:root {
  --bg: #eef1f6;
  --panel: #ffffff;
  --ink: #1b2a41;
  --muted: #5f6b82;
  --line: #e2e7f0;
  --navy: #16304e;
  --navy-dark: #0f2238;
  --accent: #1f3f66;
  --accent-dark: #16304e;
  --gold: #b0894e;
  --gold-dark: #8f6d3a;
  --ok: #1a7f52; --ok-bg: #e3f3ea;
  --warn: #96690f; --warn-bg: #f7edd6;
  --danger: #c0392b;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16,32,52,.06), 0 2px 10px rgba(16,32,52,.05);
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink); background: var(--bg); line-height: 1.55;
}

/* Header */
.site-header {
  display: flex; align-items: center; gap: 1.5rem;
  padding: .9rem 1.75rem;
  background: var(--navy);
  border-bottom: 3px solid var(--gold);
  flex-wrap: wrap;
}
.brand { font-family: var(--serif); font-weight: 600; font-size: 1.2rem; color: #fff; text-decoration: none; letter-spacing: .2px; }
.site-header nav { display: flex; gap: 1.05rem; flex-wrap: wrap; }
.site-header nav a { color: rgba(255,255,255,.76); text-decoration: none; font-weight: 500; font-size: .92rem; padding-bottom: 2px; border-bottom: 2px solid transparent; }
.site-header nav a:hover { color: #fff; border-bottom-color: var(--gold); }

.container { max-width: 1080px; margin: 0 auto; padding: 2rem 1.5rem 3rem; }
.site-footer { text-align: center; color: var(--muted); font-size: .85rem; padding: 2rem 1rem; border-top: 1px solid var(--line); margin-top: 1rem; }

h1 { font-family: var(--serif); font-weight: 600; color: var(--navy); font-size: 1.85rem; margin: 0 0 .35rem; letter-spacing: .2px; }
h2 { font-family: var(--serif); font-weight: 600; color: var(--navy); font-size: 1.2rem; margin: 0 0 .8rem; }
.lead { color: var(--muted); margin: 0 0 1.9rem; font-size: 1.02rem; max-width: 70ch; }

/* Home cards */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1.1rem; }
.card {
  display: block; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.35rem 1.4rem; text-decoration: none; color: inherit;
  box-shadow: var(--shadow); transition: transform .1s ease, border-color .1s ease, box-shadow .1s ease;
  border-top: 3px solid transparent;
}
.card:hover { transform: translateY(-3px); border-color: var(--line); border-top-color: var(--gold); box-shadow: 0 6px 20px rgba(16,32,52,.1); }
.card .icon { font-size: 1.7rem; }
.card h2 { margin: .55rem 0 .4rem; font-size: 1.12rem; }
.card p { margin: 0; color: var(--muted); font-size: .9rem; }

/* Panels & forms */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.35rem 1.4rem; box-shadow: var(--shadow); margin-bottom: 1.35rem; }
.row { display: flex; gap: 1rem; flex-wrap: wrap; }
.col { flex: 1 1 260px; min-width: 220px; }
label { display: block; font-weight: 600; font-size: .82rem; margin-bottom: .35rem; color: #33415c; letter-spacing: .01em; }
textarea, input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], select {
  width: 100%; font: inherit; padding: .6rem .7rem; border: 1px solid #d5dce8;
  border-radius: 8px; background: #fff; color: var(--ink); transition: border-color .1s, box-shadow .1s;
}
textarea:focus, input:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(31,63,102,.12); }
textarea { min-height: 220px; font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: .9rem; resize: vertical; }
.hint { color: var(--muted); font-size: .82rem; margin-top: .3rem; }

button, .btn {
  display: inline-block; font: inherit; font-weight: 600; cursor: pointer; border: none; border-radius: 8px;
  padding: .6rem 1.15rem; background: var(--accent); color: #fff; text-decoration: none; transition: background .1s;
}
button:hover, .btn:hover { background: var(--accent-dark); }
button.secondary, .btn.secondary { background: #eef1f6; color: var(--navy); border: 1px solid #dbe1eb; }
button.secondary:hover, .btn.secondary:hover { background: #e3e8f0; }
.toolbar { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; margin: 1.1rem 0; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .55rem .65rem; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { color: var(--muted); font-weight: 600; font-size: .74rem; text-transform: uppercase; letter-spacing: .04em; border-bottom: 2px solid var(--line); }
tbody tr:hover td { background: #f7f9fc; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
a { color: var(--accent); }
a:hover { color: var(--gold-dark); }

.tag { display: inline-block; padding: .12rem .55rem; border-radius: 20px; font-size: .74rem; font-weight: 600; background: #eef1f6; color: #52607a; vertical-align: middle; }
.tag.ok { background: var(--ok-bg); color: var(--ok); }
.tag.warn { background: var(--warn-bg); color: var(--warn); }

.summary { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.25rem; }
.summary .stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: .85rem 1.2rem; box-shadow: var(--shadow); min-width: 130px; }
.summary .stat b { display: block; font-family: var(--serif); font-size: 1.6rem; font-weight: 600; color: var(--navy); }
.summary .stat span { color: var(--muted); font-size: .8rem; }
a.stat { text-decoration: none; color: inherit; }
a.stat:hover { border-color: var(--gold); }

mark { background: #fbe6c0; padding: 0 .12em; border-radius: 3px; }
.matches-box { background: #fff; border: 1px solid #d5dce8; border-radius: 8px; padding: .8rem; min-height: 120px;
  font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .9rem; white-space: pre-wrap; word-break: break-word; }
.notice { padding: .75rem 1.05rem; border-radius: 8px; font-size: .92rem; margin: 1rem 0; }
.notice.ok { background: var(--ok-bg); color: var(--ok); }
.notice.warn { background: var(--warn-bg); color: var(--warn); }
code.codepill { background: var(--navy); color: #fff; padding: .15rem .5rem; border-radius: 6px; font-weight: 700; letter-spacing: .05em; }

/* Coloured buttons (File Converter / Statement) */
.btn-green { background: var(--ok); } .btn-green:hover { background: #146942; }
.btn-purple { background: var(--gold); } .btn-purple:hover { background: var(--gold-dark); }
.btn-teal { background: #2a6f6a; } .btn-teal:hover { background: #205551; }
.btn-remove { background: #d0493b; padding: .4rem .6rem; } .btn-remove:hover { background: #b23a2e; }

/* File Converter output-column builder */
.cvt-cols { display: flex; flex-direction: column; gap: .6rem; }
.cvt-col { display: flex; gap: .75rem; align-items: flex-end; flex-wrap: wrap; padding: .7rem; border: 1px solid var(--line); border-radius: 8px; background: #f8fafc; }
.cvt-cell { display: flex; flex-direction: column; gap: .25rem; }
.cvt-cell > label { margin: 0; }
.cvt-params { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; margin-top: .35rem; }
.cvt-move { display: flex; gap: .3rem; margin-left: auto; }
.cvt-move button { padding: .4rem .6rem; }
.cvt-filter { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; margin-bottom: .5rem; }
#converterApp select { font: inherit; padding: .45rem .5rem; border: 1px solid #d5dce8; border-radius: 8px; background: #fff; }
#converterApp input[type=file] { font: inherit; }