/* =========================================================
   社篮 shelan.cc · 液态玻璃设计系统
   严格对齐《社篮设计文档（iOS27液态玻璃）》第 3 章 Token
   ========================================================= */

/* ---------- 3.1 色彩体系 ---------- */
:root{
  --bg-deep:#0A0D12;

  --glass-base:rgba(255,255,255,.12);
  --glass-hi:rgba(255,255,255,.20);
  --glass-low:rgba(255,255,255,.07);
  --stroke:rgba(255,255,255,.35);
  --stroke-soft:rgba(255,255,255,.14);
  --stroke-hair:rgba(255,255,255,.10);

  --text-primary:#FFFFFF;
  --text-secondary:rgba(255,255,255,.72);
  --text-tertiary:rgba(255,255,255,.48);
  --text-quaternary:rgba(255,255,255,.30);

  --brand:#FF7A1A;
  --brand-dark:#E05E00;
  --brand-soft:rgba(255,122,26,.16);
  --brand-stroke:rgba(255,122,26,.42);

  --accent:#30D158;
  --accent-soft:rgba(48,209,88,.16);
  --info:#0A84FF;
  --info-soft:rgba(10,132,255,.18);
  --warn:#FFD60A;
  --warn-soft:rgba(255,214,10,.16);
  --danger:#FF453A;
  --danger-soft:rgba(255,69,58,.18);

  /* ---------- 3.2 字体与排版 ---------- */
  --font-cn:"PingFang SC","SF Pro Text","Helvetica Neue","Microsoft YaHei",-apple-system,sans-serif;
  --font-en:"SF Pro Display","SF Pro Text",-apple-system,"Helvetica Neue",sans-serif;

  --size-large:34px;   /* 页面大标题 */
  --size-title:22px;   /* 页面标题 */
  --size-body:17px;    /* 正文 */
  --size-sub:15px;     /* 次级说明 */
  --size-caption:13px; /* 辅助信息 */
  --size-mini:11px;    /* 角标 */

  /* ---------- 3.3 圆角与形状 ---------- */
  --radius-xl:28px;    /* 大卡片/弹层 */
  --radius-lg:20px;    /* 卡片 */
  --radius-md:14px;    /* 控件/输入框 */
  --radius-sm:10px;    /* 小元素/标签 */
  --radius-round:999px;

  /* ---------- 3.4 玻璃材质参数 ---------- */
  --blur:44px;         /* 30–60pt 区间中值 */
  --glass-opacity:.12; /* 8%–25% 区间 */
  --highlight:1px rgba(255,255,255,.22);
  --glass-border:1px solid var(--stroke-soft);

  /* ---------- 3.5 阴影与深度 ---------- */
  --shadow-card:0 8px 32px rgba(0,0,0,.30);
  --shadow-float:0 16px 48px rgba(0,0,0,.42);
  --shadow-sheet:0 -12px 48px rgba(0,0,0,.50);

  /* ---------- 3.7 动效规范 ---------- */
  --dur-micro:150ms;   --ease-micro:ease-out;
  --dur-std:250ms;     --ease-std:cubic-bezier(.25,.1,.25,1);
  --dur-trans:350ms;   --ease-trans:cubic-bezier(.34,1.36,.64,1);

  --safe-top:env(safe-area-inset-top,0px);
  --safe-bottom:env(safe-area-inset-bottom,0px);
}

*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent;}
html,body{height:100%;}
body{
  font-family:var(--font-cn);
  font-size:var(--size-body);
  color:var(--text-primary);
  background:var(--bg-deep);
  overflow:hidden;
  overscroll-behavior:none;
  -webkit-text-size-adjust:100%;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;border:none;background:none;outline:none;}
button{cursor:pointer;}
ul,ol{list-style:none;}
img{display:block;max-width:100%;}

