:root {
  --navy: #18407c;
  --navy-light: #2f5fa8;
  --ink: #1f2937;
  --muted: #5b6472;
  --border: #e3e8ef;
  --panel: #f6f8fc;
  --bg: #eef1f6;
  --ok: #0f7b4f;
  --err: #b42318;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--navy-light); }

h1 { font-size: 22px; margin: 0 0 4px; letter-spacing: -0.2px; }
h2 { font-size: 15px; margin: 0 0 12px; color: var(--navy); text-transform: uppercase; letter-spacing: 0.7px; }
p { margin: 0 0 10px; }

.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }

/* ---------- chrome ---------- */
.topbar { background: #fff; border-bottom: 1px solid var(--border); }
.topbar-inner {
  max-width: 1180px; margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; gap: 22px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px; background: var(--navy); color: #fff;
  display: inline-flex; align-items: center; justify-content: center; font-weight: 700;
}
.nav { display: flex; gap: 18px; flex: 1; }
.nav a { text-decoration: none; color: var(--muted); font-weight: 600; font-size: 14px; padding: 4px 0; }
.nav a.active { color: var(--navy); border-bottom: 2px solid var(--navy); }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.who { font-size: 13px; color: var(--muted); }

.page { max-width: 1180px; margin: 0 auto; padding: 24px 20px 60px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.foot { border-top: 1px solid var(--border); background: #fff; }
.foot-inner { max-width: 1180px; margin: 0 auto; padding: 16px 20px; font-size: 12.5px; color: var(--muted); }

/* ---------- cards ---------- */
.card {
  background: #fff; border: 1px solid var(--border); border-radius: 10px;
  padding: 20px; margin-bottom: 18px;
}
.card.empty { text-align: center; padding: 44px 20px; }
.stack > * + * { margin-top: 12px; }

.split { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(300px, 1fr); gap: 18px; align-items: start; }
.split-main > *:last-child, .split-side > *:last-child { margin-bottom: 0; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }

/* ---------- stats ---------- */
.stat-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.stat {
  flex: 1 1 110px; background: #fff; border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px; text-decoration: none; color: var(--ink); display: block;
}
.stat-active { border-color: var(--navy); box-shadow: inset 0 0 0 1px var(--navy); }
.stat-num { display: block; font-size: 21px; font-weight: 700; color: var(--navy); }
.stat-label { display: block; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.6px; }

/* ---------- forms ---------- */
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
input[type="text"], input[type="email"], input[type="password"], input[type="search"], input[type="file"], select, textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 7px;
  font: inherit; color: var(--ink); background: #fff;
}
textarea { resize: vertical; }
textarea.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
.filters input[type="search"] { flex: 1 1 260px; }
.filters select { flex: 0 1 200px; }
.field { display: block; margin-bottom: 14px; font-size: 13.5px; font-weight: 600; color: var(--muted); }
.field input, .field select, .field textarea { margin-top: 5px; font-weight: 400; }
.hint { display: block; margin-top: 5px; font-size: 12px; font-weight: 400; color: var(--muted); }
.check { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; font-size: 14px; }
.check input { width: auto; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
@media (max-width: 760px) { .grid2 { grid-template-columns: 1fr; } }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; padding: 9px 16px; border-radius: 7px; border: 1px solid var(--border);
  background: #fff; color: var(--ink); font: inherit; font-weight: 600; font-size: 14px;
  text-decoration: none; cursor: pointer;
}
.btn:hover { background: var(--panel); }
.btn-primary { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn-primary:hover { background: #133566; }
.btn-ok { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn-ghost { background: transparent; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { display: block; width: 100%; text-align: center; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.inline { display: inline; }

/* ---------- tables ---------- */
.table-wrap { padding: 0; overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
  text-align: left; padding: 12px 14px; background: var(--panel); color: var(--muted);
  font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.7px; border-bottom: 1px solid var(--border);
}
.table td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table tbody tr:last-child td { border-bottom: 0; }
.table-tight td, .table-tight th { padding: 7px 10px; }

