:root {
  --bg: #f0f4f3;
  --ink: #102a2a;
  --muted: #5b6e6e;
  --line: #d5e0de;
  --card: #fff;
  --accent: #0f766e;
  --danger: #b91c1c;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.45 "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background: radial-gradient(1200px 500px at 10% -10%, #ccfbf1, transparent),
              linear-gradient(180deg, #ecfeff, var(--bg) 40%);
  min-height: 100vh;
}
.home main { max-width: 640px; margin: 12vh auto; padding: 0 20px; }
.brand { text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); font-size: 12px; font-weight: 700; }
h1 { font-size: 34px; letter-spacing: -0.03em; margin: 8px 0 12px; }
.lead { color: var(--muted); max-width: 36em; }
.btn {
  display: inline-block;
  margin-top: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 8px;
  border: 0;
  cursor: pointer;
  font: inherit;
}
.btn.danger { background: var(--danger); }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--line); }

.wrap { max-width: 920px; margin: 0 auto; padding: 28px 18px 48px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 18px;
  margin-top: 16px;
}
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
input[type=text], input[type=password] {
  width: 100%;
  max-width: 360px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
}
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; margin-top: 10px; }
table { width: 100%; border-collapse: collapse; margin-top: 8px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; font-size: 14px; }
th { color: var(--muted); font-size: 12px; }
code, .mono { font-family: ui-monospace, Consolas, monospace; font-size: 12px; word-break: break-all; }
.flash {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  padding: 12px 14px;
  border-radius: 8px;
  margin-top: 12px;
}
.err {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  padding: 10px 12px;
  border-radius: 8px;
  margin-top: 10px;
}
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.muted { color: var(--muted); }
.cards { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.cards .card b { display: block; font-size: 22px; color: var(--accent); }
.cards .card span { font-size: 12px; color: var(--muted); text-transform: uppercase; }
input[type=file] { display: block; margin-top: 6px; }