:root {
  color-scheme: light;
  background: linear-gradient(180deg, #E8F3FF 0%, #F7FBFF 100%);
  color: #0F2A5A;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, rgba(0, 107, 255, 0.12), transparent 36%), linear-gradient(180deg, #F5F9FF 0%, #EEF6FF 100%);
}

.page,
.admin-page {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.hero {
  width: min(520px, 100%);
  padding: 32px;
  border: 1px solid rgba(40, 112, 255, 0.18);
  background: rgba(255, 255, 255, 0.9);
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(20, 72, 154, 0.08);
  text-align: center;
}

.admin-hero {
  text-align: left;
  width: min(760px, 100%);
}

.subtitle {
  margin: 0 0 14px;
  color: #0C4B9E;
  font-size: 0.95rem;
  font-weight: 600;
}

h1 {
  margin: 0 0 24px;
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: 0.04em;
}

.button-list,
#adminList {
  display: grid;
  gap: 16px;
}

.admin-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px solid rgba(0, 96, 255, 0.18);
  background: rgba(255, 255, 255, 0.92);
}

.admin-row {
  flex-wrap: wrap;
  justify-content: space-between;
}

.admin-actions {
  display: flex;
  gap: 10px;
}

button,
input[type="submit"] {
  border: none;
  cursor: pointer;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
}

.primary-button {
  color: #fff;
  background: #0962ff;
}

.secondary-button {
  color: #0955d5;
  background: #eef4ff;
}

.form-row {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

label {
  font-size: 0.95rem;
  font-weight: 600;
}

input[type="text"],
input[type="password"],
input[type="url"],
select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(13, 79, 181, 0.18);
  border-radius: 14px;
  background: #fff;
  font-size: 1rem;
  color: #0f2a5a;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="url"]:focus,
select:focus {
  outline: none;
  border-color: rgba(9, 98, 255, 0.6);
  box-shadow: 0 0 0 4px rgba(9, 98, 255, 0.08);
}

.admin-form {
  width: 100%;
}

.admin-form .form-row {
  margin-bottom: 18px;
}

.admin-form button[type="submit"] {
  width: 100%;
  margin-top: 8px;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

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

.eyebrow {
  margin: 0 0 7px;
  color: #3470c8;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.status-badge {
  flex-shrink: 0;
  padding: 7px 10px;
  border: 1px solid rgba(20, 155, 113, 0.2);
  border-radius: 999px;
  color: #087d59;
  background: #ecfbf5;
  font-size: 0.78rem;
  font-weight: 700;
}

.note {
  margin-top: 18px;
  color: #4f6b94;
  font-size: 0.95rem;
}

.link-manager {
  margin-top: 30px;
  padding-top: 28px;
  border-top: 1px solid rgba(13, 79, 181, 0.12);
}

.link-form {
  margin-bottom: 24px;
  padding: 20px;
  border-radius: 16px;
  background: #f7faff;
}

.admin-list {
  display: grid;
  gap: 12px;
}

.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-content: center;
  gap: 16px;
  background: rgba(245, 249, 255, 0.96);
  color: #0f2a5a;
  text-align: center;
}

.loading-screen p {
  margin: 0;
  font-weight: 600;
}

.loading-spinner {
  width: 42px;
  height: 42px;
  margin: 0 auto;
  border: 4px solid #cfe0fa;
  border-top-color: #0962ff;
  border-radius: 50%;
  animation: loading-spin 0.8s linear infinite;
}

@keyframes loading-spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 520px) {
  .hero,
  .admin-hero {
    padding: 24px;
  }

  .section-heading {
    align-items: flex-start;
  }
}