/* =========================================
   오늘 뭐 먹지? - AI 메뉴 추천 앱
   Mobile-first, Accessible, Vanilla CSS
   ========================================= */

/* ----- CSS Custom Properties ----- */
:root {
  --color-primary: #FF6B35;
  --color-primary-hover: #E85D26;
  --color-primary-light: #FFF0E6;
  --color-bg: #FFF9F5;
  --color-card: #FFFFFF;
  --color-text: #2D3436;
  --color-text-secondary: #636E72;
  --color-success: #00B894;
  --color-success-hover: #00A381;
  --color-danger: #FF7675;
  --color-danger-hover: #E06665;
  --color-tag-bg: #FFF0E6;
  --color-tag-text: #FF6B35;
  --color-border: #F0E6DE;
  --color-overlay: rgba(0, 0, 0, 0.4);

  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;

  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-chip: 20px;
  --radius-tag: 8px;

  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 4px 20px rgba(0, 0, 0, 0.12);
  --shadow-btn: 0 2px 8px rgba(255, 107, 53, 0.25);
  --shadow-btn-hover: 0 4px 16px rgba(255, 107, 53, 0.35);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-screen: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

  --max-width: 480px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
}

/* ----- Reset & Base ----- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ----- Skip Link (접근성) ----- */
.skip-link {
  position: fixed;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-btn);
  z-index: 10000;
  font-weight: 600;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--spacing-md);
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ----- App Container ----- */
.app-container {
  max-width: var(--max-width);
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  overflow: hidden;
}

/* ----- Screen System ----- */
.screen {
  display: none;
  opacity: 0;
  transform: translateX(30px);
  transition:
    opacity var(--transition-screen),
    transform var(--transition-screen);
  min-height: 100vh;
  min-height: 100dvh;
  padding: var(--spacing-lg) var(--spacing-md);
}

.screen--active {
  display: flex;
  flex-direction: column;
  opacity: 1;
  transform: translateX(0);
}

.screen--exiting {
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateX(-30px);
}

/* =========================================
   화면 1: 홈 - 식사 시간 선택
   ========================================= */
#screen-home {
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xl);
  text-align: center;
}

.home-header {
  margin-bottom: var(--spacing-md);
}

.home-title {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-sm);
}

.home-subtitle {
  font-size: clamp(0.875rem, 2.5vw, 1.05rem);
  color: var(--color-text-secondary);
  font-weight: 400;
}

/* 식사 시간 카드 */
.meal-cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  width: 100%;
}

.meal-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  width: 100%;
  padding: var(--spacing-lg) var(--spacing-lg);
  background: var(--color-card);
  border: 2px solid transparent;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast);
  font-family: inherit;
  text-align: left;
}

.meal-card:hover,
.meal-card:focus-visible {
  transform: scale(1.02);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary);
}

.meal-card:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.meal-card:active {
  transform: scale(0.98);
}

.meal-card__icon {
  font-size: 2.25rem;
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-card);
}

.meal-card__label {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  flex: 1;
}

.meal-card__time {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* 최근 추천 기록 버튼 */
.btn-history {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: transparent;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-chip);
  color: var(--color-text-secondary);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.btn-history:hover,
.btn-history:focus-visible {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-history:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* =========================================
   화면 2: 선호도 입력
   ========================================= */
#screen-preferences {
  padding-top: 0;
}

.pref-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  background: var(--color-bg);
  z-index: 10;
}

.btn-back {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 44px;
  min-height: 44px;
  background: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: var(--color-text);
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.btn-back:hover,
.btn-back:focus-visible {
  background: var(--color-primary-light);
}

.btn-back:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.pref-header__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.pref-header__meal {
  color: var(--color-primary);
}

/* 선호도 폼 */
.pref-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  padding-bottom: var(--spacing-2xl);
}

.pref-section {
  border: none;
}

.pref-section__label {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.pref-section__hint {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

/* Chip / Tag 그룹 */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  min-height: 44px;
  background: var(--color-card);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-chip);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1);
  user-select: none;
  white-space: nowrap;
}

.chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.chip:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.chip--selected {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  transform: scale(1.05);
}

.chip--selected:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #fff;
}

/* 제외 식재료 태그 입력 */
.tag-input-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-card);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-btn);
  transition: border-color var(--transition-fast);
  min-height: 48px;
}

.tag-input-wrapper:focus-within {
  border-color: var(--color-primary);
}

.tag-list {
  display: contents;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  border-radius: var(--radius-tag);
  font-size: 0.8125rem;
  font-weight: 500;
  animation: tagAppear 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.tag-item__remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  min-width: 24px;
  min-height: 24px;
  background: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: var(--color-tag-text);
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  transition: background var(--transition-fast);
  font-family: inherit;
}

.tag-item__remove:hover,
.tag-item__remove:focus-visible {
  background: rgba(255, 107, 53, 0.2);
}

.tag-item__remove:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.tag-input {
  flex: 1;
  min-width: 100px;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--color-text);
  background: transparent;
  padding: var(--spacing-xs) 0;
}

