:root {
  --bg: #f6fbff;
  --card: #ffffff;
  --ink: #1f2a37;
  --muted: #6b7a8c;
  --blue: #6aa9f0;
  --blue-soft: #eaf4ff;
  --lime: #a8d672;
  --lime-soft: #f1f9e6;
  --warn: #f2b46d;
  --warn-soft: #fff5e8;
  --danger: #e06c75;
  --line: #e3ecf5;
  --radius: 14px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.45 -apple-system, BlinkMacSystemFont, "Sukhumvit Set", "Thonburi", sans-serif; }
a { color: #2f74c0; }

.view { padding: calc(env(safe-area-inset-top) + 12px) 16px calc(env(safe-area-inset-bottom) + 90px); max-width: 560px; margin: 0 auto; }
h1 { font-size: 26px; margin: 8px 0 12px; }
h2 { font-size: 17px; margin: 0 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.big { font-size: 30px; font-weight: 700; letter-spacing: -0.5px; }

.hero { background: linear-gradient(135deg, var(--blue-soft), var(--lime-soft)); border-radius: var(--radius); padding: 18px; margin-bottom: 12px; }
.card { display: block; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; color: inherit; text-decoration: none; }
.card.link { cursor: pointer; }
.card.warn { background: var(--warn-soft); border-color: #f6dcb8; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid2 .card { margin: 0; }

.row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 6px 0; border-bottom: 1px solid var(--line); }
.row:last-child { border-bottom: 0; }
.alert { background: var(--warn-soft); border: 1px solid #f6dcb8; border-radius: 10px; padding: 10px 12px; margin: 8px 0; font-size: 15px; }
.ok { background: var(--lime-soft); border-radius: 10px; padding: 10px 12px; margin: 8px 0; }

label { display: block; font-size: 15px; color: var(--muted); margin: 10px 0; }
label.check { display: flex; gap: 8px; align-items: center; color: var(--ink); }
input, select { display: block; width: 100%; margin-top: 4px; padding: 12px; font-size: 18px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); }
input[type=checkbox] { width: 24px; height: 24px; margin: 0; flex: none; accent-color: var(--blue); }
fieldset { border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; margin: 10px 0; }
legend { font-size: 15px; color: var(--muted); padding: 0 4px; }

button { display: block; width: 100%; padding: 13px; margin-top: 10px; font-size: 17px; border-radius: 12px; border: 1px solid var(--line); background: #fff; color: var(--ink); }
button.primary, .btn-big { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 600; }
button.danger { color: var(--danger); border-color: #f3c7cb; }
button:disabled { opacity: 0.45; }
.btn-big { display: block; text-align: center; padding: 16px; border-radius: var(--radius); text-decoration: none; margin-bottom: 12px; font-size: 18px; }
.btns { display: flex; gap: 8px; } .btns button { flex: 1; }
.link-btn { display: inline; width: auto; padding: 0 0 0 8px; margin: 0; border: 0; background: none; color: var(--danger); font-size: 15px; }
.row-form { display: flex; gap: 8px; align-items: center; } .row-form input { margin: 0; } .row-form button { width: auto; margin: 0; white-space: nowrap; }
.stack > * { margin-bottom: 8px; }

.seg { display: flex; background: var(--blue-soft); border-radius: 12px; padding: 4px; margin-bottom: 12px; }
.seg button { margin: 0; border: 0; background: transparent; padding: 10px; }
.seg button.on { background: #fff; font-weight: 600; box-shadow: 0 1px 3px rgba(0,0,0,.08); }

table.lines { width: 100%; border-collapse: collapse; }
table.lines td { padding: 8px 0; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.lines td.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; padding-left: 8px; }
table.lines td:last-child:not(.num) { width: 36px; text-align: right; }
table.lines tr.done td { opacity: 0.45; text-decoration: line-through; }
table.lines tr.stay td { color: var(--muted); font-size: 15px; }
tr.k-save td.num { color: #3d7f1d; font-weight: 600; }
button.amt { display: inline; width: auto; margin: 0; padding: 6px 10px; font-size: 17px; font-weight: 600; background: var(--blue-soft); border: 0; border-radius: 8px; font-variant-numeric: tabular-nums; }

.tag { font-size: 13px; font-weight: 500; padding: 2px 8px; border-radius: 99px; background: var(--blue-soft); color: #2f74c0; margin-left: 6px; }
.tag.s-open { background: var(--warn-soft); color: #b06a14; }
.tag.s-paid { background: var(--lime-soft); color: #3d7f1d; }

.bar { height: 10px; background: var(--blue-soft); border-radius: 99px; overflow: hidden; }
.bar > div { height: 100%; background: linear-gradient(90deg, var(--blue), var(--lime)); }
.bar-label { font-size: 14px; color: var(--muted); margin-top: 6px; }

.acc { display: grid; grid-template-columns: 1fr 140px; gap: 8px; align-items: center; padding: 4px 0; }
.acc input { margin: 0; text-align: right; padding: 8px 10px; font-size: 16px; }
.acc .small { grid-column: 2; text-align: right; }
svg.chart { width: 100%; height: auto; }
svg.chart rect { fill: var(--blue); }
svg.chart text { font-size: 10px; fill: var(--muted); }
details summary { cursor: pointer; list-style: none; }
details summary::-webkit-details-marker { display: none; }

.tabs { position: fixed; left: 0; right: 0; bottom: 0; display: flex; background: rgba(255,255,255,.96); border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom); backdrop-filter: blur(8px); }
.tabs a { flex: 1; text-align: center; padding: 12px 0 10px; font-size: 13px; color: var(--muted); text-decoration: none; }
.tabs a.on { color: #2f74c0; font-weight: 700; }

.lock { max-width: 360px; margin: 0 auto; padding: calc(env(safe-area-inset-top) + 60px) 24px 24px; text-align: center; }
.lock .logo { width: 72px; height: 72px; margin: 0 auto 12px; border-radius: 20px; background: linear-gradient(135deg, var(--blue), var(--lime)); color: #fff; font-size: 40px; line-height: 72px; font-weight: 700; }
.lock input { text-align: center; font-size: 26px; letter-spacing: 8px; }
.err { color: var(--danger); min-height: 1.4em; }

.toast { position: fixed; left: 50%; bottom: calc(env(safe-area-inset-bottom) + 80px); transform: translateX(-50%); background: #1f2a37; color: #fff;
  padding: 10px 16px; border-radius: 99px; font-size: 15px; z-index: 10; }

ol.steps { margin: 0; padding-left: 22px; }
ol.steps li { margin: 6px 0; }