/* ============================================================
   Firefly 风格 —— 依据官方源码 (CuteLeaf/Firefly v6.16.8) 复刻
   来源：src/styles/variables.styl + src/components/layout/PostCard.astro
   ============================================================ */
:root{
  /* 主题色相：一个数字换整站配色。Firefly 默认 165(青绿)，此处 265(靛紫) */
  --hue: 265;
  --radius-large: 1rem;
  --content-delay: 150ms;

  /* === 以下变量照抄 variables.styl === */
  --primary: oklch(.70 .14 var(--hue));
  --page-bg: oklch(.95 .01 var(--hue));
  --card-bg: white;
  --card-bg-transparent: rgb(255 255 255 / .6);
  --btn-content: oklch(.55 .12 var(--hue));
  --btn-regular-bg: oklch(.95 .025 var(--hue));
  --btn-regular-bg-hover: oklch(.9 .05 var(--hue));
  --btn-regular-bg-active: oklch(.85 .08 var(--hue));
  --btn-plain-bg-hover: oklch(.95 .025 var(--hue));
  --btn-plain-bg-active: oklch(.98 .01 var(--hue));
  --btn-card-bg-hover: oklch(.98 .005 var(--hue));
  --deep-text: oklch(.25 .02 var(--hue));
  --title-active: oklch(.6 .1 var(--hue));
  --line-divider: rgba(0,0,0,.08);
  --line-color: rgba(0,0,0,.1);
  --meta-divider: rgba(0,0,0,.2);
  --content-meta: rgba(0,0,0,.7);
  --muted: oklch(.93 .015 var(--hue));
  --float-panel-bg: white;
  --enter-btn-bg: var(--btn-regular-bg);
  --enter-btn-bg-hover: var(--btn-regular-bg-hover);
  --enter-btn-bg-active: var(--btn-regular-bg-active);

  /* 布局 */
  --page-width: 100rem;
  --grid-sidebar-width: 17.5rem;
  --navbar-glass-blur: 12px;
  --banner-height-home: 65vh;
  --banner-height: 35vh;
  --coverWidth: 30%;
  --color-selection-bar: linear-gradient(to right,
    oklch(.80 .10 0),oklch(.80 .10 60),oklch(.80 .10 120),
    oklch(.80 .10 180),oklch(.80 .10 240),oklch(.80 .10 300),oklch(.80 .10 360));
}
:root.dark{
  --primary: oklch(.75 .14 var(--hue));
  --page-bg: oklch(.16 .014 var(--hue));
  --card-bg: oklch(.23 .015 var(--hue));
  --card-bg-transparent: rgb(23 23 23 / .6);
  --btn-content: oklch(.75 .1 var(--hue));
  --btn-regular-bg: oklch(.33 .035 var(--hue));
  --btn-regular-bg-hover: oklch(.38 .04 var(--hue));
  --btn-regular-bg-active: oklch(.43 .045 var(--hue));
  --btn-plain-bg-hover: oklch(.3 .035 var(--hue));
  --btn-plain-bg-active: oklch(.27 .025 var(--hue));
  --btn-card-bg-hover: oklch(.3 .03 var(--hue));
  --deep-text: oklch(.93 .01 var(--hue));
  --title-active: oklch(.78 .12 var(--hue));
  --line-divider: rgba(255,255,255,.08);
  --line-color: rgba(255,255,255,.1);
  --meta-divider: rgba(255,255,255,.2);
  --content-meta: rgba(255,255,255,.6);
  --muted: oklch(.25 .015 var(--hue));
  --float-panel-bg: oklch(.2 .015 var(--hue));
}

*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI","PingFang SC",
    "Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--page-bg);color:var(--deep-text);
  font-size:14px;line-height:1.75;-webkit-font-smoothing:antialiased;
  transition:background-color .2s,color .2s;min-height:100vh;
}
@media(min-width:768px){body{font-size:16px}}
a{color:inherit;text-decoration:none}

