/**
 * 縦型動画ジェネレーター - シンプルスタイル
 */

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

:root {
  --sidebar-width: 240px;
  --bg-main: #ffffff;
  --bg-sidebar: #fafafa;
  --bg-card: #ffffff;
  --text-primary: #333333;
  --text-secondary: #888888;
  --border-color: #e0e0e0;
  --accent: #666666;
  --accent-hover: #555555;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
}

/* サイドバー */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  min-height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-logo .logo-img {
  width: 100%;
  max-width: 160px;
  height: auto;
  display: block;
}

.sidebar-section {
  padding: 16px 12px;
}

.sidebar-section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  padding: 0 8px;
  margin-bottom: 8px;
}

.sidebar-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-menu li {
  margin-bottom: 4px;
}

.sidebar-menu a,
.sidebar-menu button {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 6px;
  font-size: 14px;
  transition: all 0.15s;
  width: 100%;
  border: none;
  background: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}

.sidebar-menu a:hover,
.sidebar-menu button:hover {
  background: var(--bg-main);
  color: var(--text-primary);
}

.sidebar-menu a.active,
.sidebar-menu button.active {
  background: var(--accent);
  color: #fff;
}

.sidebar-menu i {
  width: 16px;
  text-align: center;
  font-size: 14px;
}

/* メインコンテンツ */
.main-wrapper {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}

.main-content {
  display: flex;
  gap: 32px;
  padding: 32px;
  max-width: 1400px;
}

/* 入力セクション */
.input-section {
  flex: 1;
  max-width: 560px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title i {
  color: var(--accent);
  font-size: 14px;
}

.input-group {
  margin-bottom: 14px;
}

.input-group:last-child {
  margin-bottom: 0;
}

.input-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.input-group textarea,
.input-group input[type="text"],
.input-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s;
}

.input-group textarea:focus,
.input-group input[type="text"]:focus,
.input-group select:focus {
  outline: none;
  border-color: var(--accent);
}

.input-group textarea::placeholder,
.input-group input::placeholder {
  color: var(--text-secondary);
}

.input-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* 横並び入力 */
.input-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.input-row .input-group {
  margin-bottom: 0;
}

/* カテゴリ選択 */
.category-selector {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.category-btn {
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}

.category-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.category-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* セット選択 */
.generate-options {
  margin-bottom: 12px;
}

.generate-options label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  display: block;
}

.set-selector {
  display: flex;
  gap: 6px;
}

.set-btn {
  padding: 4px 12px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}

.set-btn:hover {
  border-color: var(--accent);
}

.set-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ボタン */
.btn {
  padding: 10px 16px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: inherit;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

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

.btn-success:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn-danger {
  background: #e07070;
  color: #fff;
}

.btn-danger:hover:not(:disabled) {
  background: #d45a5a;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-main);
}

.btn-block {
  width: 100%;
}

.btn-generate {
  background: var(--accent);
  color: #fff;
  width: 100%;
}

.btn-generate:hover:not(:disabled) {
  background: var(--accent-hover);
}

/* アイコン選択 */
.icon-selector {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.icon-option {
  cursor: pointer;
  position: relative;
}

.icon-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.icon-option img {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 6px;
  border: 2px solid var(--border-color);
  transition: all 0.15s;
}

.icon-option input[type="radio"]:checked + img {
  border-color: var(--accent);
}

.icon-option:hover img {
  border-color: var(--accent);
}

.icon-none {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  border: 2px solid var(--border-color);
  background: var(--bg-main);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.icon-none span {
  color: var(--text-secondary);
  font-size: 10px;
}

.icon-option input[type="radio"]:checked ~ .icon-none {
  border-color: var(--accent);
}

.icon-add {
  width: 48px;
  height: 48px;
  border: 2px dashed var(--border-color);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
}

.icon-add:hover {
  border-color: var(--accent);
}

.icon-add .add-icon {
  font-size: 20px;
  color: var(--text-secondary);
}

/* コントロール */
.controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.controls .btn {
  flex: 1;
  min-width: 80px;
}

/* ステータス */
.status {
  text-align: center;
  padding: 10px;
  font-size: 13px;
  color: var(--text-secondary);
  background: var(--bg-main);
  border-radius: 6px;
  margin-top: 12px;
}

/* プログレスバー */
.progress-wrapper {
  background: var(--bg-main);
  border-radius: 4px;
  height: 6px;
  margin-top: 12px;
  overflow: hidden;
}

.progress-bar {
  background: var(--accent);
  height: 100%;
  width: 0%;
  transition: width 0.3s ease;
}

/* プレビューセクション */
.preview-section {
  flex-shrink: 0;
  position: sticky;
  top: 32px;
  align-self: flex-start;
}

.preview-hint {
  color: #888;
  font-size: 12px;
  margin-bottom: 8px;
  text-align: center;
}

.preview-hint i {
  margin-right: 4px;
}

.canvas-wrapper {
  background: #000;
  border-radius: 8px;
  overflow-y: auto;
  overflow-x: hidden;
  max-height: 720px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

#videoCanvas {
  width: 405px;
  height: 720px;
  display: block;
}

/* レスポンシブ */
@media (max-width: 1024px) {
  .sidebar {
    width: 60px;
  }
  
  .sidebar-logo h1,
  .sidebar-logo span,
  .sidebar-section-title,
  .sidebar-menu span {
    display: none;
  }
  
  .sidebar-logo {
    padding: 16px 8px;
    text-align: center;
  }
  
  .sidebar-menu a,
  .sidebar-menu button {
    justify-content: center;
    padding: 12px;
  }
  
  .sidebar-menu i {
    font-size: 18px;
  }
  
  .main-wrapper {
    margin-left: 60px;
  }
  
  .input-row {
    grid-template-columns: repeat(2, 1fr);
  }
  
  #videoCanvas {
    width: 300px;
    height: 533px;
  }
}

@media (max-width: 768px) {
  .sidebar {
    display: none;
  }
  
  .main-wrapper {
    margin-left: 0;
  }
  
  .main-content {
    flex-direction: column-reverse;
    padding: 16px;
  }
  
  .preview-section {
    position: static;
    width: 100%;
    display: flex;
    justify-content: center;
  }
  
  #videoCanvas {
    width: 100%;
    max-width: 280px;
    height: auto;
    aspect-ratio: 9 / 16;
  }
  
  .input-section {
    max-width: 100%;
  }
  
  .input-row {
    grid-template-columns: 1fr;
  }
}