:root {
  color-scheme: light;
  --axis-bg: #f6f3ed;
  --axis-panel: #ffffff;
  --axis-text: #17202a;
  --axis-muted: #617080;
  --axis-line: #d9d3c8;
  --axis-primary: #1687a7;
  --axis-primary-dark: #0f5f76;
  --axis-danger: #9f3b3b;
  --axis-success: #1f8a55;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(22, 135, 167, 0.12), transparent 34rem),
    var(--axis-bg);
  color: var(--axis-text);
}

body {
  padding: 32px 18px;
}

.shell {
  width: min(920px, 100%);
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  color: var(--axis-primary-dark);
  font-weight: 800;
  letter-spacing: 0.18em;
}

.panel {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--axis-line);
  border-radius: 28px;
  padding: clamp(22px, 4vw, 44px);
  box-shadow: 0 24px 80px rgba(23, 32, 42, 0.08);
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.02;
}

h2 {
  margin: 32px 0 10px;
  font-size: 1.15rem;
}

p,
li {
  line-height: 1.65;
}

p {
  margin: 0 0 14px;
}

ul {
  padding-left: 1.2rem;
}

.meta {
  color: var(--axis-muted);
  margin-bottom: 28px;
}

.notice {
  border-left: 4px solid var(--axis-primary);
  background: rgba(22, 135, 167, 0.08);
  padding: 14px 16px;
  border-radius: 16px;
  margin: 22px 0;
}

.danger {
  border-left-color: var(--axis-danger);
  background: rgba(159, 59, 59, 0.08);
}

a {
  color: var(--axis-primary-dark);
  font-weight: 700;
}

label {
  display: block;
  margin: 16px 0 6px;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--axis-line);
  border-radius: 16px;
  padding: 13px 14px;
  font: inherit;
  color: var(--axis-text);
  background: #fff;
}

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

.check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 18px 0;
  font-weight: 500;
}

.check input {
  width: auto;
  margin-top: 5px;
}

.hp {
  position: absolute;
  left: -9999px;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 13px 22px;
  background: var(--axis-primary);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
}

button:disabled {
  opacity: 0.62;
  cursor: wait;
}

.status {
  margin-top: 16px;
  font-weight: 700;
}

.status.ok {
  color: var(--axis-success);
}

.status.err {
  color: var(--axis-danger);
}

.footer {
  margin-top: 24px;
  color: var(--axis-muted);
  font-size: 0.92rem;
}

@media (max-width: 560px) {
  body {
    padding: 18px 12px;
  }

  .panel {
    border-radius: 22px;
  }
}