/* ==============================================================
   ハナトンソフト ラボラトリー (hanaton soft labo)
   Theme: 秘密の実験室 × 洗練されたスチームパンク
   Color: Deep Charcoal / Antique Gold / Copper / Warm White
============================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;700;900&family=JetBrains+Mono:wght@400;500;700&family=Zen+Kaku+Gothic+New:wght@400;500;700;900&display=swap');

:root {
  /* ベースカラー（ディープチャコール / ダークスレート） */
  --bg-deep: #0b0c10;
  --bg-surface: #12141a;
  --bg-card: #181b24;
  --bg-card-hover: #1f2330;
  --bg-panel: #141720;
  --bg-input: #0f1117;

  /* アクセントカラー（アンティークゴールド / コッパー真鍮） */
  --brass-light: #f1db9b;
  --brass-gold: #c5a059;
  --brass-main: #b38838;
  --brass-dark: #7a581e;
  --copper-light: #e09f67;
  --copper-main: #b87333;
  --copper-dark: #6e411b;

  /* 真空管・計器ランプカラー */
  --glow-amber: #f59e0b;
  --glow-emerald: #10b981;
  --glow-ruby: #ef4444;
  --glow-cyan: #06b6d4;

  /* テキストカラー（ウォームホワイト / アッシュ） */
  --text-main: #f5f2ea;
  --text-sub: #b8b3a7;
  --text-muted: #737887;
  --text-gold: #e2c079;

  /* ボーダー・境界 */
  --border-brass: rgba(197, 160, 89, 0.25);
  --border-brass-bright: rgba(212, 175, 55, 0.6);
  --border-dark: rgba(255, 255, 255, 0.08);

  /* タイポグラフィ */
  --font-serif: 'Cinzel', serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-sans: 'Zen Kaku Gothic New', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* 基本リセット & 背景 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-deep);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(197, 160, 89, 0.08) 0%, transparent 60%),
    radial-gradient(circle at 100% 100%, rgba(184, 115, 51, 0.05) 0%, transparent 50%),
    linear-gradient(rgba(197, 160, 89, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(197, 160, 89, 0.03) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
  background-attachment: fixed;
  overflow-x: hidden;
}

/* スクロールバーのカスタマイズ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: var(--brass-dark);
  border-radius: 4px;
  border: 1px solid var(--border-brass);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--brass-main);
}

/* スチームパンク装飾ユーティリティ */
.font-steampunk-title {
  font-family: var(--font-serif);
  letter-spacing: 0.08em;
}

.font-steampunk-mono {
  font-family: var(--font-mono);
}

/* リベット装飾（金属鋲） */
.rivet-corner {
  position: relative;
}
.rivet-corner::before,
.rivet-corner::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  background: radial-gradient(circle, var(--brass-light) 20%, var(--copper-dark) 90%);
  border-radius: 50%;
  box-shadow: 0 0 2px rgba(0,0,0,0.8), inset 0 1px 1px rgba(255,255,255,0.4);
  pointer-events: none;
  z-index: 2;
}
.rivet-corner::before {
  top: 8px;
  left: 8px;
}
.rivet-corner::after {
  top: 8px;
  right: 8px;
}

/* パネル & フレーム */
.lab-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-brass);
  box-shadow: 
    0 10px 30px -5px rgba(0, 0, 0, 0.7),
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    inset 0 0 20px rgba(0, 0, 0, 0.4);
  border-radius: 14px;
  position: relative;
}

.lab-panel::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 14px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, rgba(212,175,55,0.2), transparent 40%, rgba(184,115,51,0.15)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* 真空管インジケーター・ランプ */
.vacuum-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  background: rgba(15, 17, 23, 0.8);
  border: 1px solid var(--border-brass);
  border-radius: 9999px;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.8);
}

.vacuum-bulb {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  position: relative;
  transition: all 0.3s ease;
}

.bulb-amber {
  background-color: var(--glow-amber);
  box-shadow: 0 0 10px var(--glow-amber), 0 0 20px rgba(245, 158, 11, 0.6);
  animation: bulb-pulse 2.5s infinite alternate;
}

.bulb-emerald {
  background-color: var(--glow-emerald);
  box-shadow: 0 0 10px var(--glow-emerald), 0 0 20px rgba(16, 185, 129, 0.6);
}

.bulb-ruby {
  background-color: var(--glow-ruby);
  box-shadow: 0 0 10px var(--glow-ruby), 0 0 20px rgba(239, 68, 68, 0.6);
  animation: bulb-pulse 1s infinite alternate;
}

@keyframes bulb-pulse {
  0% { opacity: 0.6; transform: scale(0.95); }
  100% { opacity: 1; transform: scale(1.1); }
}

