/* ==============================================
   未来科技风格友链页面 CSS（青色系）
   ============================================== */

/* 基础变量定义（主色调改为青色 #00ffcc） */
:root {
  --neon-primary: #00ffcc; /* 主色调 - 青色 */
  --neon-secondary: #00ccff; /* 辅助色 - 青蓝色 */
  --neon-accent: #ff00ff; /* 强调色 - 紫红色 */
  --dark-bg: #0a0a1a;
  --glass-effect: rgba(255, 255, 255, 0.05);
  --grid-line: rgba(0, 255, 204, 0.1); /* 网格线颜色适配主色调 */
  --panel-bg: rgba(10, 10, 30, 0.8);
  --neon-yellow: #ffff00; /* 黄色作为对比色 */
  --neon-red: #ff0000;
}

/* 全局样式 */
body {
  background: var(--dark-bg) !important;
  color: var(--neon-primary) !important; /* 文本主色改为青色 */
  font-family: 'Orbitron', sans-serif !important;
  overflow-x: hidden;
  background-image: 
      radial-gradient(circle at 10% 20%, rgba(0, 255, 204, 0.1) 0%, transparent 20%), /* 青色渐变点缀 */
      radial-gradient(circle at 90% 80%, rgba(0, 204, 255, 0.1) 0%, transparent 20%); /* 青蓝色渐变点缀 */
}

/* 基础元素样式 */
a {
  color: var(--neon-primary) !important;
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--neon-accent) ; /*  hover 改为紫红色 */
  text-shadow: 0 0 5px var(--neon-accent), 0 0 15px var(--neon-accent);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--neon-primary);
  text-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary);
  letter-spacing: 1.2px;
}

/* 输入框基础样式 - 融入未来科技氛围 */
.form-control, #captchaImg, .modal-content {
  background-color: rgba(0, 0, 0, 0.5) !important; 
  border: 1px solid var(--neon-primary) !important; /* 边框改为青色 */
  color: var(--neon-primary) !important; /* 文本色改为青色 */
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  box-shadow: inset 0 0 5px rgba(0, 255, 204, 0.1); /* 阴影适配主色调 */
}

/* 聚焦态 - 强化科技感反馈 */
.form-control:focus, #captchaImg:focus, .modal-content:focus {
  border-color: var(--neon-secondary) !important; /* 聚焦边框改为青蓝色 */
  box-shadow: 0 0 15px rgba(0, 204, 255, 0.5), 
              inset 0 0 10px rgba(0, 204, 255, 0.3);
  outline: none;
}

/* 卡片和容器 */
.bf-card, .card, .comment-item, .comment-form-card {
  background: var(--glass-effect) !important;
  border: 1px solid var(--neon-primary); /* 边框改为青色 */
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(0, 255, 204, 0.4), /* 阴影适配主色调 */
              inset 0 0 10px rgba(0, 255, 204, 0.2);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  position: relative;
}

.bf-card::before, .card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(0, 255, 204, 0.2) 0%, transparent 50%, rgba(0, 204, 255, 0.2) 100%); /* 渐变适配新色调 */
  z-index: -1;
  animation: gradientMove 10s linear infinite;
}

.bf-card:hover, .card:hover {
  box-shadow: 0 0 40px rgba(0, 255, 204, 0.6), /* 阴影适配主色调 */
              inset 0 0 20px rgba(0, 255, 204, 0.4);
  transform: translateY(-5px);
}

@keyframes gradientMove {
  0% { background-position: 0 0; }
  100% { background-position: 400% 0; }
}

/* 按钮样式 */
.bf-btn, .btn {
  position: relative;
  background: transparent;
  color: var(--neon-primary); /* 文本色改为青色 */
  border: 1px solid var(--neon-primary); /* 边框改为青色 */
  border-radius: 4px;
  padding: 8px 16px;
  overflow: hidden;
  z-index: 1;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1.2px;
}

.bf-btn::before, .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 204, 0.4), transparent); /* 渐变适配主色调 */
  transition: all 0.6s ease;
  z-index: -1;
}

.bf-btn:hover, .btn:hover {
  color: #0a0a1a;
  background: var(--neon-primary); /* 背景色改为青色 */
  box-shadow: 0 0 30px var(--neon-primary), 0 0 40px var(--neon-primary);
  border-color: var(--neon-primary);
}

.bf-btn:hover::before, .btn:hover::before {
  left: 100%;
}

/* 友链卡片 */
.bf-grid-item {
  position: relative;
  overflow: hidden;
}

.bf-grid-item::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary), var(--neon-accent), var(--neon-primary)); /* 渐变适配新色调 */
  background-size: 400%;
  z-index: -1;
  animation: glowing 15s linear infinite;
  border-radius: 8px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.bf-grid-item:hover::before {
  opacity: 1;
}

