:root {
  --paper: #f3eee4;
  --paper-2: #e8e0d2;
  --ink: #241c16;
  --muted: #6f6458;
  --line: #d7cbb8;
  --paid: #2f6f4e;
  --due: #b5522a;
  --gold: #b0894f;
  --shadow: 0 18px 40px rgba(36, 28, 22, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(176, 137, 79, 0.12), transparent 28%),
    linear-gradient(180deg, #f7f1e6 0%, var(--paper) 40%);
  color: var(--ink);
  font-family: "Outfit", "Segoe UI", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 27px,
    rgba(36, 28, 22, 0.03) 28px
  );
  mask-image: linear-gradient(180deg, rgba(0,0,0,.35), transparent 90%);
}

#app {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 28px;
}

.brand h1 {
  font-family: "Fraunces", Georgia, serif;
  font-size: 42px;
  line-height: 0.9;
  margin: 0 0 6px;
  letter-spacing: -0.03em;
}

.brand p, .muted { color: var(--muted); }

nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

nav a, button, .btn {
  font: inherit;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  padding: 8px 12px;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
}

nav a.active, button.primary, .btn.primary {
  background: var(--ink);
  color: var(--paper);
}

button.ghost, .btn.ghost { border-color: var(--line); }
button.danger { border-color: var(--due); color: var(--due); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.card, .panel {
  background: rgba(255, 251, 244, 0.86);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 18px;
}

.card {
  padding: 18px;
  cursor: pointer;
  transition: transform 120ms ease;
}

.card:hover { transform: translateY(-2px); }

.kicker {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.card h2, .panel h2, h3 {
  font-family: "Fraunces", Georgia, serif;
  margin: 0 0 8px;
}

.progress {
  height: 8px;
  background: var(--paper-2);
  border-radius: 99px;
  overflow: hidden;
  margin: 14px 0 10px;
}

.progress > span {
  display: block;
  height: 100%;
  background: var(--paid);
}

.row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.people {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}

.chip {
  font-size: 13px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
}

.chip.paid { background: #e5f0e8; border-color: #b7d1c0; color: var(--paid); }
.chip.due { background: #f8e8e0; border-color: #e3c0b0; color: var(--due); }
.chip.owner { background: #f3e9d6; border-color: #dcc79f; color: #7a5a24; }
label.checkbox { display: flex; align-items: center; gap: 8px; color: var(--ink); }
label.checkbox input { width: auto; }

.panel { padding: 22px; margin-bottom: 16px; }

form, .stack { display: grid; gap: 10px; }

label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }

input, textarea, select {
  font: inherit;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fffdf8;
  color: var(--ink);
}

textarea { min-height: 140px; resize: vertical; }

.actions { display: flex; gap: 8px; flex-wrap: wrap; }

.login {
  max-width: 420px;
  margin: 12vh auto 0;
}

.notice {
  padding: 12px 14px;
  border-radius: 12px;
  background: #f8e8e0;
  color: var(--due);
}

.ok {
  background: #e5f0e8;
  color: var(--paid);
}

.flash {
  position: sticky;
  top: 12px;
  z-index: 5;
  box-shadow: var(--shadow);
}

.form-error { margin: 0; }

.member, .pay {
  display: grid;
  gap: 8px;
  padding: 12px 0;
  border-top: 1px dashed var(--line);
}

code, .mono {
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-size: 12px;
  background: var(--paper-2);
  padding: 2px 6px;
  border-radius: 6px;
}

ol.setup { padding-left: 18px; color: var(--muted); }
ol.setup li { margin: 8px 0; }

details > summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 14px;
  margin: 4px 0;
}

details[open] > summary { margin-bottom: 10px; }
details form + form { margin-top: 14px; }

.row > label { flex: 1; }

@media (max-width: 720px) {
  .top { flex-direction: column; align-items: flex-start; }
  .brand h1 { font-size: 34px; }
}