/* ===== 全局重置 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
  background-color: #fff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
  body {
    background-color: #202124;
    color: #e8eaed;
  }
}

/* ===== 顶部栏 ===== */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 10px 20px;
  gap: 8px;
  position: absolute;
  top: 0;
  right: 0;
  z-index: 10;
}

.top-link {
  font-size: 13px;
  color: #202124;
  text-decoration: none;
  padding: 6px 8px;
  border-radius: 4px;
  transition: background-color 0.15s;
}

.top-link:hover {
  background-color: rgba(0, 0, 0, 0.06);
  text-decoration: underline;
}

@media (prefers-color-scheme: dark) {
  .top-link { color: #e8eaed; }
  .top-link:hover { background-color: rgba(255, 255, 255, 0.08); }
}

.top-icon,
.top-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s;
}

.top-icon:hover { background-color: rgba(0, 0, 0, 0.06); }

.top-avatar {
  background-color: #1a73e8;
  color: #fff;
}

.avatar-letter {
  font-size: 16px;
  font-weight: 500;
  color: #fff;
}

/* ===== 主体内容 ===== */
.main-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding-bottom: 80px;
  width: 100%;
}

/* ===== Logo ===== */
.logo-container {
  margin-bottom: 28px;
}

.google-logo {
  display: block;
}

@media (max-width: 600px) {
  .google-logo {
    width: 180px;
    height: auto;
  }
}

/* ===== 搜索框 ===== */
.search-wrapper {
  position: relative;
  width: 100%;
  max-width: 584px;
  padding: 0 20px;
}

.search-container {
  display: flex;
  align-items: center;
  height: 44px;
  border: 1px solid #dfe1e5;
  border-radius: 24px;
  background: #fff;
  padding: 0 14px 0 16px;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.search-container:hover,
.search-container.focused {
  box-shadow: 0 1px 6px rgba(32, 33, 36, 0.28);
  border-color: rgba(223, 225, 229, 0);
}

@media (prefers-color-scheme: dark) {
  .search-container {
    background: #303134;
    border-color: #5f6368;
  }
  .search-container:hover,
  .search-container.focused {
    background: #303134;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
  }
}

.search-icon {
  display: flex;
  align-items: center;
  margin-right: 10px;
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 16px;
  background: transparent;
  color: #202124;
  height: 100%;
}

.search-input::placeholder {
  color: #9aa0a6;
}

@media (prefers-color-scheme: dark) {
  .search-input { color: #e8eaed; }
  .search-input::placeholder { color: #9aa0a6; }
}

.search-mic {
  display: flex;
  align-items: center;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  flex-shrink: 0;
}

.search-mic:hover {
  background-color: rgba(0, 0, 0, 0.06);
}

/* ===== 搜索建议下拉框 ===== */
.suggestions-dropdown {
  position: absolute;
  top: 100%;
  left: 20px;
  right: 20px;
  background: #fff;
  border-radius: 0 0 24px 24px;
  box-shadow: 0 4px 6px rgba(32, 33, 36, 0.28);
  overflow: hidden;
  z-index: 100;
  margin-top: -1px;
  border: 1px solid #dfe1e5;
  border-top: none;
}

@media (prefers-color-scheme: dark) {
  .suggestions-dropdown {
    background: #303134;
    border-color: #5f6368;
  }
}

.suggestions-list {
  list-style: none;
  padding: 6px 0;
}

.suggestion-item {
  display: flex;
  align-items: center;
  padding: 8px 20px;
  cursor: pointer;
  font-size: 16px;
  color: #202124;
  transition: background-color 0.1s;
}

.suggestion-item:hover,
.suggestion-item.active {
  background-color: rgba(0, 0, 0, 0.06);
}

@media (prefers-color-scheme: dark) {
  .suggestion-item { color: #e8eaed; }
  .suggestion-item:hover,
  .suggestion-item.active { background-color: rgba(255, 255, 255, 0.08); }
}

.suggestion-item .sug-icon {
  width: 20px;
  height: 20px;
  margin-right: 12px;
  flex-shrink: 0;
  opacity: 0.6;
}

.suggestion-item .sug-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.suggestion-item .sug-text b {
  font-weight: 700;
}

/* ===== 快捷方式磁贴 ===== */
.shortcuts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 28px;
  max-width: 600px;
  padding: 0 20px;
}

.shortcut {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 112px;
  padding: 12px 4px;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s;
  position: relative;
}

.shortcut:hover {
  background-color: rgba(0, 0, 0, 0.06);
}

@media (prefers-color-scheme: dark) {
  .shortcut:hover { background-color: rgba(255, 255, 255, 0.08); }
}

.shortcut-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  font-size: 20px;
  font-weight: 500;
  color: #fff;
  overflow: hidden;
}

.shortcut-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.shortcut-title {
  font-size: 12px;
  color: #202124;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 100%;
}

@media (prefers-color-scheme: dark) {
  .shortcut-title { color: #e8eaed; }
}

/* ===== 右下角自定义按钮 ===== */
.customize-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: box-shadow 0.15s, background-color 0.15s;
}

.customize-btn:hover {
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

@media (prefers-color-scheme: dark) {
  .customize-btn { background: #303134; }
}