:root {
  --ink: #1d2433;
  --muted: #5d6677;
  --line: #e3e6ec;
  --bg: #f7f8fa;
  --card: #ffffff;
  --brand: #1f7a5a;
  --brand-dark: #165c43;
  --brand-tint: #e7f4ee;
  --warn: #b4441c;
  --warn-tint: #fdeee7;
  --radius: 10px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  line-height: 1.5;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); }
a { color: var(--brand); }
a:hover { color: var(--brand-dark); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { background: var(--card); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 19px; color: var(--ink); text-decoration: none; }
.logo svg { width: 28px; height: 28px; }
.nav { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav a:hover, .nav a.active { color: var(--ink); }

/* Buttons */
.btn { display: inline-block; border: 1px solid transparent; border-radius: 8px; padding: 9px 16px; font-size: 15px; font-weight: 600; cursor: pointer; text-decoration: none; font-family: inherit; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); color: #fff; }
.btn-secondary { background: var(--card); color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { border-color: #c8cdd6; color: var(--ink); }
.nav .btn-primary { color: #fff; }

/* Marketing */
.hero { padding: 72px 0 56px; text-align: center; }
.hero h1 { font-size: 44px; line-height: 1.15; margin: 0 auto 16px; max-width: 760px; letter-spacing: -0.02em; }
.hero p { font-size: 19px; color: var(--muted); max-width: 620px; margin: 0 auto 28px; }
.hero .actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; padding: 24px 0 64px; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.feature h3 { margin: 0 0 6px; font-size: 17px; }
.feature p { margin: 0; color: var(--muted); }
.page { padding: 48px 0 64px; max-width: 760px; }
.page h1 { font-size: 34px; margin: 0 0 12px; }
.page h2 { font-size: 20px; margin: 32px 0 8px; }
.page p, .page li { color: #3a4253; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-top: 28px; }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.plan.featured { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand); }
.plan .price { font-size: 32px; font-weight: 700; margin: 8px 0; }
.plan .price span { font-size: 15px; font-weight: 400; color: var(--muted); }
.plan ul { padding-left: 18px; margin: 12px 0 20px; }
.site-footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.site-footer a { color: var(--muted); margin-left: 16px; }

/* Auth */
.auth { max-width: 400px; margin: 64px auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.auth h1 { font-size: 24px; margin: 0 0 4px; }
.auth .sub { color: var(--muted); margin: 0 0 24px; }

/* Forms */
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.field .hint { font-weight: 400; color: var(--muted); }
input[type=text], input[type=password], input[type=date], input[type=number], select, textarea {
  width: 100%; padding: 10px 12px; font-size: 15px; font-family: inherit; color: var(--ink);
  border: 1px solid #cfd4dc; border-radius: 8px; background: #fff;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand-tint); border-color: var(--brand); }
textarea { min-height: 84px; resize: vertical; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-actions { display: flex; gap: 10px; margin-top: 8px; flex-wrap: wrap; }
.error { background: var(--warn-tint); color: var(--warn); border-radius: 8px; padding: 10px 12px; margin-bottom: 16px; font-size: 14px; }
.notice { background: var(--brand-tint); color: var(--brand-dark); border-radius: 8px; padding: 10px 12px; margin-bottom: 16px; font-size: 14px; }
.muted { color: var(--muted); font-size: 14px; }
.between { display: flex; justify-content: space-between; align-items: center; }

/* App */
.app-main { padding: 32px 0 64px; }
.app-main h1 { font-size: 26px; margin: 0; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.stat .label { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; }
.stat .value { font-size: 24px; font-weight: 700; margin-top: 4px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.tabs { display: flex; gap: 4px; margin-bottom: 12px; flex-wrap: wrap; }
.tabs a { padding: 6px 12px; border-radius: 999px; text-decoration: none; color: var(--muted); font-size: 14px; }
.tabs a.active { background: var(--ink); color: #fff; }
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); font-size: 15px; }
th { font-size: 13px; color: var(--muted); font-weight: 600; background: #fbfbfc; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.empty { text-align: center; color: var(--muted); padding: 28px; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 13px; font-weight: 600; }
.badge-approved { background: var(--brand-tint); color: var(--brand-dark); }
.badge-submitted { background: #e8eefc; color: #2b4ea2; }
.badge-draft { background: #eef0f3; color: #4a5263; }
.badge-rejected { background: var(--warn-tint); color: var(--warn); }
.back { display: inline-block; margin-bottom: 16px; font-size: 14px; text-decoration: none; }

@media (max-width: 640px) {
  .hero h1 { font-size: 32px; }
  .row { grid-template-columns: 1fr; }
  .nav a:not(.btn) { display: none; }
  th:nth-child(3), td:nth-child(3) { display: none; }
}