:root {
  --bg: #f3f6fd;
  --card: #fff;
  --text: #1e2533;
  --muted: #6b7385;
  --accent: #2563eb;
  --accent2: #60a5fa;
  --soft: #e8f0fe;
  --pos: #16a34a;
  --neg: #e11d48;
  --line: #e6eaf3;
  --shadow: 0 2px 10px rgba(30, 50, 100, .08);
  --radius: 18px;
  --on-accent: #fff;
}
:root[data-theme="pink"] {
  --bg: #fdf3f8;
  --accent: #db2777;
  --accent2: #f9a8d4;
  --soft: #fde7f1;
  --line: #f4e4ec;
  --shadow: 0 2px 10px rgba(150, 40, 90, .08);
}
:root[data-theme="green"] {
  --bg: #f1faf4;
  --accent: #15803d;
  --accent2: #4ade80;
  --soft: #e0f5e7;
  --line: #dcebe1;
  --shadow: 0 2px 10px rgba(20, 100, 50, .08);
}
:root[data-theme="yellow"] {
  --bg: #fffbeb;
  --accent: #a16207;
  --accent2: #eab308;
  --soft: #fef3c7;
  --line: #f1e8c8;
  --shadow: 0 2px 10px rgba(150, 110, 10, .1);
}
:root[data-scheme="dark"] {
  --bg: #11141d; --card: #1b1f2c; --text: #eceef5; --muted: #9aa0b4;
  --accent: #60a5fa; --accent2: #2563eb; --soft: #232a40; --line: #2a3045; --shadow: none;
}
:root[data-scheme="dark"][data-theme="pink"] {
  --bg: #1a1218; --card: #261a22; --accent: #f472b6; --accent2: #be185d; --soft: #3a2230; --line: #3a2a34;
}
:root[data-scheme="dark"][data-theme="green"] {
  --bg: #0f1a14; --card: #16241c; --accent: #4ade80; --accent2: #15803d; --soft: #1f3a2a; --line: #264232; --on-accent: #052e16;
}
:root[data-scheme="dark"][data-theme="yellow"] {
  --bg: #1a1710; --card: #26221a; --accent: #facc15; --accent2: #a16207; --soft: #3a3216; --line: #3a3524; --on-accent: #2a1d02;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) calc(130px + env(safe-area-inset-bottom)) env(safe-area-inset-left);
}
header {
  display: flex; justify-content: space-between; align-items: center;
  max-width: 760px; margin: 0 auto; padding: 14px 16px 8px;
}
h1 { margin: 0; font-size: 1.5rem; font-weight: 800; letter-spacing: -.02em; color: var(--accent); }
h2 { font-size: .8rem; margin: 0 0 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
h3 { margin: 18px 0 6px; font-size: .9rem; }
main { max-width: 760px; margin: 0 auto; padding: 0 12px; }
section { background: var(--card); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; box-shadow: var(--shadow); }
.sr { position: absolute; left: -9999px; }
select, input, button { font: inherit; color: inherit; }
select, input {
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 9px 11px;
}
select, input:focus { outline: none; }
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--soft); }
button {
  background: var(--soft); border: 0; border-radius: 12px; padding: 9px 16px; cursor: pointer; font-weight: 600; color: var(--accent);
}
button:active { transform: scale(.96); }
button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2)); color: var(--on-accent);
  padding: 15px; width: 100%; font-size: 1.05rem; border-radius: 14px; box-shadow: 0 4px 14px rgba(0, 0, 0, .18);
}
button.danger { color: var(--neg); background: transparent; border: 1px solid var(--line); margin-top: 22px; }
button:disabled { opacity: .4; }

