:root {
  --page: #f5f5f7;
  --card: #ffffff;
  --ink: #1d1d1f;
  --secondary: #6e6e73;
  --tertiary: #86868b;
  --hairline: #d2d2d7;
  --fill: #e8e8ed;
  --blue: #0071e3;
  --blue-hover: #0077ed;
  --link: #0066cc;
  --focus-ring: rgba(0, 113, 227, 0.32);
  --nav-bg: rgba(255, 255, 255, 0.72);
  --good: #248a3d;
  --good-bg: #e3f5e8;
  --wait: #b25000;
  --wait-bg: #fff1e0;
  --danger: #e30000;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --seg-shadow: 0 3px 8px rgba(0, 0, 0, 0.12), 0 3px 1px rgba(0, 0, 0, 0.04);

  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #000000;
    --card: #1c1c1e;
    --ink: #f5f5f7;
    --secondary: #a1a1a6;
    --tertiary: #86868b;
    --hairline: #38383a;
    --fill: #2c2c2e;
    --blue: #0071e3;
    --blue-hover: #0a84ff;
    --link: #2997ff;
    --focus-ring: rgba(41, 151, 255, 0.45);
    --nav-bg: rgba(22, 22, 23, 0.72);
    --good: #30d158;
    --good-bg: rgba(48, 209, 88, 0.16);
    --wait: #ff9f0a;
    --wait-bg: rgba(255, 159, 10, 0.16);
    --danger: #ff453a;
    --shadow: none;
    --seg-shadow: 0 3px 8px rgba(0, 0, 0, 0.4);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 17px/1.47 var(--sans);
  letter-spacing: -0.022em;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p { margin: 0; }
h1, h2 { text-wrap: balance; font-family: var(--display); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible { outline: none; box-shadow: 0 0 0 4px var(--focus-ring); }

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; letter-spacing: 0; }
.secondary { color: var(--secondary); }
.num { font-variant-numeric: tabular-nums; }

/* ---------- nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid color-mix(in srgb, var(--hairline) 60%, transparent);
}

.nav-inner {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 22px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-title { font-size: 21px; font-weight: 600; letter-spacing: 0.011em; color: var(--ink); }
.nav-title:hover { text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 20px; font-size: 12px; letter-spacing: -0.01em; }
.nav-links a:not(.btn) { color: var(--ink); opacity: 0.8; }

/* ---------- layout ---------- */

.wrap {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 22px 80px;
}

.hero {
  text-align: center;
  padding: 88px 0 56px;
  display: grid;
  justify-items: center;
  gap: 14px;
}

.eyebrow {
  font-size: 17px;
  font-weight: 600;
  color: var(--secondary);
  letter-spacing: -0.02em;
}

.hero h1 {
  font-size: clamp(40px, 8vw, 80px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.015em;
  max-width: 16ch;
}

.hero .subhead {
  font-size: clamp(19px, 2.6vw, 24px);
  line-height: 1.33;
  color: var(--secondary);
  font-weight: 500;
  max-width: 34ch;
  letter-spacing: 0.009em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 16px 28px;
  margin-top: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0;
}

/* ---------- progress ---------- */

.progress-card {
  background: var(--card);
  border-radius: 28px;
  padding: clamp(28px, 5vw, 48px);
  display: grid;
  gap: 28px;
  box-shadow: var(--shadow);
}

.progress-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: end;
  gap: 16px 32px;
}

.raised {
  font-family: var(--display);
  font-size: clamp(48px, 9vw, 80px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.raised-label { font-size: 19px; color: var(--secondary); margin-top: 8px; }

.stats-inline { display: flex; gap: 40px; flex-wrap: wrap; }
.stats-inline div { display: grid; gap: 2px; }
.stats-inline strong { font-size: 28px; font-weight: 600; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stats-inline span { font-size: 14px; color: var(--secondary); }

.bar {
  position: relative;
  height: 12px;
  border-radius: 999px;
  background: var(--fill);
  overflow: hidden;
}