/* 歯車の回転アニメーション */
.gear-spin {
  display: inline-block;
  animation: spin 16s linear infinite;
  transform-origin: center;
}
.gear-spin-reverse {
  display: inline-block;
  animation: spin-reverse 20s linear infinite;
  transform-origin: center;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes spin-reverse {
  from { transform: rotate(360deg); }
  to { transform: rotate(0deg); }
}

/* カードスタイル */
.link-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: 12px;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.link-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brass-gold), transparent);
  opacity: 0.3;
  transition: opacity 0.2s ease;
}

.link-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-brass-bright);
  transform: translateY(-3px);
  box-shadow: 
    0 12px 24px -6px rgba(0, 0, 0, 0.6),
    0 0 16px -2px rgba(197, 160, 89, 0.2);
}

.link-card:hover::before {
  opacity: 1;
}

/* ドラッグ＆ドロップ用スタイル */
.sortable-ghost {
  opacity: 0.35;
  border: 2px dashed var(--brass-gold) !important;
  background: rgba(197, 160, 89, 0.1) !important;
  box-shadow: 0 0 20px rgba(197, 160, 89, 0.3) !important;
}

.sortable-chosen {
  background: var(--bg-card-hover);
}

.sortable-drag {
  opacity: 1 !important;
  cursor: grabbing !important;
  box-shadow: 0 20px 35px -5px rgba(0, 0, 0, 0.9), 0 0 25px rgba(197, 160, 89, 0.4) !important;
  border-color: var(--brass-light) !important;
  transform: scale(1.03);
}

/* ドラッグハンドル */
.drag-handle {
  cursor: grab;
  color: var(--text-muted);
  transition: color 0.15s ease;
}
.drag-handle:hover {
  color: var(--brass-light);
}
.drag-handle:active {
  cursor: grabbing;
}

/* 真鍮ボタン */
.btn-brass {
  background: linear-gradient(180deg, #c5a059 0%, #8f6c27 100%);
  color: #121008;
  font-weight: 700;
  border: 1px solid #f1db9b;
  border-radius: 8px;
  padding: 8px 16px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.4);
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
}
.btn-brass:hover {
  background: linear-gradient(180deg, #d8b268 0%, #a27a2e 100%);
  box-shadow: 0 4px 12px rgba(197, 160, 89, 0.4), inset 0 1px 0 rgba(255,255,255,0.5);
  transform: translateY(-1px);
}
.btn-brass:active {
  transform: translateY(1px);
  box-shadow: 0 1px 3px rgba(0,0,0,0.8), inset 0 1px 2px rgba(0,0,0,0.4);
}

/* スレート金属ボタン */
.btn-slate {
  background: linear-gradient(180deg, #242936 0%, #171a23 100%);
  color: var(--text-main);
  border: 1px solid var(--border-brass);
  border-radius: 8px;
  padding: 8px 14px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.4);
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
}
.btn-slate:hover {
  background: linear-gradient(180deg, #2d3344 0%, #1f2330 100%);
  border-color: var(--brass-gold);
  color: var(--brass-light);
}
.btn-slate:active {
  transform: translateY(1px);
}

/* 危険ボタン（真鍮赤） */
.btn-danger {
  background: linear-gradient(180deg, #641a1a 0%, #3e0e0e 100%);
  color: #fecaca;
  border: 1px solid rgba(239, 68, 68, 0.4);
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-danger:hover {
  background: linear-gradient(180deg, #7f2222 0%, #501212 100%);
  border-color: rgba(239, 68, 68, 0.8);
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
}

/* バッジスタイル */
.badge-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge-stable {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.badge-beta {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}
.badge-dev {
  background: rgba(139, 92, 246, 0.15);
  color: #c084fc;
  border: 1px solid rgba(139, 92, 246, 0.3);
}
.badge-plan {
  background: rgba(148, 163, 184, 0.15);
  color: #cbd5e1;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

/* モーダル */
.lab-modal-backdrop {
  background-color: rgba(6, 8, 11, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.lab-modal-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border-brass-bright);
  box-shadow: 
    0 25px 50px -12px rgba(0, 0, 0, 0.9),
    0 0 30px rgba(197, 160, 89, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  border-radius: 16px;
}

/* フォームコントロール */
.lab-input, .lab-select, .lab-textarea {
  background: var(--bg-input);
  border: 1px solid var(--border-dark);
  color: var(--text-main);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.9rem;
  width: 100%;
  outline: none;
  transition: all 0.2s ease;
}
.lab-input:focus, .lab-select:focus, .lab-textarea:focus {
  border-color: var(--brass-gold);
  box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.15);
}

/* スマホ最適化 */
@media (max-width: 768px) {
  .lab-panel {
    border-radius: 12px;
  }
  .link-card {
    padding: 14px !important;
  }
  /* スマホでのタッチボタン最小高 44px */
  .btn-brass, .btn-slate, .btn-danger {
    min-height: 44px;
  }
}