabled) {
  transform: scale(0.97);
}
button:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}
button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
button.primary {
  background: linear-gradient(180deg, var(--brand-2), var(--brand));
  color: var(--brand-ink);
  border-color: transparent;
  font-weight: 650;
  box-shadow: var(--sh-brand);
}
button.primary:hover:not(:disabled) {
  filter: brightness(1.07);
}
button.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
}
button.ghost:hover {
  background: var(--panel-2);
  color: var(--text);
  border-color: transparent;
}
button.icon {
  padding: 8px 10px;
  line-height: 1;
}
button.danger {
  color: var(--danger);
  border-color: transparent;
  background: transparent;
}
button.danger:hover {
  background: color-mix(in srgb, var(--danger) 10%, transparent);
  border-color: transparent;
}
button.link {
  border: none;
  background: none;
  padding: 0 0 0 6px;
  color: inherit;
  text-decoration: underline;
  font-size: inherit;
  font-weight: 550;
  opacity: 0.85;
}
button.big {
  padding: 15px 18px;
  font-size: 15.5px;
  border-radius: var(--r-md);
}

input,
select,
textarea {
  font: inherit;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 11px 13px;
  width: 100%;
  outline: none;
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease),
    background 0.18s var(--ease);
}
input:focus,
select:focus,
textarea:focus {
  border-color: var(--brand);
  background: var(--panel);
  box-shadow: 0 0 0 3.5px color-mix(in srgb, var(--brand) 15%, transparent);
}
input::placeholder,
textarea::placeholder {
  color: var(--muted);
}
textarea {
  min-height: 104px;
  resize: vertical;
}
header.app select {
  width: auto;
  padding: 8px 9px;
  font-size: 12.5px;
  font-weight: 650;
  background: var(--panel);
  border-color: var(--border-2);
}

/* ============================================================
   Step bar
   ============================================================ */
.stepbar {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 18px;
  padding: 6px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--sh-1);
}
.stepbar button {
  flex: 1;
  border: none;
  background: transparent;
  border-radius: 999px;
  padding: 9px 6px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 0;
}
.stepbar button:hover:not(:disabled) {
  background: var(--panel-2);
  border-color: transparent;
}
.stepbar button .n {
  width: 19px;
  height: 19px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--panel-3);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s var(--ease);
}
.stepbar button .lbl {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.stepbar button.done .n {
  background: var(--ok-soft);
  color: var(--ok);
}
.stepbar button.active {
  background: var(--brand-soft);
  color: var(--brand);
}
.stepbar button.active .n {
  background: var(--brand);
  color: var(--brand-ink);
}
@media (max-width: 400px) {
  .stepbar button:not(.active) .lbl {
    display: none;
  }
}

/* ============================================================
   Cards / panes
   ============================================================ */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-2);
  padding: 18px;
  margin-bottom: 14px;
}
.card h2 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
}
.card h2 .count {
  color: var(--brand);
}

.pane {
  animation: pane-in 0.42s var(--ease-out) both;
}
@keyframes pane-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.pane-head {
  margin: 2px 2px 16px;
}
.pane-head h2 {
  font-size: 23px;
  font-weight: 750;
  letter-spacing: -0.035em;
  margin: 0;
  color: var(--text);
  text-transform: none;
  display: block;
}
.pane-head p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13.5px;
}

.empty {
  color: var(--muted);
  font-size: 13.5px;
  text-align: center;
  padding: 16px 0;
}
.hint {
  color: var(--muted);
  font-size: 12.5px;
  margin-top: 11px;
}
.hint b {
  color: var(--text-2);
  font-weight: 650;
}
.toolbar {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 10px;
}

/* ============================================================
   Members
   ============================================================ */
.members {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.member-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 9px 9px 13px;
  border-radius: 999px;
  border: 1px solid var(--border-2);
  background: var(--panel-2);
  font-weight: 600;
  font-size: 14px;
  animation: pop 0.28s var(--ease-out) both;
}
@keyframes pop {
  from {
    opacity: 0;
    transform: scale(0.88);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.member-chip .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex: 0 0 auto;
}
.member-chip button {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 3px 5px;
  border-radius: 7px;
  font-size: 12px;
}
.member-chip button:hover {
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  color: var(--danger);
  border-color: transparent;
}
.add-member {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}
.add-member input {
  flex: 1;
}

/* ============================================================
   Import
   ============================================================ */
.import-actions {
  display: grid;
  gap: 9px;
}
.dropzone {
  border: 1.5px dashed var(--border-2);
  border-radius: var(--r-md);
  padding: 26px 18px;
  text-align: center;
  background: var(--panel-2);
  transition: all 0.2s var(--ease);
}
.dropzone .zi {
  font-size: 30px;
  line-height: 1;
  display: block;
  margin-bottom: 10px;
}
.dropzone p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
}

