/* style.css */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #f9f9f9;
  --bg-secondary: #ffffff;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --border-color: #e0e0e0;
  --accent: #fd3a8c;
  --accent-hover: #f9275f;
  --card-bg: #ffffff;
  --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  --header-bg: #ffffff;
  --ad-bg: #f0f0f0;
  --ad-text: #999999;
  --search-bg: #ffffff;
  --search-border: #e0e0e0;
  --tab-active: #fd3a8c;
  --tab-inactive: #666666;
  --checkin-bg: linear-gradient(135deg, #fd3a8c, #ff6b9d);
  --modal-bg: #ffffff;
  --overlay-bg: rgba(0, 0, 0, 0.5);
  --transition: 0.3s ease;
}

.dark-mode {
  --bg-primary: #14171b;
  --bg-secondary: #1e2126;
  --text-primary: #e8e8e8;
  --text-secondary: #a0a0a0;
  --border-color: #2a2d33;
  --card-bg: #1e2126;
  --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  --header-bg: #1a1d21;
  --ad-bg: #2a2d33;
  --ad-text: #777777;
  --search-bg: #1e2126;
  --search-border: #2a2d33;
  --tab-inactive: #a0a0a0;
  --checkin-bg: linear-gradient(135deg, #b02a63, #c74580);
  --modal-bg: #1e2126;
  --overlay-bg: rgba(0, 0, 0, 0.7);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background-color var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 12px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 顶部 */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--header-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 0 12px;
  margin: 0 -12px;
  padding-left: 12px;
  padding-right: 12px;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.logo-area {
  display: flex;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.2rem;
}

.logo i {
  color: var(--accent);
  font-size: 1.4rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}

.icon-btn {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--transition);
}

.icon-btn:hover {
  background-color: var(--ad-bg);
  border-color: var(--accent);
  color: var(--accent);
}

.lang-label {
  font-size: 0.6rem;
  font-weight: 700;
  margin-left: 2px;
  text-transform: uppercase;
}

#langBtn {
  width: auto;
  border-radius: 20px;
  padding: 0 12px;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 600;
}

.lang-dropdown {
  display: none;
  position: absolute;
  top: 56px;
  right: 12px;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--card-shadow);
  padding: 8px 0;
  z-index: 300;
  min-width: 160px;
}

.lang-dropdown.show {
  display: block;
}

.lang-option {
  display: block;
  width: 100%;
  padding: 10px 20px;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--text-primary);
  font-family: inherit;
}

.lang-option:hover {
  background-color: var(--ad-bg);
  color: var(--accent);
}

/* 搜索 */
.search-section {
  margin-top: 4px;
}

.search-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}

.search-tab {
  padding: 6px 16px;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  background-color: transparent;
  color: var(--tab-inactive);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.search-tab.active {
  background-color: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.search-form {
  display: flex;
  align-items: center;
  background-color: var(--search-bg);
  border: 1px solid var(--search-border);
  border-radius: 25px;
  overflow: hidden;
}

.search-form:focus-within {
  border-color: var(--accent);
}

#searchInput {
  flex: 1;
  padding: 12px 16px;
  border: none;
  background: transparent;
  font-size: 1rem;
  color: var(--text-primary);
  outline: none;
}

#searchInput::placeholder {
  color: var(--text-secondary);
}

.search-form button {
  padding: 12px 20px;
  background-color: var(--accent);
  border: none;
  color: #ffffff;
  cursor: pointer;
  font-size: 1rem;
}

.search-form button:hover {
  background-color: var(--accent-hover);
}

/* 签到栏 */
.checkin-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--checkin-bg);
  border-radius: 12px;
  padding: 12px 16px;
  margin: 12px 0;
  color: #ffffff;
  position: relative;
  z-index: 10;
}

.checkin-text {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  flex: 1;
  min-width: 0;
}

.checkin-text i {
  font-size: 1.1rem;
  flex-shrink: 0;
}

.checkin-text span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.checkin-btn {
  background-color: #ffffff;
  color: var(--accent);
  border: none;
  border-radius: 20px;
  padding: 8px 18px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  font-family: inherit;
  position: relative;
  z-index: 11;
}

