/* ============================================================
    style.css
    칼로리 & 다이어트 계산기 – 파스텔 스카이 테마
    v3 : AI 사진 분석 제거 / 식약처 API 연동
  ============================================================ */

  /* ── CSS 변수 ── */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --bg:        #dceefb;
    --card:      #ffffff;
    --input-bg:  #eef6fd;
    --border:    #bdd8f2;
    --accent:    #3a9fd6;
    --accent2:   #6bbfdf;
    --danger:    #e05c72;
    --warn:      #e89c38;
    --ok:        #2da8d8;
    --t1:        #1a3a58;
    --t2:        #4e7898;
    --t3:        #8fb4cc;
    --radius:    14px;
    --shadow:    0 6px 30px rgba(58, 159, 214, .13);
  }

  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    color: var(--t1);
    font-family: 'Noto Sans KR', sans-serif;
    font-weight: 400;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -webkit-text-size-adjust: 100%;
    min-height: 100vh;
    padding: 32px 16px 100px;
    background-image:
      radial-gradient(ellipse 65% 45% at 85%  -5%, rgba(107, 191, 223, .30) 0%, transparent 60%),
      radial-gradient(ellipse 55% 35% at -5%  90%, rgba(58,  159, 214, .18) 0%, transparent 55%),
      radial-gradient(ellipse 40% 30% at 50%  50%, rgba(255, 255, 255, .55) 0%, transparent 70%);
  }

  /* ============================================================
    레이아웃
  ============================================================ */
  .app-wrap { max-width: 900px; margin: 0 auto; }

  /* ── 헤더 ── */
  header {
    text-align: center;
    margin-bottom: 40px;
    animation: fadeDown .6s ease both;
  }
  header .eyebrow {
    font-size: 11px; letter-spacing: .25em;
    text-transform: uppercase; color: var(--accent); margin-bottom: 8px;
  }
  header h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(2.4rem, 7vw, 4rem);
    letter-spacing: .04em; line-height: 1;
    background: linear-gradient(135deg, #1a3a58 20%, #3a9fd6 70%, #6bbfdf 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  }
  header p { margin-top: 10px; color: var(--t2); font-size: 14px; }

  /* ── 2열 그리드 ── */
  .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  @media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }

  /* ── 카드 ── */
  .card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 28px 24px;
    box-shadow: var(--shadow); animation: fadeUp .55s ease both;
  }
  .card-title {
    font-size: 11px; font-weight: 700; letter-spacing: .18em;
    text-transform: uppercase; color: var(--accent); margin-bottom: 20px;
  }

  /* ============================================================
    입력 컴포넌트
  ============================================================ */
  .form-group { margin-bottom: 18px; }
  .form-group:last-child { margin-bottom: 0; }

  label {
    display: block; font-size: 14px; font-weight: 600;
    color: var(--t2); margin-bottom: 7px; letter-spacing: .04em;
  }

  input[type="number"],
  input[type="text"],
  input[type="password"],
  select {
    width: 100%; background: var(--input-bg); border: 1px solid var(--border);
    border-radius: 8px; color: var(--t1); font-family: 'Noto Sans KR', sans-serif;
    font-size: 15px; padding: 11px 14px;
    transition: border-color .2s, box-shadow .2s; outline: none; -moz-appearance: textfield;
  }
  input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; }
  input:focus, select:focus {
    border-color: var(--accent); box-shadow: 0 0 0 3px rgba(58, 159, 214, .15);
  }
  input.error { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(224, 92, 114, .12); }
  .error-msg  { font-size: 11px; color: var(--danger); margin-top: 5px; display: none; }
  .error-msg.show { display: block; }

  /* ── 라디오 토글 ── */
  .toggle-group { display: flex; gap: 10px; flex-wrap: wrap; }
  .toggle-group input { display: none; }
  .toggle-group label {
    flex: 1; min-width: 80px; text-align: center; padding: 11px 8px;
    background: var(--input-bg); border: 1px solid var(--border);
    border-radius: 8px; cursor: pointer; font-size: 13px;
    font-weight: 500; color: var(--t2); transition: all .2s; margin: 0;
  }
  .toggle-group input:checked + label {
    background: rgba(58, 159, 214, .12); border-color: var(--accent);
    color: var(--accent); font-weight: 700;
  }
  .toggle-group label:hover { border-color: var(--t3); color: var(--t1); }