/* ============================================================
   Scanning animation
   ============================================================ */
.scan {
  display: flex;
  gap: 18px;
  align-items: center;
  padding: 6px 2px;
}
.scan-doc {
  position: relative;
  width: 78px;
  height: 104px;
  flex: 0 0 auto;
  border-radius: 8px;
  background: var(--panel-2);
  border: 1px solid var(--border-2);
  overflow: hidden;
  padding: 11px 9px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.scan-doc i {
  display: block;
  height: 5px;
  border-radius: 3px;
  background: linear-gradient(
    90deg,
    var(--border-2) 0%,
    var(--panel-3) 50%,
    var(--border-2) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s linear infinite;
}
.scan-doc i:nth-child(1) { width: 82%; }
.scan-doc i:nth-child(2) { width: 58%; animation-delay: 0.1s; }
.scan-doc i:nth-child(3) { width: 90%; animation-delay: 0.2s; }
.scan-doc i:nth-child(4) { width: 70%; animation-delay: 0.3s; }
.scan-doc i:nth-child(5) { width: 86%; animation-delay: 0.4s; }
.scan-doc i:nth-child(6) { width: 46%; animation-delay: 0.5s; }
@keyframes shimmer {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}
.scan-beam {
  position: absolute;
  left: 0;
  right: 0;
  height: 34px;
  top: -34px;
  background: linear-gradient(
    180deg,
    transparent,
    color-mix(in srgb, var(--brand) 30%, transparent),
    transparent
  );
  box-shadow: 0 0 14px color-mix(in srgb, var(--brand) 45%, transparent);
  animation: beam 1.9s var(--ease) infinite;
}
@keyframes beam {
  0% { top: -34px; }
  100% { top: 104px; }
}
.scan-body {
  min-width: 0;
  flex: 1;
}
.scan-title {
  font-weight: 650;
  font-size: 15px;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.badge {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
}
.ocr-status {
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 5px;
}
.progress {
  margin-top: 11px;
  height: 6px;
  border-radius: 999px;
  background: var(--panel-3);
  overflow: hidden;
}
.progress > span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  transition: width 0.35s var(--ease);
}
.progress.indeterminate > span {
  width: 40% !important;
  animation: indet 1.4s var(--ease) infinite;
}
@keyframes indet {
  0% { transform: translateX(-105%); }
  100% { transform: translateX(255%); }
}

/* ============================================================
   Dishes
   ============================================================ */
.item {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 12px;
  margin-bottom: 10px;
  background: var(--panel-2);
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.item:focus-within {
  border-color: var(--brand);
  box-shadow: var(--sh-1);
}
.item .top {
  display: flex;
  gap: 8px;
  align-items: center;
}
.item .name {
  flex: 1;
  min-width: 0;
  font-weight: 550;
  background: var(--panel);
}
.item .price {
  width: 96px;
  flex: 0 0 auto;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 650;
  background: var(--panel);
}
.item .assign {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 11px;
}
.assign-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 11px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  border: 1.5px solid var(--border-2);
  background: var(--panel);
  color: var(--muted);
}
.assign-chip .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  opacity: 0.35;
  flex: 0 0 auto;
}
.assign-chip.on {
  color: var(--text);
  border-color: currentColor;
  background: color-mix(in srgb, currentColor 8%, var(--panel));
}
.assign-chip.on .dot {
  opacity: 1;
}
.assign-chip .stepper {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 3px;
}
.assign-chip .stepper button {
  border: none;
  background: color-mix(in srgb, currentColor 16%, transparent);
  color: inherit;
  width: 21px;
  height: 21px;
  padding: 0;
  border-radius: 7px;
  font-size: 15px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.assign-chip .stepper b {
  min-width: 12px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.assign-chip.everyone {
  color: var(--brand);
  border-style: dashed;
  border-color: color-mix(in srgb, var(--brand) 40%, transparent);
  background: var(--panel);
}
.assign-chip.everyone.on {
  border-style: solid;
  background: var(--brand-soft);
  border-color: var(--brand);
}

.item .per {
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 9px;
  font-variant-numeric: tabular-nums;
}
button.per.per-action {
  display: block;
  width: auto;
  border: none;
  background: none;
  padding: 0;
  margin-top: 9px;
  font-size: 11.5px;
  font-weight: 550;
  color: var(--brand);
  text-align: left;
  cursor: pointer;
}
button.per.per-action:hover {
  border-color: transparent;
  opacity: 0.75;
}
button.per.per-action u {
  text-underline-offset: 2px;
}

