/* Duck Theme Design Tokens */
:root {
  --color-bg-canvas: #13161c;
  --color-bg-panel: #1c202b;
  --color-bg-hero: #1c202b;
  --color-bg-surface: #232836;
  --color-bg-carbon: #0d0f14;

  --color-accent-primary: #F59E0B;
  --color-accent-primary-hover: #D97706;
  --color-accent-red: #DC2626;
  --color-accent-red-hover: #B91C1C;
  --color-border: #2d3446;

  --color-text-ink: #FBBF24;
  --color-text-soft: #9CA3AF;
  --color-text-body: #E5E7EB;
  --color-text-muted: #6B7280;
  --color-text-on-dark: #F9FAFB;

  --status-disconnected: #888888;
  --status-connecting: #F39C12;
  --status-online: #2ECC71;
  --status-error: #E74C3C;

  --font-family: 'Meiryo', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-number: 'Meiryo', Consolas, "Courier New", monospace;
}

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

body {
  background-color: var(--color-bg-canvas);
  color: var(--color-text-body);
  font-family: var(--font-family);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.app-container {
  width: 100%;
  max-width: 520px;
  background-color: var(--color-bg-canvas);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ヘッダー */
.header-panel {
  background-color: var(--color-bg-hero);
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}


.logo-container {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 8px;
}

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

.title-box .title {
  font-size: 26px;
  font-weight: bold;
  color: var(--color-text-ink);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.title-box .subtitle {
  font-size: 13px;
  font-weight: bold;
  color: var(--color-text-soft);
  margin-top: 2px;
}

/* メインコンテンツ */
.main-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* フォーム */
.form-panel {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 14px;
  font-weight: bold;
  color: var(--color-text-on-dark);
}

.port-input {
  width: 100%;
  height: 48px;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0 16px;
  color: var(--color-text-ink);
  font-family: var(--font-number);
  font-size: 16px;
  font-weight: bold;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  -moz-appearance: textfield;
}

/* 数値入力のスピンボタン（数字増減ボタン）を非表示化 */
.port-input::-webkit-outer-spin-button,
.port-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.port-input::placeholder {
  color: #888888;
  font-weight: normal;
}

.port-input:focus {
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.2);
}

.port-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 起動/停止ボタン */
.toggle-btn {
  width: 100%;
  height: 48px;
  background-color: var(--color-accent-primary);
  color: #121212;
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: bold;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
  display: flex;
  justify-content: center;
  align-items: center;
}

.toggle-btn:hover {
  background-color: var(--color-accent-primary-hover);
}

.toggle-btn:active {
  transform: scale(0.99);
}

.toggle-btn.active {
  background-color: var(--color-accent-red);
  color: var(--color-text-on-dark);
}

.toggle-btn.active:hover {
  background-color: var(--color-accent-red-hover);
}

.toggle-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 共有アドレスカード */
.info-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.domain-display {
  font-family: var(--font-number);
  font-size: 22px;
  font-weight: bold;
  color: var(--color-accent-primary);
  word-break: break-all;
  text-align: center;
  min-height: 32px;
  display: flex;
  align-items: center;
}

.copy-btn {
  width: 100%;
  height: 40px;
  background-color: var(--color-bg-surface);
  color: var(--color-text-on-dark);
  font-family: var(--font-family);
  font-size: 14px;
  font-weight: bold;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
}

.copy-btn:hover:not(:disabled) {
  background-color: #333333;
}

.copy-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ステータスカード */
.status-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.status-header {
  font-size: 14px;
  font-weight: bold;
  color: var(--color-text-ink);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: bold;
  color: var(--status-disconnected);
}

.status-dot {
  font-size: 14px;
}

/* ログカード */
.log-card {
  background-color: var(--color-bg-carbon);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 220px;
}

.log-header {
  font-size: 12px;
  font-weight: bold;
  color: var(--color-text-muted);
}

.log-terminal {
  flex: 1;
  overflow-y: auto;
  font-family: var(--font-number);
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-text-body);
  white-space: pre-wrap;
  word-break: break-all;
}

/* スクロールバー装飾 */
.log-terminal::-webkit-scrollbar {
  width: 6px;
}

.log-terminal::-webkit-scrollbar-track {
  background: var(--color-bg-carbon);
}

.log-terminal::-webkit-scrollbar-thumb {
  background: #2a3040;
  border-radius: 3px;
}

.log-terminal::-webkit-scrollbar-thumb:hover {
  background: #3b445c;
}