* { box-sizing: border-box; }

:root {
  --bg: #F3F1FF;
  --card: #ffffff;
  --tint: #EEEDFE;
  --tint-strong: #CECBF6;
  --purple: #7F77DD;
  --purple-dark: #534AB7;
  --ink: #26215C;
  --ink-soft: #3C3489;
  --muted: #7A74B0;
  --border: #E3E0FA;
}

body {
  font-family: -apple-system, "Segoe UI", system-ui, sans-serif;
  max-width: 480px;
  margin: 0 auto;
  padding: 16px;
  background: var(--bg);
  color: var(--ink);
}

.app-header {
  text-align: center;
  padding: 8px 0 20px;
}
.app-header h1 {
  font-size: 22px;
  font-weight: 700;
  margin: 0;
  color: var(--ink);
}
.app-header h1 span { color: var(--purple); }
.app-header p {
  font-size: 12px;
  color: var(--muted);
  margin: 2px 0 0;
}

h2 { font-size: 17px; margin-top: 28px; color: var(--ink); font-weight: 600; }
p { color: var(--ink-soft); }

.step { display: none; }
.step.active {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px 18px 20px;
  margin-top: 8px;
}
.step.active h2:first-child { margin-top: 0; }

button {
  font-size: 15px;
  font-weight: 600;
  padding: 13px 16px;
  border-radius: 14px;
  border: none;
  background: var(--purple);
  color: white;
  width: 100%;
  margin-top: 12px;
  cursor: pointer;
}
button:disabled { background: var(--tint-strong); color: #ffffff; }
button.secondary { background: var(--tint); color: var(--purple-dark); }
button.reject { background: var(--tint); color: #99356E; }

input, textarea {
  width: 100%;
  font-size: 16px;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-top: 6px;
  background: var(--card);
  color: var(--ink);
}
input:focus, textarea:focus { outline: 2px solid var(--purple); outline-offset: 1px; }

label { display: block; margin-top: 14px; font-weight: 600; font-size: 13px; color: var(--ink-soft); }
.radio-row { margin-top: 8px; }
.radio-row label {
  font-weight: 500; margin-top: 0; display: flex; align-items: center; gap: 12px;
  color: var(--ink); font-size: 15px;
  border: 1.5px solid var(--border); border-radius: 12px;
  padding: 13px 14px; background: var(--card);
  width: 100%;
}
.radio-row label:has(input:checked) {
  border-color: var(--purple); background: var(--tint); font-weight: 600;
}
.radio-row input[type="radio"] {
  width: 20px; height: 20px; accent-color: var(--purple); flex-shrink: 0; margin: 0;
}

table.grid { width: 100%; border-collapse: separate; border-spacing: 0 6px; margin-top: 12px; font-size: 13px; }
table.grid thead th {
  position: sticky; top: 0; z-index: 3;
  background: var(--card); text-align: center; font-size: 13px; color: var(--ink);
  font-weight: 700; padding: 8px 6px; border-bottom: 2px solid var(--purple);
}
table.grid th.item-col, table.grid td.item-col { text-align: left; }
table.grid td { background: var(--card); padding: 8px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
table.grid td.item-col { border-left: 1px solid var(--border); border-radius: 10px 0 0 10px; font-size: 12px; color: var(--ink); max-width: 110px; }
table.grid td:last-child { border-right: 1px solid var(--border); border-radius: 0 10px 10px 0; }
table.grid td.cell { cursor: pointer; text-align: center; color: var(--tint-strong); font-weight: 700; }
table.grid td.cell.on { background: var(--purple); color: white; }
table.grid td.cell.on:first-child { border-radius: 10px 0 0 10px; }
.split-btn { width: auto !important; font-size: 11px !important; padding: 4px 8px !important; margin-top: 4px !important; border-radius: 8px !important; }
.subtotal-row td { font-weight: 700; background: var(--tint); border-top: none; border-bottom: none; color: var(--ink); }

.person-card {
  background: var(--card);
  border-radius: 18px;
  padding: 18px 20px;
  margin-top: 12px;
  border: 1px solid var(--border);
}
.person-card strong { color: var(--muted); font-size: 13px; font-weight: 600; text-transform: none; }
.person-card .amount { font-size: 34px; font-weight: 700; margin: 6px 0 12px; color: var(--ink); }
.person-card .line { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); padding: 3px 0; }
.status-badge { display: inline-block; padding: 4px 10px; border-radius: 999px; font-size: 11px; font-weight: 700; margin-left: 8px; vertical-align: middle; }
.status-badge.pending { background: #FAEEDA; color: #854F0B; }
.status-badge.confirmed { background: #EAF3DE; color: #3B6D11; }
.status-badge.rejected { background: #FBEAF0; color: #993556; }

.mascot-wrap { display: flex; justify-content: center; margin: 4px 0 14px; }

.receipt-meta { font-size: 11px; color: var(--muted); text-align: center; margin: -2px 0 12px; }

.split-between {
  font-size: 12px; color: var(--muted); display: flex; justify-content: space-between;
  padding-top: 8px; margin-top: 8px; border-top: 1px dashed var(--border);
}

.pay-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--tint); border-radius: 12px; padding: 10px 12px; margin-top: 10px;
}
.pay-row .avatar {
  width: 32px; height: 32px; border-radius: 50%; background: var(--purple); color: white;
  display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0;
}
.pay-row .info { flex: 1; }
.pay-row .info .label { font-size: 10px; color: var(--muted); }
.pay-row .info .name { font-size: 13px; font-weight: 600; color: var(--ink); }
.pay-row .chevron { color: var(--purple-dark); font-size: 16px; }

.landing-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 18px;
  padding: 24px 20px 22px; margin-top: 8px; text-align: center;
}
.landing-headline { font-size: 24px; font-weight: 700; color: var(--ink); margin: 4px 0 8px; }
.landing-sub { font-size: 14px; color: var(--ink-soft); margin: 0 0 20px; line-height: 1.5; }
.landing-steps { display: flex; flex-direction: column; gap: 12px; text-align: left; margin-bottom: 20px; }
.landing-step { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--ink); }
.landing-step-num {
  width: 26px; height: 26px; border-radius: 50%; background: var(--tint); color: var(--purple-dark);
  display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; flex-shrink: 0;
}
.landing-cta {
  display: block; background: var(--purple); color: white; font-size: 16px; font-weight: 600;
  padding: 15px 16px; border-radius: 14px; text-decoration: none; text-align: center;
}
.landing-footnote { font-size: 12px; color: var(--muted); margin: 12px 0 0; }

.name-list button { display: block; background: var(--card); color: var(--purple-dark); border: 1px solid var(--border); }
.issues { background: #FAEEDA; color: #633806; padding: 10px 12px; border-radius: 12px; font-size: 13px; margin-top: 10px; }
.link-box {
  background: var(--card); border: 1.5px solid var(--border); padding: 12px 14px; border-radius: 12px;
  word-break: break-all; font-size: 14px; margin-top: 8px; color: var(--purple-dark);
  display: flex; align-items: center; justify-content: space-between; gap: 10px; cursor: pointer;
}
.link-box .copy-hint { flex-shrink: 0; font-size: 12px; font-weight: 700; color: var(--purple); }
.link-box.copied { border-color: var(--purple); }
.link-box.copied .copy-hint { color: #3B6D11; }