/* hero balance */
section.balance {
  text-align: center; color: var(--on-accent); padding: 22px 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 8px 22px rgba(0, 0, 0, .15);
}
.balance .label { opacity: .9; font-weight: 600; }
.balance .value { font-size: 3.6rem; font-weight: 800; line-height: 1.1; letter-spacing: -.03em; }
.balance .value small { font-size: 1rem; font-weight: 600; opacity: .85; letter-spacing: 0; }
.balance .neg { color: #ffe4e6; }
:root[data-scheme="dark"] .balance .neg { color: #9f1239; }

/* grid */
.grid-wrap { overflow-x: auto; margin: 0 -6px; padding: 0 6px; }
table { border-collapse: separate; border-spacing: 0; width: 100%; }
th, td { padding: 6px 2px; text-align: center; border-bottom: 1px solid var(--line); }
tr:last-child td { border-bottom: 0; }
th { font-weight: 700; color: var(--muted); font-size: .75rem; text-transform: uppercase; }
th:first-child, td:first-child {
  text-align: left; position: sticky; left: 0; background: var(--card); z-index: 1;
  padding-right: 8px; min-width: 92px; max-width: 120px;
}
.tname { font-weight: 600; overflow-wrap: anywhere; line-height: 1.2; }
.tpts { font-size: .75rem; color: var(--muted); }
th.today { color: var(--accent); }
td.today { background: var(--soft); }
td.today:first-child { background: var(--card); }
.cell { display: flex; flex-direction: column; align-items: center; gap: 3px; min-width: 46px; padding: 4px 0; }
.cell button { width: 44px; height: 38px; padding: 0; font-size: 1.35rem; line-height: 1; border-radius: 12px; }
.cell button:first-child { background: var(--accent); color: var(--on-accent); }
.cell button:last-child { background: transparent; border: 1px solid var(--line); color: var(--muted); }
.cell .n { font-weight: 700; min-height: 1.3em; font-size: .95rem; }
.cell .n.pos { color: var(--pos); }
.cell .n.neg { color: var(--neg); }
.tot { font-weight: 800; min-width: 38px; }
td.neg { color: var(--neg); }
.empty { color: var(--muted); text-align: center; margin: 8px 0; list-style: none; }

/* chart */
#chart svg { width: 100%; height: auto; display: block; }
#chart text { fill: var(--muted); font-size: 9px; }
#chart .bar-pos { fill: var(--accent); }
#chart .bar-neg { fill: var(--neg); }
#chart .axis { stroke: var(--line); stroke-width: 1.5; }
#chart .sep { stroke: var(--muted); stroke-dasharray: 3 3; opacity: .5; }

/* rewards */
.rewards, .edit-list { list-style: none; margin: 0; padding: 0; }
.rewards li { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.rewards li:last-child { border: 0; }
.rewards .name { flex: 1; font-weight: 600; overflow-wrap: anywhere; }
.rewards .cost { color: var(--accent); font-weight: 700; white-space: nowrap; background: var(--soft); border-radius: 20px; padding: 2px 10px; font-size: .85rem; }

/* settings */
summary { cursor: pointer; font-weight: 700; padding: 2px 0; }
.seg { display: flex; gap: 10px; }
.seg button { display: flex; align-items: center; gap: 8px; background: var(--bg); border: 2px solid transparent; color: var(--text); }
.seg button[aria-pressed="true"] { border-color: var(--accent); }
.seg i { width: 18px; height: 18px; border-radius: 50%; display: block; }
.seg [data-th="blue"] i { background: linear-gradient(135deg, #2563eb, #60a5fa); }
.seg [data-th="pink"] i { background: linear-gradient(135deg, #db2777, #f9a8d4); }
.seg [data-th="green"] i { background: linear-gradient(135deg, #15803d, #4ade80); }
.seg [data-th="yellow"] i { background: linear-gradient(135deg, #a16207, #facc15); }
.seg#themes { flex-wrap: wrap; }
.edit-list li { display: flex; gap: 6px; margin-bottom: 8px; }
.edit-list input[type=text] { flex: 1; min-width: 0; }
.edit-list input.cost, .add-form input.cost { width: 72px; }
.edit-list button { padding: 9px 12px; background: transparent; border: 1px solid var(--line); color: var(--muted); }
.add-form { display: flex; gap: 6px; }
.add-form input:not(.cost) { flex: 1; min-width: 0; }

