:root {
  --bg-gradient: linear-gradient(135deg, #f7efe5, #e8f4f8);
  --text-color: #222;
  --header-gradient: linear-gradient(135deg, #6f4e37, #a77955);
  --card-bg: white;
  --card-shadow: rgba(0, 0, 0, 0.08);
  --button-bg: #6f4e37;
  --button-hover: #4f3524;
  --status-color: #666;
  --info-box-bg: #faf7f2;
  --info-box-border: #eee1d5;
  --info-box-title: #5a3926;
  --weather-temp-color: #6f4e37;
  --recommend-menu-color: #2d5c4d;
  --cafe-card-bg: #fff;
  --cafe-card-border: #eee;
  --cafe-card-title: #4f3524;
  --tag-bg: #e8f4f8;
  --tag-color: #276678;
  --footer-color: #777;
}

[data-theme="dark"] {
  --bg-gradient: linear-gradient(135deg, #1a1a1a, #2c2c2c);
  --text-color: #e0e0e0;
  --header-gradient: linear-gradient(135deg, #3e2723, #5d4037);
  --card-bg: #2d2d2d;
  --card-shadow: rgba(0, 0, 0, 0.3);
  --button-bg: #8d6e63;
  --button-hover: #a1887f;
  --status-color: #bbb;
  --info-box-bg: #333;
  --info-box-border: #444;
  --info-box-title: #d7ccc8;
  --weather-temp-color: #d7ccc8;
  --recommend-menu-color: #81c784;
  --cafe-card-bg: #333;
  --cafe-card-border: #444;
  --cafe-card-title: #d7ccc8;
  --tag-bg: #37474f;
  --tag-color: #81d4fa;
  --footer-color: #999;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Pretendard", "Noto Sans KR", Arial, sans-serif;
  background: var(--bg-gradient);
  color: var(--text-color);
  transition: background 0.3s, color 0.3s;
  min-height: 100vh;
}

/* 네비게이션 바 스타일 */
.nav-bar {
  background: var(--card-bg);
  box-shadow: 0 2px 10px var(--card-shadow);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: background 0.3s;
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

.nav-logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--button-bg);
  text-decoration: none;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 25px;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 600;
  font-size: 15px;
  transition: 0.2s;
}

.nav-links a:hover {
  color: var(--button-bg);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
}

header {
  padding: 80px 20px 60px;
  text-align: center;
  background: var(--header-gradient);
  color: white;
  position: relative;
}

header h1 {
  margin: 0;
  font-size: 34px;
  font-weight: 800;
}

header p {
  margin-top: 14px;
  font-size: 17px;
  opacity: 0.95;
}

.theme-toggle {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: 0.2s;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.3);
}

main {
  max-width: 1100px;
  margin: -30px auto 60px;
  padding: 0 20px;
}

.card {
  background: var(--card-bg);
  border-radius: 22px;
  padding: 28px;
  margin-bottom: 24px;
  box-shadow: 0 12px 35px var(--card-shadow);
  transition: background 0.3s, box-shadow 0.3s;
}

.center {
  text-align: center;
}

button:not(.theme-toggle) {
  border: none;
  background: var(--button-bg);
  color: white;
  padding: 15px 26px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.2s;
}

button:not(.theme-toggle):hover {
  background: var(--button-hover);
  transform: translateY(-2px);
}

.status {
  margin-top: 18px;
  color: var(--status-color);
  line-height: 1.6;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.info-box {
  background: var(--info-box-bg);
  border-radius: 18px;
  padding: 22px;
  border: 1px solid var(--info-box-border);
}

.info-box h2 {
  margin-top: 0;
  font-size: 22px;
  color: var(--info-box-title);
}

.weather-temp {
  font-size: 42px;
  font-weight: 800;
  margin: 12px 0;
  color: var(--weather-temp-color);
}

.recommend-menu {
  font-size: 20px;
  font-weight: 800;
  color: var(--recommend-menu-color);
  margin-top: 10px;
  line-height: 1.5;
}

.cafe-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.cafe-card {
  background: var(--cafe-card-bg);
  border: 1px solid var(--cafe-card-border);
  border-radius: 18px;
  padding: 20px;
  transition: 0.2s, background 0.3s, border 0.3s;
}

.cafe-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px var(--card-shadow);
}

.cafe-card h3 {
  margin: 0 0 8px;
  color: var(--cafe-card-title);
}

.cafe-card p {
  margin: 6px 0;
  color: var(--status-color);
  font-size: 14px;
  line-height: 1.5;
}

.cafe-card a {
  display: inline-block;
  margin-top: 10px;
  color: var(--button-bg);
  font-weight: 700;
  text-decoration: none;
}

