* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: #f5f6f8;
  color: #1c1c1e;
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
}

header.app-header {
  position: sticky;
  top: 0;
  background: #ff5e3a;
  color: #fff;
  padding: 14px 16px;
  z-index: 10;
}

header.app-header h1 {
  margin: 0;
  font-size: 18px;
}

.search-bar {
  padding: 10px 16px;
  background: #fff;
}

.search-bar form {
  display: flex;
  gap: 8px;
}

.search-bar input[type="text"] {
  flex: 1;
  padding: 8px 12px;
  border-radius: 20px;
  border: 1px solid #ddd;
}

.chip-row {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 8px 16px;
  background: #fff;
}

.chip {
  flex-shrink: 0;
  padding: 6px 12px;
  border-radius: 16px;
  background: #f0f0f2;
  color: #444;
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
}

.chip.active {
  background: #ff5e3a;
  color: #fff;
}

.sort-row {
  display: flex;
  gap: 10px;
  padding: 6px 16px 10px;
  font-size: 12px;
  background: #fff;
  border-bottom: 1px solid #eee;
}

.sort-row a {
  color: #888;
  text-decoration: none;
}

.sort-row a.active {
  color: #ff5e3a;
  font-weight: 600;
}

.coupon-list {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.coupon-card {
  display: block;
  background: #fff;
  border-radius: 12px;
  padding: 14px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.coupon-card .badge {
  display: inline-block;
  font-size: 11px;
  background: #ffe6de;
  color: #ff5e3a;
  padding: 2px 8px;
  border-radius: 10px;
  margin-bottom: 6px;
}

.coupon-card .featured {
  background: #fff3cd;
  color: #b8860b;
}

.coupon-card h3 {
  margin: 4px 0;
  font-size: 15px;
}

.coupon-card .merchant {
  font-size: 13px;
  color: #777;
}

.coupon-card .benefit {
  font-size: 14px;
  color: #ff5e3a;
  font-weight: 700;
  margin-top: 6px;
}

.coupon-card .distance {
  float: right;
  font-size: 12px;
  color: #2f6bff;
  font-weight: 600;
}

.main-map {
  width: 100%;
  height: 42vh;
}

.location-status {
  padding: 8px 16px;
  font-size: 12px;
  color: #777;
  background: #fff;
  border-bottom: 1px solid #eee;
}

.section-title {
  font-size: 14px;
  color: #555;
  margin: 4px 4px 0;
}

.empty-state {
  text-align: center;
  color: #999;
  padding: 60px 20px;
}

.detail-page {
  padding: 16px;
}

.detail-page h2 {
  margin-top: 0;
}

.detail-section {
  background: #fff;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
}

.detail-section h4 {
  margin: 0 0 8px;
  font-size: 13px;
  color: #999;
}

.map-box {
  width: 100%;
  height: 200px;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 12px;
}

.cta {
  display: block;
  text-align: center;
  padding: 14px;
  border-radius: 10px;
  background: #ff5e3a;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  margin-top: 10px;
}

.back-link {
  display: inline-block;
  color: #fff;
  text-decoration: none;
  margin-right: 8px;
}

nav.bottom-nav {
  position: sticky;
  bottom: 0;
  display: flex;
  background: #fff;
  border-top: 1px solid #eee;
}

nav.bottom-nav a {
  flex: 1;
  text-align: center;
  padding: 10px;
  color: #888;
  text-decoration: none;
  font-size: 13px;
}

nav.bottom-nav a.active {
  color: #ff5e3a;
  font-weight: 700;
}

.admin-page {
  max-width: 720px;
  margin: 20px auto;
  padding: 0 16px;
  font-family: sans-serif;
}

.admin-page table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

.admin-page th, .admin-page td {
  border: 1px solid #ddd;
  padding: 8px;
  font-size: 13px;
  text-align: left;
}

.admin-page form.admin-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 480px;
}

.admin-page label {
  font-size: 13px;
  font-weight: 600;
}

.admin-page input, .admin-page textarea, .admin-page select {
  padding: 8px;
  font-size: 14px;
}

.admin-page button {
  padding: 10px;
  background: #ff5e3a;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}