/**
 * 样式重置
 */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--primary-color);
  text-decoration: none;
}

a:active {
  opacity: 0.7;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  outline: none;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

ul, ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

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

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

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

::-webkit-scrollbar-thumb:hover {
  background: var(--text-placeholder);
}

/* 输入框placeholder */
::placeholder {
  color: var(--text-placeholder);
}

/* 禁止选择 */
.no-select {
  -webkit-user-select: none;
  user-select: none;
}

/* 安全区域适配 */
.safe-area-top {
  padding-top: env(safe-area-inset-top);
}

.safe-area-bottom {
  padding-bottom: env(safe-area-inset-bottom);
}