:root {
  --biscuit: #FFF3DC;      /* page background */
  --paper: #FFFFFF;
  --kibble: #F2A93B;       /* golden accent */
  --kibble-dark: #D88A17;
  --choco: #3A2618;        /* text */
  --choco-soft: #7A6152;
  --tennis: #C8E63C;       /* good boy green */
  --tennis-dark: #7FA30F;
  --bad: #E0573B;
  --sky: #79C7F2;
  --line: #EBDCC0;
  --radius: 18px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--biscuit); color: var(--choco);
  font-family: "Nunito", system-ui, sans-serif; font-size: 16px; line-height: 1.45;
  padding-bottom: 84px;
}
h1, h2, h3, .brand, .big { font-family: "Fredoka", "Nunito", sans-serif; letter-spacing: .01em; }
h1 { font-size: 1.7rem; margin: .2rem 0 .8rem; }
h2 { font-size: 1.2rem; margin: 1.4rem 0 .6rem; }
a { color: var(--kibble-dark); }
.wrap { max-width: 560px; margin: 0 auto; padding: 14px 14px 20px; }

.top { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; background: var(--paper); border-bottom: 2px dashed var(--line); position: sticky; top: 0; z-index: 5; }
.brand { text-decoration: none; color: var(--choco); font-weight: 700; font-size: 1.15rem; }
.brand .paw { display: inline-block; transform: rotate(-20deg); }
.top .me { text-decoration: none; color: var(--choco-soft); font-weight: 800; font-size: .9rem; }

/* bottom tabs */
.tabs { position: fixed; bottom: 0; left: 0; right: 0; background: var(--paper); border-top: 2px dashed var(--line); display: flex; justify-content: space-around; padding: 6px 4px calc(6px + env(safe-area-inset-bottom)); z-index: 5; }
.tabs a { flex: 1; text-align: center; text-decoration: none; color: var(--choco-soft); font-size: .72rem; font-weight: 800; display: flex; flex-direction: column; align-items: center; gap: 2px; }
.tabs a span { font-size: 1.35rem; }
.tabs a.on { color: var(--kibble-dark); }
.tabs .checkin-tab span { background: var(--kibble); border-radius: 50%; width: 46px; height: 46px; display: grid; place-items: center; margin-top: -22px; box-shadow: 0 4px 0 var(--kibble-dark); }

/* cards & buttons */
.card { background: var(--paper); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; border: 1px solid var(--line); }
.btn { display: inline-block; background: var(--kibble); color: var(--choco); font-weight: 800; font-family: "Fredoka", sans-serif; border: 0; border-radius: 999px; padding: 12px 22px; font-size: 1rem; text-decoration: none; cursor: pointer; box-shadow: 0 4px 0 var(--kibble-dark); transition: transform .08s; }
.btn:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--kibble-dark); }
.btn.wide { width: 100%; text-align: center; }
.btn.ghost { background: transparent; box-shadow: none; border: 2px solid var(--line); padding: 8px 14px; font-size: .9rem; }
.btn.bad { background: var(--bad); color: #fff; box-shadow: 0 4px 0 #9C3320; }
.btn.small { padding: 6px 12px; font-size: .85rem; box-shadow: 0 2px 0 var(--kibble-dark); }

/* forms */
label { display: block; font-weight: 800; font-size: .9rem; margin: 12px 0 4px; color: var(--choco-soft); }
input[type=text], input[type=email], input[type=number], textarea, select {
  width: 100%; padding: 12px 14px; border: 2px solid var(--line); border-radius: 14px; font: inherit; background: #fff; color: var(--choco);
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--kibble); }
input[type=file] { margin: 6px 0; }
.errorlist { list-style: none; padding: 0; margin: 4px 0; color: var(--bad); font-size: .9rem; font-weight: 800; }
.code-input { font-family: "Fredoka", monospace; font-size: 2rem; letter-spacing: .4em; text-align: center; text-transform: uppercase; }
.help { color: var(--choco-soft); font-size: .9rem; }

.flash { padding: 12px 14px; border-radius: 14px; margin-bottom: 12px; font-weight: 800; background: #fff; border: 2px solid var(--line); }
.flash.success { background: var(--tennis); border-color: var(--tennis-dark); }
.flash.warning, .flash.error { background: #FFE1DA; border-color: var(--bad); }
.flash.info { background: #E6F4FD; border-color: var(--sky); }