/* =========================================================
   背景层：球场夜景（为 backdrop-filter 提供可模糊内容）
   ========================================================= */
.bg-scene{
  position:fixed;inset:0;z-index:0;overflow:hidden;
  background:
    radial-gradient(120% 80% at 18% 4%, rgba(255,122,26,.30) 0%, transparent 52%),
    radial-gradient(90% 70% at 88% 12%, rgba(10,132,255,.26) 0%, transparent 55%),
    radial-gradient(120% 90% at 50% 108%, rgba(48,209,88,.16) 0%, transparent 58%),
    linear-gradient(175deg,#101A2E 0%,#0A0D12 46%,#140D08 100%);
}
/* 球场地板线 */
.bg-court{
  position:absolute;left:50%;bottom:-14%;width:150%;height:62%;
  transform:translateX(-50%) perspective(420px) rotateX(64deg);
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,.055) 0 1px, transparent 1px 9%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.045) 0 1px, transparent 1px 14%),
    linear-gradient(180deg, rgba(255,122,26,.14), rgba(0,0,0,0) 70%);
  opacity:.85;
}
/* 篮球纹理圆 */
.bg-ball{
  position:absolute;width:460px;height:460px;border-radius:50%;
  right:-160px;top:-130px;opacity:.16;
  background:
    radial-gradient(circle at 32% 28%, #FFA45C 0%, #FF7A1A 34%, #B34A00 72%, #6B2A00 100%);
  filter:blur(1px);
}
.bg-ball::before{
  content:"";position:absolute;inset:0;border-radius:50%;
  background:
    linear-gradient(90deg,transparent 49.4%,rgba(0,0,0,.55) 49.4% 50.6%,transparent 50.6%),
    linear-gradient(0deg,transparent 49.4%,rgba(0,0,0,.55) 49.4% 50.6%,transparent 50.6%);
}
.bg-ball::after{
  content:"";position:absolute;left:50%;top:50%;width:190px;height:190px;
  transform:translate(-50%,-50%);border-radius:50%;
  border:3px solid rgba(0,0,0,.5);
}
/* 灯光 */
.bg-lamp{
  position:absolute;border-radius:50%;filter:blur(60px);
}
.bg-lamp.l1{width:280px;height:280px;left:8%;top:22%;background:rgba(255,122,26,.22);}
.bg-lamp.l2{width:220px;height:220px;right:12%;top:34%;background:rgba(10,132,255,.20);}
/* 噪点 */
.bg-noise{
  position:absolute;inset:0;opacity:.16;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/></filter><rect width='160' height='160' filter='url(%23n)' opacity='.55'/></svg>");
}

/* 降级：不支持 backdrop-filter */
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .glass{
    background:linear-gradient(180deg,rgba(38,44,58,.92),rgba(22,27,36,.94))!important;
    -webkit-backdrop-filter:none!important;backdrop-filter:none!important;
    border-color:rgba(255,255,255,.18)!important;
  }
}
/* 手动降级开关（性能模式） */
body.perf-lite .glass{
  background:linear-gradient(180deg,rgba(38,44,58,.94),rgba(20,25,34,.96))!important;
  -webkit-backdrop-filter:none!important;backdrop-filter:none!important;
}
body.perf-lite .bg-court,body.perf-lite .bg-noise{display:none;}

/* =========================================================
   玻璃材质基类
   ========================================================= */
.glass{
  position:relative;
  background:rgba(255,255,255,var(--glass-opacity));
  -webkit-backdrop-filter:blur(var(--blur)) saturate(180%);
  backdrop-filter:blur(var(--blur)) saturate(180%);
  border:var(--glass-border);
  box-shadow:var(--shadow-card);
  border-radius:var(--radius-lg);
  overflow:hidden;
}
/* 顶部高光：伪元素渐变（设计文档 2.3 / 6.1） */
.glass::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.45) 22%,rgba(255,255,255,.45) 78%,transparent);
  pointer-events:none;z-index:2;
}
.glass-hi{
  background:rgba(255,255,255,var(--glass-opacity,.20));
  border-color:rgba(255,255,255,.28);
}
/* 品牌着色 tint（设计文档 2.4 色彩随背景流动） */
.glass.tint-brand{
  background:linear-gradient(160deg,rgba(255,122,26,.22),rgba(255,122,26,.08));
  border-color:var(--brand-stroke);
}
.glass.tint-info{
  background:linear-gradient(160deg,rgba(10,132,255,.22),rgba(10,132,255,.08));
  border-color:rgba(10,132,255,.42);
}
.glass.tint-accent{
  background:linear-gradient(160deg,rgba(48,209,88,.22),rgba(48,209,88,.08));
  border-color:rgba(48,209,88,.42);
}
.glass.tint-danger{
  background:linear-gradient(160deg,rgba(255,69,58,.22),rgba(255,69,58,.08));
  border-color:rgba(255,69,58,.42);
}

/* =========================================================
   布局
   ------------------------------------------------------------
   高度链路（移动端关键）：
   html,body → .demo-wrap → #app → .screen → .scroll
   每一级都必须拿到确定高度，否则 .scroll 的 flex:1 失效、
   滚动容器高度塌陷成内容高度，手机上就会「滑不动」。
   桌面端（≥1080px）在文件末尾覆盖为 390×844 的手机模型。
   ========================================================= */
/* 移动端：应用外壳铺满视口，高度用 dvh 兼容移动浏览器地址栏收起/展开 */
.demo-wrap{
  position:relative;z-index:1;
  height:100vh;
  height:100dvh;
  display:flex;flex-direction:column;
  overflow:hidden;
}
#app{
  position:relative;z-index:1;
  flex:1;min-height:0;
  display:flex;flex-direction:column;
  overflow:hidden;
}
.screen{flex:1;min-height:0;display:flex;flex-direction:column;position:relative;}
/* 唯一滚动主体：内容溢出时自己滚，页面本身不滚 */
.scroll{
  flex:1;min-height:0;
  overflow-y:auto;
  -webkit-overflow-scrolling:touch;
  overscroll-behavior:contain;
  scrollbar-width:none;
}
.scroll::-webkit-scrollbar{display:none;}

