:root{
  --bg:#08111f;
  --bg2:#101b31;
  --panel:rgba(255,255,255,.08);
  --panel-strong:rgba(255,255,255,.12);
  --line:rgba(255,255,255,.10);
  --text:#eef4ff;
  --muted:#a6b7d9;
  --accent:#6ea8ff;
  --accent2:#7cf1d6;
  --danger:#ff6b7a;
  --ok:#5de3a6;
  --warn:#ffcf61;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --radius:24px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:
radial-gradient(1200px 700px at 20% -10%, rgba(84,139,255,.22), transparent 50%),
radial-gradient(1000px 600px at 90% 10%, rgba(124,241,214,.14), transparent 45%),
linear-gradient(180deg,var(--bg),#060c16 70%);
color:var(--text);min-height:100%}
body{overflow-x:hidden}
a{color:inherit}
button,input,textarea,select{font:inherit}
#ipu-app-root{min-height:100vh}
.ipu-hidden{display:none!important}
.ipu-shell{min-height:100vh;padding-bottom:88px}
.ipu-splash{
  position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:
  radial-gradient(500px 340px at 50% 30%, rgba(110,168,255,.25), transparent 60%),
  linear-gradient(180deg,#07111f,#050914);
  z-index:50;transition:opacity .45s ease, visibility .45s ease;
}
.ipu-splash.hide{opacity:0;visibility:hidden}
.ipu-splash-card{
  width:min(92vw,420px);padding:32px 26px;border-radius:32px;
  background:linear-gradient(180deg,rgba(255,255,255,.12),rgba(255,255,255,.06));
  border:1px solid rgba(255,255,255,.12);box-shadow:var(--shadow);backdrop-filter:blur(18px);
  text-align:center;transform:translateY(0);animation:ipu-float 3.2s ease-in-out infinite;
}
.ipu-logo{
  width:74px;height:74px;border-radius:24px;margin:0 auto 18px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(110,168,255,.95),rgba(124,241,214,.75));
  color:#06101f;font-weight:900;font-size:28px;box-shadow:0 12px 30px rgba(110,168,255,.35)
}
.ipu-title{font-size:28px;font-weight:800;letter-spacing:.2px}
.ipu-sub{color:var(--muted);margin-top:10px;line-height:1.5}
.ipu-loader{margin:18px auto 0;width:120px;height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.ipu-loader::after{content:"";display:block;height:100%;width:38%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent2));animation:ipu-load 1.2s infinite ease-in-out}
@keyframes ipu-load{0%{transform:translateX(-120%)}100%{transform:translateX(320%)}}
@keyframes ipu-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

.ipu-auth{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:28px 16px;
}
.ipu-auth-wrap{width:min(100%,1020px);display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
.ipu-hero,.ipu-login{
  border:1px solid var(--line);border-radius:32px;background:linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.05));
  box-shadow:var(--shadow);backdrop-filter:blur(18px)
}
.ipu-hero{padding:32px 28px;position:relative;overflow:hidden}
.ipu-hero::before{
  content:"";position:absolute;inset:auto -80px -140px auto;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle, rgba(110,168,255,.45), transparent 65%);filter:blur(8px)
}
.ipu-pill{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.08);color:#d7e5ff;font-size:13px}
.ipu-hero h1{margin:18px 0 14px;font-size:36px;line-height:1.1}
.ipu-hero p{color:var(--muted);max-width:620px;font-size:15px;line-height:1.65}
.ipu-feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:28px}
.ipu-feature{
  padding:16px;border-radius:22px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.08)
}
.ipu-feature b{display:block;font-size:15px;margin-bottom:8px}
.ipu-feature span{color:var(--muted);font-size:13px;line-height:1.5}
.ipu-login{padding:28px}
.ipu-login h2{margin:0 0 8px;font-size:28px}
.ipu-login p{color:var(--muted);margin:0 0 24px}
.ipu-field{margin-bottom:14px}
.ipu-field label{display:block;font-size:13px;color:#cfe0ff;margin-bottom:8px}
.ipu-input,.ipu-textarea,.ipu-select{
  width:100%;border:none;outline:none;padding:16px 16px;border-radius:18px;color:var(--text);
  background:rgba(255,255,255,.08);border:1px solid transparent;transition:.2s ease
}
.ipu-input:focus,.ipu-textarea:focus,.ipu-select:focus{border-color:rgba(110,168,255,.7);box-shadow:0 0 0 4px rgba(110,168,255,.12)}
.ipu-textarea{min-height:140px;resize:vertical}
.ipu-btn{
  appearance:none;border:none;cursor:pointer;padding:14px 18px;border-radius:18px;
  font-weight:700;letter-spacing:.2px;transition:transform .14s ease, box-shadow .2s ease, opacity .2s ease
}
.ipu-btn:active{transform:translateY(1px) scale(.995)}
.ipu-btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#07111e;box-shadow:0 10px 22px rgba(110,168,255,.26)}
.ipu-btn-ghost{background:rgba(255,255,255,.08);color:var(--text);border:1px solid var(--line)}
.ipu-btn-danger{background:linear-gradient(135deg,#ff8f9b,var(--danger));color:#27080d}
.ipu-btn-row{display:flex;gap:12px;flex-wrap:wrap}
.ipu-auth-foot{margin-top:14px;color:var(--muted);font-size:13px}

