:root {
  --bg: #f4f6f9;
  --card: #ffffff;
  --ink: #1c2733;
  --muted: #6b7787;
  --line: #e3e8ef;
  --brand: #0f4c81;
  --brand-d: #0c3c66;
  --gold: #c79a3a;
  --good: #1f8a55;
  --warn: #c0392b;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(16,32,48,.08), 0 4px 16px rgba(16,32,48,.05);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Topbar */
.topbar {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  background: var(--brand); color: #fff;
  padding: .6rem 1rem;
}
.topbar .brand { color: #fff; font-weight: 700; font-size: 1.05rem; }
.topbar .brand:hover { text-decoration: none; }
.mainnav { display: flex; gap: .25rem; flex-wrap: wrap; flex: 1; }
.mainnav a { color: #dce7f2; padding: .35rem .6rem; border-radius: 8px; font-size: .92rem; }
.mainnav a:hover { background: rgba(255,255,255,.12); text-decoration: none; }
.mainnav a.on { background: rgba(255,255,255,.18); color: #fff; }
.topright { display: flex; align-items: center; gap: .75rem; margin-left: auto; }
.langswitch a { color: #cdd9e6; font-size: .85rem; padding: 0 .25rem; }
.langswitch a.on { color: #fff; font-weight: 700; text-decoration: underline; }
.inline { display: inline; }
.btn-link { background: none; border: 0; color: #fff; cursor: pointer; font-size: .9rem; }

/* Layout */
.container { max-width: 1000px; margin: 1.5rem auto; padding: 0 1rem 3rem; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
h1 { font-size: 1.5rem; margin: .2rem 0; }
h2 { font-size: 1.15rem; margin: 0 0 .75rem; }
.muted { color: var(--muted); }
.note { background: #fff8e6; border: 1px solid #f0e2bd; padding: .6rem .8rem; border-radius: 8px; }

/* Hero / landing */
.hero { text-align: center; padding: 4rem 1rem; }
.hero h1 { font-size: 2rem; color: var(--brand); }
.hero .lead { max-width: 560px; margin: 1rem auto 2rem; color: var(--muted); font-size: 1.1rem; }

.landing { max-width: 760px; margin: 0 auto; padding: 1.5rem 1rem 3rem; text-align: center; }
.landing-art { width: 100%; max-width: 560px; height: auto; display: block; margin: 0 auto 1.6rem; filter: drop-shadow(0 14px 30px rgba(15,76,129,.14)); }
.landing h1 { font-size: 2.1rem; color: var(--brand); margin: 0; letter-spacing: -.01em; }
.landing .lead { max-width: 500px; margin: .85rem auto 1.7rem; color: var(--muted); font-size: 1.1rem; }
.btn-lg { padding: .72rem 1.7rem; font-size: 1.02rem; border-radius: 10px; }
@media (max-width: 640px) { .landing h1 { font-size: 1.6rem; } .landing .lead { font-size: 1rem; } }

/* Cards */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.25rem; margin-bottom: 1.25rem; }
.card.narrow { max-width: 480px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .85rem; margin-bottom: 1.25rem; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1rem; display: flex; flex-direction: column; gap: .25rem; }
.stat-label { color: var(--muted); font-size: .82rem; }
.stat-value { font-size: 1.45rem; font-weight: 700; }
.stat-value.good { color: var(--good); }
.stat.warn { border-color: #f0c4bd; background: #fdf3f1; }
.stat.warn .stat-value { color: var(--warn); }

/* Tables */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid var(--line); font-size: .92rem; }
.table th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .02em; }
.table .num { text-align: right; }
.table tbody tr:hover { background: #f8fafc; }

/* Forms */
.form { display: flex; flex-direction: column; gap: .9rem; }
.form label { display: flex; flex-direction: column; gap: .3rem; font-size: .9rem; font-weight: 600; color: #38434f; }
.form input, .form select, .form textarea {
  font: inherit; padding: .55rem .6rem; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); font-weight: 400;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--brand); border-color: var(--brand); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
.calcbox { background: #f1f6fb; border: 1px solid #d7e3f0; border-radius: 8px; padding: .7rem .85rem; display: flex; flex-direction: column; gap: .25rem; }
.calcbox strong { font-size: 1.05rem; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; margin-top: .5rem; }

/* Buttons */
.btn { display: inline-block; padding: .5rem .9rem; border-radius: 8px; border: 1px solid var(--line); background: #fff; color: var(--ink); cursor: pointer; font: inherit; font-size: .92rem; }
.btn:hover { text-decoration: none; background: #f1f4f8; }
.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-d); }
.btn-ok { background: var(--good); border-color: var(--good); color: #fff; }
.btn-danger { background: var(--warn); border-color: var(--warn); color: #fff; }
.btn-sm { padding: .3rem .6rem; font-size: .85rem; }

/* Badges */
.badge { display: inline-block; padding: .12rem .5rem; border-radius: 999px; font-size: .75rem; font-weight: 600; }
.b-active { background: #e3f0ff; color: #0f4c81; }
.b-paid { background: #e2f5ea; color: var(--good); }
.b-overdue { background: #fdeceA; color: var(--warn); }
.b-cancelled { background: #eceff3; color: var(--muted); }
.m-matched { background: #e2f5ea; color: var(--good); }
.m-possible_match { background: #fff3d6; color: #946100; }
.m-unmatched { background: #fdeceA; color: var(--warn); }

.tr-link { display: inline-block; background: none; border: 0; color: var(--brand); cursor: pointer; font: inherit; font-size: .78rem; padding: 0; margin-left: .4rem; opacity: .75; }
.tr-link:hover { opacity: 1; text-decoration: underline; }
.tr-link:disabled { opacity: .5; cursor: default; }
.tr-out { margin-top: .25rem; padding: .4rem .6rem; background: #f1f6fb; border-left: 3px solid var(--brand); border-radius: 6px; font-size: .9rem; color: #2a3744; }

.alert { background: #fdeceA; color: var(--warn); padding: .55rem .7rem; border-radius: 8px; border: 1px solid #f0c4bd; }
.steps { padding-left: 1.2rem; }
.steps li { margin: .4rem 0; }
.foot { text-align: center; color: var(--muted); padding: 1.5rem; font-size: .85rem; }

@media (max-width: 640px) {
  .topbar { gap: .5rem; }
  .grid2 { grid-template-columns: 1fr; }
  .page-head { align-items: flex-start; }
  h1 { font-size: 1.3rem; }
}