/* A-COUNTER X ハードウェア信号モニター — シンプル版スタイル */

body {
  background: var(--bg);
  min-height: 100vh;
}

.diag-main {
  padding: 40px 0 80px;
}

/* ===== Hero ===== */
.diag-hero {
  text-align: center;
  padding: 16px 0 32px;
}
.diag-hero-icon {
  font-size: 48px;
  line-height: 1;
  margin-bottom: 10px;
}
.diag-hero h1 {
  font-size: clamp(22px, 4vw, 30px);
  margin: 0 0 10px;
  color: var(--text);
}
.diag-lead {
  color: var(--text-dim);
  line-height: 1.8;
  font-size: 14px;
  max-width: 640px;
  margin: 0 auto;
}

/* ===== ブラウザ警告 ===== */
.diag-browser-warning {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.4);
  border-radius: 8px;
  padding: 14px 18px;
  color: #fca5a5;
  line-height: 1.7;
  margin-bottom: 20px;
}

/* ===== タブ ===== */
.diag-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}
.diag-tab {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 14px;
  cursor: pointer;
  color: var(--text);
  text-align: center;
  font-family: inherit;
  transition: all 160ms;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}
.diag-tab:hover {
  border-color: rgba(0, 229, 255, 0.4);
}
.diag-tab.active {
  border-color: var(--cyan);
  background: rgba(0, 229, 255, 0.08);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.15);
}
.diag-tab-icon { font-size: 26px; line-height: 1; }
.diag-tab-label { font-weight: 700; font-size: 14px; }
.diag-tab-sub { font-size: 11px; color: var(--text-dim); }

/* ===== ペイン ===== */
.diag-pane { display: none; }
.diag-pane.active { display: block; }

/* ===== 実験中注意書き ===== */
.diag-experimental-notice {
  margin-bottom: 14px;
  padding: 12px 16px;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px;
  line-height: 1.8;
}
.diag-experimental-notice strong {
  color: #fcd34d;
}
.diag-experimental-notice a {
  color: var(--cyan);
}

/* ===== ボタン列 ===== */
.diag-row-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.diag-btn {
  padding: 9px 16px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #0c0c14;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 160ms;
}
.diag-btn:hover:not(:disabled) {
  border-color: rgba(0, 229, 255, 0.5);
  color: var(--cyan);
}
.diag-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.diag-btn-primary {
  background: linear-gradient(135deg, #00e5ff, #00b8d9);
  border: none;
  color: #001015;
  font-weight: 700;
}
.diag-btn-primary:hover:not(:disabled) {
  color: #001015;
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.45);
}

/* ===== ステータス表示 ===== */
.diag-status {
  margin-bottom: 18px;
  padding: 10px 14px;
  background: #0c0c14;
  border: 1px dashed var(--border);
  border-radius: 6px;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--text-dim);
}
.diag-status.connected {
  border-style: solid;
  border-color: rgba(34, 197, 94, 0.4);
  color: #86efac;
}

/* ===== パネル共通 ===== */
.diag-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 14px;
}
.diag-section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 1px;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ===== モード選択 ===== */
.diag-mode-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.diag-mode-option {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  background: #0c0c14;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 160ms;
}
.diag-mode-option:has(input:checked) {
  border-color: var(--cyan);
  background: rgba(0, 229, 255, 0.06);
}
.diag-mode-option input { display: none; }
.diag-mode-option span { font-weight: 700; color: var(--text); }
.diag-mode-option small { font-size: 11px; color: var(--text-dim); }
.diag-spp-warning {
  margin-top: 12px;
  padding: 10px 14px;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 6px;
  color: #fcd34d;
  font-size: 12px;
  line-height: 1.7;
}

