/* 基础样式 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.5;
}

/* 布局样式 */
.min-h-screen {
  min-height: 100vh;
}

.bg-gray-50 {
  background-color: #f9fafb;
}

.py-8 {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}

.sm\:px-6 {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.lg\:px-8 {
  padding-left: 2rem;
  padding-right: 2rem;
}

.max-w-4xl {
  max-width: 56rem;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mr-2 {
  margin-right: 0.5rem;
}

.mt-2 {
  margin-top: 0.5rem;
}

.p-6 {
  padding: 1.5rem;
}

.p-4 {
  padding: 1rem;
}

.p-2 {
    padding: 0.5rem;
  }

.py-6 {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

.px-3 {
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

.py-2 {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}

/* 文本样式 */
.text-center {
  text-align: center;
}

.text-3xl {
  font-size: 1.875rem;
}

.text-2xl {
  font-size: 1.5rem;
}

.text-xl {
  font-size: 1.25rem;
}

.text-lg {
  font-size: 1.125rem;
}

.text-sm {
  font-size: 0.875rem;
}

.font-bold {
  font-weight: 700;
}

.font-semibold {
  font-weight: 600;
}

.font-medium {
  font-weight: 500;
}

.text-gray-900 {
  color: #111827;
}

.text-gray-800 {
  color: #1f2937;
}

.text-gray-700 {
  color: #374151;
}

.text-gray-600 {
  color: #4b5563;
}

.text-gray-500 {
  color: #6b7280;
}

.text-blue-600 {
  color: #2563eb;
}

.text-purple-600 {
  color: #9333ea;
}

.text-green-600 {
  color: #16a34a;
}

.text-yellow-600 {
  color: #ca8a04;
}

.text-red-600 {
  color: #dc2626;
}

.text-indigo-600 {
  color: #4f46e5;
}

.text-blue-500 {
  color: #3b82f6;
}

.text-purple-500 {
  color: #a855f7;
}

.text-green-500 {
  color: #22c55e;
}

.text-yellow-500 {
  color: #eab308;
}

.text-red-500 {
  color: #ef4444;
}

.text-indigo-500 {
  color: #6366f1;
}

.text-white {
  color: #ffffff;
}

/* 弹性布局 */
.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-end {
  justify-content: flex-end;
}

/* 网格布局 */
.grid {
  display: grid;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

.gap-4 {
  gap: 1rem;
}

@media (min-width: 768px) {
  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .md\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* 组件样式 */
.bg-white {
  background-color: white;
}

.shadow {
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.rounded-lg {
  border-radius: 0.5rem;
}

.rounded-md {
  border-radius: 0.375rem;
}

.border {
  border-width: 1px;
}

.border-t {
  border-top-width: 1px;
}

.border-l-4 {
  border-left-width: 4px;
}

.border-gray-300 {
  border-color: #d1d5db;
}

.border-gray-200 {
  border-color: #e5e7eb;
}

.border-blue-500 {
  border-color: #3b82f6;
}

.border-purple-500 {
  border-color: #a855f7;
}

.border-green-500 {
  border-color: #22c55e;
}

.border-yellow-500 {
  border-color: #eab308;
}

.border-red-500 {
  border-color: #ef4444;
}

.border-indigo-500 {
  border-color: #6366f1;
}

.bg-blue-50 {
  background-color: #eff6ff;
}

.bg-purple-50 {
  background-color: #f5f3ff;
}

.bg-green-50 {
  background-color: #f0fdf4;
}

.bg-yellow-50 {
  background-color: #fefce8;
}

.bg-red-50 {
  background-color: #fef2f2;
}

.bg-indigo-50 {
  background-color: #eef2ff;
}

.bg-gray-100 {
  background-color: #f3f4f6;
}

.bg-red-500 {
  background-color: #ef4444;
}

/* 表单元素 */
textarea {
  width: 100%;
  resize: vertical;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.5);
}

textarea:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.5);
}

/* 按钮样式 */
#input-box {
  position: relative;
}

button {
  cursor: pointer;
  transition: all 0.2s;
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  padding: 0.5rem 1rem;
  border: none;
  font-weight: 500;
}

.reset-btn:hover {
  transform: scale(1.05);
}

.reset-btn:active {
  transform: scale(0.95);
}

.gap-4 {
    gap: 1rem;
}
.grid-cols-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
}


/* 其他样式 */
.block {
  display: block;
}

.w-full {
  width: 100%;
}

.h-4 {
  height: 1rem;
}

.w-4 {
  width: 1rem;
}

.h-5 {
  height: 1.25rem;
}

.w-5 {
  width: 1.25rem;
}

.space-y-4 > * + * {
  margin-top: 1rem;
}

/* 链接样式 */
a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}