.bar-pending,
.bar-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  border-radius: 999px;
  transition: width 1s cubic-bezier(0.25, 0.1, 0.25, 1);
}
.bar-pending { background: color-mix(in srgb, var(--blue) 28%, transparent); }
.bar-fill { background: var(--blue); }

.bar-legend { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 14px; color: var(--secondary); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }
.dot.fill { background: var(--blue); }
.dot.pending { background: color-mix(in srgb, var(--blue) 35%, transparent); }

/* ---------- donate + supporters ---------- */

.columns {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 24px;
  align-items: start;
  margin-top: 24px;
}

@media (max-width: 820px) {
  .columns { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 40px; }
}

.card {
  background: var(--card);
  border-radius: 28px;
  padding: clamp(24px, 4vw, 40px);
  display: grid;
  gap: 24px;
  box-shadow: var(--shadow);
  scroll-margin-top: 72px;
}

.card-head { display: grid; gap: 6px; }
.card-head h2 { font-size: 28px; font-weight: 600; line-height: 1.14; letter-spacing: 0.007em; }
.card-head p { color: var(--secondary); }

/* ---------- forms ---------- */

form { display: grid; gap: 20px; }

.field { display: grid; gap: 8px; }
.field label, .label { font-size: 14px; font-weight: 600; color: var(--ink); letter-spacing: -0.016em; }
.optional { font-weight: 400; color: var(--tertiary); }

input[type="text"],
input[type="password"],
input[type="number"],
textarea {
  width: 100%;
  font: 17px/1.3 var(--sans);
  letter-spacing: -0.022em;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 14px 16px;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
  appearance: none;
}

input:focus, textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px var(--focus-ring); }
textarea { resize: vertical; min-height: 88px; }

.segmented {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 3px;
  border-radius: 12px;
  background: var(--fill);
  gap: 2px;
}

.segmented button {
  font: 600 16px var(--sans);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  padding: 9px 0;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}

.segmented button[aria-pressed="true"] { background: var(--card); box-shadow: var(--seg-shadow); }

@media (prefers-color-scheme: dark) {
  .segmented button[aria-pressed="true"] { background: #636366; }
}

.custom-amount { position: relative; }
.custom-amount span {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--secondary);
  pointer-events: none;
}
.custom-amount input { padding-left: 32px; font-variant-numeric: tabular-nums; }

.check { display: flex; gap: 12px; align-items: center; font-size: 15px; color: var(--ink); cursor: pointer; }
.check input { width: 20px; height: 20px; margin: 0; accent-color: var(--blue); flex: none; }

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  font: 400 17px/1.18 var(--sans);
  letter-spacing: -0.022em;
  padding: 12px 22px;
  min-height: 44px;
  border-radius: 980px;
  border: 1px solid transparent;
  background: var(--blue);
  color: #fff;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
}
.btn:hover { background: var(--blue-hover); text-decoration: none; }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn-large { font-size: 17px; padding: 16px 28px; min-height: 52px; }
.btn-block { width: 100%; }
.btn-small { font-size: 12px; padding: 4px 12px; min-height: 28px; }
.btn-plain { background: transparent; color: var(--link); border: 0; padding-inline: 0; }
.btn-plain:hover { background: transparent; text-decoration: underline; }
.btn-secondary { background: var(--fill); color: var(--ink); }
.btn-secondary:hover { background: color-mix(in srgb, var(--fill) 80%, var(--ink) 8%); }
.btn-destructive { background: transparent; color: var(--danger); }
.btn-destructive:hover { background: color-mix(in srgb, var(--danger) 10%, transparent); }

.link-chevron::after { content: " ›"; }

.error { color: var(--danger); font-size: 14px; }

.notice {
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--wait-bg);
  color: var(--ink);
  font-size: 15px;
}

/* ---------- pay step ---------- */

.check-badge {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--good);
  color: #fff;
  display: grid;
  place-items: center;
}
.check-badge svg { width: 28px; height: 28px; }

.ref-box {
  display: grid;
  gap: 6px;
  justify-items: center;
  padding: 24px 16px;
  border-radius: 18px;
  background: var(--page);
}
.ref-box .label { font-weight: 400; color: var(--secondary); }
.ref-code {
  font: 600 40px/1 var(--mono);
  letter-spacing: 0.16em;
  padding-left: 0.16em;
}