footer {
  position: fixed; left: 0; right: 0; bottom: 0; background: var(--bg);
  border-top: 1px solid var(--line); padding: 8px 16px calc(10px + env(safe-area-inset-bottom));
}
footer .hint { margin: 0 auto 6px; max-width: 760px; font-size: .75rem; color: var(--muted); text-align: center; }
footer button { display: block; max-width: 760px; margin: 0 auto; }

#toast {
  position: fixed; left: 50%; bottom: 140px; transform: translateX(-50%);
  background: #111; color: #fff; padding: 8px 16px; border-radius: 20px;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
#toast.show { opacity: .92; }

.tpts b { color: var(--text); }
.tpts b.neg { color: var(--neg); }
@media (max-width: 480px) {
  main { padding: 0 8px; }
  section { padding: 14px 10px; }
  .grid-wrap { margin: 0; padding: 0; overflow-x: visible; }
  th:first-child, td:first-child { min-width: 70px; max-width: 74px; padding-right: 4px; }
  .tname { font-size: .85rem; hyphens: manual; overflow-wrap: break-word; }
  .tpts { font-size: .68rem; }
  .cell { min-width: 0; width: 100%; }
  .cell button { width: 100%; max-width: 40px; height: 38px; }
  th { font-size: .65rem; }
}
footer { z-index: 10; }
@media (max-width: 480px) {
  table { table-layout: fixed; }
  th:first-child, td:first-child { width: 74px; }
}
.dnum { font-size: .95rem; font-weight: 700; color: var(--text); }
th.today .dnum { color: var(--accent); }

#gear { font-size: 1.3rem; padding: 6px 14px; line-height: 1.2; }
#gear.text { font-size: 1rem; }
[hidden] { display: none; }
#view-settings .danger { width: 100%; margin-top: 4px; }

.pitch { margin: 0 0 12px; font-size: 1.05rem; }
.steps { margin: 0 0 16px; padding-left: 0; list-style: none; display: grid; gap: 8px; }
.steps li { background: var(--soft); border-radius: 12px; padding: 10px 12px; }
.privacy { margin: 12px 0 0; font-size: .8rem; color: var(--muted); text-align: center; }

/* landing (first run) */
section.hero {
  position: relative; text-align: center; color: var(--on-accent); border-radius: 24px; padding: 56px 18px 28px;
  background: linear-gradient(135deg, var(--accent), var(--accent2)); box-shadow: 0 10px 28px rgba(0,0,0,.18);
}
.langs { position: absolute; top: 12px; right: 12px; display: flex; gap: 4px; }
.langs button { padding: 4px 10px; font-size: .75rem; background: color-mix(in srgb, var(--on-accent) 22%, transparent); color: var(--on-accent); border-radius: 20px; }
.langs button[aria-pressed="true"] { background: var(--on-accent); color: var(--accent); }
.hero-emoji { font-size: 1.6rem; letter-spacing: .1em; margin-bottom: 14px; }
.hero-title { font-size: 1.9rem; line-height: 1.15; margin: 0 0 12px; font-weight: 800; letter-spacing: -.02em; color: var(--on-accent); text-transform: none; }
.hero-sub { margin: 0 auto 22px; max-width: 34ch; font-size: 1.05rem; opacity: .95; }
.cta, .cta-secondary { display: block; width: 100%; max-width: 360px; margin: 0 auto 10px; padding: 15px; font-size: 1.05rem; border-radius: 14px; }
.cta { background: var(--on-accent); color: var(--accent); box-shadow: 0 6px 16px rgba(0,0,0,.2); }
.cta-secondary { background: transparent; color: var(--on-accent); border: 2px solid color-mix(in srgb, var(--on-accent) 60%, transparent); }
.hero-note { margin: 14px 0 0; font-size: .85rem; opacity: .9; }
#welcome section h2 { text-align: center; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.feature { background: var(--soft); border-radius: 16px; padding: 14px 12px; }
.feature .ico { font-size: 1.8rem; display: block; margin-bottom: 4px; }
.feature h3 { margin: 0 0 4px; font-size: .95rem; }
.feature p { margin: 0; font-size: .82rem; color: var(--muted); }
.final { text-align: center; }
.final-title { color: var(--text); font-size: 1.3rem; text-transform: none; letter-spacing: 0; }
.final .cta { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: var(--on-accent); }
.final .cta-secondary { color: var(--accent); border-color: var(--line); }
@media (min-width: 560px) { .feature-grid { grid-template-columns: repeat(3, 1fr); } }

