/* 共通: docs/mapping.md のトークンに準拠 */
:root {
  --color-bg: #0D0F14;
  --color-surface: #161921;
  --color-surface-2: #1E2230;
  --color-surface-3: #252A3A;
  --color-border: #2C3045;
  --color-border-light: #363C52;
  --color-primary: #F0A500;
  --color-primary-dim: #C98A00;
  --color-primary-glow: rgba(240, 165, 0, 0.15);
  --color-text: #E8ECF4;
  --color-text-muted: #8892A4;
  --color-text-dim: #525C70;
  --color-success: #22C55E;
  --color-danger: #EF4444;
  --color-warning: #F59E0B;
  --color-info: #3B82F6;
  --font-base: "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  --font-mono: "SF Mono", Menlo, Consolas, monospace;
  --radius-lg: 14px;
  --shadow-base: 0 4px 16px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-base);
  font-size: 15px;
  line-height: 1.5;
}
a { color: var(--color-primary); }
a.nav-unread { font-weight: 700; min-width: 1.25em; text-align: center; display: inline-block; }
a.nav-unread:hover { text-decoration: underline; }
.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 10px;
  font-weight: 600;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
}
.btn-primary { background: var(--color-primary); color: #0D0F14; }
.btn-primary:hover { background: var(--color-primary-dim); }

/* ログイン */
body.login-body { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-wrap { width: min(420px, 92vw); }
.login-title { margin: 0; font-size: 1.4rem; }
.login-lead { color: var(--color-text-muted); margin: 0.5rem 0 1.25rem; }
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-base);
}
.field { display: block; margin: 0.75rem 0; }
.field span { display: block; font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 0.3rem; }
input[type="email"], input[type="password"], input[type="text"] {
  width: 100%;
  padding: 0.55rem 0.6rem;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  color: var(--color-text);
  font: inherit;
}
select, textarea, input.text-input {
  width: 100%;
  padding: 0.55rem 0.6rem;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  color: var(--color-text);
  font: inherit;
}
textarea { min-height: 6.5rem; resize: vertical; }
input:focus { outline: 2px solid var(--color-primary); outline-offset: 0; }
select:focus, textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 0; }
.form-error { color: #fecaca; }
.toast-err { color: #fecaca; background: rgba(239, 68, 68, 0.12); border: 1px solid rgba(239, 68, 68, 0.4); border-radius: 8px; padding: 0.5rem 0.75rem; }
.btn--danger, .btn.btn-danger { background: #b91c1c; color: #f8fafc; }
.btn--danger:hover, .btn.btn-danger:hover { background: #991b1b; }

/* アップロード */
.upload-box {
  margin-top: 1rem;
  padding: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-width: 42rem;
}
.file-label {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.45rem 0.9rem;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  cursor: pointer;
  color: var(--color-text);
  font-size: 0.95rem;
}
.file-label:hover { border-color: var(--color-border-light); }
.file-input { position: absolute; width: 0; height: 0; opacity: 0; }
.progress-wrap {
  height: 8px;
  background: var(--color-surface-3);
  border-radius: 4px;
  overflow: hidden;
  margin: 0.5rem 0 0.75rem;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary-dim), var(--color-primary));
  transition: width 0.15s ease;
}

/* 管理ギャラリー（グリッド） */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
  margin: 1rem 0 1.5rem;
}
.gallery-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.gallery-card:hover {
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-base);
}
.gallery-thumb {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-2);
  overflow: hidden;
}
.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gallery-placeholder {
  color: var(--color-text-dim);
  font-size: 0.8rem;
  text-align: center;
  padding: 0.5rem;
  line-height: 1.35;
}
.gallery-cap {
  padding: 0.5rem 0.6rem 0.65rem;
  font-size: 0.8rem;
}
.gallery-cap .mono { font-family: var(--font-mono); color: var(--color-text-muted); }
.gallery-group-tag {
  display: inline-block;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
}

/* A/B 比較 */
.ab-compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin: 1rem 0 2rem;
  align-items: start;
}
.ab-compare-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.ab-compare-preview {
  background: #0a0c10;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ab-compare-preview a { display: block; width: 100%; }
.ab-compare-img {
  display: block;
  width: 100%;
  max-height: 280px;
  object-fit: contain;
}
.ab-compare-video {
  display: block;
  width: 100%;
  max-height: 220px;
}
.ab-compare-skip {
  padding: 1.5rem 0.75rem;
  text-align: center;
  font-size: 0.85rem;
}
.ab-compare-meta { padding: 0.6rem 0.75rem 0.75rem; font-size: 0.85rem; }
.ab-compare-fname { margin-top: 0.25rem; word-break: break-all; }
.ab-compare-id { text-decoration: none; color: var(--color-primary); }
.ab-compare-id:hover { text-decoration: underline; }

ul.rights-list { margin: 0.5rem 0 0; padding-left: 1.2rem; }
ul.rights-list li { margin: 0.25rem 0; }