.tag-input::placeholder {
  color: var(--color-text-secondary);
}

@keyframes tagAppear {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* 추천 받기 버튼 */
.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-lg);
  min-height: 48px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-btn);
  transition:
    background var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: scale(1.02);
  box-shadow: var(--shadow-btn-hover);
}

.btn-primary:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary--large {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.0625rem;
  min-height: 56px;
}

.btn-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-lg);
  min-height: 48px;
  background: transparent;
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-btn);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.btn-secondary:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: scale(1.02);
}

.btn-secondary:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.btn-secondary:active {
  transform: scale(0.98);
}

/* =========================================
   화면 3: 로딩
   ========================================= */
#screen-loading {
  justify-content: center;
  align-items: center;
}

.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xl);
}

/* CSS-only 접시 + 숟가락 애니메이션 */
.loading-plate {
  position: relative;
  width: 120px;
  height: 120px;
}

.loading-plate__dish {
  position: absolute;
  inset: 10px;
  border: 4px solid var(--color-primary-light);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: plateRotate 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.loading-plate__dish::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  transform: translate(-50%, -50%);
  background: var(--color-primary-light);
  border-radius: 50%;
  animation: platePulse 1.2s ease-in-out infinite;
}

.loading-plate__spoon {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 45px;
  background: var(--color-primary);
  border-radius: 3px;
  transform-origin: bottom center;
  transform: translate(-50%, -100%);
  animation: spoonSwing 1.2s ease-in-out infinite;
}

.loading-plate__spoon::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border-radius: 50% 50% 40% 40%;
}

@keyframes plateRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes platePulse {
  0%, 100% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
}

@keyframes spoonSwing {
  0%, 100% { transform: translate(-50%, -100%) rotate(-20deg); }
  50% { transform: translate(-50%, -100%) rotate(20deg); }
}

.loading-text {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-align: center;
  animation: loadingTextPulse 2s ease-in-out infinite;
}

@keyframes loadingTextPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* =========================================
   화면 4: 추천 결과
   ========================================= */
#screen-results {
  padding-bottom: 120px;
}

.results-header {
  padding: var(--spacing-md) 0;
  margin-bottom: var(--spacing-md);
}

.results-header__title {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--color-text);
}

/* 결과 카드 */
.results-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.result-card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px);
  animation: cardAppear 0.5s ease forwards;
}

.result-card:nth-child(1) { animation-delay: 0.1s; }
.result-card:nth-child(2) { animation-delay: 0.3s; }
.result-card:nth-child(3) { animation-delay: 0.5s; }

@keyframes cardAppear {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.result-card__image-wrapper {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
}

.result-card__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.result-card__image-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

.result-card__emoji {
  font-size: 3.5rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
  line-height: 1;
}

.result-card__image-name {
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  text-shadow: 0 1px 4px rgba(0,0,0,0.3);
  padding: 0 1rem;
  text-align: center;
}

/* 그라디언트 테마 */
.gradient--spicy {
  background: linear-gradient(135deg, #FF416C, #FF4B2B);
}
.gradient--cool {
  background: linear-gradient(135deg, #4FACFE, #00F2FE);
}
.gradient--hearty {
  background: linear-gradient(135deg, #F2994A, #F2C94C);
}
.gradient--light {
  background: linear-gradient(135deg, #56AB2F, #A8E063);
}
.gradient--sweet {
  background: linear-gradient(135deg, #FDA085, #F6D365);
}
.gradient--crispy {
  background: linear-gradient(135deg, #F7971E, #FFD200);
}
.gradient--default {
  background: linear-gradient(135deg, #FF6B35, #FF9A76);
}

.result-card__body {
  padding: var(--spacing-lg);
}

.result-card__name {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.result-card__why {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}

.result-card__description {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.result-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.result-card__tag {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  border-radius: var(--radius-tag);
  font-size: 0.75rem;
  font-weight: 500;
}

.result-card__kcal {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.result-card__actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* 좋아요 / 싫어요 버튼 */
.btn-like,
.btn-dislike {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  min-height: 44px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-btn);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
  background: var(--color-card);
}

.btn-like {
  color: var(--color-success);
}

.btn-like:hover,
.btn-like:focus-visible {
  background: var(--color-success);
  color: #fff;
  border-color: var(--color-success);
  transform: scale(1.05);
}

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

.btn-dislike {
  color: var(--color-danger);
}

.btn-dislike:hover,
.btn-dislike:focus-visible {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
  transform: scale(1.05);
}

.btn-dislike--active {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}

.btn-like:focus-visible,
.btn-dislike:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* 주변 맛집 검색 버튼 */
.btn-search-map {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  min-height: 44px;
  background: var(--color-card);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-btn);
  color: var(--color-primary);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast);
  margin-left: auto;
}

.btn-search-map:hover,
.btn-search-map:focus-visible {
  background: var(--color-primary);
  color: #fff;
  transform: scale(1.02);
}

.btn-search-map:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* 하단 고정 버튼 영역 */
.results-actions {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--max-width);
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: linear-gradient(to top, var(--color-bg) 70%, transparent);
  z-index: 5;
}

