:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #17202a;
  --muted: #5c6672;
  --line: #dfe4ea;
  --accent: #e0525d;
  --accent-dark: #be3140;
  --accent-soft: #fff1f2;
  --accent-line: #fecdd3;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px clamp(20px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
}

.brand {
  font-weight: 800;
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.95rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.nav a:hover {
  color: var(--text);
}

.nav-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark) !important;
  font-weight: 800;
}

.nav-action:hover {
  border-color: var(--accent);
  background: #ffffff;
}

.page {
  width: min(980px, calc(100% - 40px));
  margin: 56px auto;
}

.panel {
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 18px 45px rgba(23, 32, 42, 0.08);
}

.panel.narrow {
  max-width: 520px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.05;
}

.lede {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.6;
}

.lede.small {
  font-size: 0.95rem;
}

.lede.small a {
  color: var(--accent-dark);
  font-weight: 700;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.button:hover,
button:hover {
  background: var(--accent-dark);
}

button:disabled,
button[aria-disabled="true"] {
  cursor: progress;
  opacity: 0.68;
}

button:disabled:hover,
button[aria-disabled="true"]:hover {
  background: var(--accent);
}

.button.secondary {
  background: #ffffff;
  color: var(--accent-dark);
}

.secondary-button {
  border-color: var(--line);
  background: #ffffff;
  color: var(--accent-dark);
}

.inline-form {
  margin-top: 24px;
}

.form {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

label {
  color: var(--muted);
  font-weight: 700;
}

input {
  min-height: 44px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  outline: none;
}

.notice {
  margin: 20px 0 0;
  padding: 12px 14px;
  border: 1px solid var(--accent-line);
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.notice.error {
  border-color: #fecaca;
  background: #fef2f2;
  color: #991b1b;
}

.section {
  margin-top: 28px;
}

.section h2 {
  margin: 0 0 16px;
  font-size: 1.35rem;
}

.key-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.key-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.key-card h3 {
  margin: 0;
  font-size: 1.2rem;
}

.key-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px;
  align-items: center;
  gap: 12px;
}

.license-key-value {
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.license-key-value[data-visible="true"] {
  cursor: copy;
}

.icon-button {
  width: 44px;
  min-height: 44px;
  padding: 0;
  border-color: var(--line);
  background: #ffffff;
  color: var(--accent-dark);
}

.icon-button:hover {
  background: var(--accent-soft);
}

.icon-button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.icon-button .eye-off-icon {
  display: none;
}

.icon-button[aria-pressed="true"] .eye-icon {
  display: none;
}

.icon-button[aria-pressed="true"] .eye-off-icon {
  display: block;
}

.key-details {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
}

.copy-message {
  min-height: 20px;
  margin: 10px 0 0;
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: 700;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.copy-message.is-visible {
  opacity: 1;
  transition: opacity 0.18s ease;
}

.key-details div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.key-details dt {
  color: var(--muted);
  font-weight: 700;
}

.key-details dd {
  margin: 0;
  text-align: right;
}

.renewal-actions {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.renewal-title {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.renewal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.renewal-button {
  width: 100%;
  min-height: 40px;
  padding: 0 12px;
  background: #ffffff;
  color: var(--accent-dark);
}

.renewal-button:hover {
  background: var(--accent-soft);
}

.renewal-button:disabled,
.renewal-button[aria-disabled="true"] {
  border-color: var(--accent-line);
  background: #f9fafb;
  color: var(--muted);
}

.renewal-button.is-processing {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.renewal-status {
  min-height: 20px;
  margin: 12px 0 0;
  color: var(--accent-dark);
  font-size: 0.88rem;
  font-weight: 700;
  opacity: 0;
  transition: opacity 0.18s ease;
}

.renewal-status.is-visible {
  opacity: 1;
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .page {
    margin-top: 28px;
  }
}