  /* ============================================================
    오늘 합계 배너
  ============================================================ */
  .daily-summary {
    display: flex; align-items: center; justify-content: space-between;
    background: linear-gradient(135deg, rgba(58, 159, 214, .10), rgba(107, 191, 223, .12));
    border: 1px solid rgba(58, 159, 214, .25);
    border-radius: 12px; padding: 16px 20px; margin-bottom: 20px;
  }
  .daily-summary .ds-left  { font-size: 12px; color: var(--t2); }
  .daily-summary .ds-total {
    font-family: 'Bebas Neue', sans-serif; font-size: 2rem;
    color: var(--accent); line-height: 1;
  }
  .daily-summary .ds-meals { display: flex; gap: 16px; }
  .daily-summary .ds-meal  { text-align: center; }
  .daily-summary .ds-meal .dm-label { font-size: 10px; color: var(--t3); }
  .daily-summary .ds-meal .dm-val {
    font-family: 'Bebas Neue', sans-serif; font-size: 1.1rem; color: var(--t2);
  }

  /* ============================================================
    식사 탭
  ============================================================ */
  .meal-tabs { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
  .meal-tab {
    flex: 1; min-width: 70px; padding: 9px 6px; text-align: center;
    background: var(--input-bg); border: 1px solid var(--border);
    border-radius: 8px; cursor: pointer; font-size: 13px;
    color: var(--t2); font-weight: 500; transition: all .2s; position: relative;
  }
  .meal-tab.active {
    background: rgba(58, 159, 214, .12);
    border-color: var(--accent); color: var(--accent); font-weight: 700;
  }
  .tab-badge {
    position: absolute; top: -6px; right: -6px;
    background: var(--accent); color: #fff;
    font-size: 10px; font-weight: 700; border-radius: 999px;
    min-width: 18px; height: 18px;
    display: none; align-items: center; justify-content: center; padding: 0 4px;
  }
  .tab-badge.show { display: flex; }

  /* ============================================================
    음식 검색
  ============================================================ */
  .food-search-wrap { position: relative; margin-bottom: 10px; }
  .food-search-wrap input { padding-right: 44px; }

  .food-search-icon {
    position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
    color: var(--t3); font-size: 16px; pointer-events: none;
    transition: opacity .2s;
  }
  /* 로딩 스피너 (검색 중) */
  .food-search-icon.loading::before {
    content: '';
    display: inline-block;
    width: 16px; height: 16px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin .6s linear infinite;
    vertical-align: middle;
  }
  .food-search-icon.loading { font-size: 0; }

  /* ── 자동완성 드롭다운 ── */
  .autocomplete-list {
    position: absolute; top: calc(100% + 4px); left: 0; right: 0;
    background: var(--card); border: 1px solid var(--border);
    border-radius: 10px; box-shadow: 0 8px 24px rgba(58, 159, 214, .15);
    z-index: 100; max-height: 260px; overflow-y: auto; display: none;
  }
  .autocomplete-list.show { display: block; }
  .autocomplete-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 11px 14px; cursor: pointer; transition: background .15s;
    font-size: 14px; border-bottom: 1px solid var(--border);
  }
  .autocomplete-item:last-child { border-bottom: none; }
  .autocomplete-item:hover { background: var(--input-bg); }
  .autocomplete-item .ai-left { display: flex; flex-direction: column; gap: 2px; }
  .autocomplete-item .ai-name { color: var(--t1); font-size: 14px; }
  .autocomplete-item .ai-meta { font-size: 11px; color: var(--t3); }
  .autocomplete-item .ai-right { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; }
  .autocomplete-item .ai-kcal {
    font-family: 'Bebas Neue', sans-serif; font-size: 1.15rem; color: var(--accent);
  }
  .autocomplete-item .ai-serving { font-size: 10px; color: var(--t3); }

  /* 검색 없음 / 에러 메시지 */
  .autocomplete-msg {
    padding: 16px 14px; font-size: 13px; color: var(--t3); text-align: center;
  }
  .autocomplete-msg.error { color: var(--danger); }

  /* ── 카테고리 버튼 ── */
  .cat-scroll {
    display: flex; gap: 8px; overflow-x: auto;
    padding-bottom: 8px; margin-bottom: 8px; scrollbar-width: none;
  }
  .cat-scroll::-webkit-scrollbar { display: none; }
  .cat-btn {
    white-space: nowrap; padding: 6px 13px;
    background: var(--input-bg); border: 1px solid var(--border);
    border-radius: 999px; font-size: 12px; color: var(--t2);
    cursor: pointer; transition: all .2s; font-family: 'Noto Sans KR', sans-serif;
  }
  .cat-btn:hover,
  .cat-btn.active { background: rgba(58, 159, 214, .12); border-color: var(--accent); color: var(--accent); }

