/* DK VASCOM AI 추천 프로세스 스타일시트 */

:root {
  /* 타입 스케일 */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);

  /* 간격 */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* 반경 */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* 전환 */
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* 라이트 모드 - 전문적인 네이비/블루 테마 */
:root,
[data-theme="light"] {
  --color-bg: #f0f4f8;
  --color-surface: #ffffff;
  --color-surface-2: #f7fafc;
  --color-surface-offset: #eef2f7;
  --color-surface-hover: #e2e8f0;
  --color-divider: #e2e8f0;
  --color-border: #cbd5e0;

  --color-text: #1a202c;
  --color-text-muted: #64748b;
  --color-text-faint: #94a3b8;
  --color-text-inverse: #ffffff;

  --color-primary: #1e40af;
  --color-primary-hover: #1e3a8a;
  --color-primary-light: #dbeafe;
  --color-primary-glow: rgba(30, 64, 175, 0.15);

  --color-accent: #0ea5e9;
  --color-accent-light: #e0f2fe;
  --color-accent-glow: rgba(14, 165, 233, 0.15);

  --color-success: #16a34a;
  --color-success-light: #dcfce7;

  --color-warning: #f59e0b;
  --color-warning-light: #fef3c7;

  --color-card-border: #e2e8f0;
  --color-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --color-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --color-shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
  --color-shadow-primary: 0 4px 16px rgba(30, 64, 175, 0.25);
}

/* 다크 모드 */
[data-theme="dark"] {
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-surface-2: #24344d;
  --color-surface-offset: #1a2538;
  --color-surface-hover: #2d3e57;
  --color-divider: #334155;
  --color-border: #475569;

  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-text-faint: #64748b;
  --color-text-inverse: #1a202c;

  --color-primary: #3b82f6;
  --color-primary-hover: #60a5fa;
  --color-primary-light: #1e3a5f;
  --color-primary-glow: rgba(59, 130, 246, 0.2);

  --color-accent: #38bdf8;
  --color-accent-light: #0c2a3f;
  --color-accent-glow: rgba(56, 189, 248, 0.2);

  --color-success: #22c55e;
  --color-success-light: #144d2a;

  --color-warning: #fbbf24;
  --color-warning-light: #4d3d0a;

  --color-card-border: #334155;
  --color-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  --color-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --color-shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  --color-shadow-primary: 0 4px 16px rgba(59, 130, 246, 0.3);
}

/* 시스템 다크모드 선호 */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0f172a;
    --color-surface: #1e293b;
    --color-surface-2: #24344d;
    --color-surface-offset: #1a2538;
    --color-surface-hover: #2d3e57;
    --color-divider: #334155;
    --color-border: #475569;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-text-faint: #64748b;
    --color-text-inverse: #1a202c;
    --color-primary: #3b82f6;
    --color-primary-hover: #60a5fa;
    --color-primary-light: #1e3a5f;
    --color-primary-glow: rgba(59, 130, 246, 0.2);
    --color-accent: #38bdf8;
    --color-accent-light: #0c2a3f;
    --color-accent-glow: rgba(56, 189, 248, 0.2);
    --color-success: #22c55e;
    --color-success-light: #144d2a;
    --color-warning: #fbbf24;
    --color-warning-light: #4d3d0a;
    --color-card-border: #334155;
    --color-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    --color-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --color-shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
    --color-shadow-primary: 0 4px 16px rgba(59, 130, 246, 0.3);
  }
}

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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--color-primary-glow), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, var(--color-accent-glow), transparent);
  background-attachment: fixed;
}

img, svg { display: block; max-width: 100%; height: auto; }
ul { list-style: none; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }

a, button, [role="button"], input, textarea, select {
  transition: color var(--transition-interactive), background var(--transition-interactive),
    border-color var(--transition-interactive), box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

::selection {
  background: var(--color-primary-glow);
  color: var(--color-text);
}

/* === 레이아웃 === */
.app-container {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* === 헤더 === */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo-svg {
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.logo-title {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.logo-subtitle {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.theme-toggle:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

