:root {
  --green: #166534;
  --green-dark: #14532d;
  --green-soft: #dcfce7;
  --charcoal: #3d3d3d;
  --charcoal-dark: #2c2c2c;
  --bg: #f4f4f3;
  --card: #ffffff;
  --ink: #262626;
  --muted: #6b6b68;
  --line: #e4e4e2;
  --red: #b91c1c;
  --red-soft: #fee2e2;
  --amber: #b45309;
  --amber-soft: #fef3c7;
  --blue: #1d4ed8;
  --blue-soft: #dbeafe;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
}

.wrap { max-width: 780px; margin: 0 auto; padding: 0 14px; }

header {
  background: linear-gradient(135deg, #474747, var(--charcoal-dark));
  color: #fff;
  padding: 12px 0;
}
header .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 18px; }
.brand { color: #fff; text-decoration: none; font-size: 20px; font-weight: 800; margin-right: auto; display: flex; align-items: center; gap: 10px; }
.brand-icon { width: 32px; height: 32px; border-radius: 9px; background: #fff; padding: 3px; }
nav { display: flex; flex-wrap: wrap; gap: 2px 16px; }
nav a { color: rgba(255, 255, 255, 0.94); text-decoration: none; font-weight: 600; padding: 4px 0; }
nav a:hover { text-decoration: underline; }

main { padding: 10px 14px 30px; }

h1 { font-size: 26px; margin: 18px 0 8px; }
h2 { font-size: 19px; margin: 6px 0 10px; }
p { margin: 8px 0; }
a { color: var(--green); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  margin: 14px 0;
  box-shadow: 0 1px 3px rgba(20, 40, 30, 0.05);
}
.card.overdue { border: 2px solid var(--red); }

.muted { color: var(--muted); font-size: 16px; }
.big-amount { font-size: 36px; font-weight: 800; line-height: 1.15; }
.danger-text { color: var(--red); font-weight: 700; }

label { display: block; font-weight: 600; margin: 14px 0 5px; }
input[type="text"], input[type="password"], input[type="tel"], input[type="number"],
select, textarea {
  width: 100%;
  padding: 13px;
  font-size: 18px;
  font-family: inherit;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--green); border-color: var(--green); }
textarea { min-height: 110px; }

.btn {
  display: inline-block;
  background: var(--green);
  color: #fff;
  border: 0;
  border-radius: 12px;
  padding: 14px 22px;
  font-size: 18px;
  font-weight: 700;
  font-family: inherit;
  min-height: 48px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}
.btn:hover { background: var(--green-dark); }
.btn.full { width: 100%; margin-top: 16px; }
.btn.ghost { background: transparent; border: 2px solid var(--green); color: var(--green); }
.btn.ghost:hover { background: var(--green-soft); }
.btn.danger { background: var(--red); }
.btn.small { padding: 8px 14px; min-height: 0; font-size: 15px; border-radius: 9px; }

.flash { padding: 13px 16px; border-radius: 12px; margin: 14px 0; font-weight: 600; }
.flash.ok { background: var(--green-soft); color: var(--green-dark); }
.flash.bad { background: var(--red-soft); color: var(--red); }

.notice {
  border-left: 5px solid var(--green);
  background: #f2f2f0;
  border-radius: 8px;
  padding: 12px 14px;
  margin: 12px 0;
  font-size: 15.5px;
}
.notice.warn { border-left-color: var(--amber); background: var(--amber-soft); }

.badge {
  display: inline-block;
  padding: 3px 11px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}
.badge.pending { background: var(--amber-soft); color: var(--amber); }
.badge.approved { background: var(--blue-soft); color: var(--blue); }
.badge.active { background: var(--green-soft); color: var(--green-dark); }
.badge.paid { background: #e5e7eb; color: #374151; }
.badge.declined { background: #e5e7eb; color: #6b7280; }
.badge.overdue { background: var(--red-soft); color: var(--red); }
.badge.yes { background: var(--green-soft); color: var(--green-dark); }
.badge.no { background: var(--amber-soft); color: var(--amber); }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin: 14px 0; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.stat b { display: block; font-size: 22px; margin-top: 2px; }
.stat span { color: var(--muted); font-size: 14px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: 13.5px; text-transform: uppercase; letter-spacing: 0.03em; }
td.num, th.num { text-align: right; }