/* ================= 导航栏 ================= */
#navbar{
  position:fixed;top:0;left:0;right:0;z-index:50;height:4.5rem;
  display:flex;align-items:center;padding:0 1rem;
  transition:background-color .3s,backdrop-filter .3s,border-color .3s;
}
/* 首页未滚动时：导航栏透明，文字为白色（壁纸背景） */
#navbar[data-transparent]{ color:#fff }
#navbar[data-transparent] .brand,
#navbar[data-transparent] .nav-link,
#navbar[data-transparent] .icon-btn{
  color:#fff;
  text-shadow:0 1px 8px rgba(0,0,0,.65),0 1px 2px rgba(0,0,0,.5);
}
#navbar[data-transparent] .brand .logo{
  background:rgba(255,255,255,.22);
  box-shadow:0 0 0 1px rgba(255,255,255,.35);
  backdrop-filter:blur(8px);
}
#navbar[data-transparent] .nav-link:hover{ background:rgba(255,255,255,.18); color:#fff }
#navbar[data-transparent] .icon-btn:hover{ background:rgba(255,255,255,.18); color:#fff }
#navbar[data-transparent] .nav-link.active{ color:#fff }
/* 文字加阴影，保证在任意壁纸上都清晰 */
#navbar[data-transparent] .banner-safe-text{ text-shadow:0 1px 8px rgba(0,0,0,.6) }
#navbar[data-scrolled],#navbar.solid{
  background:color-mix(in oklab,var(--card-bg) 70%,transparent);
  backdrop-filter:blur(var(--navbar-glass-blur)) saturate(1.5);
  -webkit-backdrop-filter:blur(var(--navbar-glass-blur)) saturate(1.5);
  border-bottom:1px solid var(--line-divider);
}
.navbar-row{
  width:100%;max-width:var(--page-width);margin:0 auto;
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;
}
/* 品牌：h-13 (3.25rem) */
.brand{
  display:flex;align-items:center;height:3.25rem;padding:0 1.25rem;
  border-radius:.5rem;font-weight:700;transition:.15s;
}
.brand:hover{background:var(--btn-plain-bg-hover)}
.brand:active{transform:scale(.95)}
.brand .logo{
  width:1.75rem;height:1.75rem;border-radius:50%;margin-right:.5rem;
  display:grid;place-items:center;font-size:.85rem;font-weight:700;
  background:var(--primary);color:#fff;flex-shrink:0;
}
/* 头像图（导航栏） */
.brand .logo-img{
  width:1.75rem;height:1.75rem;border-radius:50%;margin-right:.5rem;
  object-fit:cover;flex-shrink:0;
  box-shadow:0 0 0 1.5px color-mix(in oklch,var(--primary) 55%,transparent);
}
/* 文字标（替代头像） */
.brand .brand-mark{
  width:1.75rem;height:1.75rem;border-radius:50%;margin-right:.5rem;
  display:grid;place-items:center;font-size:.85rem;font-weight:700;
  background:var(--primary);color:#fff;flex-shrink:0;
}
#navbar[data-transparent] .brand .brand-mark{
  background:rgba(255,255,255,.22);
  box-shadow:0 0 0 1px rgba(255,255,255,.35);
  backdrop-filter:blur(8px);
}
#navbar[data-transparent] .brand .logo-img{
  box-shadow:0 0 0 1.5px rgba(255,255,255,.6);
}
.nav-center{
  display:none;justify-content:center;align-items:center;
  gap:.25rem;grid-column:2;
}
@media(min-width:1024px){.nav-center{display:flex}}
.nav-link{
  display:flex;align-items:center;gap:.4rem;height:2.5rem;padding:0 1rem;
  border-radius:.5rem;font-weight:700;font-size:.95rem;transition:.15s;
  white-space:nowrap;
}
.nav-link:hover{background:var(--btn-plain-bg-hover);color:var(--primary)}
.nav-link:active{transform:scale(.95)}
.nav-link.active{color:var(--primary)}
.nav-right{
  display:flex;align-items:center;justify-content:flex-end;gap:.25rem;
  grid-column:3;            /* 固定在第三列，贴最右 */
  justify-self:end;
}
/* 图标按钮：h-11 w-11 (2.75rem) */
.icon-btn{
  width:2.75rem;height:2.75rem;border-radius:.5rem;border:none;cursor:pointer;
  background:transparent;color:var(--deep-text);font-size:1.25rem;
  display:grid;place-items:center;transition:.15s;
}
.icon-btn:hover{background:var(--btn-plain-bg-hover);color:var(--primary)}
.icon-btn:active{transform:scale(.9)}

