/* RSS Feed Style - Kawaii ACG Theme */
@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@400;500;600;700&display=swap');

:root {
  /* Colors */
  --bg-dark: #121214;
  --bg-dark-soft: #1c1c1f;

  --accent-pink: #ffb7b2;
  --accent-pink-dim: rgba(255, 183, 178, 0.1);
  --accent-mint: #b2f7ef;
  --accent-mint-dim: rgba(178, 247, 239, 0.1);
  --accent-purple: #e0b2f7;
  --accent-purple-dim: rgba(224, 178, 247, 0.1);
  --accent-yellow: #f7f4b2;

  --text-main: #f0f0f0;
  --text-muted: #a1a1aa;

  --card-bg: rgba(28, 28, 31, 0.6);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-hover: rgba(255, 255, 255, 0.03);

  /* Spacing & Sizes - Condensed */
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;

  /* Animations */
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  background-color: var(--bg-dark);
}

body {
  font-family: 'Quicksand', '寒蝉全圆体', 'Chill Round', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* --- Background Decorations --- */
.background-decorations {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.floating-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 20s infinite ease-in-out;
}

.shape-1 {
  top: -10%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: var(--accent-purple);
  animation-delay: 0s;
}

.shape-2 {
  bottom: 10%;
  right: -5%;
  width: 300px;
  height: 300px;
  background: var(--accent-mint);
  animation-delay: -5s;
}

.shape-3 {
  top: 30%;
  left: 20%;
  width: 200px;
  height: 200px;
  background: var(--accent-pink);
  opacity: 0.15;
  animation-delay: -10s;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }
  33% {
    transform: translate(30px, -50px) rotate(10deg);
  }
  66% {
    transform: translate(-20px, 20px) rotate(-5deg);
  }
}

/* --- Layout --- */
.container {
  max-width: 1200px; /* Increased for better content utilization */
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

/* --- Profile Header --- */
.profile-header {
  margin-bottom: 1.5rem; /* Reduced spacing */
  perspective: 1000px;
}

.profile-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.75rem; /* Reduced vertical padding */
  display: flex;
  flex-direction: row; /* Horizontal layout on desktop */
  align-items: center;
  gap: 1.5rem;
  text-align: left; /* Left align for horizontal layout */
  position: relative;
  overflow: visible;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
  transition: var(--transition-smooth);
}

/* Avatar with Cat Ears - Redesigned */
.avatar-wrapper {
  position: relative;
  flex-shrink: 0; /* Prevent avatar from shrinking */
}

.avatar-container {
  width: 80px; /* Smaller for horizontal layout */
  height: 80px;
  position: relative;
  border-radius: 50%;
  background: var(--bg-dark);
  padding: 3px;
  border: 2px dashed var(--accent-pink);
  transition: var(--transition-bounce);
  z-index: 2;
}

.avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

/* Better Cat Ears */
.cat-ear {
  position: absolute;
  top: -8px; /* Closer to head */
  width: 32px;
  height: 32px;
  background: var(--accent-pink);
  z-index: -1;
  transition: var(--transition-bounce);
  /* Use border-radius to create a soft triangular ear shape */
  border-radius: 4px 20px 0 20px;
}

/* Inner ear detail using pseudo-element */
.cat-ear::after {
  content: '';
  position: absolute;
  inset: 6px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 2px 14px 0 14px;
}

.cat-ear.left {
  left: -4px;
  transform: rotate(-20deg);
}

.cat-ear.right {
  right: -4px;
  transform: rotate(-64deg) scaleX(-1); /* Adjust rotation for right ear symmetry */
  border-radius: 4px 20px 0 20px; /* Keep same shape, mirrored via transform */
}

.profile-card:hover .avatar-container {
  transform: scale(1.05) rotate(2deg);
  border-color: var(--accent-mint);
}

.profile-card:hover .cat-ear.left {
  transform: rotate(-30deg) translate(-2px, -2px);
  background: var(--accent-mint);
}

.profile-card:hover .cat-ear.right {
  transform: rotate(-60deg) scaleX(-1) translate(2px, -2px);
  background: var(--accent-mint);
}

@keyframes pulse-green {
  0% {
    box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.4);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(74, 222, 128, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(74, 222, 128, 0);
  }
}

/* Profile Info - High density */
.profile-info {
  flex: 1;
  min-width: 0; /* Allow text truncation */
}

.site-title {
  font-size: 1.5rem; /* More compact */
  font-weight: 700;
  margin-bottom: 0.15rem;
  background: linear-gradient(135deg, var(--text-main) 0%, var(--accent-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.site-subtitle {
  font-size: 0.8rem;
  color: var(--accent-mint);
  margin-bottom: 0.4rem;
  font-weight: 500;
  position: relative;
  display: inline-block;
}

.site-bio {
  color: var(--text-muted);
  max-width: none; /* Use full width in horizontal layout */
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
  line-height: 1.5;
  background: rgba(0, 0, 0, 0.15);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Social Links - Tighter */
.social-links {
  display: flex;
  gap: 0.5rem; /* Tighter gap */
  margin-bottom: 0; /* Remove bottom margin */
  flex-wrap: wrap;
  justify-content: flex-start; /* Left align in horizontal layout */
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px; /* More compact */
  height: 32px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition-bounce);
  border: 1px solid transparent;
}

.social-btn:hover {
  transform: translateY(-3px) scale(1.1);
  color: white;
}

.social-btn.github:hover {
  background: #333;
  border-color: #666;
}
.social-btn.bilibili:hover {
  background: #da708a;
  border-color: #fca5bf;
}
.social-btn.music:hover {
  background: #e60026;
  border-color: #ff4d6a;
}
.social-btn.email:hover {
  background: #55acd5;
  border-color: #8fdcf9;
}
.social-btn.twitter:hover {
  background: #1da1f2;
  border-color: #69caff;
}
.social-btn.rss:hover {
  background: #ff6600;
  border-color: #ff9955;
}