/* 导航栏：滚动时从透明过渡到玻璃 */
.navbar{
  position:sticky;top:0;z-index:30;
  padding:calc(var(--safe-top) + 10px) 18px 10px;
  display:flex;align-items:center;gap:12px;
  transition:background var(--dur-std) var(--ease-std),
             border-color var(--dur-std) var(--ease-std),
             box-shadow var(--dur-std) var(--ease-std);
  border-bottom:1px solid transparent;
  background:transparent;
}
.navbar.solid{
  background:rgba(10,13,18,.55);
  -webkit-backdrop-filter:blur(28px) saturate(180%);
  backdrop-filter:blur(28px) saturate(180%);
  border-bottom-color:var(--stroke-hair);
}
.nav-back{
  width:36px;height:36px;flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:var(--radius-round);
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid var(--stroke-soft);
  color:var(--text-primary);
  transition:transform var(--dur-micro) var(--ease-micro),background var(--dur-micro);
}
.nav-back:active{transform:scale(.92);background:rgba(255,255,255,.24);}
.nav-title{font-size:var(--size-title);font-weight:700;letter-spacing:-.3px;}
.nav-sub{font-size:var(--size-caption);color:var(--text-tertiary);margin-top:2px;}
.nav-sp{flex:1;}
.nav-ico{
  width:36px;height:36px;flex:0 0 auto;position:relative;
  display:grid;place-items:center;font-size:18px;
  border-radius:var(--radius-round);
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid var(--stroke-soft);
  transition:transform var(--dur-micro) var(--ease-micro);
}
.nav-ico:active{transform:scale(.92);}
.nav-ico .dot{
  position:absolute;top:7px;right:8px;width:7px;height:7px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 2px rgba(10,13,18,.5);
}

/* 页面大标题 */
.page-head{padding:6px 18px 14px;}
.page-head h1{font-size:var(--size-large);font-weight:800;letter-spacing:-1px;line-height:1.15;}
.page-head p{margin-top:6px;font-size:var(--size-sub);color:var(--text-secondary);line-height:1.5;}
.section-t{
  padding:22px 18px 10px;
  font-size:var(--size-caption);font-weight:700;letter-spacing:1.2px;
  color:var(--text-tertiary);text-transform:uppercase;
}

/* 底部标签栏 */
.tabbar{
  flex:0 0 auto;z-index:40;
  display:flex;padding:8px 4px calc(8px + var(--safe-bottom));
  background:rgba(10,13,18,.5);
  -webkit-backdrop-filter:blur(30px) saturate(180%);
  backdrop-filter:blur(30px) saturate(180%);
  border-top:1px solid var(--stroke-hair);
}
.tab{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
  color:var(--text-tertiary);padding:4px 0;
  transition:color var(--dur-std) var(--ease-std);
}
.tab .ti{font-size:20px;line-height:1;transition:transform var(--dur-micro) var(--ease-micro);}
.tab .tl{font-size:10px;font-weight:600;letter-spacing:-.2px;white-space:nowrap;}
.tab.on{color:var(--brand);}
.tab:active .ti{transform:scale(.86);}
.tab .dot{
  position:absolute;margin-left:20px;margin-top:-2px;
  min-width:16px;height:16px;border-radius:8px;background:var(--danger);
  color:#fff;font-size:10px;font-weight:700;display:grid;place-items:center;padding:0 4px;
  border:1.5px solid rgba(10,13,18,.6);
}

/* =========================================================
   组件
   ========================================================= */
/* 玻璃卡片 */
.card{
  margin:0 18px 12px;padding:16px;
  background:rgba(255,255,255,var(--glass-opacity));
  -webkit-backdrop-filter:blur(var(--blur)) saturate(180%);
  backdrop-filter:blur(var(--blur)) saturate(180%);
  border:1px solid var(--stroke-soft);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.40) 20%,rgba(255,255,255,.40) 80%,transparent);
  pointer-events:none;
}
.card-hi{background:rgba(255,255,255,.20);border-color:rgba(255,255,255,.26);}
.card-flat{box-shadow:none;background:rgba(255,255,255,.06);border-color:var(--stroke-hair);}
.card-title{font-size:var(--size-body);font-weight:700;letter-spacing:-.2px;}
.card-sub{font-size:var(--size-caption);color:var(--text-tertiary);margin-top:4px;line-height:1.5;}
.card-row{display:flex;align-items:center;gap:12px;}
.card-row + .card-row{margin-top:14px;}