  /* ── 데이터 출처 배지 ── */
  .data-source-badge {
    font-size: 11px; color: var(--t3);
    margin-bottom: 14px; padding: 6px 12px;
    background: var(--input-bg); border-radius: 6px;
    border: 1px solid var(--border);
    transition: all .3s;
  }
  .data-source-badge.api-mode {
    color: var(--accent);
    background: rgba(58, 159, 214, .08);
    border-color: rgba(58, 159, 214, .25);
  }

  /* ============================================================
    모바일 가독성 보정
  ============================================================ */
  @media (max-width: 640px) {
    .card-title {
      font-size: 13px;
      letter-spacing: .08em;
    }

    label {
      font-size: 14px;
      font-weight: 600;
      letter-spacing: .01em;
      line-height: 1.4;
    }

    .toggle-group label {
      font-size: 14px;
      font-weight: 600;
      min-height: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .meal-tab {
      font-size: 14px;
      font-weight: 600;
      min-height: 42px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
    }

    .daily-summary .ds-left {
      font-size: 14px;
      font-weight: 600;
    }

    .dm-label {
      font-size: 12px;
      font-weight: 500;
    }

    .cat-btn {
      font-size: 13px;
      font-weight: 600;
    }

    .data-source-badge {
      font-size: 12px;
      line-height: 1.45;
    }

    .meal-subtotal .ms-label {
      font-size: 13px;
      letter-spacing: .03em;
    }
  }

  /* ============================================================
    추가된 음식 목록
  ============================================================ */
  .food-list { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
  .food-item {
    display: flex; align-items: center; justify-content: space-between;
    background: var(--input-bg); border: 1px solid var(--border);
    border-radius: 8px; padding: 10px 14px;
    animation: fadeUp .3s ease both;
  }
  .food-item .fi-left  { display: flex; align-items: center; gap: 10px; }
  .food-item .fi-emoji { font-size: 18px; }
  .food-item .fi-name  { font-size: 13px; color: var(--t1); font-weight: 500; }
  .food-item .fi-meta  { font-size: 11px; color: var(--t3); margin-top: 2px; }
  .food-item .fi-right { display: flex; align-items: center; gap: 4px; }
  .food-item .fi-kcal  {
    font-family: 'Bebas Neue', sans-serif; font-size: 1.1rem;
    color: var(--accent); margin-right: 6px;
  }
  .food-item .fi-del {
    background: none; border: none; cursor: pointer; color: var(--t3);
    font-size: 16px; padding: 2px 6px; border-radius: 6px; transition: all .2s;
  }
  .food-item .fi-del:hover { background: rgba(224, 92, 114, .12); color: var(--danger); }

  /* 출처 태그 */
  .src-tag {
    font-size: 10px; padding: 2px 6px; border-radius: 4px;
    font-weight: 700; letter-spacing: .04em;
  }
  .src-tag.mfds {
    background: rgba(58, 159, 214, .12); color: var(--accent);
  }
  .src-tag.local {
    background: rgba(142, 180, 204, .15); color: var(--t3);
  }

  /* ── 식사 소계 ── */
  .meal-subtotal {
    display: flex; justify-content: space-between; align-items: center;
    border-top: 1px solid var(--border); margin-top: 16px; padding-top: 14px;
  }
  .meal-subtotal .ms-label {
    font-size: 12px; color: var(--t2); letter-spacing: .06em; text-transform: uppercase;
  }
  .meal-subtotal .ms-val {
    font-family: 'Bebas Neue', sans-serif; font-size: 1.5rem; color: var(--accent);
  }

  /* ============================================================
    결과 카드
  ============================================================ */
  .result-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 24px;
  }
  @media (max-width: 480px) { .result-grid { grid-template-columns: 1fr 1fr; } }

  .result-item {
    background: var(--input-bg); border: 1px solid var(--border);
    border-radius: 10px; padding: 16px 14px; text-align: center; transition: transform .2s;
  }
  .result-item:hover { transform: translateY(-2px); }
  .result-item .ri-label { font-size: 11px; color: var(--t2); letter-spacing: .08em; margin-bottom: 8px; }
  .result-item .ri-value {
    font-family: 'Bebas Neue', sans-serif; font-size: 2rem;
    letter-spacing: .03em; color: var(--t1); line-height: 1;
  }
  .result-item .ri-unit  { font-size: 12px; color: var(--t2); margin-top: 4px; }
  .result-item.highlight .ri-value { color: var(--accent); }