@keyframes glowing {
  0% { background-position: 0 0; }
  50% { background-position: 400% 0; }
  100% { background-position: 0 0; }
}

.bf-avatar img {
  border: 2px solid var(--neon-primary); /* 边框改为青色 */
  box-shadow: 0 0 15px rgba(0, 255, 204, 0.7); /* 阴影适配主色调 */
  transition: all 0.3s ease;
}

.bf-grid-item:hover .bf-avatar img {
  transform: scale(1.2);
  border-color: var(--neon-accent); /*  hover 边框改为紫红色 */
  box-shadow: 0 0 25px rgba(255, 0, 255, 0.9); /* 阴影适配强调色 */
}

/* 标签样式 */
.link-tag {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.7);
  color: var(--neon-primary); /* 文本色改为青色 */
  border: 1px solid var(--neon-primary); /* 边框改为青色 */
  padding: 2px 8px;
  font-size: 12px;
  border-radius: 4px;
  box-shadow: 0 0 5px rgba(0, 255, 204, 0.3); /* 阴影适配主色调 */
  z-index: 10;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* 弹幕样式 */
.danmaku-line {
  position: fixed;
  top: 0;
  left: 100%;
  white-space: nowrap;
  font-size: 16px;
  padding: 4px 10px;
  background: rgba(0, 0, 0, 0.8);
  color: var(--neon-yellow);
  border: 1px solid rgba(255, 255, 0, 0.3);
  border-radius: 4px;
  box-shadow: 0 0 15px rgba(255, 255, 0, 0.7);
  animation: danmakuMove linear infinite;
  z-index: 100;
  backdrop-filter: blur(5px);
}

@keyframes danmakuMove {
  from { transform: translateX(0); }
  to { transform: translateX(-300%); }
}

/* 响应式布局调整 */
@media (max-width: 768px) {
  .bf-category-header {
      text-align: center;
  }
  
  .bf-page-header {
      flex-direction: column;
      text-align: center;
  }
  
  .bf-page-header h1 {
      margin-bottom: 1rem;
  }
}

/* 背景网格效果 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background-image: 
      linear-gradient(var(--grid-line) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 30px 30px;
  z-index: -10;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { background-position: 0 0; }
  100% { background-position: 100% 100%; }
}

/* 模态框样式 */
.modal-content {
  background: var(--panel-bg);
  border: 1px solid var(--neon-primary); /* 边框改为青色 */
  box-shadow: 0 0 30px rgba(0, 255, 204, 0.5); /* 阴影适配主色调 */
  backdrop-filter: blur(15px);
}

.modal-header, .modal-footer {
  border-color: rgba(0, 255, 204, 0.3); /* 边框色适配主色调 */
}

.modal-title {
  text-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}

/* 加载动画 */
.spinner-border {
  border-color: var(--neon-primary); /* 边框改为青色 */
  border-right-color: transparent;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 表单错误提示 */
.invalid-feedback {
  color: var(--neon-red);
  text-shadow: 0 0 3px var(--neon-red);
}

/* 成功/失败提示 */
.alert-success {
  color: var(--neon-primary); /* 文本色改为青色 */
  background: rgba(0, 255, 204, 0.2); /* 背景色适配主色调 */
  border-color: var(--neon-primary); /* 边框色改为青色 */
  text-shadow: 0 0 3px var(--neon-primary);
}

.alert-danger {
  color: var(--neon-red);
  background: rgba(100, 0, 0, 0.2);
  border-color: var(--neon-red);
  text-shadow: 0 0 3px var(--neon-red);
}

/* 自定义滚动条 */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.3);
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 255, 204, 0.7); /* 滚动条颜色改为青色 */
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 255, 204, 0.9); /*  hover 颜色加深 */
}

/* 表格样式 */
.table {
  color: var(--neon-primary); /* 文本色改为青色 */
}

.table thead th {
  border-bottom: 2px solid rgba(0, 255, 204, 0.3); /* 边框色适配主色调 */
}

.table td, .table th {
  border-top: 1px solid rgba(0, 255, 204, 0.1); /* 边框色适配主色调 */
}

/* 导航栏样式 */
.navbar {
  background: rgba(10, 10, 30, 0.8);
  border-bottom: 1px solid var(--neon-primary); /* 边框改为青色 */
  backdrop-filter: blur(10px);
}