/* Feed Actions - Condensed & Styled */
.feed-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-end; /* 右对齐 */
  justify-content: center;
  flex-shrink: 0;
  margin-left: auto; /* 推到最右侧 */
}

.feed-badge {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-smooth);
}

.feed-badge:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.feed-badge i {
  color: #ffaa00; /* RSS Orange */
}

.visit-btn {
  position: relative;
  padding: 0.7rem 1.6rem;
  /* Gradient with better contrast against dark text */
  background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
  color: var(--bg-dark);
  border-radius: 99px;
  font-weight: 800;
  text-decoration: none;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow:
    0 4px 15px rgba(255, 183, 178, 0.3),
    inset 0 2px 0 rgba(255, 255, 255, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
  white-space: nowrap;
  overflow: hidden;
  z-index: 1;
}

/* Button Shine Effect */
.visit-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: 0.5s;
  z-index: -1;
}

.visit-btn:hover {
  transform: scale(1.05);
  box-shadow:
    0 8px 25px rgba(224, 178, 247, 0.5),
    inset 0 2px 0 rgba(255, 255, 255, 0.6);
  filter: brightness(1.05);
}

.visit-btn:hover::after {
  left: 100%;
}

.visit-btn:active {
  transform: translateY(-1px) scale(0.98);
  box-shadow: 0 2px 8px rgba(255, 183, 178, 0.3);
}

.visit-btn i {
  transition: transform 0.3s ease;
}

.visit-btn:hover i {
  transform: translateX(0.25rem); /* Arrow moves up-right */
}

/* --- Content Section --- */
.content-header {
  margin-bottom: 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.content-header h2 {
  font-size: 1.5rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.content-header h2 i {
  color: var(--accent-yellow);
}

.feed-desc {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Articles Grid - Compact */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem; /* Reduced gap */
}

.post-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.25rem; /* Reduced padding */
  position: relative;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.card-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-pink), var(--accent-mint));
  opacity: 0;
  transition: var(--transition-smooth);
}

.post-card:hover {
  transform: translateY(-4px);
  background: var(--card-hover);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.post-card:hover .card-glow {
  opacity: 1;
}

.post-title {
  margin-bottom: 0.5rem;
  font-size: 1.1rem; /* Smaller title */
  line-height: 1.4;
}

.post-title a {
  color: var(--text-main);
  text-decoration: none;
  transition: color 0.2s;
  background: linear-gradient(to right, var(--accent-pink), var(--accent-pink));
  background-size: 0% 2px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  padding-bottom: 2px;
  transition: all 0.3s ease;
}

.post-card:hover .post-title a {
  color: var(--accent-pink);
  background-size: 100% 2px;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.meta-item.category {
  color: var(--accent-mint);
  font-weight: 500;
  transition: var(--transition-smooth);
}

.meta-item.category:hover {
  color: var(--accent-pink);
}

.post-summary {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 0.75rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Tags Display */
.post-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.6rem;
  background: var(--accent-purple-dim);
  color: var(--accent-purple);
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid rgba(224, 178, 247, 0.15);
  transition: var(--transition-smooth);
  white-space: nowrap;
}

.tag-badge i {
  font-size: 0.7rem;
}

.tag-badge:hover {
  background: var(--accent-pink-dim);
  color: var(--accent-pink);
  border-color: rgba(255, 183, 178, 0.2);
  transform: translateY(-1px);
}

.post-footer {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  color: var(--accent-mint);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  transition: var(--transition-smooth);
}

.read-more:hover {
  gap: 0.4rem;
  color: var(--accent-pink);
}

/* --- Footer --- */
.page-footer {
  margin-top: 3rem; /* Reduced */
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: 2rem;
}

.heart-beat {
  color: var(--accent-pink);
  display: inline-block;
  animation: beat 1s infinite alternate;
}

@keyframes beat {
  to {
    transform: scale(1.2);
  }
}

.copyright a {
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px dotted var(--text-muted);
  margin-top: 0.25rem;
  display: inline-block;
  transition: color 0.2s;
}

.copyright a:hover {
  color: var(--accent-pink);
  border-color: var(--accent-pink);
}

/* --- Responsive --- */
/* Tablet breakpoint - adjust layout for medium screens */
@media (max-width: 1024px) {
  .container {
    max-width: 900px;
  }
}

/* Mobile breakpoint - revert to vertical layout */
@media (max-width: 768px) {
  .container {
    padding: 2rem 1rem;
    max-width: 100%;
  }

  .profile-card {
    padding: 1.5rem 1rem;
    flex-direction: column; /* Vertical layout on mobile */
    text-align: center;
    gap: 0;
  }

  .avatar-wrapper {
    margin-bottom: 1rem;
  }

  .avatar-container {
    width: 90px;
    height: 90px;
  }

  .profile-info {
    width: 100%;
  }

  .site-title {
    font-size: 1.75rem;
  }

  .site-bio {
    max-width: 100%;
    margin-bottom: 1rem;
  }

  .social-links {
    justify-content: center; /* Center on mobile */
    margin-bottom: 1.25rem;
  }

  .feed-actions {
    justify-content: center; /* Center on mobile */
    align-items: center;
    width: 100%;
  }

  .articles-grid {
    grid-template-columns: 1fr;
  }

  /* 移动端限制标签数量 */
  .tag-badge:nth-child(n + 4) {
    display: none;
  }

  .post-meta {
    font-size: 0.75rem;
  }
}