:root {
  --navy: #1F3864;
  --navy-dark: #16213A;
  --gold: #B8892B;
  --ground: #FAF6EC;
  --card: #FFFFFF;
  --ink: #16213A;
  --ink-soft: #59627A;
  --line: rgba(22, 33, 58, 0.12);
  --danger: #B23A3A;
  --ok: #2E7D4F;
  --warn: #B8892B;
  font-family: 'Work Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--ground); color: var(--ink); min-height: 100vh; }
h1, h2, h3 { font-family: 'Fraunces', Georgia, serif; font-weight: 600; margin: 0; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
.hidden { display: none !important; }

.screen { min-height: 100vh; display: flex; align-items: flex-start; justify-content: center; padding: 24px 16px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 28px;
  max-width: 420px; width: 100%; box-shadow: 0 8px 24px -12px rgba(22,33,58,0.2); margin-top: 30px;
}
.card h1 { font-size: 1.3rem; margin-bottom: 4px; }
.card p.sub { color: var(--ink-soft); font-size: 0.88rem; margin-bottom: 22px; }

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 0.78rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 6px; }
.field input { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; font-size: 1rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 20px; border-radius: 999px; font-weight: 600; font-size: 0.94rem;
  border: 1px solid transparent; background: var(--navy); color: #fff; width: 100%;
}
.btn:hover { background: var(--navy-dark); }
.btn-secondary { background: transparent; color: var(--navy); border-color: var(--line); }
.error-text { color: var(--danger); font-size: 0.85rem; margin-top: 10px; }

header.topbar {
  background: var(--navy); color: #fff; padding: 16px 20px; display: flex; align-items: center; justify-content: space-between;
}
header.topbar h1 { font-size: 1.05rem; color: #fff; }
header.topbar button { background: none; border: 1px solid rgba(255,255,255,0.35); color: #fff; padding: 6px 14px; border-radius: 999px; font-size: 0.8rem; }

main.wrap { max-width: 480px; margin: 0 auto; padding: 20px 16px 60px; }

.balance-card { background: var(--navy); color: #fff; border-radius: 12px; padding: 24px; text-align: center; margin-bottom: 20px; }
.balance-card .label { font-size: 0.76rem; letter-spacing: 0.08em; text-transform: uppercase; color: #C9D2E6; }
.balance-card .amount { font-family: 'Fraunces', serif; font-size: 2.4rem; font-weight: 600; margin-top: 6px; }
.balance-card .sub { font-size: 0.8rem; color: #A9B4CE; margin-top: 4px; }

.pay-methods { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.pay-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px; border-radius: 10px; font-weight: 700; font-size: 0.98rem; border: none;
}
.pay-btn.cashapp { background: #00D632; color: #04331A; }
.pay-btn.venmo { background: #3D95CE; color: #fff; }
.pay-btn.card { background: var(--card); color: var(--ink); border: 1px solid var(--line); }
.pay-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.not-configured {
  background: #FBF3E0; border: 1px solid rgba(184,137,43,0.35); border-radius: 8px; padding: 14px 16px;
  font-size: 0.86rem; color: #6B4E17;
}

.amount-input-row { display: flex; gap: 10px; margin-bottom: 8px; }
.amount-input-row input {
  flex: 1; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; font-size: 1.1rem; font-variant-numeric: tabular-nums;
}

.fee-note {
  font-size: 0.82rem; color: var(--ink-soft); margin: 0 0 16px; font-variant-numeric: tabular-nums;
}
.fee-note strong { color: var(--ink); }

.section-label { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft); margin: 22px 0 10px; }

.charge-row, .payment-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: 0.9rem; }
.charge-row:last-child, .payment-row:last-child { border-bottom: none; }

.badge { font-size: 0.72rem; padding: 2px 8px; border-radius: 999px; font-weight: 600; }
.badge-unpaid { background: rgba(178,58,58,0.12); color: var(--danger); }
.badge-partial { background: rgba(184,137,43,0.14); color: var(--warn); }
.badge-paid { background: rgba(46,125,79,0.12); color: var(--ok); }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--navy); color: #fff;
  padding: 12px 18px; border-radius: 8px; font-size: 0.88rem; box-shadow: 0 8px 24px -12px rgba(22,33,58,0.4); z-index: 60;
  max-width: 90vw; text-align: center;
}

#paypal-button-container { min-height: 45px; }

.manual-pay-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 24px;
}
.manual-pay-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px;
  text-align: center; display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.manual-pay-card img, .manual-pay-card .qr { width: 100%; max-width: 96px; height: auto; border-radius: 4px; margin: 0 auto; }
.manual-pay-card .qr svg { width: 100%; height: auto; display: block; }
.manual-pay-card .qr-empty { aspect-ratio: 1; display: flex; align-items: center; justify-content: center; font-size: 0.68rem; color: var(--ink-soft); border: 1px dashed var(--line); text-align: center; }
.manual-pay-label { font-size: 0.78rem; font-weight: 700; color: var(--ink); margin-top: 4px; }
.manual-pay-handle { font-size: 0.74rem; color: var(--ink-soft); word-break: break-all; }