/* ===== 信号表示 ===== */
.diag-signals {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 6px;
  margin-bottom: 12px;
}
.diag-signal {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: #0c0c14;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.diag-led {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #1a1a1e;
  border: 1px solid rgba(255, 255, 255, 0.12);
  flex-shrink: 0;
  transition: all 120ms;
}
.diag-led.on { background: #00e5ff; border-color: #00e5ff; box-shadow: 0 0 8px rgba(0,229,255,0.7); }
.diag-led.cyan.on { background: #00e5ff; border-color: #00e5ff; box-shadow: 0 0 8px rgba(0,229,255,0.7); }
.diag-led.rb.on, .diag-led.orange.on { background: #f97316; border-color: #f97316; box-shadow: 0 0 8px rgba(249,115,22,0.7); }
.diag-led.bb.on, .diag-led.yellow.on { background: #eab308; border-color: #eab308; box-shadow: 0 0 8px rgba(234,179,8,0.7); }
.diag-led.art.on, .diag-led.green.on { background: #22c55e; border-color: #22c55e; box-shadow: 0 0 8px rgba(34,197,94,0.7); }
.diag-led.sbb.on, .diag-led.purple.on { background: #a855f7; border-color: #a855f7; box-shadow: 0 0 8px rgba(168,85,247,0.7); }
.diag-led.brown.on { background: #92400e; border-color: #92400e; box-shadow: 0 0 8px rgba(146,64,14,0.7); }
.diag-led.red.on { background: #ef4444; border-color: #ef4444; box-shadow: 0 0 8px rgba(239,68,68,0.7); }
.diag-led.blue.on { background: #3b82f6; border-color: #3b82f6; box-shadow: 0 0 8px rgba(59,130,246,0.7); }
.diag-led.pink.on { background: #ec4899; border-color: #ec4899; box-shadow: 0 0 8px rgba(236,72,153,0.7); }
.diag-signal-name {
  flex: 1;
  font-weight: 600;
  color: var(--text);
  font-size: 13px;
}
.diag-signal-count {
  font-family: "JetBrains Mono", monospace;
  color: var(--gold);
  font-weight: 700;
  font-size: 13px;
}

.diag-raw {
  padding: 8px 12px;
  background: #0c0c14;
  border: 1px dashed var(--border);
  border-radius: 6px;
  font-size: 11px;
}
.diag-raw-label {
  color: var(--text-dim);
  margin-right: 8px;
}
.diag-raw code {
  font-family: "JetBrains Mono", monospace;
  color: var(--cyan);
  letter-spacing: 1px;
  font-size: 12px;
}

/* ===== 統計グリッド ===== */
.diag-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
}
.diag-stat-cell {
  padding: 9px 12px;
  background: #0c0c14;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.diag-stat-label {
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 3px;
}
.diag-stat-value {
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  color: var(--text);
  font-weight: 700;
}

/* ===== イベントログ ===== */
.diag-log {
  max-height: 320px;
  overflow-y: auto;
  background: #0c0c14;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}
.diag-log-empty {
  color: var(--text-dim);
  padding: 12px 0;
  text-align: center;
  font-family: inherit;
}
.diag-log-entry {
  display: flex;
  gap: 12px;
  padding: 3px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.04);
}
.diag-log-entry:last-child { border-bottom: none; }
.diag-log-time { color: var(--text-dim); min-width: 100px; }
.diag-log-msg { flex: 1; }
.diag-log-info .diag-log-msg { color: var(--text); }
.diag-log-signal-on .diag-log-msg { color: #86efac; font-weight: 600; }
.diag-log-signal-off .diag-log-msg { color: #fca5a5; }
.diag-log-warn .diag-log-msg { color: #fbbf24; }
.diag-log-error .diag-log-msg { color: #fca5a5; font-weight: 600; }
.diag-log-success .diag-log-msg { color: var(--cyan); font-weight: 600; }

/* ===== ヘルプ (折りたたみ) ===== */
.diag-help {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 18px;
  margin-bottom: 14px;
}
.diag-help summary {
  cursor: pointer;
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 0;
  list-style: none;
}
.diag-help summary::before {
  content: "▸ ";
  color: var(--cyan);
}
.diag-help[open] summary::before {
  content: "▾ ";
}
.diag-help summary::-webkit-details-marker { display: none; }
.diag-help-body {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.8;
}
.diag-help-body h4 {
  margin: 10px 0 6px;
  color: var(--cyan);
  font-size: 13px;
}
.diag-help-body ul,
.diag-help-body ol {
  margin: 0;
  padding-left: 22px;
}
.diag-help-body li {
  margin-bottom: 4px;
}

/* ===== フッターヘルプ ===== */
.diag-footer-help {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 22px;
  margin-top: 32px;
}
.diag-footer-help p {
  color: var(--text-dim);
  line-height: 1.8;
  margin: 0;
  font-size: 13px;
}
.diag-footer-help a {
  color: var(--cyan);
}

/* モバイル */
@media (max-width: 640px) {
  .diag-mode-row,
  .diag-tabs {
    grid-template-columns: 1fr;
  }
  .diag-signals {
    grid-template-columns: repeat(2, 1fr);
  }
  .diag-log-time { min-width: 80px; }
  .diag-hero-icon { font-size: 38px; }
}