.kv { display: grid; grid-template-columns: minmax(120px, 40%) 1fr; gap: 6px 14px; font-size: 15.5px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 600; }

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.filters a {
  text-decoration: none; font-weight: 600; font-size: 15px;
  padding: 7px 14px; border-radius: 999px; border: 1.5px solid var(--line);
  background: #fff; color: var(--ink);
}
.filters a.on { background: var(--green); border-color: var(--green); color: #fff; }

.preview-box {
  background: #f2f2f0;
  border-left: 5px solid var(--green);
  border-radius: 12px;
  padding: 14px 16px;
  margin: 14px 0;
  font-size: 17px;
}
.preview-box .warn { color: var(--red); font-weight: 700; }

.msg-card { font-size: 15px; }
.msg-card .body { background: var(--bg); border-radius: 10px; padding: 10px 12px; margin: 8px 0; white-space: pre-wrap; }

.checkline { display: flex; gap: 10px; align-items: flex-start; margin: 14px 0; font-size: 15.5px; font-weight: 400; }
.checkline input { width: 22px; height: 22px; margin-top: 2px; flex: none; }

footer { padding: 10px 14px 34px; color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); }

.receipt { max-width: 420px; margin: 30px auto; }
.receipt h1 { font-size: 20px; }

@media print {
  header, footer, .no-print { display: none !important; }
  body { background: #fff; }
  .card { border: none; box-shadow: none; }
}

/* ---------- Landing page ---------- */

.hero {
  background: linear-gradient(150deg, #5c5c5c, #2e2e2e);
  color: #fff;
  border-radius: 20px;
  padding: 36px 24px 30px;
  margin: 16px 0 8px;
  text-align: center;
}
.hero img { width: 96px; height: 96px; border-radius: 24px; background: #fff; padding: 9px; }
.hero-division { font-size: 14px; color: #cfcfcd; letter-spacing: 0.02em; margin: 18px auto 0; }
.hero h1 { font-size: 32px; line-height: 1.2; margin: 14px 0 12px; }
.hero p { font-size: 19px; color: #e6e6e4; max-width: 36ch; margin: 0 auto 22px; }
.hero .btn {
  display: block;
  width: 100%;
  max-width: 420px;
  margin: 12px auto 0;
  font-size: 19px;
  padding: 16px 22px;
}
.hero .btn.light { background: var(--green); color: #fff; }
.hero .btn.light:hover { background: var(--green-dark); }
.hero .btn.outline { background: transparent; border: 2px solid rgba(255, 255, 255, 0.9); color: #fff; }
.hero .btn.outline:hover { background: rgba(255, 255, 255, 0.12); }

.section-title { text-align: center; font-size: 22px; margin: 30px 0 4px; }

.step { display: flex; gap: 14px; align-items: flex-start; margin: 18px 0; }
.step .n {
  flex: none;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-weight: 800;
  font-size: 21px;
  display: flex; align-items: center; justify-content: center;
}
.step b { font-size: 18.5px; }

.cost-line {
  display: flex; justify-content: space-between; gap: 12px;
  font-size: 18px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}
.cost-line b { font-size: 19px; }

.tick-list { list-style: none; padding: 0; margin: 0; }
.tick-list li { position: relative; padding: 9px 0 9px 36px; font-size: 18px; }
.tick-list li::before {
  content: '✓';
  position: absolute; left: 4px; top: 6px;
  color: var(--green);
  font-weight: 800;
  font-size: 21px;
}

.center-card { text-align: center; }

.langbar { display: flex; align-items: center; gap: 10px; margin: 12px 0 4px; }
.langbar label { margin: 0; font-weight: 600; font-size: 16px; white-space: nowrap; }
.langbar select {
  width: auto;
  min-width: 170px;
  padding: 10px 12px;
  font-size: 16px;
  border-radius: 10px;
}