:root {
  --coral: #ff6b5e;
  --coral-dark: #e8554a;
  --ink: #2b2b2b;
  --muted: #777;
  --bg: #faf7f5;
  --card: #ffffff;
  --line: #eee4e0;
  --ok: #1f9d55;
  --bad: #c0392b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  max-width: 480px;
  margin-inline: auto;
  min-height: 100dvh;
  padding-bottom: 84px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}

.logo { font-weight: 800; font-size: 1.15rem; }
.logo span { color: var(--coral); }

.reset {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: .78rem;
  color: var(--muted);
  cursor: pointer;
}

.screen { padding: 4px 18px 24px; }
.hidden { display: none !important; }

h1 { font-size: 1.45rem; line-height: 1.3; }
h2 { font-size: 1.3rem; margin: 8px 0 4px; }
h3 { font-size: 1rem; margin: 22px 0 4px; }
.hint { color: var(--muted); font-size: .85rem; margin: 4px 0 12px; }

.hero { text-align: center; padding-top: 8vh; }
.hero-emoji { font-size: 4rem; }
.hero p { color: var(--muted); }

form label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  margin: 12px 0;
}

input, select {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 12px;
  font-size: 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
  color: var(--ink);
}

.row { display: flex; gap: 12px; }
.row label { flex: 1; }

.btn {
  display: inline-block;
  border: none;
  border-radius: 14px;
  padding: 13px 18px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
}

.btn.big { width: 100%; margin-top: 18px; }
.btn.primary { background: var(--coral); color: #fff; }
.btn.primary:active { background: var(--coral-dark); }
.btn.primary:disabled { background: #d9cfcb; cursor: default; }
.btn.secondary {
  background: var(--card);
  color: var(--coral);
  border: 2px solid var(--coral);
  margin-bottom: 10px;
  width: 100%;
}

/* Quiz */
.quiz-q { margin: 16px 0; }
.quiz-q p { font-weight: 600; font-size: .9rem; margin: 0 0 8px; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  border: 1.5px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 9px 14px;
  font-size: .85rem;
  cursor: pointer;
}
.pill.selected {
  border-color: var(--coral);
  background: #fff0ee;
  color: var(--coral-dark);
  font-weight: 700;
}

/* Matches */
.match-card {
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  margin: 12px 0;
  display: flex;
  gap: 12px;
  cursor: pointer;
}
.match-card.selected { border-color: var(--coral); background: #fff7f6; }
.match-avatar { font-size: 2rem; }
.match-info { flex: 1; min-width: 0; }
.match-info h4 { margin: 0; font-size: 1rem; }
.match-meta { color: var(--muted); font-size: .8rem; margin: 2px 0 6px; }
.match-bio { font-size: .82rem; margin: 6px 0 0; color: var(--ink); }
.score-badge {
  font-weight: 800;
  color: var(--coral-dark);
  font-size: .95rem;
  white-space: nowrap;
}
.score-bar { height: 6px; background: var(--line); border-radius: 4px; overflow: hidden; margin-top: 6px; }
.score-bar i { display: block; height: 100%; background: var(--coral); }

.sticky-cta {
  position: fixed;
  bottom: 76px;
  left: 50%;
  transform: translateX(-50%);
  width: min(480px, 100%);
  padding: 0 18px;
  z-index: 9;
}

/* Acuerdo */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.chip {
  background: #fff0ee;
  color: var(--coral-dark);
  border-radius: 999px;
  padding: 7px 13px;
  font-size: .85rem;
  font-weight: 700;
}

.check-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  margin: 8px 0;
  cursor: pointer;
  font-size: .88rem;
}
.check-item input { width: auto; margin: 2px 0 0; accent-color: var(--coral); }
.check-item.selected { border-color: var(--coral); }
.check-item small { display: block; color: var(--muted); margin-top: 2px; }

.success-box { text-align: center; padding: 24px 0; }
.success-emoji { font-size: 3.2rem; }

/* Billetera */
.balances { display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0; }
.balance-card {
  flex: 1 1 calc(50% - 10px);
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: 14px;
  padding: 12px;
}
.balance-card .who { font-size: .82rem; font-weight: 700; }
.balance-card .amount { font-size: 1.15rem; font-weight: 800; margin-top: 2px; }
.balance-card .detail { font-size: .72rem; color: var(--muted); margin-top: 2px; }
.pos { color: var(--ok); }
.neg { color: var(--bad); }

.expense-item {
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  margin: 8px 0;
  font-size: .88rem;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.expense-item .left b { display: block; }
.expense-item .left span { color: var(--muted); font-size: .78rem; }
.expense-item .right { text-align: right; font-weight: 800; white-space: nowrap; }
.expense-item .right a { display: block; font-weight: 400; font-size: .76rem; color: var(--coral-dark); }

.file-label input { border: 1.5px dashed var(--line); padding: 10px; font-size: .82rem; }

.empty { color: var(--muted); font-size: .85rem; text-align: center; padding: 16px 0; }

/* Tab bar */
.tabbar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(480px, 100%);
  display: flex;
  background: var(--card);
  border-top: 1px solid var(--line);
  padding: 6px 0 calc(6px + env(safe-area-inset-bottom));
  z-index: 10;
}
.tabbar button {
  flex: 1;
  border: none;
  background: none;
  font-size: 1.25rem;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.tabbar button span { font-size: .68rem; font-weight: 600; }
.tabbar button.active { color: var(--coral-dark); }
.tabbar button:disabled { opacity: .35; cursor: default; }