/* ============================================================
   p5js花火大会 - Playground
   ============================================================ */

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
  background: #1a1a2e;
  color: #e0e0e0;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

header {
  margin-bottom: 12px;
}

header h1 {
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 4px;
}

.subtitle {
  font-size: 0.85rem;
  color: #aaa;
}

/* レイアウト */
.main-layout {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

@media (max-width: 900px) {
  .main-layout {
    flex-direction: column;
    align-items: center;
  }
}

/* エディタパネル */
.editor-panel {
  flex: 1;
  min-width: 0;
  max-width: 560px;
}

.editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #2a2a40;
  padding: 8px 12px;
  border-radius: 8px 8px 0 0;
  font-size: 0.85rem;
  color: #ccc;
}

.editor-actions {
  display: flex;
  gap: 8px;
}

#code-editor {
  width: 100%;
  height: 480px;
  background: #16162a;
  color: #e8e8e8;
  border: 1px solid #333;
  border-top: none;
  border-radius: 0 0 8px 8px;
  padding: 12px;
  font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
  tab-size: 2;
  outline: none;
}

#code-editor:focus {
  border-color: #5588ff;
}

/* ボタン */
.btn {
  border: none;
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 0.85rem;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.15s;
}

.btn-primary {
  background: #4488ff;
  color: #fff;
}

.btn-primary:hover {
  background: #5599ff;
}

.btn-secondary {
  background: #444;
  color: #ddd;
}

.btn-secondary:hover {
  background: #555;
}

/* バリデーション結果 */
.validation-result {
  margin-top: 8px;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.82rem;
  line-height: 1.5;
  min-height: 20px;
}

.validation-result.error {
  background: #3a1a1a;
  border: 1px solid #882222;
  color: #ff8888;
}

.validation-result.success {
  background: #1a3a1a;
  border: 1px solid #228822;
  color: #88ff88;
}

/* プレビューパネル */
.preview-panel {
  flex-shrink: 0;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #2a2a40;
  padding: 8px 12px;
  border-radius: 8px 8px 0 0;
  font-size: 0.85rem;
  color: #ccc;
  max-width: 400px;
}

/* フェーズバー */
.phase-bar {
  display: flex;
  align-items: center;
  gap: 3px;
  background: #1e1e30;
  padding: 6px 8px;
  font-size: 0.68rem;
  color: #666;
  border-left: 1px solid #333;
  border-right: 1px solid #333;
  white-space: nowrap;
  overflow: hidden;
  max-width: 400px;
}

.phase-bar .phase {
  padding: 2px 6px;
  border-radius: 3px;
  transition: background 0.3s, color 0.3s;
}

.phase-bar .phase.active {
  background: #4488ff;
  color: #fff;
}

.phase-bar .phase-arrow {
  color: #555;
  font-size: 0.7rem;
}

.preview-container {
  position: relative;
  width: 400px;
  height: 800px;
  background: #000;
  border: 1px solid #333;
  border-top: none;
  border-radius: 0 0 8px 8px;
  overflow: hidden;
}

.preview-slot {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  opacity: 0;
  transition: opacity 1.5s ease;
  pointer-events: none;
}

.preview-slot.active {
  opacity: 1;
  z-index: 1;
}

.preview-slot.fading-out {
  opacity: 0;
  z-index: 0;
}

/* フレーム画像オーバーレイ */
.frame-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
  pointer-events: none;
}

/* オーバーレイ */
.overlay {
  position: absolute;
  bottom: 60px;
  left: 20px;
  right: 20px;
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  gap: 12px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  z-index: 10;
  pointer-events: none;
}

.overlay.visible {
  opacity: 1;
  transform: translateY(0);
}

.overlay-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid rgba(255, 255, 255, 0.3);
  display: none;
}

.overlay-icon.show {
  display: block;
}

.overlay-text {
  display: flex;
  flex-direction: column;
}

.overlay-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 1), 0 0 20px rgba(0, 0, 0, 0.8);
  margin-bottom: 4px;
}

.overlay-author {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 1), 0 0 16px rgba(0, 0, 0, 0.8);
}

/* フッター */
footer {
  margin-top: 12px;
  font-size: 0.85rem;
  color: #888;
}

footer a {
  color: #88bbff;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

.sep {
  margin: 0 8px;
  color: #555;
}

/* 作品カウンター */
.counter {
  position: absolute;
  bottom: 16px;
  right: 16px;
  z-index: 30;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.counter.visible {
  opacity: 1;
}