/* ================= Banner ================= */
.wallpaper{
  position:relative;width:100%;height:var(--banner-height-home);
  min-height:400px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  background-color:oklch(.25 .05 var(--hue));
  background-image:url('/wallpaper.jpg');
  background-size:cover;background-position:center 35%;
  background-repeat:no-repeat;
}
@media(max-width:768px){
  .wallpaper{background-image:url('/wallpaper-sm.jpg');background-position:center 30%}
}
/* 遮罩：左深右浅（人物在右，文字靠左） */
.wallpaper .dim{
  position:absolute;inset:0;
  background:linear-gradient(100deg,
    rgba(0,0,0,.68) 0%,
    rgba(0,0,0,.5) 35%,
    rgba(0,0,0,.22) 62%,
    rgba(0,0,0,.12) 100%);
}
.wallpaper .grad{
  position:absolute;inset:0;
  background:linear-gradient(to bottom,rgba(0,0,0,.28),transparent 30%,transparent 60%,var(--page-bg));
}
.banner-overlay{
  position:relative;z-index:20;width:80%;max-width:60rem;
  text-align:left;padding-left:2rem;
  margin-right:auto;margin-left:0;
}
@media(min-width:1024px){
  .banner-overlay{width:75%;padding-left:4rem}
}
.banner-title{
  font-size:clamp(2.5rem,7vw,4.5rem);font-weight:700;line-height:1.1;
  color:#fff;margin-bottom:1rem;
  text-shadow:0 3px 28px rgba(0,0,0,.7),0 1px 4px rgba(0,0,0,.5);
}
.banner-sub{
  font-size:clamp(1.05rem,3vw,1.5rem);color:rgba(255,255,255,.94);
  line-height:1.5;min-height:2.2em;
  text-shadow:0 2px 16px rgba(0,0,0,.75);
  /* 固定高度+行数，避免打字时父容器高度变化导致整体抖动 */
  display:flex;align-items:center;
}
/* 打字机容器：固定最小宽度，左对齐，文字增长不引起重排 */
.typewriter-box{
  display:inline-block;
  min-width:min(24ch,80vw);
  text-align:left;
  white-space:nowrap;
}
.typewriter-cursor{
  display:inline-block;width:2px;height:1.05em;background:#fff;
  vertical-align:text-bottom;margin-left:2px;
  animation:blink 1s step-end infinite;
}
@keyframes blink{50%{opacity:0}}
.banner-links{margin-top:1.5rem;display:flex;gap:.75rem;flex-wrap:wrap}
.banner-link{
  padding:.6rem 1.3rem;border-radius:.75rem;font-size:.95rem;font-weight:600;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
  color:#fff;backdrop-filter:blur(8px);transition:.2s;
}
.banner-link:hover{background:rgba(255,255,255,.28);transform:translateY(-2px)}

/* ================= 主体三栏 ================= */
#content-panel{
  position:relative;z-index:30;width:100%;margin-top:-2rem;
}
#content-panel-inner{
  width:100%;max-width:var(--page-width);margin:0 auto;
}
@media(min-width:1280px){#content-panel-inner{width:92vw}}
#main-grid{
  display:grid;gap:1rem;padding:0 .5rem;width:100%;
}
@media(min-width:1024px){
  #main-grid{
    grid-template-columns:var(--grid-sidebar-width) 1fr var(--grid-sidebar-width);
    padding:0 1rem;
  }
}
@media(max-width:1023px){
  .col-side{display:none}
}
.content-column{display:flex;flex-direction:column;min-width:0}