/* 按钮体系（设计文档 5.2） */
.btn{
  height:50px;padding:0 22px;border-radius:var(--radius-md);
  font-size:var(--size-body);font-weight:600;letter-spacing:.2px;
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  transition:transform var(--dur-micro) var(--ease-micro),
             background var(--dur-micro) var(--ease-micro),
             opacity var(--dur-micro);
}
.btn:active{transform:scale(.965);}
.btn-primary{
  background:linear-gradient(180deg,var(--brand),var(--brand-dark));
  color:#fff;box-shadow:0 6px 20px rgba(255,122,26,.34);
}
.btn-primary:active{background:var(--brand-dark);box-shadow:0 3px 12px rgba(255,122,26,.30);}
.btn-secondary{
  background:rgba(255,255,255,.16);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid var(--stroke-soft);color:var(--text-primary);
}
.btn-secondary:active{background:rgba(255,255,255,.26);}
.btn-text{color:var(--brand);padding:0 8px;height:auto;font-size:var(--size-sub);}
.btn-danger{color:var(--danger);border:1px solid rgba(255,69,58,.42);background:rgba(255,69,58,.10);}
.btn-danger:active{background:rgba(255,69,58,.20);}
.btn-block{width:100%;}
.btn-sm{height:36px;padding:0 15px;font-size:var(--size-sub);border-radius:var(--radius-sm);}
.btn-xs{height:30px;padding:0 12px;font-size:var(--size-caption);border-radius:var(--radius-sm);}
.btn:disabled{opacity:.4;pointer-events:none;}

/* 标签/胶囊 */
.chip{
  display:inline-flex;align-items:center;gap:5px;
  height:32px;padding:0 13px;border-radius:var(--radius-round);
  background:rgba(255,255,255,.12);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--stroke-soft);
  font-size:var(--size-caption);font-weight:600;color:var(--text-secondary);
  white-space:nowrap;transition:all var(--dur-micro) var(--ease-micro);
}
.chip:active{transform:scale(.94);}
.chip.on{
  background:var(--brand-soft);border-color:var(--brand-stroke);
  color:var(--brand);background:rgba(255,122,26,.20);
}
.chip-row{display:flex;gap:8px;padding:0 18px 14px;overflow-x:auto;scrollbar-width:none;}
.chip-row::-webkit-scrollbar{display:none;}
.chip.info{background:var(--info-soft);border-color:rgba(10,132,255,.4);color:var(--info);}
.chip.accent{background:var(--accent-soft);border-color:rgba(48,209,88,.4);color:var(--accent);}
.chip.warn{background:var(--warn-soft);border-color:rgba(255,214,10,.4);color:var(--warn);}
.chip.danger{background:var(--danger-soft);border-color:rgba(255,69,58,.4);color:var(--danger);}

/* 状态点 */
.dot-status{
  display:inline-block;width:7px;height:7px;border-radius:50%;
  background:var(--text-quaternary);flex:0 0 auto;
}
.dot-status.pending{background:var(--info);box-shadow:0 0 8px rgba(10,132,255,.6);}
.dot-status.published{background:var(--accent);box-shadow:0 0 8px rgba(48,209,88,.6);}
.dot-status.cancelled{background:var(--danger);box-shadow:0 0 8px rgba(255,69,58,.5);}
.dot-status.finished{background:var(--text-quaternary);}

/* 列表行（信息流） */
.lrow{
  display:flex;align-items:center;gap:12px;
  padding:14px 18px;
  border-bottom:1px solid var(--stroke-hair);
  transition:background var(--dur-micro) var(--ease-micro);
  width:100%;text-align:left;
}
.lrow:last-child{border-bottom:none;}
.lrow:active{background:rgba(255,255,255,.07);}
.lrow-ico{
  width:40px;height:40px;flex:0 0 auto;border-radius:var(--radius-md);
  display:grid;place-items:center;font-size:19px;
  background:rgba(255,255,255,.12);
  border:1px solid var(--stroke-soft);
}
.lrow-b{flex:1;min-width:0;}
.lrow-t{font-size:var(--size-sub);font-weight:600;}
.lrow-d{font-size:var(--size-caption);color:var(--text-tertiary);margin-top:3px;line-height:1.45;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.lrow-r{flex:0 0 auto;font-size:var(--size-caption);color:var(--text-tertiary);display:flex;align-items:center;gap:6px;}

/* 头像 */
.avatar{
  border-radius:50%;flex:0 0 auto;
  display:grid;place-items:center;font-weight:700;color:#fff;
  border:1.5px solid rgba(255,255,255,.22);
  position:relative;overflow:hidden;
}
.avatar.sq{border-radius:var(--radius-md);}
.avatar .ring-hi{
  position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35);
}