.navbar-brand, .nav-link {
  color: var(--neon-primary) !important; /* 文本色改为青色 */
}

.nav-link:hover {
  color: var(--neon-accent) !important; /* hover 改为紫红色 */
  text-shadow: 0 0 5px var(--neon-accent);
}

/* 工具提示样式 */
.tooltip-inner {
  background-color: rgba(0, 0, 0, 0.8);
  color: var(--neon-primary); /* 文本色改为青色 */
  border: 1px solid var(--neon-primary); /* 边框改为青色 */
  box-shadow: 0 0 15px rgba(0, 255, 204, 0.5); /* 阴影适配主色调 */
}

.bs-tooltip-top .arrow::before {
  border-top-color: var(--neon-primary); /* 箭头颜色改为青色 */
}

.bs-tooltip-bottom .arrow::before {
  border-bottom-color: var(--neon-primary);
}

.bs-tooltip-left .arrow::before {
  border-left-color: var(--neon-primary);
}

.bs-tooltip-right .arrow::before {
  border-right-color: var(--neon-primary);
}    

/* ===== 电子风格按钮 ===== */
.comment-submit-btn, #openLinkModal {
  position: relative;
  background: linear-gradient(135deg, rgba(0, 255, 204, 0.2), rgba(0, 204, 255, 0.2)) !important;
  border: 1px solid var(--neon-primary);
  color: var(--neon-primary);
  font-family: 'Orbitron', sans-serif;
  font-weight: 500;
  letter-spacing: 1px;
  padding: 0.5rem 1.5rem;
  border-radius: 4px;
  transition: all 0.3s ease;
  overflow: hidden;
  box-shadow: 0 0 10px rgba(0, 255, 204, 0.5);
}

.comment-submit-btn:hover, #openLinkModal:hover {
  background: linear-gradient(135deg, rgba(0, 255, 204, 0.4), rgba(0, 204, 255, 0.4)) !important;
  box-shadow: 0 0 20px rgba(0, 255, 204, 0.7), 0 0 30px rgba(0, 204, 255, 0.5);
  transform: translateY(-3px);
}

/* ===== 电子风格验证码框 ===== */
#captchaImg {
  position: relative;
  background-color: rgba(0, 0, 0, 0.5) !important; 
  border: 1px solid var(--neon-primary) !important; 
  color: var(--neon-primary) !important; 
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  box-shadow: inset 0 0 5px rgba(0, 255, 204, 0.1); 
}

/* 悬停效果 */
#captchaImg:hover {
  border-color: var(--neon-secondary);
  box-shadow: 0 0 20px rgba(0, 204, 255, 0.7), 
              0 0 40px rgba(0, 204, 255, 0.4);
  transform: translateY(-3px);
}

/* 点击效果 */
#captchaImg:active {
  transform: translateY(1px);
  box-shadow: 0 0 10px rgba(0, 204, 255, 0.6);
}

/* 刷新动画 */
#captchaImg.loading {
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 5px rgba(0, 204, 255, 0.3); }
  50% { box-shadow: 0 0 30px rgba(0, 204, 255, 0.8); }
  100% { box-shadow: 0 0 5px rgba(0, 204, 255, 0.3); }
}

/* 电子风格装饰线 */
#captchaImg::before,
#captchaImg::after {
  content: '';
  position: absolute;
  opacity: 0.3;
  transition: all 0.5s ease;
  pointer-events: none;
}

#captchaImg::before {
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-primary), transparent);
}

#captchaImg::after {
  top: 0;
  left: 0;
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, transparent, var(--neon-primary), transparent);
}

#captchaImg:hover::before,
#captchaImg:hover::after {
  opacity: 0.8;
}

/* 复制按钮样式 */
.copy-btn {
  background: rgba(0, 255, 204, 0.1);
  border: 1px solid var(--neon-primary);
  border-radius: 4px;
  color: var(--neon-primary);
  padding: 2px 8px;
  font-size: 12px;
  transition: all 0.3s ease;
  box-shadow: 0 0 5px rgba(0, 255, 204, 0.3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Orbitron', sans-serif;
  margin-left: 8px;
}

.copy-btn:hover {
  background: rgba(0, 255, 204, 0.2);
  box-shadow: 0 0 15px rgba(0, 255, 204, 0.5);
  transform: translateY(-1px);
}

.copy-btn:active {
  transform: translateY(1px);
}

/* 图标样式 */
.copy-btn i {
  margin-right: 4px;
}

/* 状态图标颜色 */
.icon-check {
  color: var(--neon-secondary);
}

.icon-close {
  color: var(--neon-red);
}