/* === 진행 표시바 === */
.progress-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  padding: var(--space-4) var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow);
}

.progress-step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
}

.progress-dot {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 700;
  flex-shrink: 0;
  background: var(--color-surface-offset);
  color: var(--color-text-faint);
  border: 2px solid var(--color-border);
  transition: all var(--transition-interactive);
}

.progress-step.active .progress-dot {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
  box-shadow: var(--color-shadow-primary);
}

.progress-step.completed .progress-dot {
  background: var(--color-success);
  color: #fff;
  border-color: var(--color-success);
}

.progress-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 600;
  white-space: nowrap;
}

.progress-step.active .progress-label {
  color: var(--color-text);
}

.progress-line {
  flex: 0 0 20px;
  height: 2px;
  background: var(--color-border);
  transition: background var(--transition-interactive);
}

.progress-line.completed {
  background: var(--color-success);
}

/* === 메인 카드 === */
.wizard-card {
  background: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--color-shadow-md);
  padding: var(--space-8);
  flex: 1;
}

/* === 챗봇 로봇 캐릭터 === */
.robot-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.robot-character {
  width: 360px;
  height: auto;
  animation: robotFloat 3s ease-in-out infinite;
  /* mix-blend-mode로 흰색 배경을 투명하게 처리 */
  mix-blend-mode: multiply;
  border-radius: var(--radius-lg);
}

/* 다크모드에서는 배경이 어두우므로 흰색 컨테이너 필요 */
[data-theme="dark"] .robot-character {
  mix-blend-mode: normal;
  background: #ffffff;
  padding: var(--space-3);
  border-radius: var(--radius-xl);
  box-shadow: var(--color-shadow-md);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .robot-character {
    mix-blend-mode: normal;
    background: #ffffff;
    padding: var(--space-3);
    border-radius: var(--radius-xl);
    box-shadow: var(--color-shadow-md);
  }
}

@keyframes robotFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.result-robot-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.robot-small {
  width: 220px;
  height: auto;
  animation: robotFloat 3s ease-in-out infinite;
  mix-blend-mode: multiply;
  border-radius: var(--radius-md);
}

[data-theme="dark"] .robot-small {
  mix-blend-mode: normal;
  background: #ffffff;
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow-md);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .robot-small {
    mix-blend-mode: normal;
    background: #ffffff;
    padding: var(--space-2);
    border-radius: var(--radius-lg);
    box-shadow: var(--color-shadow-md);
  }
}

@media (max-width: 480px) {
  .robot-character {
    width: 280px;
  }
  .robot-small {
    width: 170px;
  }
}

/* === 환영 화면 === */
.welcome-section {
  text-align: center;
  padding: var(--space-8) 0;
}

.welcome-title {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
}

.welcome-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto var(--space-8);
  line-height: 1.6;
  word-break: keep-all;
}

/* === 섹션 헤더 === */
.step-header {
  margin-bottom: var(--space-6);
}

.step-counter {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.step-title {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.step-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* === 옵션 그리드 === */
.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.option-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-3);
  background: var(--color-surface-2);
  border: 2px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  text-align: center;
  cursor: pointer;
  position: relative;
  min-height: 110px;
}

.option-card:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-hover);
  transform: translateY(-2px);
  box-shadow: var(--color-shadow-md);
}

.option-card.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  box-shadow: var(--color-shadow-primary);
}

.option-card.selected::after {
  content: "";
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 14px;
}

.option-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.option-card.selected .option-icon {
  color: var(--color-primary);
}

.option-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.option-card.selected .option-label {
  color: var(--color-primary);
}

/* === 체크리스트 (멀티셀렉트) === */
.checklist {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border: 2px solid var(--color-card-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
}

.checklist-item:hover {
  border-color: var(--color-primary);
  color: var(--color-text);
  background: var(--color-surface-hover);
}

.checklist-item.checked {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.checklist-checkbox {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-interactive);
}

.checklist-item.checked .checklist-checkbox {
  background: var(--color-primary);
  border-color: var(--color-primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* === 버튼 === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 700;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  transition: all var(--transition-interactive);
  letter-spacing: -0.01em;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
  box-shadow: var(--color-shadow);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--color-shadow-primary);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: var(--color-surface-2);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-primary);
}

