:root {
  --bg: #f6f8fb;
  --card: #fff;
  --text: #1f2937;
  --sub: #6b7280;
  --line: #e5e7eb;
  --primary: #2563eb;
  --danger: #dc2626;
  --font-body: 15px;
  --font-label: 13px;
  --font-input: 15px;
  --font-button: 14px;
  --font-table: 14px;
  --font-h1: 28px;
  --font-h2: 20px;
}
body.font-large {
  --font-body: 24px;
  --font-label: 21px;
  --font-input: 27px;
  --font-button: 26px;
  --font-table: 25px;
  --font-h1: 40px;
  --font-h2: 32px;
}
@media (hover: none) and (pointer: coarse) {
  body.font-auto {
    --font-body: 17px;
    --font-label: 15px;
    --font-input: 18px;
    --font-button: 17px;
    --font-table: 16px;
    --font-h1: 30px;
    --font-h2: 23px;
  }
}
* { box-sizing: border-box; }
html { min-height: 100%; }
body { margin: 0; min-height: 100%; font-family: Pretendard, Arial, sans-serif; background: var(--bg); color: var(--text); font-size: var(--font-body); }
.hidden { display: none !important; }
.container { max-width: 1180px; margin: 0 auto; padding: 24px; }
.header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; gap: 12px; }
.header-controls {
  display: grid;
  grid-template-columns: minmax(80px, 120px) auto;
  gap: 8px;
  align-items: center;
  justify-content: end;
  width: auto;
  min-width: 0;
  margin-left: auto;
}
.header-controls select,
.header-controls button {
  width: 100%;
  min-width: 0;
  max-width: none;
  white-space: nowrap;
}
#groupSelect { min-width: 0; max-width: 120px; }
h1 { margin: 0; font-size: var(--font-h1); }
h2 { margin: 0 0 12px; font-size: var(--font-h2); }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.card, .auth-card, .modal-card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.row { margin: 10px 0; }
.row.two { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
label { display: block; margin-bottom: 6px; font-size: var(--font-label); color: var(--sub); }
input, select { width: 100%; padding: 10px 12px; border: 1px solid #d1d5db; border-radius: 10px; font-size: var(--font-input); background: white; }
button, .button { border: 0; border-radius: 10px; padding: 10px 14px; cursor: pointer; text-decoration: none; display: inline-block; font-size: var(--font-button); }
button:disabled, .disabled { opacity: .55; pointer-events: none; }
.primary { background: var(--primary); color: white; }
.ghost { background: #eef2ff; color: #3730a3; }
.danger { background: var(--danger); color: white; }
.actions { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }

.expense-list-section { margin-bottom: 16px; }
.desktop-settlement-table td:last-child {
  white-space: nowrap;
  min-width: 240px;
}
.desktop-settlement-table td:last-child button {
  margin-right: 6px;
}
.desktop-settlement-table td:last-child button:last-child {
  margin-right: 0;
}

table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px; border-bottom: 1px solid var(--line); font-size: var(--font-table); text-align: left; vertical-align: top; }
th { color: var(--sub); }
.result { min-height: 120px; background: #111827; color: #f9fafb; border-radius: 10px; padding: 12px; white-space: pre-wrap; }
.checkbox-list { border: 1px solid var(--line); border-radius: 10px; padding: 10px; max-height: 220px; overflow: auto; background: #fafafa; }
.check-row { display: flex; gap: 8px; align-items: center; margin: 7px 0; }
.check-row input { width: auto; }
.pill { display: inline-block; background: #eef2ff; color: #3730a3; border-radius: 999px; padding: 3px 8px; font-size: 12px; }
.small { font-size: 13px; color: var(--sub); }
.auth-screen {
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4dvh, 32px) 24px;
}
.auth-card {
  max-width: 420px;
  width: 100%;
  margin: 0 auto;
}
.auth-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 18px;
}
.auth-actions .button {
  text-align: center;
  min-width: 220px;
}
.pending-intro { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); }
.modal { position: fixed; inset: 0; background: rgba(17, 24, 39, .35); display: flex; align-items: center; justify-content: center; padding: 24px; z-index: 20; }
.modal-card { width: 100%; max-width: 440px; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: #111827; color: #fff; border-radius: 12px; padding: 12px 16px; z-index: 30; max-width: min(520px, calc(100vw - 32px)); }
.pending { opacity: .65; }

.mobile-tabs {
  display: none;
}
.mobile-expense-list,
.mobile-settlement-list {
  display: none;
}
.expense-mobile-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: #fff;
  margin-bottom: 8px;
}
.expense-mobile-main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}
.expense-mobile-title {
  font-weight: 700;
  line-height: 1.25;
}
.expense-mobile-amount {
  font-weight: 700;
  white-space: nowrap;
}
.expense-mobile-meta {
  color: var(--sub);
  font-size: var(--font-label);
  line-height: 1.35;
  margin-top: 4px;
  word-break: break-word;
}
.expense-mobile-actions {
  display: none;
  gap: 6px;
  margin-top: 8px;
}
.expense-mobile-item.expanded .expense-mobile-actions {
  display: flex;
}
.expense-mobile-actions button {
  padding: 7px 10px;
}
.mobile-empty {
  padding: 10px 0;
}

