/* Web Image Studio - style.css */
:root {
  --app-bg: #121519;
  --panel-bg: #1a1e24;
  --panel-border: #2a313c;
  --accent-color: #0dcaf0;
  --accent-hover: #31d2f2;
  --accent-warning: #ffc107;
  --accent-success: #198754;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--app-bg);
  color: #e9ecef;
}

/* ナビゲーション・タブ */
.nav-pills-custom {
  background-color: var(--panel-bg);
  padding: 0.5rem;
  border-radius: 0.75rem;
  border: 1px solid var(--panel-border);
  gap: 0.35rem;
}

.nav-pills-custom .nav-link {
  color: #adb5bd;
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: 0.5rem;
  padding: 0.5rem 0.85rem;
  transition: all 0.2s ease-in-out;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.nav-pills-custom .nav-link:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.08);
}

.nav-pills-custom .nav-link.active {
  color: #000;
  background-color: var(--accent-color);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(13, 202, 240, 0.4);
}

/* カード & パネル */
.card-custom {
  background-color: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 0.75rem;
}

.card-custom .card-header {
  background-color: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--panel-border);
}

/* ドロップゾーン */
.dropzone {
  border: 2px dashed var(--panel-border);
  border-radius: 0.75rem;
  padding: 2rem 1.5rem;
  text-align: center;
  background-color: rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent-color);
  background-color: rgba(13, 202, 240, 0.05);
}

.dropzone input[type="file"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.dropzone-compact {
  padding: 1rem;
}

/* プレビューコンテナ */
.preview-container {
  background-color: #000;
  background-image: 
    linear-gradient(45deg, #181818 25%, transparent 25%), 
    linear-gradient(-45deg, #181818 25%, transparent 25%), 
    linear-gradient(45deg, transparent 75%, #181818 75%), 
    linear-gradient(-45deg, transparent 75%, #181818 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  border-radius: 0.5rem;
  min-height: 380px;
  max-height: 65vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  position: relative;
}

.preview-container img, .preview-container canvas {
  max-width: 100%;
  max-height: 60vh;
  object-fit: contain;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
  border-radius: 4px;
}

/* サムネイルリスト */
.thumbnail-item {
  position: relative;
  background-color: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 0.5rem;
  padding: 0.5rem;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.thumbnail-item:hover {
  border-color: var(--accent-color);
  transform: translateY(-2px);
}

.thumbnail-item img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: 0.25rem;
}

.thumbnail-actions {
  display: flex;
  gap: 0.25rem;
  margin-top: 0.4rem;
  justify-content: center;
}

/* フォント & ユーティリティ */
.font-mono {
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.extra-small {
  font-size: 0.75rem;
}

/* スライダー */
.form-range::-webkit-slider-thumb {
  background: var(--accent-color);
}

/* クイックツールバー */
.quick-tools-badge {
  cursor: pointer;
  transition: all 0.2s;
}
.quick-tools-badge:hover {
  filter: brightness(1.2);
}

/* スクロールバー */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #15181d;
}
::-webkit-scrollbar-thumb {
  background: #333a46;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #465060;
}

/* Cropper カスタムスタイル */
.cropper-view-box,
.cropper-face {
  border-radius: 0;
}

.cropper-circular .cropper-view-box {
  border-radius: 50%;
  outline: 0;
  box-shadow: 0 0 0 1px #39f;
}

.cropper-circular .cropper-face {
  border-radius: 50%;
}