:root {
  --mist: #e6ecea;
  --paper: #fbfdfc;
  --ink: #0c1f22;
  --slate: #5d7274;
  --deep: #0b4f4a;
  --drop: #17c2a4;
  --line: #c8d7d3;
  --warn: #a8442a;
  --radius: 14px;
  --shell: 34rem;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--mist);
  color: var(--ink);
  font-family: "Instrument Sans", ui-sans-serif, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--deep); text-decoration-thickness: 1px; text-underline-offset: 3px; }

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 1.75rem 1.25rem 4rem;
}

/* ---------------------------------------------------------------- header */

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.75rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: "Bricolage Grotesque", ui-sans-serif, sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.brand img { width: 22px; height: 22px; display: block; }

/* ----------------------------------------------------------------- type */

h1 {
  font-family: "Bricolage Grotesque", ui-sans-serif, sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 8vw, 2.7rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin: 0 0 0.75rem;
  max-width: 15ch;
}

.lede {
  color: var(--slate);
  margin: 0 0 2.25rem;
  max-width: 46ch;
}

h2 {
  font-family: "Bricolage Grotesque", ui-sans-serif, sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

/* ----------------------------------------------------------------- card */

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.35rem;
}

.card + .card { margin-top: 1rem; }

/* ----------------------------------------------------------------- form */

.field { margin-bottom: 1.35rem; }
.field:last-child { margin-bottom: 0; }

label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.45rem;
}

.hint {
  font-size: 0.83rem;
  color: var(--slate);
  margin: 0.4rem 0 0;
}

input[type="text"],
input[type="number"],
select {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  appearance: none;
}

input:focus-visible,
select:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--drop);
  outline-offset: 2px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.chip {
  font: inherit;
  font-size: 0.85rem;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
  cursor: pointer;
  color: var(--slate);
}

.chip:hover { border-color: var(--deep); color: var(--deep); }

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
}

.segmented button {
  font: inherit;
  font-size: 0.9rem;
  text-align: left;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.6rem 0.75rem;
  cursor: pointer;
  color: var(--slate);
}

.segmented button[aria-pressed="true"] {
  border-color: var(--deep);
  color: var(--deep);
  background: #f0f7f5;
}

/* --------------------------------------------------------------- buttons */

.btn {
  font: inherit;
  font-weight: 500;
  border-radius: 10px;
  border: 1px solid transparent;
  padding: 0.7rem 1.1rem;
  cursor: pointer;
}

.btn-primary {
  background: var(--deep);
  color: #fff;
  width: 100%;
  font-size: 1rem;
  padding: 0.85rem 1.1rem;
}

.btn-primary:hover:not(:disabled) { background: #0a3f3b; }
.btn-primary:disabled { background: #9db3b0; cursor: not-allowed; }

.btn-quiet {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
  font-size: 0.9rem;
  padding: 0.5rem 0.85rem;
}

.btn-quiet:hover { border-color: var(--deep); }

/* ----------------------------------------------- the drop strip (signature) */

.strip {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 0.15rem 0 0.6rem;
  min-height: 20px;
}

.strip svg { width: 11px; height: 15px; display: block; }
.strip .full path { fill: var(--drop); }
.strip .empty path { fill: none; stroke: var(--line); stroke-width: 1.4px; }
.strip .taken path { fill: var(--line); }

.strip-note { font-size: 0.83rem; color: var(--slate); }

/* ---------------------------------------------------------------- ledger */

.ledger {
  border-top: 1px solid var(--line);
  margin-top: 1.35rem;
  padding-top: 1rem;
  font-size: 0.92rem;
}

.ledger-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.25rem 0;
  color: var(--slate);
}

.ledger-row strong {
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.ledger-row.lead { font-size: 1.05rem; }
.ledger-row.lead strong { color: var(--deep); }

/* ----------------------------------------------------------------- claim */

.amount {
  font-family: "Bricolage Grotesque", ui-sans-serif, sans-serif;
  font-weight: 700;
  font-size: clamp(2.1rem, 9vw, 3rem);
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 0 0 0.35rem;
  color: var(--deep);
  font-variant-numeric: tabular-nums;
}

.amount span { font-size: 0.42em; letter-spacing: 0; margin-left: 0.25rem; color: var(--slate); }

.meta {
  font-size: 0.88rem;
  color: var(--slate);
  margin: 0 0 1.4rem;
}

.mono {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.86rem;
  word-break: break-all;
}

.linkbox {
  background: #f0f7f5;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
  margin-bottom: 0.75rem;
}

.row { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ---------------------------------------------------------------- status */

.status {
  font-size: 0.9rem;
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  margin-top: 1rem;
}

.status[data-tone="working"] { background: #f0f7f5; color: var(--deep); }
.status[data-tone="bad"] { background: #fbeee9; color: var(--warn); }
.status[data-tone="good"] { background: #eaf7f2; color: var(--deep); }
.status[hidden] { display: none; }

.foot {
  margin-top: 2rem;
  font-size: 0.83rem;
  color: var(--slate);
}

.foot p { margin: 0.35rem 0; }

@media (prefers-reduced-motion: no-preference) {
  .strip .full { animation: settle 0.35s ease-out backwards; }
  @keyframes settle {
    from { transform: translateY(-5px); opacity: 0; }
    to { transform: none; opacity: 1; }
  }
}