/**
 * ==========================================================================
 * [main.css]
 * 역할: 슬림 헤더 패딩 및 한 줄 서브타이틀 CSS (1파일 1기능)
 * ==========================================================================
 */

.app-container {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  background-color: var(--bg-main);
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  position: relative;
}

.app-header {
  padding: 14px 16px 12px;
  text-align: center;
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  white-space: nowrap;
}

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1;
}

.header-subtitle {
  font-size: 0.82rem;
  color: var(--text-sub);
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

/* 화면 스텝 전환 */
.step-view {
  display: none !important;
  width: 100%;
}

.step-view.active {
  display: block !important;
}