/* ── 招待CTAセクション（index.htmlに追加） ─────────────────── */

/* guide-sectionと同じカード見た目に合わせる */
.invite-cta-section {
  margin-top: 0;
}

.invite-cta-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.invite-cta-icon {
  font-size: 2rem;
  flex-shrink: 0;
  line-height: 1;
}

.invite-cta-text {
  flex: 1;
  min-width: 200px;
}

.invite-cta-text h2 {
  margin: 0 0 0.4rem;
  font-size: 1.2rem;
  color: var(--text);
}

.invite-cta-text p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.invite-cta-btn {
  display: inline-block;
  padding: 0.7rem 1.6rem;
  background: var(--btn);
  color: #fff;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity 0.15s, transform 0.15s;
  flex-shrink: 0;
  border: none;
  cursor: pointer;
}

.invite-cta-btn:hover {
  opacity: 0.85;
  transform: translateY(-2px);
}

/* チケットビジュアル（右側の画像エリアに表示） */
.invite-cta-visual {
  width: 100%;
  height: 100%;
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.invite-ticket {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.5rem 2.5rem;
  border-radius: 14px;
  border: 2px dashed var(--border);
  background: var(--bg2);
}

.ticket-code {
  font-family: 'Courier New', monospace;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--link);
}

.ticket-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  font-weight: 600;
  text-transform: uppercase;
}

/* ── 登録カード ─────────────────────────────────────────────── */

.register-card {
  max-width: 640px;
  margin: 2rem auto;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
}

/* ── フォーム ────────────────────────────────────────────────── */

.register-form {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.label-hint {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.form-group input {
  padding: 0.75rem 1rem;
  background: var(--bg2);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.15s;
  outline: none;
}

.form-group input:focus {
  border-color: var(--btn);
}

.input-with-badge {
  position: relative;
  display: flex;
  align-items: center;
}

.input-with-badge input {
  flex: 1;
  padding-right: 7rem;
}

.platform-badge {
  position: absolute;
  right: 0.75rem;
  padding: 0.2rem 0.65rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  pointer-events: none;
  transition: opacity 0.2s;
}

.platform-badge.java {
  background: rgba(96, 165, 250, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(96, 165, 250, 0.3);
}

.platform-badge.bedrock {
  background: rgba(52, 211, 153, 0.15);
  color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.form-hint {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

.form-error {
  padding: 0.75rem 1rem;
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.3);
  border-radius: 8px;
  color: #f87171;
  font-size: 0.88rem;
}

/* ── ボタン ──────────────────────────────────────────────────── */

.register-btn {
  padding: 0.8rem 1.75rem;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.15s;
}

.register-btn.primary {
  background: var(--btn);
  color: #fff;
  border: none;
}

.register-btn.secondary {
  background: var(--bg2);
  color: var(--text);
  border: 1.5px solid var(--border);
}

.register-btn:hover:not(:disabled) {
  opacity: 0.85;
  transform: translateY(-1px);
}

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

/* ── 確認画面 ────────────────────────────────────────────────── */

.confirm-layout {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  flex-wrap: wrap;
}

.skin-area {
  flex-shrink: 0;
}

.skin-container {
  width: 120px;
  height: 200px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.skin-container iframe {
  border: none;
  width: 100%;
  height: 100%;
}

.confirm-info {
  flex: 1;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 0.5rem;
}

.confirm-username-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.confirm-username {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
}

.confirm-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: #34d399;
  font-weight: 600;
}

.status-icon {
  font-size: 1rem;
}

.confirm-question {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0;
}

.confirm-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ── 完了画面 ────────────────────────────────────────────────── */

.done-layout {
  text-align: center;
  padding: 2rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.done-icon {
  font-size: 3rem;
}

.done-title {
  font-size: 1.5rem;
  color: var(--text);
  margin: 0;
}

.done-message {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
}

/* ── レスポンシブ ─────────────────────────────────────────────── */

@media (max-width: 600px) {
  .register-card {
    padding: 1.5rem;
    border-radius: 12px;
  }
  .invite-cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .invite-cta-btn {
    width: 100%;
    text-align: center;
  }
  .confirm-layout {
    flex-direction: column;
    align-items: center;
  }
}