.checkin-btn:not(:disabled):hover {
  transform: scale(1.03);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.checkin-btn:disabled {
  opacity: 0.7;
  cursor: default;
}

.checkin-bar.checked .checkin-btn {
  background-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
  cursor: default;
}

/* 广告横幅 */
.ad-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 70px;
  background-color: var(--ad-bg);
  color: var(--ad-text);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 10px;
  margin: 12px 0;
  border: 2px dashed var(--border-color);
  letter-spacing: 1px;
  text-transform: uppercase;
  flex-shrink: 0;
}

/* 分类 */
.main-content {
  flex: 1;
}

.category {
  margin-bottom: 20px;
}

.category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.category-header h2 {
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
}

.category-header h2 i {
  color: var(--accent);
  font-size: 1rem;
}

.more-link {
  background: none;
  border: none;
  font-size: 0.8rem;
  color: var(--accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: inherit;
  padding: 6px 10px;
  position: relative;
  z-index: 5;
}

.more-link:hover {
  color: var(--accent-hover);
}

.more-link i {
  transition: transform var(--transition);
}

.more-link.expanded i {
  transform: rotate(180deg);
}

/* 网站网格 */
.sites-grid {
  display: grid;
  /* 手机端强制 2 列 */
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

/* 默认状态：隐藏第7个及之后的卡片 */
.sites-grid:not(.expanded) .site-card:nth-child(n+7) {
  display: none;
}

@media (min-width: 768px) {
  .sites-grid {
    /* 平板端 3 列 */
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
  .app-wrapper {
    padding: 0 20px;
  }
  .header {
    margin: 0 -20px;
    padding-left: 20px;
    padding-right: 20px;
  }
  .lang-dropdown {
    right: 20px;
  }
}

@media (min-width: 1024px) {
  .sites-grid {
    /* 桌面端 4 列 */
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 网站卡片 */
.site-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 10px;
  background-color: var(--card-bg);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-primary);
  box-shadow: var(--card-shadow);
  border: 1px solid transparent;
  min-width: 0;
}

.site-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(253, 58, 140, 0.15);
}

.site-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
  color: var(--accent);
}

.site-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1;
}

.site-name {
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2;
}

.site-desc {
  font-size: 0.68rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

/* 页脚 */
.footer {
  text-align: center;
  padding: 24px 0 20px;
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.78rem;
}

.footer-links {
  margin-top: 6px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent);
}

/* 模态框 */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: var(--overlay-bg);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.show {
  display: flex;
}

.modal-container {
  background-color: var(--modal-bg);
  border-radius: 18px;
  padding: 28px 22px 22px;
  width: 100%;
  max-width: 380px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 14px;
  background: none;
  border: none;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0 4px;
  font-family: inherit;
}

.modal-close:hover {
  color: var(--accent);
}

.modal-step {
  text-align: center;
}

.modal-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.8rem;
}

.modal-icon.success {
  background-color: rgba(40, 200, 120, 0.12);
  color: #28c878;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.modal-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.5;
}

.modal-btn {
  display: block;
  width: 100%;
  padding: 13px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background-color: transparent;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.modal-btn.primary {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

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

.modal-btn:not(.primary):hover {
  background-color: var(--ad-bg);
  border-color: var(--accent);
  color: var(--accent);
}

.claim-form {
  text-align: left;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  margin-top: 14px;
}

.form-label:first-of-type {
  margin-top: 0;
}

.form-input,
.form-select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--accent);
}

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

.form-select {
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3e%3cpolyline points='6 9 12 15 18 9'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 38px;
}

.claim-form .modal-btn {
  margin-top: 22px;
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: 4px;
}

/* 触摸优化 */
@media (hover: none) {
  .site-card:hover {
    transform: none;
    border-color: transparent;
  }
}

/* 安全区域 */
@supports (padding: max(0px)) {
  .app-wrapper {
    padding-left: max(12px, env(safe-area-inset-left));
    padding-right: max(12px, env(safe-area-inset-right));
  }
  .header {
    padding-left: max(12px, env(safe-area-inset-left));
    padding-right: max(12px, env(safe-area-inset-right));
  }
}