/* 社区 LOGO（squircle） */
.logo{
  border-radius:26%;flex:0 0 auto;display:grid;place-items:center;
  font-size:22px;font-weight:800;color:#fff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.30), 0 4px 14px rgba(0,0,0,.3);
}

/* 环形进度（设计文档 4.5） */
.ring{position:relative;width:64px;height:64px;flex:0 0 auto;}
.ring svg{transform:rotate(-90deg);}
.ring .rc{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;line-height:1;
}
.ring .rc b{font-size:19px;font-weight:800;letter-spacing:-.5px;}
.ring .rc span{font-size:9px;color:var(--text-tertiary);margin-top:2px;}

/* 进度条 */
.bar{height:5px;border-radius:3px;background:rgba(255,255,255,.14);overflow:hidden;}
.bar i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--accent));
  transition:width var(--dur-std) var(--ease-std);}

/* 统计 */
.stats{display:flex;margin:0 18px 12px;}
.stats>div{flex:1;text-align:center;padding:14px 0;}
.stats>div+div{border-left:1px solid var(--stroke-hair);}
.stats .sv{font-size:26px;font-weight:800;letter-spacing:-.8px;}
.stats .sl{font-size:var(--size-mini);color:var(--text-tertiary);margin-top:4px;}

/* 表单 */
.field{padding:0 18px 16px;}
.field>label{display:block;font-size:var(--size-caption);font-weight:600;color:var(--text-secondary);margin-bottom:8px;}
.input{
  width:100%;height:48px;padding:0 14px;
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.09);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid var(--stroke-soft);
  font-size:var(--size-body);color:var(--text-primary);
  transition:border-color var(--dur-micro) var(--ease-micro),
             transform var(--dur-micro) var(--ease-micro),
             background var(--dur-micro) var(--ease-micro);
}
.input::placeholder{color:var(--text-quaternary);}
.input:focus{
  border-color:var(--brand);background:rgba(255,255,255,.13);
  transform:translateY(-1px);
}
textarea.input{height:auto;min-height:96px;padding:12px 14px;resize:none;line-height:1.55;}
select.input{
  appearance:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path d='M1 1l5 5 5-5' stroke='rgba(255,255,255,.6)' stroke-width='1.6' fill='none' stroke-linecap='round'/></svg>");
  background-repeat:no-repeat;background-position:right 14px center;
  padding-right:36px;
}
select.input option{background:#1A1F2A;color:#fff;}
.row2{display:flex;gap:10px;}
.row2>*{flex:1;min-width:0;}

/* 开关 */
.switch{
  width:48px;height:28px;border-radius:14px;flex:0 0 auto;position:relative;
  background:rgba(255,255,255,.18);border:1px solid var(--stroke-soft);
  transition:background var(--dur-std) var(--ease-std);
}
.switch.on{background:var(--brand);border-color:transparent;}
.switch::after{
  content:"";position:absolute;top:2px;left:2px;width:22px;height:22px;border-radius:50%;
  background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.3);
  transition:transform var(--dur-std) var(--ease-trans);
}
.switch.on::after{transform:translateX(20px);}

/* 弹层（设计文档 5.4） */
.mask{
  position:fixed;inset:0;z-index:80;
  background:rgba(0,0,0,.42);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  opacity:0;pointer-events:none;transition:opacity var(--dur-trans) var(--ease-trans);
}
.mask.show{opacity:1;pointer-events:auto;}
.sheet{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  max-height:82vh;display:flex;flex-direction:column;
  border-radius:var(--radius-xl) var(--radius-xl) 0 0;
  background:rgba(24,29,40,.78);
  -webkit-backdrop-filter:blur(40px) saturate(180%);
  backdrop-filter:blur(40px) saturate(180%);
  border-top:1px solid var(--stroke);
  box-shadow:var(--shadow-sheet);
  transform:translateY(100%);
  transition:transform var(--dur-trans) var(--ease-trans);
  padding-bottom:var(--safe-bottom);
}
.sheet.show{transform:translateY(0);}
.sheet::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);
}
.sheet-grab{width:38px;height:4px;border-radius:2px;background:rgba(255,255,255,.3);margin:10px auto 4px;}
.sheet-hd{padding:8px 20px 12px;font-size:var(--size-title);font-weight:700;}
.sheet-bd{overflow-y:auto;padding:0 20px 20px;}
.sheet-ft{padding:12px 20px calc(16px + var(--safe-bottom));display:flex;gap:10px;}