.tag {
  display: inline-block;
  padding: 6px 10px;
  background: var(--tag-bg);
  color: var(--tag-color);
  border-radius: 999px;
  font-size: 13px;
  margin-top: 8px;
}

/* 텍스트 콘텐츠 스타일 */
.content-text {
  text-align: left;
  line-height: 1.8;
  color: var(--text-color);
}

.content-text h3 {
  margin-top: 25px;
  color: var(--info-box-title);
}

.content-text ul {
  padding-left: 20px;
}

.privacy-box {
  background: var(--info-box-bg);
  padding: 20px;
  border-radius: 12px;
  font-size: 14px;
  border: 1px solid var(--info-box-border);
}

/* 푸터 강화 스타일 */
footer {
  background: var(--card-bg);
  border-top: 1px solid var(--cafe-card-border);
  padding: 40px 20px;
  margin-top: 60px;
  transition: background 0.3s;
}

.footer-content {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.footer-links {
  margin-top: 15px;
}

.footer-links a {
  color: var(--button-bg);
  text-decoration: none;
  font-weight: 600;
  margin: 0 10px;
}

.hidden {
  display: none;
}

/* 매거진 섹션 스타일 */
.magazine-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.magazine-item {
  text-align: left;
  padding: 20px;
  border-bottom: 1px solid var(--cafe-card-border);
}

.magazine-tag {
  display: inline-block;
  background: var(--button-bg);
  color: white;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.magazine-item h3 {
  font-size: 20px;
  margin: 0 0 12px;
  color: var(--info-box-title);
  line-height: 1.4;
}

.magazine-item p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-color);
  opacity: 0.9;
}

/* 갤러리 그리드 스타일 */
.gallery-grid {
  margin-top: 20px;
}

.gallery-item {
  background: var(--info-box-bg);
  padding: 25px;
  border-radius: 18px;
  border: 1px solid var(--info-box-border);
  transition: 0.3s;
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px var(--card-shadow);
}

.gallery-item h3 {
  margin: 12px 0 8px;
  color: var(--info-box-title);
}

.gallery-item p {
  font-size: 14px;
  color: var(--status-color);
  line-height: 1.6;
}

/* 탭 스타일 */
.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--cafe-card-border);
  padding-bottom: 10px;
}

.tab-btn {
  background: none;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  color: var(--status-color);
  transition: 0.2s;
  border-radius: 8px;
}

.tab-btn.active {
  color: var(--button-bg);
  background: rgba(111, 78, 55, 0.1);
}

.tab-btn:hover:not(.active) {
  background: rgba(0, 0, 0, 0.05);
}

/* AI 메뉴 인식 섹션 스타일 */
.ai-section {
  text-align: center;
}

.ai-controls {
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 40px 20px;
  border: 2px dashed var(--cafe-card-border);
  border-radius: 22px;
  transition: 0.3s;
}

.ai-controls.drag-over {
  border-color: var(--button-bg);
  background: rgba(111, 78, 55, 0.05);
  transform: scale(1.02);
}

.file-upload-btn {
  display: inline-block;
  background: var(--button-bg);
  color: white;
  padding: 15px 30px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.2s;
}

.file-upload-btn:hover {
  background: var(--button-hover);
  transform: translateY(-2px);
}

#image-preview-container {
  max-width: 100%;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 4px 15px var(--card-shadow);
  border: 1px solid var(--cafe-card-border);
  background: #f9f9f9;
  padding: 10px;
}

#imagePreview {
  max-width: 100%;
  max-height: 400px;
  border-radius: 12px;
  display: block;
}

.label-container {
  width: 100%;
  max-width: 400px;
  text-align: left;
  background: var(--info-box-bg);
  padding: 20px;
  border-radius: 18px;
  font-size: 15px;
  border: 1px solid var(--info-box-border);
}

.label-container div {
  margin-bottom: 8px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
}

#aiRecommendation {
  margin-top: 30px;
}

#aiResultContent {
  text-align: left;
}

/* 제휴 문의 폼 스타일 */
.contact-section {
  max-width: 600px;
  margin: 0 auto 24px;
}

.contact-form {
  margin-top: 24px;
  text-align: left;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 15px;
  color: var(--info-box-title);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--cafe-card-border);
  background: var(--cafe-card-bg);
  color: var(--text-color);
  font-family: inherit;
  font-size: 15px;
  transition: 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--button-bg);
  box-shadow: 0 0 0 3px rgba(111, 78, 55, 0.1);
}

.contact-form button {
  width: 100%;
  margin-top: 10px;
}

/* 댓글 섹션 스타일 */
.comment-section {
  max-width: 800px;
  margin: 0 auto 60px;
}

.comment-section h2 {
  margin-bottom: 24px;
  font-size: 22px;
  color: var(--info-box-title);
}