.btn-success {
  background: var(--color-success);
  color: #fff;
  border-color: var(--color-success);
}

.btn-success:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary-light);
}

.btn-arrow {
  transition: transform var(--transition-interactive);
}

.btn:hover .btn-arrow {
  transform: translateX(3px);
}

.button-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* === 분석 로딩 === */
.analyzing-section {
  text-align: center;
  padding: var(--space-16) 0;
}

.analyzing-spinner {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  border: 4px solid var(--color-surface-offset);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.analyzing-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.analyzing-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* === 결과 화면 === */
.result-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.result-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-success-light);
  color: var(--color-success);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.result-title {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.result-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto;
}

.result-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.result-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface-2);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-interactive);
}

.result-card:hover {
  box-shadow: var(--color-shadow-md);
  transform: translateY(-2px);
}

.result-card-top {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  border-bottom: 1px solid var(--color-divider);
}

.result-rank {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  flex-shrink: 0;
  font-weight: 800;
  font-size: var(--text-lg);
}

.result-rank.rank-1 {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #fff;
}

.result-rank.rank-2 {
  background: linear-gradient(135deg, #94a3b8, #64748b);
  color: #fff;
}

.result-rank.rank-3 {
  background: linear-gradient(135deg, #d97706, #b45309);
  color: #fff;
}

.result-info {
  flex: 1;
  min-width: 0;
}

.result-model {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 2px;
  letter-spacing: -0.01em;
}

.result-category {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

.result-score {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  flex-shrink: 0;
}

.score-value {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.score-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 600;
}

.result-card-body {
  padding: var(--space-4) var(--space-5);
}

.result-desc-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}

.result-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.highlight-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
}

.match-reasons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.match-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: var(--color-success-light);
  color: var(--color-success);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 500;
}

.result-card-footer {
  padding: var(--space-3) var(--space-5) var(--space-5);
  display: flex;
  justify-content: flex-end;
}

.result-detail-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
}

.result-detail-btn:hover {
  background: var(--color-primary-light);
}

/* === 결과 액션 버튼 === */
.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}

/* === 푸터 === */
.app-footer {
  text-align: center;
  padding: var(--space-6) 0 var(--space-4);
  margin-top: var(--space-6);
}

.footer-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  line-height: 1.5;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-weight: 600;
}

/* === 스크롤 애니메이션 === */
.fade-in {
  animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-in {
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* === 모바일 반응형 === */
@media (max-width: 768px) {
  .app-container {
    padding: var(--space-4) var(--space-3);
  }

  .wizard-card {
    padding: var(--space-5);
  }

  .option-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .progress-wrapper {
    padding: var(--space-3) var(--space-4);
    gap: var(--space-1);
  }

  .progress-label {
    display: none;
  }

  .progress-line {
    flex: 0 0 12px;
  }

  .result-card-top {
    flex-wrap: wrap;
  }

  .button-row {
    flex-direction: column-reverse;
  }

  .button-row .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .option-grid {
    grid-template-columns: 1fr 1fr;
  }

  .checklist {
    flex-direction: column;
  }

  .checklist-item {
    width: 100%;
  }
}

/* === 푸터 설정 버튼 === */
.footer-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.footer-row .footer-note {
  flex: 1;
  margin: 0;
}

.footer-settings-btn {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
}

.footer-settings-btn:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
  transform: rotate(30deg);
}

.footer-settings-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* === 로그인 모달 === */
.login-modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.3s ease;
}

.login-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.login-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

.login-body {
  padding: var(--space-6);
}

.login-field {
  margin-bottom: var(--space-4);
}

.login-error {
  color: #dc2626;
  font-size: var(--text-xs);
  margin: var(--space-2) 0 0;
}

.login-success {
  color: #16a34a;
  font-size: var(--text-xs);
  margin: var(--space-2) 0 0;
}

/* === 제품 아코디언 === */
.product-accordion {
  margin-bottom: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.product-accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  cursor: pointer;
  transition: background 0.2s ease;
  user-select: none;
}