/* 居中弹窗 */
.dialog{
  position:fixed;left:50%;top:50%;z-index:95;
  transform:translate(-50%,-50%) scale(.9);opacity:0;pointer-events:none;
  width:min(88vw,340px);padding:22px;
  border-radius:var(--radius-xl);
  background:rgba(28,33,44,.85);
  -webkit-backdrop-filter:blur(40px) saturate(180%);
  backdrop-filter:blur(40px) saturate(180%);
  border:1px solid var(--stroke);
  box-shadow:var(--shadow-float);
  transition:transform var(--dur-trans) var(--ease-trans),opacity var(--dur-trans) var(--ease-trans);
}
.dialog.show{transform:translate(-50%,-50%) scale(1);opacity:1;pointer-events:auto;}
.dialog h3{font-size:var(--size-title);font-weight:700;margin-bottom:8px;}
.dialog p{font-size:var(--size-sub);color:var(--text-secondary);line-height:1.6;}

/* Toast */
.toast{
  position:fixed;left:50%;bottom:96px;z-index:120;
  transform:translate(-50%,16px);opacity:0;pointer-events:none;
  max-width:80vw;padding:11px 18px;border-radius:var(--radius-md);
  background:rgba(30,36,48,.92);
  -webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);
  border:1px solid var(--stroke-soft);
  box-shadow:var(--shadow-float);
  font-size:var(--size-sub);font-weight:600;text-align:center;line-height:1.5;
  transition:opacity var(--dur-std) var(--ease-std),transform var(--dur-std) var(--ease-trans);
}
.toast.show{opacity:1;transform:translate(-50%,0);}
.toast.err{border-color:rgba(255,69,58,.5);color:#FFB4AE;}

/* 页面转场 */
.view{animation:viewIn var(--dur-trans) var(--ease-trans);}
@keyframes viewIn{from{opacity:0;transform:translateY(10px) scale(.99);}to{opacity:1;transform:none;}}

/* 空态 / 骨架 / 错误 */
.empty{padding:70px 34px;text-align:center;}
.empty .e-ic{
  width:96px;height:96px;margin:0 auto 20px;border-radius:50%;
  display:grid;place-items:center;font-size:44px;
  background:rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  border:1px solid var(--stroke-soft);
}
.empty .e-t{font-size:var(--size-body);font-weight:700;margin-bottom:8px;}
.empty .e-d{font-size:var(--size-sub);color:var(--text-tertiary);line-height:1.6;margin-bottom:20px;}
.skel{
  border-radius:var(--radius-lg);height:96px;margin:0 18px 12px;
  background:linear-gradient(90deg,rgba(255,255,255,.07) 25%,rgba(255,255,255,.16) 50%,rgba(255,255,255,.07) 75%);
  background-size:220% 100%;animation:skel 1.4s ease-in-out infinite;
}
@keyframes skel{0%{background-position:120% 0}100%{background-position:-20% 0}}

/* 地图（示意，非真实地图服务） */
.mapbox{
  position:relative;height:210px;margin:0 18px 12px;
  border-radius:var(--radius-lg);overflow:hidden;
  background:
    repeating-linear-gradient(0deg,rgba(255,255,255,.045) 0 1px,transparent 1px 34px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 34px),
    rgba(255,255,255,.05);
  border:1px solid var(--stroke-soft);
}
.map-radius{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:190px;height:190px;border-radius:50%;
  border:1.5px dashed rgba(255,122,26,.55);
  background:radial-gradient(circle,rgba(255,122,26,.16),transparent 70%);
}
.map-me{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:14px;height:14px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 0 6px rgba(255,122,26,.20),0 0 0 12px rgba(255,122,26,.10);
}
.map-pin{
  position:absolute;transform:translate(-50%,-100%);
  font-size:24px;filter:drop-shadow(0 3px 6px rgba(0,0,0,.5));
}
.map-legend{
  position:absolute;left:12px;bottom:10px;font-size:var(--size-mini);color:var(--text-secondary);
  background:rgba(10,13,18,.55);padding:4px 9px;border-radius:var(--radius-sm);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--stroke-hair);
}
.map-legend.r{left:auto;right:12px;}

/* 动态流 */
.post{padding:16px;}
.post-hd{display:flex;align-items:center;gap:11px;margin-bottom:12px;}
.post-more{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;border:none;
  background:rgba(255,255,255,.08);color:var(--text-tertiary);
  font-size:14px;letter-spacing:1px;cursor:pointer;
}
.post-more:active{transform:scale(.92);}
.post-hd .ph-b{flex:1;min-width:0;}
.post-hd .ph-t{font-size:var(--size-sub);font-weight:700;}
.post-hd .ph-d{font-size:var(--size-mini);color:var(--text-tertiary);margin-top:3px;}
.post-txt{font-size:var(--size-body);line-height:1.62;color:var(--text-primary);}
.post-img{
  margin-top:12px;border-radius:var(--radius-md);overflow:hidden;
  height:170px;position:relative;
  border:1px solid var(--stroke-soft);
}
.post-img .ph{
  position:absolute;inset:0;display:grid;place-items:center;font-size:56px;opacity:.85;
}
.post-act{display:flex;gap:18px;margin-top:14px;padding-top:12px;border-top:1px solid var(--stroke-hair);}
.post-act button{
  display:flex;align-items:center;gap:6px;font-size:var(--size-caption);
  color:var(--text-tertiary);transition:color var(--dur-micro),transform var(--dur-micro);
}
.post-act button:active{transform:scale(.9);}
.post-act button.liked{color:var(--brand);}