  /* ── 목표 배지 ── */
  .goal-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 18px; border-radius: 999px;
    font-size: 13px; font-weight: 700; letter-spacing: .06em; margin-bottom: 24px;
  }
  .goal-badge.loss     { background: rgba(58, 159, 214, .12);  color: #2a7db5; border: 1px solid rgba(58, 159, 214, .35); }
  .goal-badge.maintain { background: rgba(107, 191, 223, .15); color: #2a7db5; border: 1px solid rgba(107, 191, 223, .40); }
  .goal-badge.gain     { background: rgba(232, 156,  56, .12); color: #b87110; border: 1px solid rgba(232, 156,  56, .35); }

  /* ── 진행 바 ── */
  .intake-section { margin-top: 24px; }
  .intake-label-row {
    display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px;
  }
  .intake-label-row span   { font-size: 12px; color: var(--t2); }
  .intake-label-row strong { font-size: 13px; color: var(--t1); }

  .progress-wrap {
    width: 100%; height: 16px; background: var(--input-bg);
    border-radius: 999px; overflow: hidden; border: 1px solid var(--border);
  }
  .progress-bar {
    height: 100%; border-radius: 999px; min-width: 4px; position: relative;
    transition: width .8s cubic-bezier(.22, 1, .36, 1), background .4s;
  }
  .progress-bar::after {
    content: ''; position: absolute; right: 0; top: 0; bottom: 0;
    width: 6px; background: rgba(255, 255, 255, .45); border-radius: 999px;
  }
  .progress-bar.ok   { background: linear-gradient(90deg, #2da8d8, #6bcde8); }
  .progress-bar.over { background: linear-gradient(90deg, #c0405a, #e05c72); }
  .progress-bar.warn { background: linear-gradient(90deg, #c87a10, #e89c38); }

  .progress-pct { text-align: center; margin-top: 10px; font-size: 13px; color: var(--t2); }
  .progress-pct span { font-weight: 700; font-size: 15px; }

  /* ── 매크로 ── */
  .macro-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 20px; }
  .macro-item {
    background: var(--input-bg); border: 1px solid var(--border);
    border-radius: 10px; padding: 14px 12px; text-align: center;
  }
  .macro-item .m-name { font-size: 11px; color: var(--t2); margin-bottom: 6px; }
  .macro-item .m-val  { font-family: 'Bebas Neue', sans-serif; font-size: 1.5rem; }
  .macro-item .m-unit { font-size: 11px; color: var(--t3); }
  .macro-item.protein .m-val { color: #2a7db5; }
  .macro-item.carb    .m-val { color: #b87110; }
  .macro-item.fat     .m-val { color: #c05a3a; }

  /* ── 차트 ── */
  .chart-wrap { position: relative; height: 220px; margin-top: 8px; }

  /* ── 플레이스홀더 ── */
  .placeholder-msg { text-align: center; padding: 40px 20px; color: var(--t3); font-size: 14px; }
  .placeholder-msg .icon { font-size: 36px; display: block; margin-bottom: 12px; }

  /* ============================================================
    애니메이션
  ============================================================ */
  @keyframes fadeUp   { from { opacity: 0; transform: translateY(18px);  } to { opacity: 1; transform: translateY(0); } }
  @keyframes fadeDown { from { opacity: 0; transform: translateY(-14px); } to { opacity: 1; transform: translateY(0); } }
  @keyframes pop      { 0% { transform: scale(.85); opacity: 0; } 80% { transform: scale(1.03); } 100% { transform: scale(1); opacity: 1; } }
  @keyframes spin     { to { transform: rotate(360deg); } }

  .anim-pop    { animation: pop .45s ease both; }
  .left-col    { animation-delay: .05s; }
  .right-col   { animation-delay: .15s; }
  .meal-card   { animation-delay: .25s; }
  .result-card { animation-delay: .35s; }
  .chart-card  { animation-delay: .45s; }

  /* 스크롤바 */
  ::-webkit-scrollbar       { width: 6px; }
  ::-webkit-scrollbar-track { background: #dceefb; }
  ::-webkit-scrollbar-thumb { background: #bdd8f2; border-radius: 999px; }