/* ============================================
   ともしび書店 おすすめ本マップ - メインスタイル
   ============================================ */

:root {
  --primary: #ff6b35;
  --primary-light: #ff8c5a;
  --primary-dark: #e55a2b;
  --secondary: #4ecdc4;
  --accent: #ffe66d;
  --bg-main: #fff9f0;
  --bg-card: #ffffff;
  --bg-nav: #2c1810;
  --text-dark: #2c1810;
  --text-mid: #5a3e35;
  --text-light: #8b7266;
  --border: #f0ddd2;
  --shadow-sm: 0 2px 8px rgba(44,24,16,0.08);
  --shadow-md: 0 4px 20px rgba(44,24,16,0.12);
  --shadow-lg: 0 8px 40px rgba(44,24,16,0.18);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* ジャンル別カラー */
  --genre-adventure: #ff6b35;
  --genre-friendship: #4ecdc4;
  --genre-horror: #7c5cbf;
  --genre-fantasy: #f7b731;
  --genre-funny: #26de81;
  --genre-animal: #fd9644;
  --genre-science: #45aaf2;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Zen Maru Gothic', 'Noto Sans JP', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-dark);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ============ ナビゲーション ============ */
.navbar {
  background: var(--bg-nav);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
}

.navbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 64px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
}

.navbar-brand .logo-icon {
  font-size: 28px;
  filter: drop-shadow(0 0 6px rgba(255,107,53,0.7));
}

.navbar-brand .logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
}

.navbar-brand .logo-sub {
  font-size: 0.65rem;
  color: #ffb99e;
  font-weight: 400;
  display: block;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.navbar-nav a {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #ffcab8;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: var(--radius-full);
  transition: all 0.2s;
}

.navbar-nav a:hover,
.navbar-nav a.active {
  background: rgba(255,107,53,0.25);
  color: #fff;
}

.navbar-nav a i {
  font-size: 0.95rem;
}

/* ログインボタン */
.btn-login {
  background: var(--primary);
  color: #fff !important;
  padding: 8px 18px !important;
  font-weight: 700 !important;
  border-radius: var(--radius-full) !important;
}

.btn-login:hover {
  background: var(--primary-light) !important;
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  object-fit: cover;
  cursor: pointer;
  transition: transform 0.2s;
}

.user-avatar:hover {
  transform: scale(1.08);
}

.user-name {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============ ヒーローバナー ============ */
.hero-banner {
  background: linear-gradient(135deg, #2c1810 0%, #6b3a2a 40%, #ff6b35 100%);
  padding: 48px 20px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(255,230,109,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-deco {
  font-size: 3rem;
  margin-bottom: 10px;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero-title {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
  line-height: 1.3;
  margin-bottom: 8px;
}

.hero-subtitle {
  color: #ffcab8;
  font-size: 0.95rem;
  margin-bottom: 28px;
}

/* ============ 検索バー ============ */
.search-container {
  max-width: 560px;
  margin: 0 auto;
  position: relative;
}

.search-bar {
  width: 100%;
  padding: 14px 54px 14px 20px;
  border-radius: var(--radius-full);
  border: none;
  font-size: 1rem;
  font-family: inherit;
  box-shadow: var(--shadow-lg);
  outline: none;
  color: var(--text-dark);
  transition: box-shadow 0.2s;
}

.search-bar:focus {
  box-shadow: 0 8px 40px rgba(255,107,53,0.35);
}

.search-icon {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  font-size: 1.1rem;
  pointer-events: none;
}

/* ============ メインコンテンツ ============ */
.main-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px;
}

/* ============ ジャンルタブ ============ */
.genre-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  align-items: center;
}

.genre-tab {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  background: var(--bg-card);
  color: var(--text-mid);
  font-size: 0.88rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.genre-tab:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.genre-tab.active {
  color: #fff;
  border-color: transparent;
}

.genre-tab[data-genre="all"].active { background: var(--text-dark); }
.genre-tab[data-genre="冒険もの"].active { background: var(--genre-adventure); }
.genre-tab[data-genre="友情もの"].active { background: var(--genre-friendship); color: #fff; }
.genre-tab[data-genre="怖い話"].active { background: var(--genre-horror); }
.genre-tab[data-genre="ふしぎ・ファンタジー"].active { background: var(--genre-fantasy); color: var(--text-dark); }
.genre-tab[data-genre="笑えるはなし"].active { background: var(--genre-funny); color: var(--text-dark); }
.genre-tab[data-genre="どうぶつ"].active { background: var(--genre-animal); }
.genre-tab[data-genre="のりもの・科学"].active { background: var(--genre-science); }

/* ジャンルタブの色（非アクティブ時） */
.genre-tab[data-genre="冒険もの"] { border-color: var(--genre-adventure); color: var(--genre-adventure); }
.genre-tab[data-genre="友情もの"] { border-color: var(--genre-friendship); color: var(--genre-friendship); }
.genre-tab[data-genre="怖い話"] { border-color: var(--genre-horror); color: var(--genre-horror); }
.genre-tab[data-genre="ふしぎ・ファンタジー"] { border-color: var(--genre-fantasy); color: var(--genre-fantasy); }
.genre-tab[data-genre="笑えるはなし"] { border-color: var(--genre-funny); color: var(--genre-funny); }
.genre-tab[data-genre="どうぶつ"] { border-color: var(--genre-animal); color: var(--genre-animal); }
.genre-tab[data-genre="のりもの・科学"] { border-color: var(--genre-science); color: var(--genre-science); }

