:root {
  --primary: #2E9E6B;
  --primary-dark: #1F7A52;
  --primary-light: #E8F5EF;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --bg: #f8fafc;
  --card: #ffffff;
  --red: #dc2626;
  --red-light: #fef2f2;
  --amber: #b45309;
  --amber-light: #fffbeb;
  --radius: 12px;
  color-scheme: light;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--primary-dark); }
h1 { font-size: 1.6rem; margin: 0 0 .5rem; line-height: 1.25; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 .75rem; }
code { background: var(--bg); padding: 2px 6px; border-radius: 4px; }
code.big { font-size: 1.3rem; letter-spacing: .05em; }

.wrap { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.main { flex: 1; padding-top: 24px; padding-bottom: 32px; }

/* ---------- üst bar */
.topbar { background: var(--card); border-bottom: 1px solid var(--border); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 64px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; text-decoration: none; }
.brand img { display: block; height: 36px; width: auto; }
.brand-text { font-weight: 700; color: var(--primary-dark); font-size: 1.1rem; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { text-decoration: none; color: var(--text); padding: 8px 12px; border-radius: 8px; font-size: .95rem; }
.nav a:hover { background: var(--primary-light); color: var(--primary-dark); }
.area-admin .topbar { background: #0f172a; border-color: #0f172a; }
.area-admin .brand-text { color: #fff; }
.area-admin .nav a { color: #cbd5e1; }
.area-admin .nav a:hover { background: #1e293b; color: #fff; }

/* ---------- kart */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 20px; box-shadow: 0 1px 3px rgba(0,0,0,.04); }
.card.narrow { max-width: 560px; margin-left: auto; margin-right: auto; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.card-head h1 { margin: 0; }
.head-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }
.opt { color: var(--muted); font-weight: 400; font-size: .85rem; }
.note { color: var(--amber); }

.hint { background: var(--primary-light); border-radius: 8px; padding: 10px 14px; margin: 12px 0 16px; font-size: .92rem; }

/* ---------- form */
form label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 14px; }
input, textarea, select {
  display: block; width: 100%; margin-top: 6px;
  font: inherit; font-weight: 400; color: var(--text);
  padding: 11px 12px; border: 1px solid #cbd5e1; border-radius: 8px; background: #fff;
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--primary); outline-offset: 0; border-color: var(--primary); }
input.amount { font-size: 1.3rem; font-weight: 600; }
textarea { resize: vertical; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
label.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
label.check input { width: auto; margin: 4px 0 0; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: flex-end; margin: 8px 0 16px; }
.filters input, .filters select { width: auto; margin: 0; padding: 8px 10px; }
.filters input[name=q] { min-width: 220px; flex: 1; }
.filters .inline-label { display: flex; align-items: center; gap: 6px; margin: 0; font-weight: 400; font-size: .85rem; color: var(--muted); }
form.inline { display: inline; margin: 0; }
.installment-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 0 0 4px; }
.installment-form select { width: auto; margin: 0; padding: 6px 8px; }

/* ---------- buton */
.btn {
  display: inline-block; padding: 10px 16px; border-radius: 8px; border: 1px solid var(--border);
  background: #fff; color: var(--text); font: inherit; font-weight: 600; font-size: .95rem;
  text-decoration: none; cursor: pointer; line-height: 1.2;
}
.btn:hover { border-color: var(--primary); color: var(--primary-dark); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.btn-block { display: block; width: 100%; padding: 14px; font-size: 1.05rem; margin-top: 8px; }
.btn-small { padding: 5px 10px; font-size: .82rem; }
.btn-link { border-color: transparent; background: transparent; }
.actions { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 20px; }

/* ---------- uyarı */
.alert { border-radius: 8px; padding: 12px 16px; margin-bottom: 16px; border: 1px solid; }
.alert ul { margin: 0; padding-left: 18px; }
.alert-error { background: var(--red-light); border-color: #fecaca; color: #991b1b; }
.alert-success { background: var(--primary-light); border-color: #a7d7c0; color: var(--primary-dark); }
.alert-info { background: #eff6ff; border-color: #bfdbfe; color: #1e40af; }

/* ---------- tablo */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; }
table.list th, table.list td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: top; font-size: .93rem; }
table.list th { font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; }
table.list tbody tr:hover { background: var(--bg); }
.num { text-align: right !important; white-space: nowrap; }
table.summary { margin: 16px 0; text-align: left; }
table.summary th, table.summary td { padding: 8px 4px; border-bottom: 1px solid var(--border); }
table.summary th { color: var(--muted); font-weight: 500; width: 40%; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .8rem; font-weight: 600; white-space: nowrap; }
.badge-success { background: var(--primary-light); color: var(--primary-dark); }
.badge-failed { background: var(--red-light); color: var(--red); }
.badge-pending { background: var(--amber-light); color: var(--amber); }
.tag { display: inline-block; font-size: .72rem; padding: 1px 6px; border-radius: 4px; background: var(--primary-light); color: var(--primary-dark); vertical-align: middle; }
.tag-guest { background: #f1f5f9; color: var(--muted); }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
.stats div { background: var(--bg); border-radius: 8px; padding: 12px 14px; }
.stats span { display: block; font-size: .8rem; color: var(--muted); }
.stats strong { font-size: 1.25rem; }

.pager { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 16px; }
.pager a { padding: 6px 11px; border: 1px solid var(--border); border-radius: 6px; text-decoration: none; }
.pager a.current { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------- sonuç */
.result-icon { width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 12px; display: flex; align-items: center; justify-content: center; font-size: 2rem; font-weight: 700; }
.result-icon.ok { background: var(--primary-light); color: var(--primary); }
.result-icon.fail { background: var(--red-light); color: var(--red); }
.result-icon.wait { background: var(--amber-light); color: var(--amber); }

.prose { max-width: 800px; margin-left: auto; margin-right: auto; }
.prose li { margin-bottom: 4px; }

/* ---------- alt bilgi */
.footer { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; padding-top: 16px; padding-bottom: 24px; font-size: .82rem; color: var(--muted); }

/* ---------- mobil */
@media (max-width: 640px) {
  .card { padding: 18px 16px; }
  .row { grid-template-columns: 1fr; gap: 0; }
  .stats { grid-template-columns: 1fr; }
  .filters input[name=q] { min-width: 100%; }
  .nav a { padding: 6px 8px; font-size: .9rem; }

  table.list thead { display: none; }
  table.list tr { display: block; border-bottom: 1px solid var(--border); padding: 8px 0; }
  table.list td { display: flex; justify-content: space-between; gap: 12px; border: 0; padding: 4px 0; text-align: right; }
  table.list td::before { content: attr(data-label); color: var(--muted); font-size: .8rem; text-align: left; flex-shrink: 0; }
  table.list td:not([data-label])::before { content: none; }
  .num { text-align: right; }
}