.settlement-mobile-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: #fff;
  margin-bottom: 8px;
}
.settlement-mobile-info {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 8px;
  align-items: start;
}
.settlement-mobile-label {
  display: block;
  color: var(--sub);
  font-size: var(--font-label);
  margin-bottom: 2px;
}
.settlement-mobile-actions {
  display: flex;
  gap: 6px;
  margin-top: 9px;
  flex-wrap: nowrap;
}
.settlement-mobile-actions button {
  flex: 1 1 0;
  padding: 7px 8px;
}


@media (max-width: 960px) {
  .grid { grid-template-columns: 1fr; gap: 10px; }
  .header {
    align-items: center;
    flex-direction: row;
  }
  .header-controls {
    width: auto;
    grid-template-columns: minmax(76px, 110px) auto;
    overflow: visible;
    justify-content: end;
  }
  .header-controls select,
  .header-controls button {
    width: 100%;
    min-width: 0;
  }
  .header-controls button {
    width: auto;
    padding-left: 10px;
    padding-right: 10px;
  }
  .row.two { grid-template-columns: 1fr; }
  table { display: block; overflow-x: auto; }
}


@media (max-width: 720px) {
  .container {
    padding: 14px;
  }

  .mobile-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin: 0 0 12px;
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--bg);
    padding: 6px 0;
  }

  .mobile-tab {
    background: #eef2ff;
    color: #3730a3;
    border-radius: 999px;
    padding: 10px 12px;
    font-weight: 700;
  }

  .mobile-tab.active {
    background: var(--primary);
    color: #fff;
  }

  body.mobile-tab-expense .settlement-panel,
  body.mobile-tab-expense .settlement-list-section {
    display: none;
  }

  body.mobile-tab-settlement .expense-panel,
  body.mobile-tab-settlement .expense-list-section {
    display: none;
  }

  .result {
    display: none;
  }

  .result.has-result,
  .settlement-panel .result:not(:empty) {
    display: block;
  }

  .desktop-expense-table {
    display: none;
  }

  .mobile-expense-list {
    display: block;
  }

  .card {
    padding: 12px;
    margin-bottom: 10px;
  }

  .row {
    margin: 8px 0;
  }

  .actions {
    margin-top: 10px;
  }

  .expense-panel .meeting-row {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .expense-panel .payer-participants-row {
    grid-template-columns: 1fr 3fr;
    gap: 8px;
  }

  .desktop-settlement-table {
    display: none;
  }

  .mobile-settlement-list {
    display: block;
  }

}

@media (max-width: 420px) {
  .container {
    padding-left: 10px;
    padding-right: 10px;
  }
  .header {
    gap: 8px;
  }
  .header-controls {
    width: auto;
    grid-template-columns: minmax(72px, 100px) auto;
    gap: 6px;
  }
  .header-controls button {
    padding-left: 8px;
    padding-right: 8px;
  }
}


/* share image export */
.share-capture-host {
  position: fixed;
  left: -10000px;
  top: 0;
  z-index: -1;
  pointer-events: none;
}

.share-image-card {
  width: 720px;
  padding: 20px;
  background: #ffffff;
  color: #111827;
  font-family: Pretendard, Arial, sans-serif;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
}

.share-image-section + .share-image-section {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid #e5e7eb;
}

.share-image-section-title {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 8px;
}

.share-image-list {
  display: grid;
  gap: 6px;
}

.share-image-row {
  border: 1px solid #eef2f7;
  border-radius: 10px;
  background: #f9fafb;
  padding: 8px 10px;
  font-size: 14px;
  line-height: 1.35;
}

.share-expense-row {
  display: grid;
  grid-template-columns: minmax(90px, 1.1fr) minmax(70px, .7fr) minmax(90px, .9fr) minmax(160px, 1.7fr);
  gap: 8px;
  align-items: start;
}

.share-expense-title,
.share-expense-amount,
.share-transfer-amount {
  font-weight: 800;
}

.share-expense-amount,
.share-transfer-amount {
  text-align: right;
  white-space: nowrap;
}

.share-expense-payer,
.share-expense-participants {
  color: #374151;
  word-break: break-word;
}

.share-transfer-row {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) 24px minmax(120px, 1fr) minmax(100px, auto);
  gap: 8px;
  align-items: center;
}

.share-transfer-arrow {
  text-align: center;
  color: #6b7280;
  font-weight: 700;
}

.share-image-empty {
  color: #6b7280;
  background: #f9fafb;
  border-radius: 10px;
  padding: 10px;
  font-size: 14px;
}


/* v58 share image layout tuning */
.share-expense-row {
  grid-template-columns: minmax(80px, .9fr) minmax(86px, .75fr) minmax(120px, 1.15fr) minmax(180px, 1.7fr);
  column-gap: 14px;
}

.share-expense-amount {
  text-align: left;
}

.share-transfer-row {
  display: grid;
  grid-template-columns: auto 18px auto auto;
  justify-content: start;
  column-gap: 8px;
}

.share-transfer-amount {
  text-align: left;
  margin-left: 10px;
}

.share-transfer-from,
.share-transfer-to {
  font-weight: 700;
}


/* v59 highlight manager outgoing transfers */
.share-transfer-outgoing,
.share-transfer-outgoing .share-transfer-from,
.share-transfer-outgoing .share-transfer-arrow,
.share-transfer-outgoing .share-transfer-to,
.share-transfer-outgoing .share-transfer-amount {
  color: #b4534f;
}