:root {
  --ink: #142033;
  --ink-soft: #3a4a63;
  --paper: #eef2f6;
  --panel: #ffffff;
  --steel: #1c3d5a;
  --tide: #0f6e6a;
  --sand: #c4a574;
  --danger: #b42318;
  --ok: #1b7a4a;
  --warn: #b54708;
  --line: rgba(20, 32, 51, 0.12);
  --shadow: 0 18px 50px rgba(20, 32, 51, 0.08);
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(15, 110, 106, 0.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(28, 61, 90, 0.16), transparent 50%),
    linear-gradient(180deg, #e8eef5 0%, var(--paper) 40%, #e6ebe8 100%);
  font-family: "Segoe UI", system-ui, sans-serif;
  line-height: 1.45;
}

a { color: var(--tide); }
code { font-size: 0.92em; }

.top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.brand {
  color: var(--steel);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.4rem;
  font-weight: 600;
  text-decoration: none;
}

.crumb, .muted { color: var(--ink-soft); }
.wrap { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; padding: 1.5rem 0 3rem; }
.narrow { width: min(36rem, 100%); margin: 0 auto; }

h1, h2 {
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: -0.02em;
  color: var(--steel);
  margin: 0 0 0.4rem;
}
h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
h2 { font-size: 1.45rem; }

.hero {
  margin-bottom: 1.5rem;
  padding: 2.4rem 2rem;
  border-radius: 22px;
  color: white;
  background: linear-gradient(135deg, #12324a 0%, #1c3d5a 45%, #0f6e6a 100%);
}
.hero h1, .hero p { color: white; }
.hero p { max-width: 40rem; }
.kicker {
  margin: 0 0 0.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sand);
}
.hero .kicker { color: rgba(255, 255, 255, 0.72); }

.page-head { margin-bottom: 1.2rem; }
.grid-2, .grid-side { display: grid; gap: 1rem; margin-bottom: 1rem; }
.grid-2 { grid-template-columns: 1.2fr 0.8fr; }
.grid-side { grid-template-columns: 1fr 320px; }
.wide { grid-column: 1; }

.panel {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.15rem 1.2rem;
}

.stack { display: grid; gap: 0.7rem; }
.stack.tight { margin-top: 0.8rem; }
.plain { margin: 0; padding-left: 1.1rem; }
.row {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: center;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.75);
  color: inherit;
  text-decoration: none;
}
a.row:hover { border-color: var(--tide); }
.row small, .card .muted { display: block; }
.row.static { color: var(--ink); }
.go { color: var(--tide); white-space: nowrap; }

.card {
  display: grid;
  gap: 0.7rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.8);
}
.card.flat { margin-bottom: 0.6rem; }
.title { margin: 0 0 0.2rem; font-weight: 650; }
.actions, .split, .inline { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: end; }
.inline input { width: 9.5rem; }
.split.end { align-items: end; }
.split .field { flex: 1; min-width: 8rem; }

.field { display: grid; gap: 0.25rem; font-size: 0.92rem; font-weight: 600; }
.field input, .field select, .check {
  font: inherit;
  font-weight: 500;
}
.field input, .field select, .inline input {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
  color: var(--ink);
}
.check { display: flex; gap: 0.45rem; align-items: center; font-weight: 600; }
.label { margin: 0; font-weight: 700; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: var(--tide); color: white; }
.btn-secondary { background: var(--steel); color: white; }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--steel); }
.htmx-request .btn { opacity: 0.65; }

.badge {
  display: inline-block;
  margin-left: 0.25rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: #e7eef5;
  color: var(--steel);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: lowercase;
}
.badge-ok { background: #e5f6ec; color: var(--ok); }
.badge-danger { background: #fdecea; color: var(--danger); }
.badge-warn { background: #fff4e8; color: var(--warn); }

.flash, .ok, .warn {
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
}
.flash-error, .danger { color: var(--danger); }
.flash-error { background: #fdecea; }
.flash-ok, .ok { background: #e5f6ec; color: var(--ok); }
.warn { background: #fff4e8; color: var(--warn); }
.tide { color: var(--tide); font-weight: 700; }
.amount { font-size: 1.8rem; font-weight: 700; margin: 0.2rem 0; }
.back { font-weight: 700; text-decoration: none; }
.cap { text-transform: capitalize; }
.sheet { margin-bottom: 0.6rem; }
.sheet pre {
  white-space: pre-wrap;
  font-family: inherit;
  font-size: 0.92rem;
}
canvas[data-sign-pad] {
  width: 100%;
  height: 140px;
  border: 1px dashed var(--line);
  border-radius: 10px;
  background: white;
  touch-action: none;
  cursor: crosshair;
}

@media (max-width: 860px) {
  .grid-2, .grid-side { grid-template-columns: 1fr; }
  .top { align-items: flex-start; flex-direction: column; }
}