/* streak banner */
.streak-banner { background: linear-gradient(135deg, #FFD9A0, #FFC46B); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 14px; display: flex; gap: 12px; align-items: center; }
.streak-banner.risk { background: linear-gradient(135deg, #FFE1DA, #FFB8A6); }
.streak-banner .big { font-size: 2.2rem; line-height: 1; }
.streak-banner strong { display: block; }
.pack-bar { font-size: .85rem; color: var(--choco-soft); margin-bottom: 12px; font-weight: 800; }

/* check-in cards (polaroid) */
.ci { background: var(--paper); border-radius: 10px; padding: 10px 10px 14px; margin-bottom: 18px; box-shadow: 0 6px 18px rgba(58,38,24,.08); border: 1px solid var(--line); position: relative; transform: rotate(-.4deg); }
.ci:nth-child(even) { transform: rotate(.5deg); }
.ci img { width: 100%; border-radius: 6px; display: block; aspect-ratio: 4/5; object-fit: cover; background: var(--biscuit); }
.ci .who { display: flex; justify-content: space-between; align-items: baseline; margin: 10px 2px 4px; }
.ci .who a { text-decoration: none; color: var(--choco); font-weight: 800; }
.ci .when { color: var(--choco-soft); font-size: .8rem; }
.ci .text { margin: 0 2px; font-size: 1.02rem; }
.ci .meta { margin: 6px 2px 0; color: var(--choco-soft); font-size: .85rem; font-weight: 800; }
.stamp { position: absolute; top: 16px; right: 12px; background: var(--tennis); color: var(--choco); font-family: "Fredoka", sans-serif; font-weight: 700; padding: 6px 10px; border-radius: 8px; transform: rotate(8deg); border: 2px solid var(--tennis-dark); font-size: .9rem; }
.stamp.bad { background: var(--bad); color: #fff; border-color: #9C3320; }
.ci.revoked img { filter: grayscale(1) opacity(.6); }
.ci .revoke { margin-top: 10px; display: flex; gap: 6px; }
.ci .revoke input { flex: 1; padding: 8px 10px; }

/* leaderboard */
.lb { list-style: none; padding: 0; margin: 0; }
.lb li { display: grid; grid-template-columns: 34px 1fr auto; gap: 10px; align-items: center; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 10px 12px; margin-bottom: 8px; }
.lb .rank { font-family: "Fredoka", sans-serif; font-size: 1.3rem; text-align: center; }
.lb li:first-child { background: #FFF1CC; border-color: var(--kibble); }
.lb .name { text-decoration: none; color: var(--choco); font-weight: 800; }
.lb .sub { display: block; font-size: .8rem; color: var(--choco-soft); font-weight: 600; }
.lb .pts { font-family: "Fredoka", sans-serif; font-size: 1.3rem; text-align: right; }
.lb .pts small { display: block; font-size: .7rem; color: var(--choco-soft); font-family: "Nunito"; }
.fire { color: var(--bad); }
.dim { opacity: .55; }

/* profile */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 14px; }
.stats div { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 10px 6px; text-align: center; }
.stats b { display: block; font-family: "Fredoka", sans-serif; font-size: 1.4rem; }
.stats span { font-size: .7rem; color: var(--choco-soft); font-weight: 800; text-transform: uppercase; }
.heat { display: grid; grid-auto-flow: column; grid-template-rows: repeat(7, 1fr); gap: 4px; }
.heat i { display: block; width: 100%; aspect-ratio: 1; border-radius: 4px; background: #EFE3CB; }
.heat i.hit { background: var(--tennis-dark); }
.heat i.future { background: transparent; border: 1px dashed var(--line); }
.ledger { list-style: none; padding: 0; margin: 0; }
.ledger li { display: flex; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: .92rem; }
.ledger .d { font-family: "Fredoka", sans-serif; min-width: 40px; text-align: right; }
.ledger .d.plus { color: var(--tennis-dark); } .ledger .d.minus { color: var(--bad); }

/* admin */
.inv { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: .95rem; }
.inv code { font-family: "Fredoka", monospace; font-size: 1.15rem; letter-spacing: .1em; }
.member { padding: 10px 0; border-bottom: 1px dashed var(--line); }
.member .row { display: flex; justify-content: space-between; align-items: center; }
.member form.adj { display: flex; gap: 6px; margin-top: 8px; }
.member form.adj input { padding: 8px 10px; }
.member form.adj input[type=number] { width: 78px; }
.inline { display: inline; }
.tiny { font-size: .78rem; color: var(--choco-soft); }
.empty { text-align: center; padding: 40px 10px; color: var(--choco-soft); }
.empty .big { font-size: 3rem; }

@media (prefers-reduced-motion: reduce) { .btn { transition: none; } }