:root {
  --bg: #1e5dff;
  --paper: #ffffff;
  --ink: #0c1b40;
  --muted: #1f2d4d;
  --accent: #ff8a00;
  --accent-2: #ffe600;
  --border: #0c1b40;
  --shadow: 6px 6px 0 rgba(12, 27, 64, 0.35);
  --radius: 16px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 28px 20px 70px;
  font-family: 'Noto Sans JP', 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  letter-spacing: -0.01em;
}

p {
  margin: 0;
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.topbar {
  max-width: 1200px;
  margin: 0 auto 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  height: 50px;
  width: auto;
  display: block;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.top-link {
  font-size: 18pt;
  font-weight: 400;
  font-family: "Hiragino Sans", "Yu Gothic", Meiryo, Arial, sans-serif;
  color: #fff;
  text-shadow: none;
}

.brand-name {
  font-weight: 900;
  font-size: 20px;
  color: #fff;
  text-shadow: 2px 2px 0 #0c1b40;
}

.brand-sub {
  font-size: 12px;
  color: #e6edff;
}

.pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-2);
  border: 3px solid var(--border);
  box-shadow: var(--shadow);
  font-weight: 800;
}

.eyebrow {
  display: inline-block;
  padding: 6px 12px;
  background: var(--accent-2);
  border: 3px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.grad {
  color: var(--bg);
  text-shadow: 2px 2px 0 #0c1b40;
}

.lede {
  margin-top: 6px;
  color: var(--muted);
}

.controls {
  background: var(--paper);
  border: 4px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 14px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 6px;
}

.option-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-filter-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.option-button {
  padding: 8px 12px;
  font-size: 15px;
  font-weight: 900;
  border: 3px solid var(--border);
  border-radius: 10px;
  background: #f4f7ff;
  color: var(--ink);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.option-button.is-active {
  background: var(--accent-2);
}

.option-button:hover {
  transform: translate(2px, 2px);
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 800;
}

select {
  border: 3px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-weight: 800;
  font-size: 15px;
}

.segmented {
  display: inline-flex;
  background: #f4f7ff;
  border: 3px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.seg-btn {
  border: none;
  background: transparent;
  padding: 10px 12px;
  font-weight: 800;
  color: var(--muted);
  cursor: pointer;
}

.seg-btn.active {
  background: var(--accent-2);
  color: var(--ink);
}

.pill-soft {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-2);
  border: 3px solid var(--border);
  font-weight: 800;
}

.grid-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: #fff;
  text-shadow: 2px 2px 0 #0c1b40;
}

.prompt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 14px;
}

.card {
  background: var(--paper);
  border: 4px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  display: grid;
  gap: 10px;
  box-shadow: var(--shadow);
}

.card-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.title {
  font-size: 18px;
  font-weight: 900;
}

.desc {
  font-size: 15px;
  font-weight: 800;
  color: var(--ink);
  margin-top: 4px;
}

.source {
  font-size: 12px;
  font-weight: 800;
  color: var(--muted);
}

.source a {
  color: var(--ink);
  font-weight: 900;
  text-decoration: underline;
}

.meta {
  color: var(--muted);
  font-size: 13px;
}

.author-link {
  border: none;
  background: transparent;
  color: var(--ink);
  font-weight: 900;
  cursor: pointer;
  text-decoration: underline;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  background: #f4f7ff;
  border: 3px solid var(--border);
  border-radius: 10px;
  padding: 4px 8px;
  font-weight: 800;
  font-size: 12px;
}

.prompt-body {
  background: #f4f7ff;
  border: 3px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  white-space: pre-wrap;
  line-height: 1.5;
  font-weight: 700;
  max-height: calc(1.5em * 5);
  overflow-y: scroll;
  position: relative;
}

.prompt-body::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 26px;
  background: linear-gradient(to bottom, rgba(244, 247, 255, 0), #f4f7ff 85%);
  pointer-events: none;
}

.examples {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.example-box {
  background: #fdf7e6;
  border: 3px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 700;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.actions-inline {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-icon {
  cursor: pointer;
  border: 3px solid var(--border);
  border-radius: 12px;
  background: var(--accent);
  color: #000;
  font-weight: 900;
  padding: 10px 12px;
  box-shadow: var(--shadow);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-icon.primary {
  background: var(--accent-2);
}

.icon-copy {
  width: 18px;
  height: 18px;
  display: block;
}

.count {
  font-size: 13px;
  color: var(--muted);
}

.count-small {
  font-size: 12px;
  color: var(--muted);
  font-weight: 800;
}

/* Admin */
.admin-hero {
  background: var(--paper);
  border: 4px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.admin-status {
  padding: 8px 12px;
  border: 3px solid var(--border);
  border-radius: 12px;
  background: #f4f7ff;
  font-weight: 800;
}

.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.admin-form,
.admin-list {
  background: var(--paper);
  border: 4px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 12px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.form-row label {
  font-weight: 800;
  color: var(--muted);
}

input,
textarea {
  border: 3px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 800;
  box-shadow: var(--shadow);
  background: #f4f7ff;
  resize: vertical;
}

textarea {
  min-height: 120px;
}

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

.btn {
  cursor: pointer;
  border: 3px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 900;
  background: var(--accent);
  color: #000;
  box-shadow: var(--shadow);
  transition: transform 120ms ease;
}

.btn.primary {
  background: var(--accent-2);
}

.btn.ghost {
  background: #f4f7ff;
}

.btn.danger {
  background: #ffb3b3;
}

.btn:hover {
  transform: translate(2px, 2px);
}

.admin-list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

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

.admin-card {
  border: 3px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  background: #f4f7ff;
  display: grid;
  gap: 8px;
}

.admin-card-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.admin-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.prompt-body.small {
  max-height: 160px;
  font-size: 13px;
}

.footer {
  max-width: 1200px;
  margin: 26px auto 0;
  padding: 12px 8px;
  color: #e6edff;
  text-shadow: none;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.footer {
  font-family: "Hiragino Sans", "Yu Gothic", Meiryo, Arial, sans-serif;
  font-size: 14px;
  font-weight: 400;
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  body {
    padding: 20px 12px 60px;
  }

  .controls {
    grid-template-columns: 1fr;
  }

  .examples {
    grid-template-columns: 1fr;
  }

  .admin-grid {
    grid-template-columns: 1fr;
  }

  .form-row.split {
    grid-template-columns: 1fr;
  }
}