/* ============================================================
   Charges
   ============================================================ */
details.charges-wrap {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--panel-2);
  padding: 12px 14px;
  margin-top: 4px;
}
details.charges-wrap summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 13.5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  list-style: none;
}
details.charges-wrap summary::-webkit-details-marker {
  display: none;
}
details.charges-wrap summary .amt {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-weight: 650;
}
.charges {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
  margin-top: 14px;
}
.charges label {
  font-size: 11.5px;
  color: var(--muted);
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
}

/* ============================================================
   Totals
   ============================================================ */
.total-row {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
}
.total-row:last-of-type {
  border-bottom: none;
}
.total-row .dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  flex: 0 0 auto;
}
.total-row .who {
  font-weight: 650;
  flex: 1;
  min-width: 0;
}
.total-row .who small {
  display: block;
  font-weight: 450;
  color: var(--muted);
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
}
.total-row .amt {
  font-weight: 750;
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.summary {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1.5px dashed var(--border-2);
  display: grid;
  gap: 6px;
}
.summary .line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.summary .line.grand {
  color: var(--text);
  font-weight: 750;
  font-size: 16.5px;
  margin-top: 5px;
  letter-spacing: -0.02em;
}

.warn,
.ok-note {
  margin-top: 12px;
  font-size: 12.5px;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  line-height: 1.5;
}
.warn {
  color: var(--warn);
  background: color-mix(in srgb, var(--warn) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--warn) 28%, transparent);
}
.ok-note {
  color: var(--ok);
  background: var(--ok-soft);
  border: 1px solid color-mix(in srgb, var(--ok) 28%, transparent);
}
.warn b {
  white-space: nowrap;
}

/* ============================================================
   Sticky action bar
   ============================================================ */
.cta-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-top: 1px solid var(--border);
  animation: bar-in 0.4s var(--ease-out) both;
}
@keyframes bar-in {
  from { opacity: 0; transform: translateY(100%); }
  to { opacity: 1; transform: none; }
}
.cta-inner {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.cta-total {
  min-width: 0;
  line-height: 1.25;
}
.cta-total span {
  display: block;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  font-weight: 700;
}
.cta-total b {
  font-size: 19px;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.cta-inner button {
  flex: 1;
}
.cta-inner button.grow2 {
  flex: 1.4;
}

/* ============================================================
   Share modal
   ============================================================ */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 12, 22, 0.6);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 50;
  animation: fade 0.24s var(--ease) both;
}
@keyframes fade {
  from { opacity: 0; }
  to { opacity: 1; }
}
.share-card {
  background: var(--panel);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-3);
  padding: 16px;
  width: 100%;
  max-width: 400px;
  max-height: 92dvh;
  overflow: auto;
  animation: rise 0.34s var(--ease-out) both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(22px) scale(0.97); }
  to { opacity: 1; transform: none; }
}
.share-fields {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-bottom: 12px;
}
.receipt-preview {
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--sh-2);
}
.share-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 14px;
}
.share-btns .primary {
  grid-column: 1 / -1;
}

/* ============================================================
   Misc
   ============================================================ */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(96px + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(8px);
  background: #111827;
  color: #fff;
  padding: 11px 17px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 550;
  z-index: 60;
  opacity: 0;
  pointer-events: none;
  box-shadow: var(--sh-3);
  transition: opacity 0.24s var(--ease), transform 0.24s var(--ease);
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%);
}

body.dropping::after {
  content: "Drop the bill image to scan";
  position: fixed;
  inset: 10px;
  border: 2px dashed var(--brand);
  border-radius: var(--r-xl);
  background: color-mix(in srgb, var(--brand) 12%, transparent);
  color: var(--brand);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 80;
  backdrop-filter: blur(3px);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   RECEIPT SHELL
   The bill itself is one continuous sheet of paper resting on a
   café table, so the app and the image it shares look like the
   same object. Sections are divided by dashed perforations
   instead of floating cards.
   ============================================================ */
:root {
  --paper: #fffdf6;
  --paper-2: #f8f4e9;
  --paper-3: #f0ebdd;
  --paper-line: #d9d1bf;
  --paper-ink: #1a1712;
  --paper-ink-2: #4a443a;
  --paper-muted: #8b8271;
  --table-1: #e9e0d1;
  --table-2: #ded3c1;
  --table-glow: #f3ece0;
  --grain-op: 0.42;
  --grain-blend: multiply;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  /* torn-edge scallop size */
  --z: 9px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #16191f;
    --paper-2: #1b1f27;
    --paper-3: #222732;
    --paper-line: #333a47;
    --paper-ink: #f0f2f7;
    --paper-ink-2: #c6ccd8;
    --paper-muted: #8b93a4;
    --table-1: #0a0c11;
    --table-2: #05070a;
    --table-glow: #131722;
    --grain-op: 0.3;
    --grain-blend: overlay;
  }
}

