@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Noto+Sans+JP:wght@400;500;700;900&display=swap');

:root {
  --bg-deep: #0b0d14;
  --bg-panel: #12141d;
  --bg-panel-hover: #171a26;
  --border-soft: rgba(147, 161, 224, 0.14);
  --accent: #7ef0c2;
  --accent-dim: rgba(126, 240, 194, 0.14);
  --accent-strong: #4fd8a0;
  --text-primary: #eef1fb;
  --text-secondary: #9aa1bd;
  --text-faint: #5b6284;
  --danger: #ff6b7a;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 9px;
  --font-display: 'Space Grotesk', 'Noto Sans JP', sans-serif;
  --font-body: 'Noto Sans JP', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% -10%, rgba(126, 240, 194, 0.08), transparent 45%),
    radial-gradient(circle at 90% 10%, rgba(99, 102, 241, 0.10), transparent 40%),
    var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Grid backdrop ---------- */
.grid-backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at 50% 0%, black, transparent 70%);
}

/* ---------- Header / status bar ---------- */
.statusbar {
  padding: 22px 0 0;
}

.statusbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 18px;
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: 100px;
}

.brand {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand strong {
  color: var(--text-primary);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(126, 240, 194, 0.6);
  animation: pulse 2.2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(126, 240, 194, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(126, 240, 194, 0); }
  100% { box-shadow: 0 0 0 0 rgba(126, 240, 194, 0); }
}

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 22px;
}

.hero-avatar-wrap {
  position: relative;
  width: 132px;
  height: 132px;
}

.hero-avatar {
  width: 132px;
  height: 132px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-soft);
  background: var(--bg-panel);
}

.hero-avatar-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px dashed rgba(126, 240, 194, 0.35);
  animation: spin 30s linear infinite;
}

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

.hero-online {
  position: absolute;
  bottom: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  background: var(--accent);
  border: 3px solid var(--bg-deep);
  border-radius: 50%;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 2.7rem);
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent);
  margin: 0;
}

.hero-tagline::before {
  content: '> ';
  color: var(--text-faint);
}

.hero-bio {
  max-width: 480px;
  color: var(--text-secondary);
  font-size: 1rem;
  margin: 0;
  white-space: pre-line;
}

/* ---------- Link buttons row (SNS) ---------- */
.social-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 4px;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-primary);
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
}

.social-btn:hover {
  border-color: var(--accent);
  background: var(--bg-panel-hover);
  transform: translateY(-2px);
}

.social-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ---------- Section ---------- */
.section {
  padding: 30px 0;
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 20px;
}

.section-index {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-faint);
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0;
}

/* ---------- Work cards ---------- */
.works-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.work-card {
  display: block;
  padding: 20px 22px;
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
  position: relative;
  overflow: hidden;
}

.work-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(126, 240, 194, 0.05), transparent);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.work-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  background: var(--bg-panel-hover);
}

.work-card:hover::before {
  opacity: 1;
}

.work-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.work-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  margin: 0;
}

.work-arrow {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: transform 0.15s ease;
}

.work-card:hover .work-arrow {
  transform: translateX(3px);
}

.work-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin: 0;
}

.work-empty {
  padding: 28px;
  text-align: center;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border: 1px dashed var(--border-soft);
  border-radius: var(--radius-md);
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 40px 0 60px;
  text-align: center;
}

.site-footer p {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  margin: 0 0 12px;
}

.admin-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
  text-decoration: none;
  border-bottom: 1px dotted var(--text-faint);
  padding-bottom: 1px;
  transition: color 0.15s ease;
}

.admin-link:hover {
  color: var(--accent);
}

/* ============================================================
   Admin styles
   ============================================================ */
.admin-body {
  background: var(--bg-deep);
  min-height: 100vh;
}

.admin-shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0;
}

.admin-title span {
  color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  background: var(--bg-panel);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.btn:hover {
  border-color: var(--accent);
  background: var(--bg-panel-hover);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #06110c;
  font-weight: 700;
}

.btn-primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.btn-danger {
  color: var(--danger);
  border-color: rgba(255, 107, 122, 0.3);
}

.btn-danger:hover {
  border-color: var(--danger);
  background: rgba(255, 107, 122, 0.08);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 22px;
}

.panel-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-title::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-family: var(--font-mono);
}

.field input,
.field textarea {
  width: 100%;
  padding: 11px 13px;
  background: var(--bg-deep);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.field textarea {
  min-height: 90px;
}

.item-row {
  padding: 16px;
  background: var(--bg-deep);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
}

.item-row-fields {
  display: grid;
  gap: 10px;
  margin-bottom: 10px;
}

.item-row-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.add-form {
  border-top: 1px dashed var(--border-soft);
  padding-top: 16px;
  margin-top: 16px;
}

.add-form-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-bottom: 12px;
  display: block;
}

.saved-banner {
  padding: 12px 16px;
  background: var(--accent-dim);
  border: 1px solid rgba(126, 240, 194, 0.3);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-size: 0.88rem;
  margin-bottom: 20px;
  font-family: var(--font-mono);
}

/* Login page */
.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-panel {
  width: 100%;
  max-width: 360px;
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
}

.login-panel h1 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 6px;
}

.login-panel p.sub {
  color: var(--text-faint);
  font-size: 0.85rem;
  margin: 0 0 24px;
  font-family: var(--font-mono);
}

.login-error {
  color: var(--danger);
  font-size: 0.85rem;
  margin-bottom: 14px;
  font-family: var(--font-mono);
}

.back-link {
  display: inline-block;
  margin-top: 18px;
  font-size: 0.8rem;
  color: var(--text-faint);
  text-decoration: none;
}

.back-link:hover {
  color: var(--accent);
}

@media (max-width: 480px) {
  .item-row-fields {
    grid-template-columns: 1fr;
  }
}