:root {
  --bg: #f6f2ea;
  --ink: #1a1e23;
  --card: rgba(255, 255, 255, 0.84);
  --line: rgba(26, 30, 35, 0.12);
  --accent: #e4572e;
  --accent-2: #0f7173;
  --shadow: 0 18px 36px rgba(15, 23, 31, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 10%, rgba(228, 87, 46, 0.22), transparent 42%),
    radial-gradient(circle at 90% 80%, rgba(15, 113, 115, 0.2), transparent 46%),
    linear-gradient(145deg, #f6f2ea, #ece7db);
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  min-height: 100vh;
}

.page {
  width: min(1024px, 92vw);
  margin: 24px auto 40px;
  display: grid;
  gap: 14px;
  animation: enter 480ms ease-out;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 16px;
  backdrop-filter: blur(3px);
}

.hero {
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  right: -40px;
  top: -60px;
  background: radial-gradient(circle, rgba(228, 87, 46, 0.3), transparent 70%);
}

h1,
h2 {
  margin: 0 0 8px;
}

h1 {
  font-size: 1.8rem;
  letter-spacing: 0.02em;
}

h2 {
  font-size: 1.1rem;
}

.kicker {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.sub {
  margin: 0;
  opacity: 0.8;
}

.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(160px, 1fr));
}

label {
  display: grid;
  gap: 4px;
  font-size: 0.92rem;
}

.check {
  margin: 10px 0 8px;
  grid-template-columns: auto 1fr;
  align-items: center;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.95);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

button {
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  transition: transform 160ms ease, filter 160ms ease;
}

button:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
}

button:active {
  transform: translateY(0);
}

.hint {
  margin: 8px 0 0;
  font-size: 0.86rem;
  opacity: 0.78;
}

.gate-hint {
  margin: 2px 2px 0;
}

.admin-panel {
  display: grid;
  gap: 14px;
}

.admin-panel.is-locked {
  display: none;
}

#output {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  background: #151a21;
  color: #f4f7ff;
  border-radius: 10px;
  padding: 12px;
  min-height: 180px;
  max-height: 420px;
  overflow: auto;
}

@media (max-width: 780px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

@keyframes enter {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}