/* ============================================
   PPVDB Portal — Portfolio Style
   オフホワイト基調・セリフ見出し・装飾控えめ
   ============================================ */

:root {
  --color-bg:        #f7f3ec;
  --color-bg-alt:    #efe9de;
  --color-surface:   #fffdf8;
  --color-ink:       #1a1a1a;
  --color-ink-soft:  #4a4a4a;
  --color-muted:     #8a8378;
  --color-line:      #d6cfc0;
  --color-accent:    #8b4513;
  --color-accent-2:  #b76b3a;

  --font-serif:      'Noto Serif JP', 'Cormorant Garamond', 'Times New Roman', serif;
  --font-serif-en:   'Cormorant Garamond', 'Noto Serif JP', serif;
  --font-sans:       'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;

  --max-w:           1080px;
  --max-w-narrow:    760px;
  --space-1:         0.5rem;
  --space-2:         1rem;
  --space-3:         1.5rem;
  --space-4:         2.5rem;
  --space-5:         4rem;
  --space-6:         6rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--color-ink); text-decoration: none; }
a:hover { color: var(--color-accent); }

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

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-3);
}
.container.narrow { max-width: var(--max-w-narrow); }

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-bg);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  min-height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.brand-mark {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-ink);
  font-family: var(--font-serif-en);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.brand-text {
  font-family: var(--font-serif-en);
  font-size: 1.15rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.site-nav {
  display: flex;
  gap: var(--space-3);
  font-family: var(--font-serif-en);
  letter-spacing: 0.08em;
  font-size: 0.95rem;
}

/* ---------- Hero ---------- */

.hero {
  padding: var(--space-6) 0 var(--space-5);
  border-bottom: 1px solid var(--color-line);
}
.hero-eyebrow {
  font-family: var(--font-serif-en);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin: 0 0 var(--space-3);
}
.hero-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.4;
  letter-spacing: 0.04em;
  margin: 0 0 var(--space-3);
}
.hero-lead {
  font-size: 1.05rem;
  line-height: 2;
  color: var(--color-ink-soft);
  margin: 0;
  max-width: 640px;
}

/* ---------- Sections ---------- */

.section {
  padding: var(--space-6) 0;
}
.section-alt {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}
.section-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: var(--space-4);
  position: relative;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-line);
}
.section-no {
  font-family: var(--font-serif-en);
  font-size: 0.9rem;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  margin-bottom: 0.4rem;
}
.section-title {
  font-family: var(--font-serif-en);
  font-weight: 500;
  font-size: 2.2rem;
  letter-spacing: 0.08em;
  margin: 0 0 0.3rem;
  text-transform: uppercase;
}
.section-sub {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-muted);
  letter-spacing: 0.05em;
}

/* ---------- Grid / Cards ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
  gap: var(--space-4);
}
@media (max-width: 720px) {
  .grid { grid-template-columns: 1fr; gap: var(--space-3); }
}
.loading {
  color: var(--color-muted);
  font-style: italic;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition: border-color 0.2s ease;
}
.card:hover {
  border-color: var(--color-accent-2);
}
.card-thumb-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  position: relative;
  overflow: hidden;
}
.card-thumb-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-thumb-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-thumb-placeholder::before,
.card-thumb-placeholder::after {
  content: '';
  position: absolute;
  background: var(--color-line);
}
.card-thumb-placeholder::before { left: 12%; right: 12%; top: 50%; height: 1px; }
.card-thumb-placeholder::after  { top: 12%; bottom: 12%; left: 50%; width: 1px; }
.card-thumb-frame img:not([src=""]) ~ .card-thumb-placeholder { display: none; }