/* The table surface. No background-attachment:fixed — iOS Safari mis-sizes it. */
body {
  background:
    radial-gradient(1200px 620px at 50% -180px, var(--table-glow), transparent 72%),
    linear-gradient(160deg, var(--table-1), var(--table-2)) no-repeat;
  background-size: 100% 100%, 100% 100%;
}

#app {
  max-width: 720px;
}

/* The sheet of paper */
.sheet {
  position: relative;
  background: var(--paper);
  padding: 22px 20px 26px;
  margin: 0 0 8px;
  /* Torn top and bottom edges. A mask clips box-shadow, so the lift comes
     from a drop-shadow filter, which follows the mask's alpha instead. */
  -webkit-mask:
    radial-gradient(circle var(--z) at 50% 0, #0000 97%, #000 100%) top center /
      calc(var(--z) * 2.15) var(--z) repeat-x,
    radial-gradient(circle var(--z) at 50% 100%, #0000 97%, #000 100%) bottom center /
      calc(var(--z) * 2.15) var(--z) repeat-x,
    linear-gradient(#000, #000) center / 100% calc(100% - var(--z) * 2) no-repeat;
  mask:
    radial-gradient(circle var(--z) at 50% 0, #0000 97%, #000 100%) top center /
      calc(var(--z) * 2.15) var(--z) repeat-x,
    radial-gradient(circle var(--z) at 50% 100%, #0000 97%, #000 100%) bottom center /
      calc(var(--z) * 2.15) var(--z) repeat-x,
    linear-gradient(#000, #000) center / 100% calc(100% - var(--z) * 2) no-repeat;
  filter: drop-shadow(0 2px 3px rgba(60, 45, 20, 0.14))
    drop-shadow(0 16px 34px rgba(60, 45, 20, 0.16));

  /* Re-theme every child to paper by overriding the tokens they already use */
  --panel: var(--paper);
  --panel-2: var(--paper-2);
  --panel-3: var(--paper-3);
  --border: var(--paper-line);
  --border-2: var(--paper-line);
  --text: var(--paper-ink);
  --text-2: var(--paper-ink-2);
  --muted: var(--paper-muted);
  color: var(--paper-ink);
}
@media (prefers-color-scheme: dark) {
  .sheet {
    filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.55))
      drop-shadow(0 18px 40px rgba(0, 0, 0, 0.6));
  }
}

/* Paper grain */
.sheet::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: var(--grain-op);
  mix-blend-mode: var(--grain-blend);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.32'/%3E%3C/svg%3E");
}
.sheet > * {
  position: relative;
}

/* Cards flatten into perforated sections of the one bill */
.sheet .card {
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  padding: 4px 0 18px;
  margin: 0 0 18px;
  border-bottom: 1.5px dashed var(--paper-line);
}
.sheet .card:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 2px;
}
.sheet .pane-head {
  margin: 0 0 18px;
}
.sheet .pane-head h2 {
  color: var(--paper-ink);
}

/* Numbers get the receipt treatment */
.sheet .item .price,
.sheet .total-row .amt,
.sheet .summary .line,
.sheet .item .per,
.sheet details.charges-wrap summary .amt,
.cta-total b {
  font-family: var(--mono);
  letter-spacing: -0.02em;
}
.sheet .total-row .amt {
  font-size: 17px;
}

/* Inputs stay clearly interactive against paper */
.sheet input,
.sheet textarea,
.sheet .item .name,
.sheet .item .price {
  background: color-mix(in srgb, var(--paper) 60%, #fff);
  border-color: var(--paper-line);
}
@media (prefers-color-scheme: dark) {
  .sheet input,
  .sheet textarea,
  .sheet .item .name,
  .sheet .item .price {
    background: var(--paper-3);
  }
}
.sheet .item {
  background: color-mix(in srgb, var(--paper-2) 70%, transparent);
  border-color: var(--paper-line);
}
.sheet .dropzone {
  background: color-mix(in srgb, var(--paper-2) 60%, transparent);
  border-color: var(--paper-line);
}
.sheet details.charges-wrap {
  background: color-mix(in srgb, var(--paper-2) 60%, transparent);
  border-color: var(--paper-line);
}

/* The action bar reads as part of the table, not the paper */
.cta-bar {
  background: color-mix(in srgb, var(--table-2) 78%, transparent);
  border-top: 1px solid color-mix(in srgb, var(--paper-line) 45%, transparent);
}