/* 
 * 猫咪风格个人主页 - 主样式表
 * 作者: AI助手
 */

/* 导入字体 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

/* 变量定义 - 浅色模式 */
:root {
  --bg-primary: #fffaf2;
  --bg-secondary: #fff5e6;
  --text-primary: #333333;
  --text-secondary: #666666;
  --accent-primary: #ff9e7d;  /* 猫咪橙 */
  --accent-secondary: #ffd5bc;
  --card-bg: rgba(255, 255, 255, 0.85);
  --card-shadow: 0 4px 20px rgba(253, 197, 158, 0.15);
  --nav-bg: rgba(255, 255, 255, 0.9);
  --paw-color: #ffbb94;
  --cat-primary: #ffb173;
  --cat-secondary: #ffe0c2;
  --transition-speed: 0.3s;
}

/* 变量定义 - 深色模式 */
[data-theme="dark"] {
  --bg-primary: #2d2b38;
  --bg-secondary: #252334;
  --text-primary: #f0f0f0;
  --text-secondary: #c0c0c0;
  --accent-primary: #ff9e7d;  /* 保持猫咪橙 */
  --accent-secondary: #bc8571;
  --card-bg: rgba(47, 45, 60, 0.85);
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  --nav-bg: rgba(39, 38, 54, 0.9);
  --paw-color: #ffbb94;
  --cat-primary: #ffb173;
  --cat-secondary: #db9461;
}

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

body {
  font-family: 'Noto Sans SC', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: url('../img/paw-pattern.svg');
  background-size: 200px;
  background-attachment: fixed;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

/* 加载动画 */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.cat-loader {
  width: 80px;
  height: 80px;
  position: relative;
  margin-bottom: 20px;
}

.cat-loader .cat-head {
  width: 50px;
  height: 40px;
  background: var(--cat-primary);
  border-radius: 50% 50% 35% 35%;
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  animation: cat-head 1.5s infinite;
}

.cat-loader .cat-body {
  width: 60px;
  height: 30px;
  background: var(--cat-primary);
  border-radius: 50% 50% 50% 50% / 70% 70% 40% 40%;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

.cat-loader .paw {
  width: 15px;
  height: 10px;
  background: var(--cat-secondary);
  border-radius: 50%;
  position: absolute;
  bottom: 0;
}

.cat-loader .paw-left {
  left: 10px;
  animation: paw-left 0.8s infinite;
}

.cat-loader .paw-right {
  right: 10px;
  animation: paw-right 0.8s infinite;
}

@keyframes cat-head {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes paw-left {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes paw-right {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
  25%, 75% { transform: translateY(-4px); }
}

.loader p {
  color: var(--text-secondary);
  font-size: 1.2rem;
  animation: blink 1.5s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* 头部导航栏 */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--nav-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: background var(--transition-speed) ease;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--accent-primary);
}

.logo img {
  height: 40px;
  margin-right: 10px;
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  font-size: 1.5rem;
}

/* 主要内容区 */
.main-container {
  max-width: 1200px;
  margin: 120px auto 50px;
  padding: 0 20px;
}

/* 个人信息区 */
.profile-section {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  padding: 2rem;
  margin-bottom: 3rem;
  border-radius: 20px;
  background: var(--card-bg);
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  transition: background var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.profile-img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid var(--accent-secondary);
  margin-bottom: 1.5rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.profile-img:hover {
  transform: scale(1.05);
  border-color: var(--accent-primary);
}

.profile-name {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--accent-primary);
}

.profile-bio {
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto 1.5rem;
  color: var(--text-secondary);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-link {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-secondary);
  color: var(--bg-primary);
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--accent-primary);
  transform: translateY(-3px);
}

/* 猫爪背景图案 */
.paw-print {
  position: absolute;
  opacity: 0.1;
  z-index: -1;
}

.paw-1 {
  top: 10%;
  left: 10%;
  transform: rotate(20deg);
  width: 60px;
}

.paw-2 {
  bottom: 15%;
  right: 10%;
  transform: rotate(-15deg);
  width: 45px;
}

/* 项目区域 - 简化卡片样式 */
.projects-section {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.project-card {
  border-radius: 20px;
  padding: 1.5rem;
  background: var(--card-bg);
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--accent-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.project-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 15px 30px rgba(253, 197, 158, 0.2);
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.8rem;
  color: var(--bg-primary);
  transition: transform 0.3s ease, background 0.3s ease;
}

.project-card:hover .project-icon {
  transform: scale(1.1) rotate(5deg);
  background: var(--accent-primary);
}

.project-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-primary);
  transition: color 0.3s ease;
}