/* ---------- badges ---------- */
.badge {
  display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 11.5px;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
  background: var(--panel); color: var(--muted);
}
.badge-drafted { background: #e5efff; color: var(--navy); }
.badge-ready { background: #e5efff; color: var(--navy); }
.badge-sent { background: #e3f6ec; color: var(--ok); }
.badge-reviewed { background: #e3f6ec; color: var(--ok); }
.badge-pending { background: #fdf3d8; color: #8a6100; }
.badge-unmatched { background: #f1e9ff; color: #5b3ea8; }
.badge-error { background: #fde8e6; color: var(--err); }
.badge-ignored { background: #eceff3; color: var(--muted); }

/* ---------- list stats + filters ---------- */
.stat-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.stat {
  flex: 1 1 120px; background: #fff; border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 16px; text-decoration: none; color: inherit; display: block;
}
.stat:hover { border-color: var(--navy-light); }
.stat-num { display: block; font-size: 22px; font-weight: 700; color: var(--navy); }
.stat-label { display: block; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); font-weight: 700; }
.filters { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 18px; }
.filters .field { margin: 0; }
.filters select, .filters input { min-width: 170px; }

/* ---------- letter editor ---------- */
.editor-bar {
  display: flex; gap: 6px; align-items: center; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--border); border-bottom: 0;
  border-radius: 8px 8px 0 0; padding: 8px 10px;
}
.editor-bar .btn { background: #fff; }
.editor-bar .muted { margin-left: 6px; }
.letter-edit {
  border: 1px solid var(--border); border-radius: 0 0 8px 8px; background: #eef1f6;
  padding: 16px; max-height: 900px; overflow: auto;
}
.letter-edit:focus { outline: 2px solid var(--navy-light); outline-offset: -2px; }
.letter-edit table { max-width: 100%; }
.otp-input {
  text-align: center; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 22px; letter-spacing: 8px;
}

/* ---------- flash ---------- */
.flash { padding: 11px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.flash-ok { background: #e3f6ec; color: var(--ok); border: 1px solid #b7e3cc; }
.flash-err { background: #fde8e6; color: var(--err); border: 1px solid #f5c4bf; }

/* ---------- letter preview ---------- */
.letter-frame {
  width: 100%; height: 640px; border: 1px solid var(--border); border-radius: 8px; background: #eef1f6;
}
.raw {
  max-height: 340px; overflow: auto; background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px; font-size: 12px; white-space: pre-wrap; word-break: break-word;
}
details summary { cursor: pointer; font-size: 13.5px; color: var(--navy-light); font-weight: 600; margin-bottom: 10px; }

/* ---------- key/value + lists ---------- */
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 0 0 14px; font-size: 13.5px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.file-list { list-style: none; margin: 0; padding: 0; font-size: 13px; }
.file-list li { padding: 6px 0; border-bottom: 1px solid var(--border); }
.file-list li:last-child { border-bottom: 0; }

/* ---------- recipient ---------- */
.card-warn { border-color: #f0c36d; background: #fffdf6; }
.warn-text { color: #8a6100; font-size: 13.5px; margin: 0 0 12px; }
.recipient { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 14px; font-weight: 600; color: var(--navy); margin: 0 0 4px; word-break: break-all; }
.need-to { display: inline-block; padding: 2px 8px; border-radius: 999px; background: #fdf3d8; color: #8a6100; font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.4px; }

/* ---------- login ---------- */
.login-body { background: var(--navy); }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card { background: #fff; border-radius: 12px; padding: 30px; width: 100%; max-width: 380px; }
.login-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.login-title { font-weight: 700; font-size: 17px; }
.login-sub { font-size: 13px; color: var(--muted); }
.login-note { font-size: 12px; color: var(--muted); margin: 16px 0 0; }
.login-card label { display: block; margin-bottom: 14px; font-size: 13.5px; font-weight: 600; color: var(--muted); }
.login-card label input { margin-top: 5px; font-weight: 400; }