/* Header Base (Mobile) */
.app-header {
  background-color: #273a5a; /* Dark Indigo */
  color: white;
  padding: 3rem 1.5rem 2.5rem;
  border-radius: 0 0 2.5rem 2.5rem;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: var(--shadow-lg);
  grid-area: header; /* For Grid Layout */
}

/* Decorative Background Pattern */
.header-bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* Taegeuk Circles (Decorative) */
.header-deco-circle {
  position: absolute;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  filter: blur(50px);
  opacity: 0.25;
  pointer-events: none;
}
.header-deco-circle.red { background-color: var(--color-red); top: -50px; right: -50px; }
.header-deco-circle.blue { background-color: var(--color-blue); bottom: -50px; left: -50px; }

.header-content { position: relative; z-index: 10; }

/* ✅ flex-wrap으로 2줄 레이아웃 */
.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

/* Logo Styles */
.header-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  order: 1; /* 첫 번째 */
}

.header-logo svg {
  height: 40px;
  width: auto;
  color: white;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

/* ✨ 모바일: 로고 마크 가로선 하얀색 (기본) */
.logo-mark-line {
  fill: white;
}

/* ✅ 버튼을 두 번째로 */
.header-actions { 
  display: flex; 
  gap: 0.5rem;
  flex-shrink: 0;
  order: 2; /* 두 번째 (로고 오른쪽) */
}

/* ✅ 텍스트를 세 번째로 (다음 줄) */
.header-text {
  flex: 1;
  min-width: 100%; /* 다음 줄로 */
  padding: 0;
  margin-top: 0.5rem;
  order: 3; /* 세 번째 (둘째 줄) */
}

.sub-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #a3bffa;
  margin-bottom: 0.2rem;
}

.app-logo-text {
  font-family: "Noto Serif KR", serif;
  font-size: 2.2rem;
  font-weight: 700;
  margin: 0;
  color: white;
}
.app-logo-sub { font-family: "Noto Sans KR", sans-serif; font-size: 1rem; font-weight: 300; opacity: 0.8; margin-left: 0.5rem; }

.icon-btn {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  transition: 0.3s;
  overflow: hidden;
  padding: 0;
  flex-shrink: 0;
}
.icon-btn:hover { background: rgba(255,255,255,0.25); }

/* Header Flag Icon Style */
.header-lang-flag {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}


/* Progress Summary Card */
.progress-summary-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 1.25rem;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.progress-info { flex: 1; }
.progress-label {
  font-size: 0.95rem;
  font-weight: bold;
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
}

.progress-sub { font-size: 0.75rem; color: #cbd5e1; margin-top: 0.25rem; }

.continue-btn {
  background-color: var(--color-red);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 0.75rem;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(217, 56, 56, 0.4);
  transition: 0.2s;
}
.continue-btn:hover { transform: translateY(-2px); }

/* Progress Ring SVG */
.progress-circle-wrapper {
  position: relative;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.progress-ring { transform: rotate(-90deg); }
.progress-text {
  position: absolute;
  font-size: 0.7rem;
  font-weight: 700;
  color: white;
}

/* Desktop Overrides */
@media (min-width: 1024px) {
  .app-header {
    border-radius: 0;
    padding: 1.5rem 3rem;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: none;
  }

  .header-bg-pattern, .header-deco-circle { display: none; }

  .header-top { 
    margin-bottom: 0; 
    width: 100%; 
    align-items: center;
    flex-wrap: nowrap;
  }

  .header-logo {
    order: 1; /* PC: 첫 번째 */
  }

  .header-logo svg {
    height: 36px;
    color: var(--text-primary);
  }

  /* ✨ PC 라이트모드: 로고 마크 가로선 원래 색상 */
  .logo-mark-line {
    fill: #1E1B4B;
  }

  /* ✨ PC 다크모드: 로고 마크 가로선 하얀색 */
  [data-theme="dark"] .logo-mark-line {
    fill: white;
  }

  .header-text {
    flex: 1;
    min-width: auto;
    margin-top: 0;
    order: 2; /* PC: 두 번째 (로고 다음) */
  }

  .header-actions {
    order: 3; /* PC: 세 번째 (맨 오른쪽) */
  }

  .app-logo-text { 
    font-size: 1.5rem; 
    color: var(--accent-primary); 
  }

  [data-theme="dark"] .app-logo-text { 
    color: var(--text-primary); 
  }

  .sub-title { display: none; }
  .progress-summary-card { display: none; }

  .header-actions .icon-btn {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: none;
  }
  .header-actions .icon-btn:hover {
    background: var(--bg-outer);
    color: var(--accent-primary);
  }
}