:root {
  --bg: #0f1218;
  --card: #171c26;
  --text: #eef2f8;
  --muted: #9aa6b8;
  --accent: #7ee0c6;
  --line: #2a3344;
  --danger: #f3b1b1;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(1200px 600px at 10% -10%, #1b2a33 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  display: grid;
  place-items: center;
  padding: 32px 16px;
}

body.page-app {
  display: block;
  padding: 24px 16px 48px;
}

.wrap {
  width: min(820px, 100%);
  margin: 0 auto;
}

.card {
  width: min(560px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px 28px;
}

.card.wide {
  width: 100%;
}

.stack {
  display: grid;
  gap: 16px;
}

.mark {
  margin: 0 0 10px;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 700;
}

h1, h2 {
  margin: 0 0 12px;
  font-size: 28px;
  line-height: 1.2;
}

h2 { font-size: 22px; }

.lead {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.55;
}

.actions { margin: 0; }

.btn,
button,
.btn-link {
  display: inline-block;
  border: 0;
  border-radius: 12px;
  padding: 12px 18px;
  background: var(--accent);
  color: #102018;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  cursor: pointer;
}

.btn-link {
  background: transparent;
  color: var(--accent);
  padding: 0;
  font-weight: 600;
}

.form {
  display: grid;
  gap: 14px;
}

.form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
}

.form input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #10151d;
  color: var(--text);
  padding: 12px 14px;
  font-size: 16px;
}

.error {
  margin: 0 0 16px;
  color: var(--danger);
}

.flash {
  margin: 0;
  padding: 12px 14px;
  border-radius: 12px;
  background: #1c2a24;
  border: 1px solid #2e4a40;
  color: var(--accent);
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.top .mark { margin: 0; }

.top-right {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
}

.top-right a {
  color: var(--accent);
}

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

th { color: var(--muted); font-weight: 600; }