.card-tagline {
  font-family: var(--font-serif-en);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--color-accent);
  margin: 0;
}
.card-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  margin: 0;
  letter-spacing: 0.04em;
}
.card-title a:hover {
  color: var(--color-accent);
}
.card-desc {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 0.95rem;
  line-height: 1.9;
  white-space: pre-line;
}
.card-tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.card-tags li {
  font-family: var(--font-serif-en);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid var(--color-line);
  padding: 0.2rem 0.6rem;
  color: var(--color-muted);
}
.card-url {
  margin: 0;
  padding-top: var(--space-2);
  border-top: 1px dashed var(--color-line);
  font-size: 0.85rem;
}
.card-url a {
  font-family: var(--font-serif-en);
  letter-spacing: 0.08em;
  color: var(--color-accent);
  word-break: break-all;
}
.card-url a::after {
  content: ' →';
  font-family: inherit;
}

/* ---------- Prose ---------- */

.prose p {
  margin: 0 0 var(--space-2);
  color: var(--color-ink-soft);
  line-height: 2;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--color-line);
  padding: var(--space-3) 0;
  background: var(--color-bg);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--color-muted);
}
.footer-link a {
  font-family: var(--font-serif-en);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.footer-link a:hover { color: var(--color-accent); }

/* ---------- Admin (login + dashboard) ---------- */

.admin-body {
  background: var(--color-bg);
  min-height: 100vh;
}
.admin-wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-3);
}
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-line);
  margin-bottom: var(--space-4);
}
.admin-title {
  font-family: var(--font-serif-en);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-size: 1.2rem;
  margin: 0;
}
.admin-actions a {
  font-family: var(--font-serif-en);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--color-muted);
}
.admin-actions a:hover { color: var(--color-accent); }

.admin-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
}
.admin-card h2 {
  font-family: var(--font-serif);
  margin: 0 0 var(--space-2);
  font-size: 1.2rem;
}
.form-row { margin-bottom: var(--space-2); }
.form-row label {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--color-ink-soft);
  margin-bottom: 0.3rem;
}
.form-row input[type="text"],
.form-row input[type="url"],
.form-row input[type="password"],
.form-row input[type="number"],
.form-row textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--color-line);
  background: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-ink);
}
.form-row textarea { min-height: 110px; resize: vertical; }
.form-row .hint {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin: 0.3rem 0 0;
}
.form-actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  margin-top: var(--space-2);
}
.btn {
  display: inline-block;
  padding: 0.6rem 1.4rem;
  background: var(--color-ink);
  color: var(--color-bg);
  border: 1px solid var(--color-ink);
  font-family: var(--font-serif-en);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-size: 0.85rem;
  cursor: pointer;
}
.btn:hover { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.btn.btn-ghost {
  background: transparent;
  color: var(--color-ink);
}
.btn.btn-ghost:hover { background: var(--color-bg-alt); color: var(--color-ink); }
.btn.btn-danger {
  background: transparent;
  color: #a13c2a;
  border-color: #a13c2a;
}
.btn.btn-danger:hover { background: #a13c2a; color: #fff; }

.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  font-size: 0.92rem;
}
.admin-table th,
.admin-table td {
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
}
.admin-table th {
  background: var(--color-bg-alt);
  font-family: var(--font-serif-en);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--color-ink-soft);
}
.admin-table tr:last-child td { border-bottom: 0; }
.admin-table .row-actions {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.admin-table .row-actions form { margin: 0; display: inline; }
.badge {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--color-line);
  color: var(--color-muted);
}
.badge.published { color: #1f6b3a; border-color: #1f6b3a; }
.badge.draft     { color: #a13c2a; border-color: #a13c2a; }

.flash {
  padding: var(--space-2);
  margin-bottom: var(--space-3);
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  font-size: 0.95rem;
}
.flash.ok    { border-color: #1f6b3a; color: #1f6b3a; }
.flash.error { border-color: #a13c2a; color: #a13c2a; }

.login-wrap {
  max-width: 380px;
  margin: 8vh auto;
  padding: var(--space-4) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
}
.login-wrap h1 {
  font-family: var(--font-serif-en);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-align: center;
  font-size: 1.3rem;
  margin: 0 0 var(--space-3);
}