/* AI 形象设计 */
.ai-canvas{
  position:relative;margin:0 18px 12px;padding:20px;
  border-radius:var(--radius-xl);text-align:center;
  background:rgba(255,255,255,.07);
  -webkit-backdrop-filter:blur(var(--blur));backdrop-filter:blur(var(--blur));
  border:1px solid var(--stroke-soft);
  overflow:hidden;
}
.ai-canvas::after{
  content:"";position:absolute;left:50%;top:50%;width:180px;height:180px;
  transform:translate(-50%,-50%);border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,26,.30),transparent 68%);
  filter:blur(24px);animation:breathe 2.6s ease-in-out infinite;
}
@keyframes breathe{0%,100%{opacity:.45;transform:translate(-50%,-50%) scale(.9)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.12)}}
.ai-cands{display:flex;gap:12px;padding:0 18px 12px;overflow-x:auto;scrollbar-width:none;}
.ai-cands::-webkit-scrollbar{display:none;}
.ai-cand{
  flex:0 0 108px;height:138px;border-radius:var(--radius-lg);
  display:grid;place-items:center;font-size:44px;position:relative;
  border:1px solid var(--stroke-soft);
  background:rgba(255,255,255,.08);
  transition:transform var(--dur-micro) var(--ease-micro),border-color var(--dur-micro);
}
.ai-cand:active{transform:scale(.95);}
.ai-cand.on{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft);}
.ai-cand .tick{
  position:absolute;top:7px;right:7px;width:20px;height:20px;border-radius:50%;
  background:var(--brand);color:#fff;font-size:11px;display:grid;place-items:center;
  opacity:0;transition:opacity var(--dur-micro);
}
.ai-cand.on .tick{opacity:1;}

/* 权限矩阵表 */
.matrix{width:100%;border-collapse:collapse;font-size:var(--size-caption);}
.matrix th,.matrix td{padding:9px 6px;text-align:center;border-bottom:1px solid var(--stroke-hair);}
.matrix th{color:var(--text-tertiary);font-weight:600;}
.matrix td:first-child,.matrix th:first-child{text-align:left;}

/* 步骤条 */
.steps{display:flex;align-items:center;gap:0;padding:0 18px 16px;}
.steps .s{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;position:relative;}
.steps .s .n{
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  font-size:var(--size-mini);font-weight:700;
  background:rgba(255,255,255,.14);border:1px solid var(--stroke-soft);
  color:var(--text-secondary);z-index:2;
}
.steps .s.done .n{background:var(--accent);border-color:transparent;color:#06230F;}
.steps .s.cur .n{background:var(--brand);border-color:transparent;color:#fff;box-shadow:0 0 0 4px var(--brand-soft);}
.steps .s .l{font-size:var(--size-mini);color:var(--text-tertiary);text-align:center;}
.steps .s::before{
  content:"";position:absolute;top:13px;left:-50%;width:100%;height:1px;
  background:var(--stroke-hair);
}
.steps .s:first-child::before{display:none;}

/* 底部固定操作条 */
.actionbar{
  flex:0 0 auto;z-index:35;
  padding:12px 18px calc(14px + var(--safe-bottom));
  display:flex;align-items:center;gap:12px;
  background:rgba(10,13,18,.52);
  -webkit-backdrop-filter:blur(30px) saturate(180%);
  backdrop-filter:blur(30px) saturate(180%);
  border-top:1px solid var(--stroke-hair);
}
.actionbar .ab-info{flex:1;min-width:0;}
.actionbar .ab-info b{display:block;font-size:var(--size-sub);font-weight:700;}
.actionbar .ab-info span{display:block;font-size:var(--size-mini);color:var(--text-tertiary);margin-top:2px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.actionbar .btn{flex:0 0 auto;}

/* 悬浮按钮 */
.fab{
  position:absolute;right:18px;bottom:calc(20px + var(--safe-bottom));z-index:34;
  height:52px;padding:0 20px;border-radius:var(--radius-round);
  display:inline-flex;align-items:center;gap:7px;
  background:linear-gradient(180deg,var(--brand),var(--brand-dark));
  color:#fff;font-size:var(--size-sub);font-weight:700;
  box-shadow:0 10px 28px rgba(255,122,26,.42);
  transition:transform var(--dur-micro) var(--ease-micro);
}
.fab:active{transform:scale(.94);}