/* ============ 本カードグリッド ============ */
.books-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.books-count {
  font-size: 0.88rem;
  color: var(--text-light);
  font-weight: 600;
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

/* ============ 本カード ============ */
.book-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all 0.25s;
  text-decoration: none;
  color: inherit;
  display: block;
  position: relative;
}

.book-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.book-cover-wrap {
  position: relative;
  width: 100%;
  padding-top: 133%; /* 3:4 aspect ratio */
  overflow: hidden;
  background: #f5ece6;
}

.book-cover {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.book-card:hover .book-cover {
  transform: scale(1.06);
}

.book-genre-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  backdrop-filter: blur(4px);
  z-index: 1;
}

.book-read-count {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(44,24,16,0.75);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 3px;
  backdrop-filter: blur(4px);
  z-index: 1;
}

.book-info {
  padding: 12px 14px 14px;
}

.book-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.4;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 5px;
}

.star {
  font-size: 0.85rem;
  color: #ddd;
}

.star.filled {
  color: #f7b731;
}

.book-recommender {
  font-size: 0.78rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 4px;
}

.book-recommender i {
  color: var(--primary);
  font-size: 0.78rem;
}

/* ============ 空状態 ============ */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
}

.empty-state .empty-icon {
  font-size: 4rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state p {
  font-size: 1rem;
  font-weight: 600;
}

/* ============ ローディング ============ */
.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  color: var(--text-light);
  gap: 16px;
  grid-column: 1 / -1;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ============ ボタン共通 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  border: none;
  font-size: 0.92rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(255,107,53,0.4);
}

.btn-secondary {
  background: var(--secondary);
  color: #fff;
}

.btn-secondary:hover {
  background: #3dbdb4;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--text-mid);
  border: 2px solid var(--border);
}

.btn-ghost:hover {
  background: var(--border);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 7px 16px;
  font-size: 0.82rem;
}

/* ============ フッター ============ */
.footer {
  background: var(--bg-nav);
  color: #8b7266;
  text-align: center;
  padding: 24px 20px;
  font-size: 0.82rem;
  margin-top: 60px;
}

.footer a {
  color: var(--primary-light);
  text-decoration: none;
}

/* ============ トースト通知 ============ */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background: var(--text-dark);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toastIn 0.3s ease;
  max-width: 320px;
  pointer-events: auto;
}

.toast.success { border-left: 4px solid var(--secondary); }
.toast.error { border-left: 4px solid #ff4757; }
.toast.info { border-left: 4px solid var(--accent); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(60px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(60px); }
}

.toast.out { animation: toastOut 0.3s ease forwards; }

/* ============ モーダル ============ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.2s;
}

.modal-box {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 36px;
  max-width: 440px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s ease;
  text-align: center;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.modal-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-dark);
}

.modal-desc {
  font-size: 0.92rem;
  color: var(--text-light);
  margin-bottom: 24px;
  line-height: 1.7;
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* ============ フォーム ============ */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-mid);
  margin-bottom: 6px;
}

.form-label .required {
  color: var(--primary);
  margin-left: 4px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-dark);
  background: var(--bg-card);
  transition: border-color 0.2s;
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255,107,53,0.12);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* ============ バッジ ============ */
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--accent);
  color: var(--text-dark);
}

/* ============ ページヘッダー ============ */
.page-header {
  background: linear-gradient(135deg, #2c1810, #6b3a2a);
  padding: 40px 20px;
  text-align: center;
  color: #fff;
}

.page-header-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.page-header-sub {
  font-size: 0.9rem;
  color: #ffcab8;
}

/* ============ セクションタイトル ============ */
.section-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.section-title::after {
  content: '';
  flex: 1;
  height: 2px;
  background: var(--border);
  border-radius: 2px;
}

/* ============ レスポンシブ ============ */
@media (max-width: 768px) {
  .hero-title { font-size: 1.5rem; }
  .books-grid { grid-template-columns: repeat(auto-fill, minmax(155px, 1fr)); gap: 14px; }
  .navbar-inner { padding: 0 14px; }
  .navbar-nav a span { display: none; }
  .main-content { padding: 20px 14px; }
  .genre-tabs { gap: 6px; }
  .genre-tab { padding: 6px 14px; font-size: 0.82rem; }
}

@media (max-width: 480px) {
  .books-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-deco { font-size: 2rem; }
  .hero-title { font-size: 1.3rem; }
  .btn-login span { display: none; }
}

/* ============ ジャンルカラー定義 ============ */
.genre-冒険もの { background: var(--genre-adventure); }
.genre-友情もの { background: var(--genre-friendship); }
.genre-怖い話 { background: var(--genre-horror); }
.genre-ふしぎ・ファンタジー { background: var(--genre-fantasy); color: var(--text-dark) !important; }
.genre-笑えるはなし { background: var(--genre-funny); color: var(--text-dark) !important; }
.genre-どうぶつ { background: var(--genre-animal); }
.genre-のりもの・科学 { background: var(--genre-science); }

/* ============ スクロールバー ============ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-light); }

/* ============ テキスト選択 ============ */
::selection { background: rgba(255,107,53,0.2); }