:root {
  --primary-color: #3498db;
  /* 蓝色系 */
  --blue-light: #64b5f6;   /* 浅蓝色 */
  --blue-main: #42a5f5;    /* 主蓝色 */
  --blue-dark: #1e88e5;   /* 深蓝色 */
  /* 绿色系 */
  --green-light: #81c784;  /* 浅绿色 */
  --green-main: #66bb6a;  /* 主绿色 */
  --green-dark: #43a047;  /* 深绿色 */

  --secondary-color: #2980b9;
  --background-color: #f8f9fa;
  --text-color: #333;
  --border-color: #ddd;
  --success-color: #2ecc71;
  --error-color: #e74c3c;
  --warning-color: #f39c12;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  background-color: var(--background-color);
  color: var(--text-color);
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}
header {
  text-align: center;
  padding: 20px 0;
  margin-bottom: 30px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);

}
h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.subtitle {
  font-size: 1.2rem;
  opacity: 0.9;
}

.container {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 30px;
}

@media (max-width: 1000px) {
  .container {
    grid-template-columns: 1fr;
  }
}

.panel {
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.5);
  box-shadow: 0 5px 10px rgba(255,255,255,0.5);
  padding: 25px;
  margin-bottom: 30px;
  transition: transform 0.3s ease;
}

.panel:hover {
  transform: translateY(-5px);
}

.panel-title {
  font-size: 1.5rem;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--primary-color);
  color: var(--primary-color);
  display: flex;
  align-items: center;
}

.panel-title i {
  margin-right: 10px;
  font-size: 1.2em;
}

.hitokoto-card {
  text-align: center;
  padding: 40px 20px;
  margin-bottom: 30px;
  border-radius: 10px;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.hitokoto-card:hover {
  box-shadow: 0 8px 15px rgba(0,0,0,0.1);
  border-color: var(--primary-color);
}

.hitokoto-text {
  font-size: 1.8rem;
  font-weight: 500;
  margin-bottom: 20px;
  line-height: 1.4;
/*  color: #2c3e50;*/
  color: var(--primary-color);
}

.hitokoto-info {
  color: #7f8c8d;
  font-style: italic;
  margin-top: 15px;
  font-size: 1.1rem;
}

.hitokoto-meta {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 15px;
  color: #555;
  font-size: 0.9rem;
  flex-wrap: wrap;
}

.hitokoto-meta span {
  background-color: #f1f2f6;
  padding: 5px 10px;
  border-radius: 15px;
  font-size: 0.85rem;
}

.controls {
  display: grid;
  gap: 10px;
}

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

.control-group-title {
  font-size: 1.1rem;
  margin-bottom: 10px;
  font-weight: 600;
  display: flex;
  align-items: center;
}

.control-group-title i {
  margin-right: 8px;
  color: var(--primary-color);
}

.control-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #34495e;
}

.category-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.category-item {
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.9rem;
}

.category-item.selected{
  background-color: var(--green-main); /* 悬停时使用主绿色 */
  border-color: var(--green-main);
  transform: translateY(-5px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.category-item:hover{
    transform: translateY(-2px);
}

.category-item.selected i {
}

/* 桌面设备 (1024px及以上) */
@media (min-width: 1024px) {
    .category-item:hover{
      transform: translateY(-2px);
      background-color: var(--green-main); /* 选中时使用主蓝色 */
      border-color: var(--green-main);
      box-shadow: 0 4px 10px rgba(66, 165, 245, 0.3);
    }
}

.range-control {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 10px;
}

.range-input {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: #e0e0e0;
  outline: none;
  transition: background 0.3s;
}

.range-input:hover {
  background: #d0d0d0;
}

.range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.button {
  padding: 14px 28px;
  background-color: rgba(52,152,219, 0.2);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: 600;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: white;
  gap: 10px;
  box-shadow: 0 4px 6px rgba(52, 152, 219, 0.3);
}

.button:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 8px rgba(41, 128, 185, 0.4);
}

.button:active {
  transform: translateY(1px);
}

.button:disabled {
  background-color: #bdc3c7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.button-icon {
  font-size: 1.3rem;
}

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

.form-row {
  display: flex;
  gap: 15px;
  margin-bottom: 15px;
}

.form-col {
  flex: 1;
}

select, input[type="text"] {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  transition: all 0.3s;
}

select:focus, input[type="text"]:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
  outline: none;
}

.api-response {
/*  background-color: #2c3e50;*/
  background: rgba(44,62,80, 0.5);
  color: #ecf0f1;
  padding: 20px;
  border-radius: 8px;
  font-family: 'Fira Code', 'Consolas', monospace;
  white-space: pre-wrap;
  max-height: 400px;
  overflow: auto;
  margin-top: 20px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,.3);
  border-radius: 50%;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.url-display {
  padding: 12px 15px;
  border-radius: 6px;
  font-family: monospace;
  word-break: break-all;
  margin-top: 20px;
  font-size: 0.9rem;
  border-left: 4px solid var(--primary-color);
}

.success {
  color: var(--success-color);
}

.error {
  color: var(--error-color);
}

.warning {
  color: var(--warning-color);
}

.info-badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: 8px;
  vertical-align: middle;
}

.info-badge.info {
  background-color: rgba(52, 152, 219, 0.1);
  color: var(--primary-color);
  border: 1px solid rgba(52, 152, 219, 0.3);
}

.info-badge.warning {
  background-color: rgba(243, 156, 18, 0.1);
  color: var(--warning-color);
  border: 1px solid rgba(243, 156, 18, 0.3);
}

.info-text {
  font-size: 0.85rem;
  color: #7f8c8d;
  margin-top: 5px;
}

.section-divider {
  height: 1px;
  background-color: var(--border-color);
  margin: 25px 0;
}

.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 15px;
  margin-bottom: 25px;
}

.stat-box {
  border-radius: 8px;
  padding: 15px;
  text-align: center;
  box-shadow: 极光v0 3px 6px rgba(0,0,0,0.05);
  border: 1px solid var(--border-color);
}

.stat-box:hover {
  box-shadow: 0 8px 15px rgba(0,0,0,0.1);
  border-color: var(--primary-color);
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 10px 0;
}

.stat-label {
  font-size: 0.9rem;
  color: #7f8c8d;
}

.highlight {
  background-color: rgba(52, 152, 219, 0.1);
  padding: 3px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.clickable:hover {
  cursor: pointer;
}