/* ================= 分类栏 ================= */
.category-bar{
  display:flex;flex-wrap:wrap;gap:.5rem;padding:.75rem;margin-bottom:1rem;
  background:var(--card-bg);border-radius:var(--radius-large);
  box-shadow:0 2px 8px rgba(0,0,0,.05);
}
.cat-pill{
  font-size:.88rem;padding:.35rem 1rem;border-radius:.6rem;font-weight:700;
  color:var(--content-meta);transition:.15s;cursor:pointer;
}
.cat-pill:hover{background:var(--btn-regular-bg);color:var(--btn-content)}
.cat-pill.active{background:var(--btn-regular-bg);color:var(--primary)}

/* ================= 文章卡片（照抄 PostCard.astro） ================= */
.post-card-wrapper{
  display:flex;flex-direction:column-reverse;
  width:100%;border-radius:var(--radius-large);overflow:hidden;
  background:var(--card-bg);position:relative;
  box-shadow:0 2px 8px rgba(0,0,0,.05);
  transition:transform .2s cubic-bezier(.4,0,.2,1),box-shadow .2s;
  margin-bottom:1rem;
}
.post-card-wrapper:hover{transform:translateY(-3px);
  box-shadow:0 8px 24px rgba(0,0,0,.12)}
.post-card-content{
  position:relative;display:flex;flex-direction:column;height:100%;
  padding:1.75rem .5rem 1.75rem 2.25rem;
  width:calc(100% - var(--coverWidth) - 1.5rem);
}
.post-card-wrapper.no-cover .post-card-content{width:calc(100% - 52px - 12px)}
.post-card-title{
  display:block;width:100%;font-weight:700;font-size:1.5rem;line-height:2rem;
  margin-bottom:.75rem;transition:color .15s;position:relative;
}
.post-card-title:hover{color:var(--primary)}
.post-card-title:active{color:var(--title-active)}
/* ★ Firefly 招牌：标题左侧主色竖条 */
.post-card-title::before{
  content:'';position:absolute;width:.25rem;height:1.25rem;border-radius:.375rem;
  background:var(--primary);top:2.25rem;left:-1.5rem;
}
.post-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:.5rem;
  margin-bottom:1rem;font-size:.82rem;color:rgba(0,0,0,.5);
}
:root.dark .post-meta{color:rgba(255,255,255,.5)}
.post-meta .mi{display:flex;align-items:center;gap:.3rem}
.post-desc{
  color:rgba(0,0,0,.7);line-height:1.7;flex-grow:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;
}
:root.dark .post-desc{color:rgba(255,255,255,.7)}
.post-card-bottom-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:.375rem;margin-top:auto;padding-top:.75rem;
}
.tag-item{
  font-size:.75rem;font-weight:500;padding:.25rem .625rem;border-radius:.5rem;
  background:var(--btn-regular-bg);color:var(--btn-content);transition:.15s;
}
.tag-item:hover{background:var(--btn-regular-bg-hover)}
/* 封面：右侧 30%，内缩 1rem */
.post-card-image{
  position:absolute;top:1rem;bottom:1rem;right:1rem;
  width:var(--coverWidth);border-radius:.75rem;overflow:hidden;
  display:grid;place-items:center;font-size:2.5rem;
  background:linear-gradient(135deg,
    color-mix(in oklch,var(--primary) 55%,#fff),
    color-mix(in oklch,var(--primary) 28%,#999));
  transition:transform .25s;
}
.post-card-wrapper:hover .post-card-image{transform:scale(1.03)}
/* 真图封面 */
.post-card-image.has-img{padding:0}
.post-card-image.has-img img{
  width:100%;height:100%;object-fit:cover;display:block;
}