/* 切换开关（性能模式） */
.perf-toggle{
  position:absolute;right:12px;bottom:12px;z-index:5;
  font-size:var(--size-mini);color:var(--text-quaternary);
  padding:4px 9px;border-radius:var(--radius-round);
  background:rgba(10,13,18,.4);border:1px solid var(--stroke-hair);
}

/* 无障碍：动效减弱 */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;
  }
}

/* 桌面：居中手机模型；演示模式（?demo=1）才显示右侧导览栏 */
@media (min-width:1080px){
  body{display:grid;grid-template-columns:1fr;height:100vh;}
  body.demo-mode{grid-template-columns:1fr 420px;}
  #demo-side{display:none!important;}
  body.demo-mode #demo-side{display:flex!important;}
  .demo-wrap{
    position:relative;z-index:1;
    display:flex;flex-direction:row;align-items:center;justify-content:center;
    height:100vh;overflow:hidden;
  }
  /* 覆盖移动端的 flex:1 —— 桌面端用固定尺寸手机模型 */
  #app{
    flex:0 0 auto;
    width:390px;height:844px;max-height:100vh;
    border-radius:44px;overflow:hidden;
    box-shadow:0 0 0 10px #101018,0 0 0 12px #2A2A38,0 40px 90px rgba(0,0,0,.6);
  }
  .bg-scene{position:fixed;inset:0;}
}
@media (max-width:1079px){
  #demo-side{display:none!important;}
}

/* 演示侧栏 */
#demo-side{
  display:none;flex-direction:column;
  position:relative;z-index:1;
  background:linear-gradient(180deg,#0E1119,#0A0D12);
  border-left:1px solid rgba(255,255,255,.07);
  overflow:hidden;
}
.ds-hd{padding:20px 22px 16px;border-bottom:1px solid rgba(255,255,255,.07);}
.ds-hd .ds-logo{display:flex;align-items:center;gap:11px;margin-bottom:6px;}
.ds-hd .ds-logo .m{width:34px;height:34px;border-radius:10px;background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  display:grid;place-items:center;font-size:17px;}
.ds-hd b{font-size:15px;}
.ds-hd p{font-size:11.5px;color:#7A7A8C;line-height:1.5;}
.ds-bd{flex:1;min-height:0;overflow-y:auto;padding:14px 18px;}
.ds-bd::-webkit-scrollbar{width:4px;}
.ds-bd::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:2px;}
.ds-t{font-size:10.5px;font-weight:700;letter-spacing:1.6px;color:#5E5E70;margin:14px 0 8px;text-transform:uppercase;}
.ds-t:first-child{margin-top:0;}
.ds-nav{display:flex;flex-direction:column;gap:2px;}
.ds-nav button{
  display:flex;align-items:center;gap:9px;width:100%;text-align:left;
  padding:6px 10px;border-radius:9px;color:#A8A8B8;
  font-size:12.5px;transition:.15s;
}
.ds-nav button:hover{background:rgba(255,255,255,.06);color:#fff;}
.ds-nav button.on{background:rgba(255,122,26,.16);color:#FF9B4A;}
.ds-nav button i{
  width:19px;height:19px;border-radius:50%;flex:0 0 auto;
  display:grid;place-items:center;font-style:normal;font-size:10px;font-weight:700;
  border:1px solid rgba(255,255,255,.2);color:#8A8A9C;
}
.ds-nav button.on i{background:var(--brand);border-color:transparent;color:#fff;}
.ds-note{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);
  border-radius:10px;padding:12px 13px;font-size:12px;line-height:1.7;color:#B0B0C0;
  margin-bottom:10px;
}
.ds-note b{color:#fff;font-weight:600;}
.ds-note em{font-style:normal;color:var(--brand);}
.ds-list{display:flex;flex-direction:column;gap:7px;}
.ds-list div{font-size:12px;line-height:1.6;color:#A0A0B0;padding-left:13px;position:relative;}
.ds-list div::before{content:"";position:absolute;left:0;top:8px;width:4px;height:4px;border-radius:50%;background:var(--brand);}
.ds-say{
  background:rgba(255,122,26,.09);border:1px solid rgba(255,122,26,.24);
  border-radius:10px;padding:12px 13px;font-size:12px;line-height:1.7;color:#D8C4B0;
}
.ds-say em{font-style:normal;color:var(--brand);font-weight:600;}
.ds-ft{padding:14px 18px;border-top:1px solid rgba(255,255,255,.07);font-size:11px;color:#5E5E70;line-height:1.7;}