:root {
  --ink: #14151a;
  --ink-soft: #4a4d57;
  --paper: #f6f7fb;
  --card: #ffffff;
  --border: #e3e5ec;
  --brand: #5b5ff2;
  --brand-dark: #3f43c9;
  --success: #1c8a4b;
  --success-bg: #e8f7ee;
  --danger: #c23a3a;
  --danger-bg: #fdecec;
  --warn: #a1670c;
  --warn-bg: #fbf1de;
}

* { box-sizing: border-box; }

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

a { color: var(--brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  background: #14151a;
  color: #fff;
}
.site-header__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  color: #fff;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}
.brand:hover { text-decoration: none; opacity: 0.9; }
.nav a {
  color: #d7d8f5;
  margin-left: 22px;
  font-weight: 500;
}
.nav a:hover { color: #fff; text-decoration: none; }

.content {
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.flash { padding: 12px 0; }
.flash__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 24px;
  border-radius: 8px;
}
.flash--info .flash__inner { background: #e8ecff; color: var(--brand-dark); }
.flash--success .flash__inner { background: var(--success-bg); color: var(--success); }
.flash--error .flash__inner { background: var(--danger-bg); color: var(--danger); }

.hero { text-align: center; margin-bottom: 40px; }
.hero h1 { font-size: 2.1rem; margin-bottom: 8px; }
.hero p { color: var(--ink-soft); font-size: 1.05rem; }

.plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.plan-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 2px rgba(20, 21, 26, 0.04);
}
.plan-card h2 { margin: 0 0 4px; font-size: 1.3rem; }
.plan-card .price { font-size: 2rem; font-weight: 700; margin: 12px 0; }
.plan-card .price span { font-size: 0.95rem; font-weight: 400; color: var(--ink-soft); }
.plan-card p.description { color: var(--ink-soft); flex-grow: 1; margin-bottom: 20px; }

.btn {
  display: inline-block;
  padding: 11px 20px;
  border-radius: 8px;
  border: none;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-align: center;
}
.btn:hover { background: var(--brand-dark); text-decoration: none; }
.btn--outline {
  background: transparent;
  color: var(--brand-dark);
  border: 1px solid var(--brand);
}
.btn--outline:hover { background: #eef0ff; }
.btn--danger { background: var(--danger); }
.btn--danger:hover { background: #a02f2f; }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  margin-bottom: 24px;
}

.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.status-badge--succeeded, .status-badge--active { background: var(--success-bg); color: var(--success); }
.status-badge--failed { background: var(--danger-bg); color: var(--danger); }
.status-badge--pending, .status-badge--processing { background: var(--warn-bg); color: var(--warn); }
.status-badge--refunded, .status-badge--canceled, .status-badge--expired { background: #ececf4; color: var(--ink-soft); }

table { width: 100%; border-collapse: collapse; margin-top: 8px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { color: var(--ink-soft); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.03em; }

form.stack { display: flex; flex-direction: column; gap: 14px; max-width: 420px; }
label { font-weight: 600; font-size: 0.9rem; }
input[type="text"], input[type="password"], textarea {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  width: 100%;
}
.hint { color: var(--ink-soft); font-size: 0.85rem; }

#card-element {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}
#card-errors { color: var(--danger); font-size: 0.88rem; min-height: 1.2em; }

.section-title { margin: 40px 0 16px; font-size: 1.3rem; }
.section-title:first-child { margin-top: 0; }

.empty-state { color: var(--ink-soft); padding: 20px 0; }

.site-footer { border-top: 1px solid var(--border); margin-top: 60px; }
.site-footer__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 24px;
  color: var(--ink-soft);
  font-size: 0.85rem;
}