.steps { margin: 0; padding: 0; list-style: none; display: grid; gap: 14px; counter-reset: step; }
.steps li { display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: start; font-size: 15px; color: var(--secondary); }
.steps li::before {
  counter-increment: step;
  content: counter(step);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--fill);
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  display: grid;
  place-items: center;
  letter-spacing: 0;
}

.fineprint { font-size: 14px; color: var(--secondary); text-align: center; }

/* ---------- grouped list ---------- */

.grouped { list-style: none; margin: 0; padding: 0; }

.grouped li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  gap: 2px 14px;
  align-items: center;
  padding: 12px 0;
  position: relative;
}
.grouped li + li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 54px;
  right: 0;
  border-top: 1px solid var(--hairline);
}

.avatar {
  grid-row: span 2;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0;
  color: #fff;
  background: linear-gradient(180deg, #a5abb8, #858994);
  align-self: start;
}
.grouped .who { font-weight: 600; font-size: 17px; overflow-wrap: anywhere; }
.grouped .amount { font-variant-numeric: tabular-nums; color: var(--secondary); }
.grouped .note { grid-column: 2 / -1; font-size: 15px; color: var(--secondary); overflow-wrap: anywhere; }

.empty { color: var(--secondary); text-align: center; padding: 24px 0; }

/* ---------- footer ---------- */

.footer {
  max-width: 1024px;
  margin: 0 auto;
  padding: 20px 22px 40px;
  font-size: 12px;
  line-height: 1.33;
  letter-spacing: -0.01em;
  color: var(--secondary);
}
.footer-inner { border-top: 1px solid var(--hairline); padding-top: 20px; display: grid; gap: 8px; }

/* ---------- admin ---------- */

.admin-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  padding: 48px 0 28px;
}
.admin-top h1 { font-size: clamp(34px, 5vw, 48px); font-weight: 700; line-height: 1.08; letter-spacing: -0.003em; }

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
.tile { background: var(--card); border-radius: 18px; padding: 20px 22px; display: grid; gap: 4px; box-shadow: var(--shadow); }
.tile span { font-size: 14px; color: var(--secondary); }
.tile strong { font-size: 32px; font-weight: 600; line-height: 1.1; font-variant-numeric: tabular-nums; }

.admin-card { margin-top: 24px; }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.toolbar p { font-size: 15px; color: var(--secondary); max-width: 46ch; }

.segmented.filters { grid-template-columns: repeat(3, auto); display: inline-grid; }
.segmented.filters button { font-size: 14px; padding: 6px 16px; font-weight: 500; }

.table-scroll { overflow-x: auto; margin: 0 -8px; padding: 0 8px; }

table { width: 100%; border-collapse: collapse; font-size: 15px; }
th {
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--secondary);
  padding: 0 12px 10px;
  border-bottom: 1px solid var(--hairline);
  white-space: nowrap;
  letter-spacing: -0.01em;
}
td { padding: 14px 12px; border-bottom: 1px solid var(--hairline); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
td.right, th.right { text-align: right; }
td.amount-cell { font-variant-numeric: tabular-nums; font-weight: 600; white-space: nowrap; }
td .sub { display: block; color: var(--secondary); font-size: 13px; overflow-wrap: anywhere; max-width: 40ch; }
td.actions { white-space: nowrap; }
td.actions .btn + .btn { margin-left: 4px; }
td.when { color: var(--secondary); white-space: nowrap; font-size: 14px; }

.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
  letter-spacing: -0.01em;
}
.badge.pending { background: var(--wait-bg); color: var(--wait); }
.badge.confirmed { background: var(--good-bg); color: var(--good); }

.login-wrap { min-height: calc(100vh - 52px); display: grid; place-items: center; padding: 40px 0; }
.login { width: 100%; max-width: 420px; text-align: center; }
.login form { text-align: left; }

@media (prefers-reduced-motion: reduce) {
  .bar-fill, .bar-pending, .btn, .segmented button { transition: none; }
}

.stack { display: grid; gap: 24px; }