src/index.css

@tailwind base;
@tailwind components;
@tailwind utilities;

@layer base {
  /* 暗色控制台体系：原生控件（select 弹层/滚动条/checkbox）跟随暗色 */
  :root {
    color-scheme: dark;
  }

  html,
  body,
  #root {
    min-height: 100%;
  }

  select option {
    background-color: #12151c;
    color: #edeff4;
  }

  body {
    @apply bg-surface text-ink font-sans;
    font-feature-settings: "cv05" 1, "ss01" 1;
  }

  ::selection {
    background: rgba(237, 239, 244, 0.2);
    color: #ffffff;
  }
}

@layer utilities {
  .focus-ring {
    @apply focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-white/60 focus-visible:ring-offset-2 focus-visible:ring-offset-[#0C0E13];
  }

  /* 历史命名保留：与 .focus-ring 一致 */
  .focus-ring-dark {
    @apply focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-white/60 focus-visible:ring-offset-2 focus-visible:ring-offset-[#0C0E13];
  }

  .text-balance {
    text-wrap: balance;
  }

  .openvuln-scrollbar {
    scrollbar-width: thin;
    scrollbar-color: rgba(237, 239, 244, 0.28) transparent;
  }

  .openvuln-scrollbar::-webkit-scrollbar {
    width: 6px;
  }

  .openvuln-scrollbar::-webkit-scrollbar-track {
    background: transparent;
  }

  .openvuln-scrollbar::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: rgba(237, 239, 244, 0.28);
  }

  .openvuln-scrollbar::-webkit-scrollbar-thumb:hover {
    background: rgba(237, 239, 244, 0.42);
  }
}

@layer components {
  .openvuln-title {
    color: #edeff4;
    letter-spacing: -0.02em;
  }

  /* 大字报标题：第一行空心描边（hover 时微微填充） */
  .openvuln-outline {
    color: transparent;
    -webkit-text-stroke: 1.5px rgba(237, 239, 244, 0.56);
    transition: color 500ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  h1:hover .openvuln-outline {
    color: rgba(237, 239, 244, 0.12);
  }

  @supports not ((-webkit-text-stroke: 1px white)) {
    .openvuln-outline {
      color: rgba(237, 239, 244, 0.56);
    }
  }

  /* 大字报标题整行印刷式抬升入场 */
  .ov-line-mask {
    display: block;
    overflow: hidden;
    padding-bottom: 0.12em;
  }

  .ov-line {
    display: block;
    transform: translateY(112%);
    animation: ov-line-up 850ms cubic-bezier(0.19, 1, 0.22, 1) forwards;
  }

  .openvuln-title-mark {
    position: relative;
    display: inline-block;
    -webkit-text-stroke: 0;
  }

  .openvuln-title-comma {
    display: inline-block;
    margin-left: 4px;
  }

  .openvuln-title-period {
    width: 0.1em;
    height: 0.1em;
    margin-left: 0.1em;
    border-radius: 999px;
    background: rgba(237, 239, 244, 0.88);
  }

  @keyframes ov-line-up {
    to {
      transform: translateY(0);
    }
  }

  /* 滚动进入视口的克制上浮 */
  .ov-reveal {
    opacity: 0;
    transform: translateY(14px);
    transition:
      opacity 420ms cubic-bezier(0.22, 1, 0.36, 1),
      transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  .ov-reveal.ov-in {
    opacity: 1;
    transform: none;
  }

  /* 顶栏导航的下划线扫入 */
  .ov-navlink {
    position: relative;
  }

  .ov-navlink::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -4px;
    height: 1px;
    background: #edeff4;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  .ov-navlink:hover::after,
  .ov-navlink:focus-visible::after {
    transform: scaleX(1);
  }

  /* 大字报标题：第二行实心，带极轻的金属纵向光泽 */
  .openvuln-solid {
    background: linear-gradient(180deg, #ffffff 0%, #eceef2 52%, #c2c8d2 100%);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
  }

  /* 极淡的顶部纵深，用于扫描进度页 */
  .openvuln-glow {
    background: radial-gradient(ellipse 52% 30% at 50% 0%, rgba(237, 239, 244, 0.04), transparent 70%);
  }

  .openvuln-brand {
    animation: openvuln-enter 700ms cubic-bezier(0.22, 1, 0.36, 1) both;
  }

  .openvuln-composer {
    animation: openvuln-enter 760ms 90ms cubic-bezier(0.22, 1, 0.36, 1) both;
  }

  .openvuln-panel {
    border: 1px solid #232833;
    border-radius: 16px;
    background: #12151c;
    box-shadow: 0 20px 48px -24px rgba(0, 0, 0, 0.6);
  }

  /* hero 背景视频：原生暗色线网动画，向下淡入页面底色 */
  .openvuln-hero-video {
    position: absolute;
    inset: 0 0 auto 0;
    z-index: -10;
    height: 720px;
    overflow: hidden;
    pointer-events: none;
  }

  .openvuln-hero-video video {
    height: 100%;
    width: 100%;
    object-fit: cover;
  }

  .openvuln-hero-video::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
      to bottom,
      rgba(12, 14, 19, 0.38) 0%,
      rgba(12, 14, 19, 0.18) 34%,
      rgba(12, 14, 19, 0.55) 62%,
      rgba(12, 14, 19, 0.94) 86%,
      #0c0e13 100%
    );
  }
}

@keyframes openvuln-enter {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes live-scan-sweep {
  from {
    transform: translateX(-105%);
  }
  to {
    transform: translateX(305%);
  }
}

.live-scan-sweep {
  animation: live-scan-sweep 2.4s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .openvuln-brand,
  .openvuln-composer {
    animation: none;
  }

  .live-scan-sweep {
    animation: none;
    transform: translateX(200%);
  }

  .openvuln-hero-video video {
    display: none;
  }

  .ov-line {
    animation: none;
    transform: none;
  }

  .ov-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .ov-navlink::after {
    transition: none;
  }
}

body.openvuln-running {
  overflow: hidden;
  background: #0c0e13;
}

body.openvuln-running .app-shell-chrome {
  display: none;
}