:root {
  --primary-color: #e1306c; /* Instagram粉红色 */
  --primary-hover: #c13584; /* 深一点的Instagram粉红色 */
  --secondary-color: #f8f9fa;
  --text-color: #202124;
  --text-secondary: #5f6368;
  --border-color: #dadce0;
  --instagram-color: #e1306c;
  --instagram-hover: #c13584;
  --success-color: #34a853;
  --error-color: #ea4335;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --gradient-start: #405de6; /* Instagram渐变起始色 */
  --gradient-mid: #5851db;
  --gradient-mid2: #833ab4;
  --gradient-mid3: #c13584;
  --gradient-end: #fd1d1d; /* Instagram渐变结束色 */
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body {
  background-color: #f8f9fa;
  color: var(--text-color);
  line-height: 1.6;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 24px;
  padding-top: 10px;
}

.logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}

.logo {
  position: relative;
  width: 40px;
  height: 40px;
  margin-right: 12px;
}

.logo i {
  position: absolute;
  font-size: 24px;
}

.logo .fa-search {
  color: var(--primary-color);
  top: 0;
  left: 0;
  transform: rotate(-45deg);
}

.logo .fa-instagram {
  color: var(--primary-color);
  bottom: 0;
  right: 0;
}

header h1 {
  font-size: 32px;
  color: var(--primary-color);
  font-weight: 700;
  background: linear-gradient(45deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

header p {
  color: var(--text-secondary);
}

.search-card {
  background-color: white;
  border-radius: 8px;
  box-shadow: var(--card-shadow);
  padding: 20px;
  margin-bottom: 24px;
  transition: all 0.3s ease;
}

.search-card:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.search-input-container {
  display: flex;
  margin-bottom: 16px;
}

.input-wrapper {
  position: relative;
  flex: 1;
}

input[type='text'] {
  width: 100%;
  padding: 12px 40px 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 16px;
  outline: none;
  transition: all 0.2s ease;
}

input[type='text']:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(225, 48, 108, 0.2);
}

.clear-button {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.clear-button:hover {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--text-color);
}

.search-button {
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 0 20px;
  cursor: pointer;
  transition: background-color 0.2s;
  margin-left: 8px;
}

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

/* 移动端手风琴菜单 */
.mobile-accordion {
  margin-top: 16px;
}

.accordion-toggle {
  width: 100%;
  background-color: #f5f5f5;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 10px 16px;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s;
}

.accordion-toggle:hover {
  background-color: #efefef;
}

.accordion-toggle i {
  transition: transform 0.3s;
}

.accordion-toggle.active i {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  border-radius: 0 0 4px 4px;
}

.accordion-content.show {
  max-height: 500px;
  padding: 16px;
}

/* 桌面端选项 */
.desktop-options {
  display: none;
  margin-top: 16px;
}

/* 搜索选项网格布局 */
.search-options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .search-options-grid {
    grid-template-columns: 1fr 1fr;
  }

  .mobile-accordion {
    display: none;
  }

  .desktop-options {
    display: block;
  }

  .accordion-content {
    max-height: none;
    overflow: visible;
    border: none;
    padding: 0;
  }

  .search-options-grid {
    margin-top: 16px;
  }
}

.option-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.option-group label {
  white-space: nowrap;
}

select {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: white;
  font-size: 14px;
  transition: all 0.2s;
  flex: 1;
  min-width: 0;
}

select:focus {
  border-color: var(--primary-color);
  outline: none;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.results-header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.results-header .results-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

#copy-all-button,
#export-button {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--instagram-color);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 8px 16px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

#copy-all-button:hover:not(:disabled),
#export-button:hover:not(:disabled) {
  background-color: var(--instagram-hover);
}

#copy-all-button:disabled,
#export-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#copy-all-button i,
#export-button i {
  /* margin-right: 4px; */
}

.result-card {
  background-color: white;
  border-radius: 8px;
  box-shadow: var(--card-shadow);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
  animation: fadeIn 0.5s ease;
  border-left: 3px solid var(--primary-color);
}

.result-card:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.result-content {
  display: flex;
  align-items: center;
  padding: 16px;
  gap: 16px;
}

.result-checkbox {
  flex-shrink: 0;
  margin: 0;
}

.result-info {
  flex: 1;
  min-width: 0;
  margin-right: 16px;
}

.result-username {
  font-weight: 500;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.result-followers {
  font-size: 14px;
  color: var(--text-secondary);
}

.instagram-button {
  background: none;
  border: none;
  color: var(--instagram-color);
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: all 0.2s;
  flex-shrink: 0;
}

.instagram-button:hover {
  background-color: rgba(225, 48, 108, 0.1);
  color: var(--instagram-hover);
}

.instagram-button i {
  font-size: 20px;
}

.hidden {
  display: none !important;
}

#loading {
  text-align: center;
  padding: 40px 0;
}

.spinner {
  border: 4px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  border-top: 4px solid var(--primary-color);
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.progress-container {
  width: 100%;
  max-width: 300px;
  height: 6px;
  background-color: #e0e0e0;
  border-radius: 3px;
  margin: 16px auto;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--primary-color);
  width: 0%;
  transition: width 0.3s ease;
}

.progress-text {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
}

.empty-state {
  text-align: center;
  padding: 40px 0;
  color: var(--text-secondary);
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  color: var(--primary-color);
  opacity: 0.5;
}

.empty-state h3 {
  margin-bottom: 8px;
  font-weight: 500;
}

.error-message {
  text-align: center;
  padding: 20px;
  background-color: #fdeded;
  border-radius: 8px;
  color: var(--error-color);
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.error-message i {
  font-size: 24px;
}

.pagination {
  margin-top: 24px;
  text-align: center;
}

.load-more-button {
  background-color: white;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  border-radius: 4px;
  padding: 10px 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.load-more-button:hover {
  background-color: rgba(225, 48, 108, 0.1);
}

footer {
  text-align: center;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 14px;
}

/* 自定义复选框样式 */
input[type='checkbox'] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  position: relative;
  transition: all 0.2s;
  flex-shrink: 0;
  margin: 0; /* 移除默认边距 */
}

input[type='checkbox']:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

input[type='checkbox']:checked::after {
  content: '✓';
  position: absolute;
  color: white;
  font-size: 14px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  line-height: 1;
}

input[type='checkbox']:indeterminate {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

input[type='checkbox']:indeterminate::after {
  content: '-';
  position: absolute;
  color: white;
  font-size: 14px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/**new**/
.copy-button {
  background-color: #4caf50;
  color: white;
  border: none;
  border-radius: 4px;
  padding: 8px 12px;
  cursor: pointer;
  transition: background-color 0.3s;
  margin-left: 8px;
}

.copy-button:hover {
  background-color: #45a049;
}

.result-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  margin-left: auto;
  padding: 8px;
}

.action-button {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 18px;
  background-color: var(--instagram-color);
  color: white;
}

.action-button:hover {
  background-color: var(--instagram-hover);
}

.select-all-container {
  display: flex;
  align-items: center;
  gap: 8px;
}

.select-all-container label {
  display: flex;
  align-items: center;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  line-height: 1;
}

.result-snippet {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}