:root {
  --ink: #14171a; --soft: #545c63; --faint: #858d94;
  --line: #e0e4e7; --bg: #f6f7f8; --card: #fff;
  --accent: #1f3a5f; --accent-soft: #eaf0f7;
  --danger: #a32020; --ok: #1d6b3f; --warn: #8a5a00;
  --radius: 8px;
  --sans: "Helvetica Neue", Helvetica, "Segoe UI", Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: var(--sans); color: var(--ink); background: var(--bg); line-height: 1.5; }
a { color: var(--accent); }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px 64px; }
.narrow { max-width: 460px; }

header.top { background: var(--card); border-bottom: 1px solid var(--line); margin-bottom: 28px; }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; gap: 16px; }
header.top .brand { font-weight: 700; text-decoration: none; color: var(--accent); font-size: 17px; }
header.top nav { display: flex; gap: 16px; align-items: center; font-size: 14px; }

h1 { font-size: 26px; margin: 0 0 6px; letter-spacing: -0.3px; }
h2 { font-size: 17px; margin: 28px 0 10px; }
h3 { font-size: 15px; margin: 0 0 8px; }
.lede { color: var(--soft); margin: 0 0 24px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; }
.card h3 { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }

label { display: block; font-size: 13px; font-weight: 600; color: var(--soft); margin: 12px 0 4px; }
input, textarea, select {
  width: 100%; padding: 8px 10px; font: inherit; font-size: 14px;
  border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink);
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
textarea { min-height: 90px; resize: vertical; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 140px; }
.hint { font-size: 12px; color: var(--faint); margin: 4px 0 0; }

button, .btn {
  display: inline-block; padding: 9px 16px; font: inherit; font-size: 14px; font-weight: 600;
  border: 1px solid var(--accent); border-radius: 6px; background: var(--accent); color: #fff;
  cursor: pointer; text-decoration: none;
}
button:hover, .btn:hover { filter: brightness(1.12); }
.btn-ghost { background: #fff; color: var(--accent); }
.btn-danger { background: #fff; color: var(--danger); border-color: var(--danger); }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.actions { display: flex; gap: 10px; align-items: center; margin-top: 18px; flex-wrap: wrap; }

.msg { padding: 11px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; border: 1px solid; }
.msg-error { background: #fdf1f1; border-color: #f0c9c9; color: var(--danger); }
.msg-ok    { background: #f0f8f3; border-color: #c6e4d3; color: var(--ok); }
.msg-warn  { background: #fdf7ea; border-color: #ebdcb6; color: var(--warn); }
.msg ul { margin: 6px 0 0; padding-left: 18px; }

.list { list-style: none; padding: 0; margin: 0; }
.list li { display: flex; justify-content: space-between; align-items: center; gap: 12px;
           padding: 11px 0; border-bottom: 1px solid var(--line); }
.list li:last-child { border-bottom: 0; }
.meta { color: var(--faint); font-size: 13px; }

.exp { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; background: #fcfcfd; }
.exp summary { cursor: pointer; font-weight: 600; }
.exp summary .meta { font-weight: 400; }

.check { display: flex; gap: 8px; align-items: flex-start; margin: 6px 0; font-size: 14px; }
.check input { width: auto; margin-top: 3px; flex: none; }
.check label { margin: 0; font-weight: 400; color: var(--ink); font-size: 14px; }

footer.foot { border-top: 1px solid var(--line); margin-top: 40px; padding: 18px 0; font-size: 13px; color: var(--faint); }
footer.foot a { color: var(--faint); }