:root {
  --ink: #14201c;
  --muted: #66726d;
  --line: #dfe6e2;
  --bg: #eef3f0;
  --green: #0b7a53;
  --green-dark: #075f41;
  --green-soft: #e1f5ec;
  --red: #b3261e;
  --red-soft: #fbe9e7;
  --amber: #8a5400;
  --amber-soft: #fff3d6;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 5%, rgba(11,122,83,.12), transparent 24rem),
    linear-gradient(155deg, #f7faf8 0%, var(--bg) 100%);
}
.page { width: min(100% - 32px, 720px); margin: 0 auto; padding: 56px 0; }
.page.wide { width: min(100% - 32px, 1180px); }
.card {
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(20,32,28,.08);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 18px 50px rgba(37,65,53,.09);
}
.narrow { max-width: 480px; margin: 8vh auto 0; }
.center { text-align: center; }
h1, h2 { margin: 0; letter-spacing: -.035em; }
h1 { font-size: clamp(2rem, 6vw, 3rem); line-height: 1.05; }
h2 { margin-bottom: 20px; font-size: 1.45rem; }
p { line-height: 1.55; }
.muted { color: var(--muted); }
.eyebrow {
  margin-bottom: 9px;
  color: var(--green);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.gate-mark {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin: 0 auto 24px;
  color: white;
  background: var(--green);
  border-radius: 18px;
  font-size: 2rem;
  font-weight: 900;
  box-shadow: 0 12px 24px rgba(11,122,83,.25);
}
.muted-mark { background: #7c8983; box-shadow: none; }
.stack { display: grid; gap: 17px; margin-top: 24px; }
label { display: grid; gap: 7px; color: #35413d; font-size: .9rem; font-weight: 700; }
input {
  width: 100%;
  border: 1px solid #cbd5d0;
  border-radius: 13px;
  padding: 13px 14px;
  color: var(--ink);
  background: white;
  font: inherit;
  outline: none;
}
input:focus { border-color: var(--green); box-shadow: 0 0 0 4px rgba(11,122,83,.12); }
.button {
  border: 0;
  border-radius: 13px;
  padding: 12px 17px;
  color: var(--ink);
  background: #e8eeeb;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}
.button:disabled { cursor: wait; opacity: .65; }
.button.primary, .gate-button { color: white; background: var(--green); }
.button.ghost { border: 1px solid var(--line); background: transparent; }
.button.danger { color: var(--red); background: var(--red-soft); }
.button.small { padding: 8px 10px; font-size: .82rem; }
.text-link { display: inline-block; margin-top: 18px; color: var(--green); font-weight: 700; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.admin-grid {
  display: grid;
  grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr);
  gap: 22px;
  margin: 22px 0;
}
.field-grid, .secret-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.secret-grid { grid-template-columns: minmax(0,1fr) 150px; margin: 18px 0; }
.pin-output { text-align: center; font-size: 1.35rem; font-weight: 900; letter-spacing: .13em; }
.notice { margin: 18px 0; padding: 13px 15px; border-radius: 13px; line-height: 1.4; }
.notice.error { color: #81211b; background: var(--red-soft); }
.notice.warning { color: var(--amber); background: var(--amber-soft); }
.notice.success { color: #075c3e; background: var(--green-soft); }
.created-card { border-color: rgba(11,122,83,.28); }
.access-list { display: grid; gap: 2px; max-height: 430px; overflow-y: auto; }
.access-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.meta { margin-top: 5px; color: var(--muted); font-size: .82rem; }
.badge {
  display: inline-flex;
  padding: 5px 8px;
  border-radius: 99px;
  color: var(--green-dark);
  background: var(--green-soft);
  font-size: .74rem;
  font-weight: 800;
}
.muted-badge { color: #59645f; background: #edf0ef; }
.result-denied, .result-error, .result-blocked { color: var(--red); background: var(--red-soft); }
.result-cooldown { color: var(--amber); background: var(--amber-soft); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { padding: 12px 10px; text-align: left; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-size: .75rem; text-transform: uppercase; }
.guest-card { text-align: center; }
.guest-name { margin: 14px 0 4px; font-size: 1.1rem; font-weight: 800; }
.validity { color: var(--muted); font-size: .88rem; }
.guest-form { text-align: left; }
.pin-input { padding: 15px; text-align: center; font-size: 1.6rem; font-weight: 900; letter-spacing: .25em; }
.gate-button { min-height: 68px; font-size: 1.15rem; }
.safety-note { color: var(--muted); font-size: .82rem; }
.success-mark {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin: 24px auto 15px;
  color: white;
  background: var(--green);
  border-radius: 50%;
  font-size: 2.4rem;
  font-weight: 900;
}

@media (max-width: 760px) {
  .page { padding: 24px 0; }
  .narrow { margin-top: 4vh; }
  .card { padding: 22px; border-radius: 20px; }
  .admin-grid, .field-grid, .secret-grid { grid-template-columns: 1fr; }
  .topbar { align-items: flex-start; }
  .pin-output { text-align: left; }
}