/* ==========================================================================
   wmoom: Dual Theme (JP: #39FF14 / EN: #fa0556)
   Strict Monochrome + Single Neon Accent
   ========================================================================== */

:root {
  /* デフォルト EN: #fa0556 */
  --base-accent: #fa0556;
  --base-accent-dim: rgba(250, 5, 86, 0.12);
  --base-accent-border: rgba(250, 5, 86, 0.4);
  --bg-primary: #050505;
  --bg-surface: #0c0c0c;
  --bg-surface-elevated: #141414;
  --border-muted: #262626;
  --border-strong: #404040;
  --text-main: #e5e5e5;
  --text-dim: #737373;
  --text-dark: #404040;
}

/* JPモード: #39FF14 (ネオングリーン) */
body.theme-jp {
  --base-accent: #39FF14;
  --base-accent-dim: rgba(57, 255, 20, 0.12);
  --base-accent-border: rgba(57, 255, 20, 0.4);
}

/* ENモード: #fa0556 (ネオンクリムゾン) */
body.theme-en {
  --base-accent: #fa0556;
  --base-accent-dim: rgba(250, 5, 86, 0.12);
  --base-accent-border: rgba(250, 5, 86, 0.4);
}

* {
  box-sizing: border-box;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: 'JetBrains Mono', 'IBM Plex Mono', 'Courier New', monospace;
  letter-spacing: -0.02em;
  -webkit-font-smoothing: antialiased;
}

/* テキスト選択カラー連動 */
::selection {
  background-color: var(--base-accent);
  color: #000000;
}

/* 微細スキャンライン */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  background: 
    linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.01), rgba(255, 255, 255, 0.01) 1px, transparent 1px);
  background-size: 100% 2px, 30px 100%;
  z-index: 9999;
  opacity: 0.55;
}


/* プロンプト点滅カーソル */
.cursor-blink {
  display: inline-block;
  width: 7px;
  height: 13px;
  background-color: var(--base-accent);
  vertical-align: middle;
  margin-left: 2px;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* 言語切り替えトグルスイッチ [ JP | EN ] */
.lang-toggle-box {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-muted);
  background-color: #050505;
  padding: 1px;
}

.lang-toggle-btn {
  padding: 0.15rem 0.45rem;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-dim);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.lang-toggle-btn:hover {
  color: var(--text-main);
}

.lang-toggle-btn.active {
  background-color: var(--base-accent);
  color: #000000;
  font-weight: 700;
}

/* フィルターピル */
.filter-pill {
  padding: 0.35rem 0.75rem;
  border-radius: 0;
  font-size: 0.8125rem; /* 13px */
  font-weight: 600;
  background-color: var(--bg-surface);
  color: var(--text-dim);
  border: 1px solid var(--border-muted);
  transition: all 0.1s ease;
  cursor: pointer;
  text-transform: uppercase;
}

.filter-pill:hover {
  color: var(--text-main);
  border-color: var(--border-strong);
}

.filter-pill.active {
  background-color: var(--base-accent);
  color: #000000;
  border-color: var(--base-accent);
  font-weight: 700;
}

/* モーダル最適化（モバイル＆デスクトップ） */
#postModal {
  overscroll-behavior: contain;
}

#postModal > div {
  animation: modalSlideUp 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

@keyframes modalSlideUp {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* モバイルでのiOS自動ズームを確実に防止 & Xと同等の入力体験 */
#postContent {
  font-size: 16px !important;
  line-height: 1.55;
  -webkit-appearance: none;
}
@media (min-width: 640px) {
  #postContent {
    font-size: 15px !important; /* X/Twitter desktop standard */
  }
}

/* 投稿カード (X/Twitter基準の視認性) */
.post-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-muted);
  border-radius: 0;
  padding: 1rem 1.1rem;
  transition: border-color 0.15s ease;
}

.post-card:hover {
  border-color: var(--border-strong);
}

.post-card-header {
  font-size: 13.5px;
  line-height: 1.4;
}

.post-card-content {
  font-size: 15px; /* X/Twitterの標準ポスト文字サイズ */
  line-height: 1.6;
  color: #f3f4f6;
  letter-spacing: -0.01em;
}

/* メディアグリッド */
.x-media-grid {
  display: grid;
  gap: 1px;
  border-radius: 0;
  overflow: hidden;
  border: 1px solid var(--border-muted);
  background-color: #000000;
  margin-top: 0.6rem;
  position: relative;
}

.x-media-item {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
  transition: opacity 0.15s ease;
  background-color: #050505;
  border-radius: 0;
}

.x-media-item:hover {
  opacity: 0.85;
}

.x-media-grid.grid-1 {
  grid-template-columns: 1fr;
  max-height: 380px;
}
.x-media-grid.grid-1 .x-media-item {
  max-height: 380px;
}

.x-media-grid.grid-2 {
  grid-template-columns: 1fr 1fr;
  height: 220px;
}

.x-media-grid.grid-3 {
  grid-template-columns: 1.2fr 1fr;
  grid-template-rows: 1fr 1fr;
  height: 240px;
}
.x-media-grid.grid-3 .x-media-item:nth-child(1) {
  grid-row: span 2;
}

.x-media-grid.grid-4 {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  height: 260px;
}

/* プレビューサムネイル */
.preview-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 0;
  overflow: hidden;
  border: 1px solid var(--border-muted);
  background: #000;
}
.preview-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.preview-thumb .remove-img-btn {
  position: absolute;
  top: 0.2rem;
  right: 0.2rem;
  width: 1.3rem;
  height: 1.3rem;
  border-radius: 0;
  background-color: #000000;
  color: var(--base-accent);
  border: 1px solid var(--base-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.preview-thumb .remove-img-btn:hover {
  background-color: var(--base-accent);
  color: #000000;
}

/* アクションボタン（メイン） */
.btn-primary-action {
  background-color: var(--base-accent);
  color: #000000;
  font-weight: 700;
  transition: opacity 0.15s ease;
}
.btn-primary-action:hover {
  opacity: 0.9;
}
.btn-primary-action:active {
  opacity: 0.75;
}

/* ボーダー & テキストカラー連動ユーティリティ */
.text-dynamic-accent {
  color: var(--base-accent);
}
.border-dynamic-accent {
  border-color: var(--base-accent);
}