@media(max-width:767px){
  .post-card-content{width:100%!important;padding:1rem}
  .post-card-image{display:none}
  .post-card-title{font-size:1.15rem;line-height:1.6rem}
  .post-card-title::before{display:none}
}

/* ================= 侧边栏组件 ================= */
.widget{background:var(--card-bg);border-radius:var(--radius-large);
  box-shadow:0 2px 8px rgba(0,0,0,.05);padding-bottom:1rem;margin-bottom:1rem}
.widget-name{
  display:flex;align-items:center;gap:.5rem;padding:1rem 1rem .6rem;
  font-weight:700;font-size:1rem;
}
.widget-name::before{
  content:'';width:.25rem;height:1rem;border-radius:.375rem;background:var(--primary);
}
.widget-body{padding:0 1rem}
.profile-card{text-align:center;padding:1.5rem 1rem}
.profile-avatar{
  width:5rem;height:5rem;border-radius:50%;margin:0 auto .85rem;
  display:grid;place-items:center;font-size:1.9rem;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--primary),oklch(.6 .16 calc(var(--hue) + 50)));
  box-shadow:0 6px 20px color-mix(in oklch,var(--primary) 35%,transparent);
}
/* 头像图（侧栏） */
.profile-avatar-img{
  width:5.5rem;height:5.5rem;border-radius:50%;margin:0 auto .85rem;
  object-fit:cover;display:block;
  box-shadow:0 6px 20px color-mix(in oklch,var(--primary) 35%,transparent),
    0 0 0 3px var(--card-bg),
    0 0 0 4.5px color-mix(in oklch,var(--primary) 40%,transparent);
}
.profile-name{font-size:1.15rem;font-weight:700;margin-bottom:.3rem}
.profile-bio{font-size:.88rem;color:var(--content-meta);line-height:1.6}
.profile-stats{display:flex;justify-content:center;gap:1.75rem;margin-top:1rem;
  padding-top:1rem;border-top:1px solid var(--line-divider)}
.stat{text-align:center}
.stat .n{font-size:1.15rem;font-weight:700;color:var(--primary)}
.stat .l{font-size:.72rem;color:var(--content-meta)}
.widget-list a{
  display:flex;align-items:center;gap:.6rem;padding:.55rem .6rem;
  border-radius:.5rem;font-size:.9rem;color:var(--content-meta);transition:.15s;
}
.widget-list a:hover{background:var(--btn-plain-bg-hover);color:var(--primary)}
.widget-list .dot{width:5px;height:5px;border-radius:50%;background:var(--primary);flex-shrink:0}
.pill-row{display:flex;flex-wrap:wrap;gap:.4rem}

/* ================= 页脚 ================= */
.footer{
  max-width:var(--page-width);margin:0 auto;padding:2rem 1rem;
  display:flex;flex-direction:column;align-items:center;gap:.8rem;
  font-size:.85rem;color:var(--content-meta);
  border-top:1px solid var(--line-divider);
}
.footer .fl{display:flex;gap:1.5rem;flex-wrap:wrap;justify-content:center}
.footer a{transition:.15s}
.footer a:hover{color:var(--primary)}
/* 备案信息 */
.beian{
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:.4rem;
  font-size:.8rem;color:var(--content-meta);
}
.beian a{display:inline-flex;align-items:center;gap:.3rem;color:var(--content-meta)}
.beian a:hover{color:var(--primary)}
.beian .sep{opacity:.4}
.beian-police img{
  width:16px;height:16px;display:inline-block;vertical-align:middle;
  margin-right:2px;
}

/* ================= 动画 ================= */
@keyframes onloadIn{to{opacity:1;transform:translateY(0)}}
.onload-animation{
  opacity:0;transform:translateY(14px);
  animation:onloadIn .5s var(--content-delay) forwards;
}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:var(--btn-regular-bg);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--btn-regular-bg-hover)}