/* ===== 肴柒蟹 - 全局样式 ===== */

/* Tailwind 自定义颜色 */
@layer base {
  :root {
    --tech-blue: #165dff;
    --tech-blue-dark: #0e42d2;
    --food-red: #ff4d4f;
    --food-red-dark: #cf1322;
    --harvest-gold: #faad14;
    --water-green: #36cfc9;
    --soil-brown: #8c613c;
  }
}

/* 字体 */
body {
  font-family:
    "Inter",
    "Source Han Sans SC",
    "Noto Sans SC",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

/* 选中文本颜色 */
::selection {
  background: rgba(22, 93, 255, 0.15);
  color: #165dff;
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #a1a1a1;
}

/* ===== 行情跑马灯 ===== */
.marquee {
  animation: marqueeScroll 25s linear infinite;
  display: inline-flex;
}
.marquee:hover {
  animation-play-state: paused;
}
@keyframes marqueeScroll {
  0% {
    transform: translateX(100%);
  }
  100% {
    transform: translateX(-100%);
  }
}

/* ===== 浮动卡片动画 ===== */
.animate-float {
  animation: float 4s ease-in-out infinite;
}
.animate-float-delayed {
  animation: float 4s ease-in-out 1.5s infinite;
}
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* ===== 滚动渐入动画 ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.6s ease-out,
    transform 0.6s ease-out;
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 模式切换按钮 (保留兼容) ===== */
.mode-btn {
  cursor: pointer;
  outline: none;
}

/* ===== 功能卡片 ===== */
.feature-card {
  position: relative;
  overflow: hidden;
}
.feature-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent 50%, rgba(22, 93, 255, 0.02));
  pointer-events: none;
}

/* ===== 菜谱卡片 ===== */
.recipe-card {
  cursor: pointer;
}
.recipe-card:hover .aspect-\\[4\\/3\\] > span:first-child {
  transform: scale(1.1);
  transition: transform 0.4s ease;
}

/* ===== 回到顶部按钮 ===== */
#backToTop.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ===== 注册按钮微动效 ===== */
.register-btn {
  position: relative;
  overflow: hidden;
}
.register-btn::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition:
    width 0.6s,
    height 0.6s;
}
.register-btn:active::after {
  width: 200px;
  height: 200px;
}

/* ===== 导航栏滚动效果 ===== */
#navbar.scrolled {
  background: rgba(255, 255, 255, 0.98) !important;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1) !important;
}

/* ===== 导航链接下划线动画 ===== */
.nav-link {
  position: relative;
}
.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(to right, #165dff, #ff4d4f);
  transition: width 0.3s;
  border-radius: 1px;
}
.nav-link:hover::after {
  width: 100%;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .marquee {
    animation-duration: 15s;
  }
}

/* ===== 打印样式 ===== */
@media print {
  #navbar {
    display: none;
  }
  #backToTop {
    display: none;
  }
  .marquee {
    display: none;
  }
}

/* ===== 暗色模式支持 (prefers-color-scheme) ===== */
/* @media (prefers-color-scheme: dark) {
  稍后根据需求实现
} */