.results-actions .btn-primary,
.results-actions .btn-secondary {
  flex: 1;
}

/* =========================================
   사이드 패널 (기록/즐겨찾기)
   ========================================= */
.panel-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.panel-overlay--visible {
  opacity: 1;
  pointer-events: auto;
}

.side-panel {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 380px;
  height: 100%;
  background: var(--color-bg);
  z-index: 101;
  display: flex;
  flex-direction: column;
  transition: right var(--transition-screen);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
}

.side-panel--open {
  right: 0;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.panel-header__title {
  font-size: 1.25rem;
  font-weight: 700;
}

.btn-close-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: var(--color-text);
  transition: background var(--transition-fast);
}

.btn-close-panel:hover,
.btn-close-panel:focus-visible {
  background: var(--color-primary-light);
}

.btn-close-panel:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* 탭 */
.panel-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
}

.panel-tab {
  flex: 1;
  padding: var(--spacing-md);
  min-height: 48px;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.panel-tab:hover {
  color: var(--color-text);
}

.panel-tab--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.panel-tab:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: -3px;
}

/* 패널 콘텐츠 */
.panel-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
}

.panel-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.panel-empty {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  padding: var(--spacing-2xl) var(--spacing-md);
}

/* 패널 리스트 아이템 */
.panel-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--color-card);
  border-radius: var(--radius-btn);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
  cursor: pointer;
  transition:
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  border: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
}

.panel-item:hover,
.panel-item:focus-visible {
  box-shadow: var(--shadow-card);
  transform: translateY(-1px);
}

.panel-item:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.panel-item__info {
  flex: 1;
  min-width: 0;
}

.panel-item__name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.panel-item__meta {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.panel-item__delete {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  min-width: 44px;
  min-height: 44px;
  background: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: var(--color-danger);
  font-size: 1.125rem;
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.panel-item__delete:hover,
.panel-item__delete:focus-visible {
  background: rgba(255, 118, 117, 0.15);
}

.panel-item__delete:focus-visible {
  outline: 2px solid var(--color-danger);
  outline-offset: 1px;
}

/* 히스토리 날짜 그룹 */
.history-date-group {
  margin-bottom: var(--spacing-md);
}

.history-date-group__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-xs);
}

/* =========================================
   상세 정보 모달
   ========================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay--visible {
  opacity: 1;
  pointer-events: auto;
}

.detail-modal {
  position: fixed;
  bottom: -100%;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - var(--spacing-lg) * 2);
  max-width: 420px;
  max-height: 70vh;
  background: var(--color-card);
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  z-index: 201;
  overflow-y: auto;
  transition: bottom var(--transition-screen);
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.15);
}

.detail-modal--open {
  bottom: 0;
}

.btn-close-modal {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  min-width: 44px;
  min-height: 44px;
  background: var(--color-bg);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: var(--color-text);
  z-index: 1;
  transition: background var(--transition-fast);
}

.btn-close-modal:hover,
.btn-close-modal:focus-visible {
  background: var(--color-primary-light);
}

.btn-close-modal:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.detail-modal__content {
  padding: var(--spacing-xl) var(--spacing-lg);
}

.detail-modal__name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  padding-right: var(--spacing-xl);
}

.detail-modal__why {
  font-size: 0.8125rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
}

.detail-modal__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.detail-modal__tag {
  display: inline-flex;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  border-radius: var(--radius-tag);
  font-size: 0.75rem;
  font-weight: 500;
}

.detail-modal__saved-at {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-top: var(--spacing-md);
}

/* =========================================
   에러 상태
   ========================================= */
.error-message {
  text-align: center;
  padding: var(--spacing-xl);
}

.error-message__icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.error-message__text {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

/* =========================================
   반응형 디자인
   ========================================= */

/* 480px 이상 */
@media (min-width: 480px) {
  .screen {
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  .app-container {
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
  }
}

/* 768px 이상 */
@media (min-width: 768px) {
  :root {
    --max-width: 480px;
  }

  .meal-cards {
    flex-direction: row;
    gap: var(--spacing-md);
  }

  .meal-card {
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    flex: 1;
  }

  .meal-card__time {
    margin-top: var(--spacing-xs);
  }

  .side-panel {
    max-width: 420px;
  }
}

/* 접근성: 모션 감소 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .screen {
    transform: none;
  }

  .screen--exiting {
    transform: none;
  }

  .result-card {
    opacity: 1;
    transform: none;
  }
}

/* 고대비 모드 지원 */
@media (forced-colors: active) {
  .chip--selected {
    border: 3px solid ButtonText;
  }

  .btn-primary {
    border: 2px solid ButtonText;
  }

  .meal-card:focus-visible,
  .chip:focus-visible,
  .btn-primary:focus-visible {
    outline: 3px solid Highlight;
  }
}

/* 다크 모드 대응 (미래 확장용, 기본 비활성) */
/*
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1a1a2e;
    --color-card: #16213e;
    --color-text: #eaeaea;
    --color-text-secondary: #a0a0a0;
    --color-border: #2a2a4a;
  }
}
*/