.credits { max-width: 760px; margin: 8px auto 0; padding: 0 16px; text-align: center; font-size: .78rem; color: var(--muted); }
.credits p { margin: 0 0 4px; }
.credits a { color: var(--accent); text-decoration: none; font-weight: 600; }
.credits a:hover { text-decoration: underline; }

/* printable checklist */
.print-hint { margin: 0 0 10px; color: var(--muted); font-size: .9rem; }
.print-actions { display: flex; gap: 8px; }
.print-actions button { flex: 1; }
#print-sheet { display: none; }
@media print {
  @page { margin: 14mm; }
  body > *:not(#print-sheet) { display: none !important; }
  html, body { background: #fff !important; color: #000 !important; padding: 0 !important; }
  #print-sheet { display: block; font: 14pt/1.3 -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: #000; }
  #print-sheet h1 { margin: 0; font-size: 26pt; }
  #print-sheet h2 { margin: 18pt 0 6pt; font-size: 14pt; }
  #print-sheet .srange { margin: 2pt 0 12pt; font-size: 12pt; }
  #print-sheet table { width: 100%; border-collapse: collapse; }
  #print-sheet th, #print-sheet td { border: 1.5pt solid #000; padding: 8pt 4pt; text-align: center; }
  #print-sheet th { font-size: 11pt; }
  #print-sheet th:first-child, #print-sheet td:first-child { text-align: left; padding-left: 8pt; }
  #print-sheet .sd { font-size: 14pt; }
  #print-sheet .sname { font-size: 14pt; font-weight: 600; }
  #print-sheet .sname span { font-weight: 400; font-size: 10pt; white-space: nowrap; }
  #print-sheet .box { display: inline-block; width: 18pt; height: 18pt; border: 1.5pt solid #000; border-radius: 3pt; }
  #print-sheet .stotal { margin: 16pt 0 0; font-size: 14pt; }
  #print-sheet .line { display: inline-block; width: 70pt; border-bottom: 1.5pt solid #000; }
  #print-sheet ul { margin: 0; padding-left: 18pt; }
}
@media print {
  #print-sheet, #print-sheet * { color: #000 !important; background: #fff !important; box-shadow: none !important; text-shadow: none !important; }
  #print-sheet th, #print-sheet td { position: static !important; min-width: 0; max-width: none; width: auto; text-transform: none; letter-spacing: 0; font-weight: 600; }
  #print-sheet th:first-child, #print-sheet td:first-child { width: 36%; }
  #print-sheet h2 { text-transform: none; letter-spacing: 0; }
  #print-sheet .box { background: #fff !important; }
}
@media print {
  #print-sheet ul { list-style: none; padding-left: 0; }
  #print-sheet li { margin-bottom: 4pt; }
  #print-sheet h1 { text-align: center; }
  #print-sheet .cheer { margin-top: 18pt; text-align: center; font-size: 16pt; }
}
@media print { #print-sheet .srange { text-align: center; } }