.product-accordion-header:hover {
  background: var(--color-border);
}

.product-accordion-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.product-accordion-icon {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.product-accordion-body {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* === 관리자 편집 모달 === */
.admin-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.admin-modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 640px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

[data-theme="dark"] .admin-modal {
  background: var(--color-surface);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .admin-modal {
    background: var(--color-surface);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  }
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.admin-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

.admin-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
}

.admin-close:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.admin-tabs {
  display: flex;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.admin-tabs::-webkit-scrollbar {
  height: 3px;
}

.admin-tabs::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

.admin-tab {
  flex-shrink: 0;
  padding: var(--space-2) var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.admin-tab:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.admin-tab.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.admin-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5) var(--space-6);
  -webkit-overflow-scrolling: touch;
}

.admin-body::-webkit-scrollbar {
  width: 6px;
}

.admin-body::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

.admin-section {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.admin-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.admin-section-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.admin-field {
  margin-bottom: var(--space-4);
}

.admin-field:last-child {
  margin-bottom: 0;
}

.admin-field-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.admin-field-row .admin-label {
  flex-shrink: 0;
  width: 100px;
  margin: 0;
}

.admin-field-row .admin-input {
  flex: 1;
}

.admin-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.admin-input,
.admin-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-sizing: border-box;
}

.admin-input:focus,
.admin-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.admin-textarea {
  resize: vertical;
  min-height: 60px;
}

.admin-product-card {
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
}

.admin-product-card:last-child {
  margin-bottom: 0;
}

.admin-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
}

/* 관리자 모달 반응형 */
@media (max-width: 600px) {
  .admin-modal {
    max-height: 90vh;
    border-radius: var(--radius-lg);
  }

  .admin-header {
    padding: var(--space-4);
  }

  .admin-tabs {
    padding: var(--space-2) var(--space-4);
  }

  .admin-body {
    padding: var(--space-4);
  }

  .admin-footer {
    padding: var(--space-3) var(--space-4);
    flex-wrap: wrap;
    gap: var(--space-2);
  }

  .admin-footer .btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
  }

  .admin-field-row {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-field-row .admin-label {
    width: auto;
  }
}

/* 제품 추가/삭제 버튼 */
.admin-section-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.admin-section-header-row .admin-section-title {
  margin-bottom: 0;
}

.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

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

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-style: solid;
  border-width: 1px;
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

[data-theme="dark"] .btn-primary {
  background: var(--color-primary);
}

[data-theme="dark"] .btn-outline {
  border-color: var(--color-primary-light);
  color: var(--color-primary-light);
}

[data-theme="dark"] .btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-delete-product {
  margin-top: var(--space-3);
  color: #dc2626;
  border-color: #dc2626;
}

.btn-delete-product:hover {
  background: #dc2626;
  color: #fff;
  border-color: #dc2626;
}

[data-theme="dark"] .btn-delete-product {
  color: #f87171;
  border-color: #f87171;
}

[data-theme="dark"] .btn-delete-product:hover {
  background: #dc2626;
  color: #fff;
  border-color: #dc2626;
}

/* 카탈로그 파일 업로드 */
.file-upload-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.file-upload-row input[type="file"] {
  flex: 1;
  min-width: 200px;
  font-size: var(--text-sm);
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
}

.file-upload-info {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

[data-theme="dark"] .file-upload-row input[type="file"] {
  background: var(--color-surface-2);
  color: var(--color-text);
  border-color: var(--color-border);
}

/* 카탈로그 모드 토글 스위치 */
.toggle-switch-row {
  display: flex;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  width: fit-content;
}

.toggle-option {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  border: none;
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.toggle-option.active {
  background: var(--color-primary);
  color: #fff;
}

.toggle-option:not(.active):hover {
  background: var(--color-surface-hover);
}

[data-theme="dark"] .toggle-option {
  background: var(--color-surface-2);
  color: var(--color-text-muted);
}

[data-theme="dark"] .toggle-option.active {
  background: var(--color-primary);
  color: #fff;
}