:root {
  --bg: #0f1115;
  --card: #181b22;
  --line: #262b35;
  --text: #e8eaed;
  --muted: #9aa3b2;
  --accent: #4ea1ff;
  --good: #35c08a;
  --warn: #ffb454;
  --bad: #ff6b6b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-text-size-adjust: 100%;
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}
main, .gate { max-width: 720px; margin: 0 auto; padding: 16px; }
.gate { text-align: center; margin-top: 25vh; }

.banner {
  font-size: clamp(1.5rem, 6vw, 2.4rem);
  font-weight: 800;
  text-align: center;
  padding: 22px 16px;
  border-radius: 16px;
  background: linear-gradient(160deg, #1d2530, #141821);
  border: 1px solid var(--line);
  margin-bottom: 6px;
}
.banner.owe { color: var(--warn); }
.banner.settled { color: var(--good); }
.banner.over { color: var(--accent); }
.banner-sub { text-align: center; color: var(--muted); margin: 4px 0 2px; font-size: .92rem; font-variant-numeric: tabular-nums; }
.whoami { text-align: center; color: var(--muted); margin: 0 0 4px; font-size: .85rem; }
.notes-list { list-style: none; padding: 0; margin: 14px 0 0; }
.notes-list li { border-top: 1px solid var(--line); padding: 10px 2px; }
.notes-list li.empty { color: var(--muted); font-style: italic; border: none; padding-left: 0; }
.note-meta { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: .76rem; }
.note-body { white-space: pre-wrap; margin-top: 4px; font-size: .95rem; line-height: 1.4; }
.explain { text-align: center; color: var(--muted); margin: 0 auto 16px; max-width: 460px; font-size: .82rem; line-height: 1.45; padding: 0 12px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 14px;
}
.card h2 { font-size: 1rem; margin: 0 0 12px; color: var(--muted); font-weight: 600; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 6px; font-size: .92rem; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
td.num { font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: none; }

.breakdown td { border-bottom: 1px dashed var(--line); }
.breakdown td:last-child { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.breakdown tr.total td { font-size: 1.05rem; font-weight: 800; border-top: 2px solid var(--line); border-bottom: none; padding-top: 12px; }
.breakdown tr.minus td:first-child::before { content: "− "; color: var(--muted); }
.breakdown tr.sub td:first-child { padding-left: 18px; color: var(--muted); }

.entry { display: grid; gap: 10px; }
.entry label { display: grid; gap: 4px; font-size: .82rem; color: var(--muted); }
.entry input {
  font-size: 1rem; padding: 11px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: #0f131a; color: var(--text);
}
.entry input:focus { outline: 2px solid var(--accent); border-color: transparent; }
button {
  font-size: 1rem; font-weight: 700; padding: 12px 14px; border-radius: 10px;
  border: none; background: var(--accent); color: #06121f; cursor: pointer;
}
button:active { transform: translateY(1px); }
.admin button { background: var(--bad); color: #2a0a0a; }

.rowbtn {
  background: transparent; color: var(--muted); border: 1px solid var(--line);
  font-weight: 700; padding: 4px 9px; border-radius: 8px; font-size: .9rem; margin-left: 4px;
}
td.actions { text-align: right; white-space: nowrap; }
tr.voided td { color: #5b626f; opacity: .5; text-decoration: line-through; }
.subtle { color: var(--muted); font-size: .82rem; margin: 10px 2px 0; }
.empty { color: var(--muted); font-style: italic; }

.totalbar { display: flex; justify-content: space-between; align-items: baseline; padding: 11px 6px 2px; margin-top: 2px; border-top: 2px solid var(--line); font-variant-numeric: tabular-nums; }
.totalbar span:first-child { color: var(--muted); font-weight: 600; font-size: .85rem; text-transform: uppercase; letter-spacing: .03em; }
.totalbar span:last-child { font-weight: 800; }
tr.unpaid td { color: var(--muted); }
.paidbox { width: 18px; height: 18px; accent-color: var(--good); cursor: pointer; vertical-align: middle; }
.notes { width: 100%; box-sizing: border-box; resize: vertical; min-height: 90px; font-size: .95rem; padding: 11px 12px; border-radius: 10px; border: 1px solid var(--line); background: #0f131a; color: var(--text); font-family: inherit; line-height: 1.4; }
.notes:focus { outline: 2px solid var(--accent); border-color: transparent; }
.notes-actions { display: flex; align-items: center; gap: 12px; margin-top: 10px; }
.notes-actions button { width: auto; padding: 9px 16px; }