.project-card:hover .project-title {
  color: var(--accent-primary);
}

/* 波纹点击效果 */
.ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: ripple 0.6s linear;
  background-color: rgba(255, 158, 125, 0.3);
  pointer-events: none;
  z-index: 1;
}

@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* 猫咪脚印装饰 */
.project-card:nth-child(odd)::after {
  content: '';
  position: absolute;
  bottom: 10px;
  right: 15px;
  width: 25px;
  height: 25px;
  background-image: url('../img/paw-pattern.svg');
  background-size: contain;
  opacity: 0.1;
  transform: rotate(45deg);
}

.project-card:nth-child(even)::after {
  content: '';
  position: absolute;
  bottom: 10px;
  left: 15px;
  width: 25px;
  height: 25px;
  background-image: url('../img/paw-pattern.svg');
  background-size: contain;
  opacity: 0.1;
  transform: rotate(-45deg);
}

/* 猫咪动画元素 */
.cat-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 80px;
  height: 80px;
  z-index: 900;
  cursor: pointer;
}

.cat {
  width: 80px;
  height: 80px;
  position: relative;
}

.cat-head {
  position: absolute;
  top: 0;
  width: 60px;
  height: 50px;
  background: var(--cat-primary);
  border-radius: 50% 50% 35% 35%;
  left: 50%;
  transform: translateX(-50%);
}

.cat-ear {
  position: absolute;
  width: 25px;
  height: 25px;
  background: var(--cat-primary);
  top: -10px;
  border-radius: 50% 50% 0 0;
}

.cat-ear-left {
  left: -2px;
  transform: rotate(-15deg);
}

.cat-ear-right {
  right: -2px;
  transform: rotate(15deg);
}

.cat-ear-inner {
  position: absolute;
  width: 15px;
  height: 15px;
  background: var(--cat-secondary);
  border-radius: 50% 50% 0 0;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
}

.cat-face {
  position: absolute;
  width: 45px;
  height: 35px;
  background: var(--cat-secondary);
  border-radius: 45% 45% 60% 60%;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
}

.cat-eye {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--text-primary);
  border-radius: 50%;
  top: 22px;
}

.cat-eye-left {
  left: 13px;
}

.cat-eye-right {
  right: 13px;
}

.cat-nose {
  position: absolute;
  width: 8px;
  height: 4px;
  background: #ff8a73;
  border-radius: 50%;
  top: 32px;
  left: 50%;
  transform: translateX(-50%);
}

.cat-mouth {
  position: absolute;
  width: 12px;
  height: 6px;
  border-bottom: 2px solid #ff8a73;
  border-radius: 0 0 50% 50%;
  top: 36px;
  left: 50%;
  transform: translateX(-50%);
}

.cat-tail {
  position: absolute;
  width: 12px;
  height: 55px;
  background: var(--cat-primary);
  bottom: -25px;
  right: 10px;
  border-radius: 0 0 20px 20px;
  transform-origin: top center;
  animation: tail-wag 3s infinite ease-in-out;
}

/* 猫咪点击动画 */
.cat-animate .cat-head {
  animation: cat-nod 0.5s;
}

@keyframes cat-nod {
  0%, 100% { transform: translateX(-50%) rotate(0); }
  50% { transform: translateX(-50%) rotate(10deg); }
}

@keyframes tail-wag {
  0%, 100% { transform: rotate(0); }
  25% { transform: rotate(15deg); }
  50% { transform: rotate(-15deg); }
  75% { transform: rotate(10deg); }
}

/* 猫爪动画效果 */
.paw-effect {
  position: absolute;
  width: 40px;
  height: 40px;
  pointer-events: none;
  opacity: 0;
  z-index: 9999;
}

/* 页脚 */
footer {
  text-align: center;
  padding: 2rem 0;
  margin-top: 3rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.heart {
  color: #ff6b6b;
  display: inline-block;
  animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* 响应式适配 */
@media (max-width: 768px) {
  .profile-img {
    width: 120px;
    height: 120px;
  }
  
  .profile-name {
    font-size: 1.8rem;
  }
  
  .projects-section {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  .project-card {
    padding: 1.2rem;
  }
  
  .project-icon {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }
  
  .project-title {
    font-size: 1.1rem;
  }
  
  .cat-container {
    bottom: 10px;
    right: 10px;
    width: 60px;
    height: 60px;
  }
  
  .cat {
    width: 60px;
    height: 60px;
  }
}

@media (max-width: 480px) {
  .projects-section {
    grid-template-columns: 1fr 1fr;
  }
}

/* 在暗模式下猫咪的眼睛变化 */
[data-theme="dark"] .cat-eye {
  background: #ffcc4d;
  box-shadow: 0 0 5px #ffcc4d;
}

/* 全局过渡效果 */
.fade-transition {
  animation: fadeIn 0.5s ease-in-out;
}

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