/*! tailwindcss v3.0.0 | MIT License | https://tailwindcss.com */

/*
1. Prevent padding and border from affecting element width. (https://github.com/mozdevs/cssremedy/issues/4)
2. Allow adding a border to an element by just adding a border-width. (https://github.com/tailwindcss/tailwindcss/pull/116)
*/

*,
::before,
::after {
  box-sizing: border-box; /* 1 */
  border-width: 0; /* 2 */
  border-style: solid; /* 2 */
  border-color: currentColor; /* 2 */
}

/*
1. Use a consistent sensible line-height in all browsers.
2. Prevent adjustments of font size after orientation changes in iOS.
3. Use a more readable tab size.
4. Use the user's configured `sans` font-family by default.
*/

html {
  line-height: 1.5; /* 1 */
  -webkit-text-size-adjust: 100%; /* 2 */
  -moz-tab-size: 4; /* 3 */
  tab-size: 4; /* 3 */
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; /* 4 */
}

/* Apple Color System */
:root {
  --apple-blue: #007AFF;
  --apple-green: #34C759;
  --apple-indigo: #5856D6;
  --apple-orange: #FF9500;
  --apple-pink: #FF2D55;
  --apple-purple: #AF52DE;
  --apple-red: #FF3B30;
  --apple-teal: #5AC8FA;
  --apple-yellow: #FFCC00;
  --apple-gray-100: #F2F2F7;
  --apple-gray-200: #E5E5EA;
  --apple-gray-300: #D1D1D6;
  --apple-gray-400: #C7C7CC;
  --apple-gray-500: #AEAEB2;
  --apple-gray-600: #8E8E93;
  --apple-gray-700: #636366;
  --apple-gray-800: #48484A;
  --apple-gray-900: #3A3A3C;
  --apple-gray-950: #1C1C1E;
}

/* Layout Classes */
.container {
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  padding-right: 1rem;
  padding-left: 1rem;
}

@media (min-width: 640px) {
  .container {
    max-width: 640px;
  }
}
@media (min-width: 768px) {
  .container {
    max-width: 768px;
  }
}
@media (min-width: 1024px) {
  .container {
    max-width: 1024px;
  }
}
@media (min-width: 1280px) {
  .container {
    max-width: 1280px;
  }
}

/* Flex & Grid */
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.flex-row {
  flex-direction: row;
}
.items-center {
  align-items: center;
}
.justify-between {
  justify-content: space-between;
}
.space-x-6 > :not([hidden]) ~ :not([hidden]) {
  --tw-space-x-reverse: 0;
  margin-right: calc(1.5rem * var(--tw-space-x-reverse));
  margin-left: calc(1.5rem * calc(1 - var(--tw-space-x-reverse)));
}
.grid {
  display: grid;
}
.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}
.gap-8 {
  gap: 2rem;
}

/* 间距 */
.p-6 {
  padding: 1.5rem;
}
.p-8 {
  padding: 2rem;
}
.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}
.px-6 {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}
.py-2 {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}
.py-6 {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}
.py-8 {
  padding-top: 2rem;
  padding-bottom: 2rem;
}
.mb-2 {
  margin-bottom: 0.5rem;
}
.mb-4 {
  margin-bottom: 1rem;
}
.mb-6 {
  margin-bottom: 1.5rem;
}
.mb-8 {
  margin-bottom: 2rem;
}
.mb-12 {
  margin-bottom: 3rem;
}
.mb-16 {
  margin-bottom: 4rem;
}
.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* 颜色 */
.bg-white {
  background-color: #ffffff;
}
.bg-apple-blue {
  background-color: var(--apple-blue);
}
.bg-apple-green {
  background-color: var(--apple-green);
}
.bg-apple-indigo {
  background-color: var(--apple-indigo);
}
.bg-apple-orange {
  background-color: var(--apple-orange);
}
.bg-apple-purple {
  background-color: var(--apple-purple);
}
.bg-apple-red {
  background-color: var(--apple-red);
}
.bg-apple-teal {
  background-color: var(--apple-teal);
}
.bg-apple-gray-100 {
  background-color: var(--apple-gray-100);
}
.bg-apple-gray-900 {
  background-color: var(--apple-gray-900);
}

.text-white {
  color: #ffffff;
}
.text-apple-blue {
  color: var(--apple-blue);
}
.text-apple-green {
  color: var(--apple-green);
}
.text-apple-indigo {
  color: var(--apple-indigo);
}
.text-apple-orange {
  color: var(--apple-orange);
}
.text-apple-purple {
  color: var(--apple-purple);
}
.text-apple-red {
  color: var(--apple-red);
}
.text-apple-teal {
  color: var(--apple-teal);
}
.text-apple-gray-400 {
  color: var(--apple-gray-400);
}
.text-apple-gray-700 {
  color: var(--apple-gray-700);
}
.text-apple-gray-900 {
  color: var(--apple-gray-900);
}

/* 字体 */
.font-sans {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
}
.text-lg {
  font-size: 1.125rem;
  line-height: 1.75rem;
}
.text-xl {
  font-size: 1.25rem;
  line-height: 1.75rem;
}
.text-3xl {
  font-size: 1.875rem;
  line-height: 2.25rem;
}
.text-4xl {
  font-size: 2.25rem;
  line-height: 2.5rem;
}
.font-medium {
  font-weight: 500;
}
.font-bold {
  font-weight: 700;
}
.text-center {
  text-align: center;
}

/* 圆角 */
.rounded-lg {
  border-radius: 0.5rem;
}
.rounded-xl {
  border-radius: 0.75rem;
}

/* 尺寸 */
.w-full {
  width: 100%;
}
.h-48 {
  height: 12rem;
}
.max-w-3xl {
  max-width: 48rem;
}

/* 边框和阴影 */
.shadow-md {
  --tw-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  box-shadow: var(--tw-shadow);
}
.shadow-lg {
  --tw-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  box-shadow: var(--tw-shadow);
}

/* 图像 */
.object-cover {
  object-fit: cover;
}

/* 过渡 */
.transition-colors {
  transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}
.transition-transform {
  transition-property: transform;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

/* 悬停状态 */
.hover\:bg-opacity-90:hover {
  background-color: rgba(var(--apple-blue), 0.9);
}
.hover\:text-apple-gray-200:hover {
  color: var(--apple-gray-200);
}
.hover\:scale-105:hover {
  --tw-scale-x: 1.05;
  --tw-scale-y: 1.05;
  transform: translate(var(--tw-translate-x), var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y));
}

/* 动画 */
.animate-fadeIn {
  animation: fadeIn 0.8s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* 其他实用类 */
.overflow-hidden {
  overflow: hidden;
}

/* 响应式设计 */
@media (min-width: 768px) {
  .md\:flex-row {
    flex-direction: row;
  }
  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .md\:mb-0 {
    margin-bottom: 0;
  }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}