.ipu-top{
  position:sticky;top:0;z-index:9;padding:14px 14px 8px;
  background:linear-gradient(180deg,rgba(5,9,20,.95),rgba(5,9,20,.82),rgba(5,9,20,0));
  backdrop-filter:blur(10px)
}
.ipu-top-bar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.07);padding:14px 16px;border-radius:24px;box-shadow:var(--shadow)
}
.ipu-app-name{font-weight:800}
.ipu-mini{font-size:12px;color:var(--muted)}
.ipu-avatar{
  width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(110,168,255,.86),rgba(124,241,214,.7));color:#05101d;font-weight:900
}

.ipu-main{padding:10px 14px 18px;max-width:1080px;margin:0 auto}
.ipu-tab{display:none;animation:ipu-tab-in .32s ease}
.ipu-tab.active{display:block}
@keyframes ipu-tab-in{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

.ipu-hero-card{
  padding:22px;border-radius:28px;border:1px solid var(--line);
  background:
   radial-gradient(220px 130px at 85% 15%, rgba(124,241,214,.18), transparent 60%),
   linear-gradient(135deg, rgba(110,168,255,.18), rgba(255,255,255,.05));
  box-shadow:var(--shadow);overflow:hidden;position:relative
}
.ipu-hero-card h3{margin:8px 0 8px;font-size:24px}
.ipu-hero-card p{margin:0;color:var(--muted);max-width:700px;line-height:1.6}
.ipu-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:16px}
.ipu-stat{
  padding:16px;border-radius:22px;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.05)
}
.ipu-stat b{display:block;font-size:24px}
.ipu-stat span{display:block;color:var(--muted);font-size:12px;margin-top:6px}
.ipu-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:14px;margin-top:14px}
.ipu-card{
  border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.04));
  border-radius:26px;padding:18px;box-shadow:var(--shadow)
}
.ipu-card h4{margin:0 0 14px;font-size:18px}
.ipu-list{display:grid;gap:10px}
.ipu-list-item{
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:14px;border-radius:18px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.06)
}
.ipu-list-item b{display:block;margin-bottom:4px}
.ipu-list-item span{color:var(--muted);font-size:13px}
.ipu-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 10px;border-radius:999px;font-size:12px;font-weight:700}
.ipu-badge.ok{background:rgba(93,227,166,.16);color:#93f3c4}
.ipu-badge.warn{background:rgba(255,207,97,.16);color:#ffe08e}
.ipu-badge.danger{background:rgba(255,107,122,.16);color:#ffb7c0}
.ipu-badge.info{background:rgba(110,168,255,.16);color:#b2ceff}

.ipu-news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.ipu-news-card{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:24px;background:rgba(255,255,255,.05);
  box-shadow:var(--shadow);cursor:pointer;transition:transform .18s ease,border-color .18s ease, background .18s ease
}
.ipu-news-card:hover{transform:translateY(-4px);border-color:rgba(110,168,255,.42);background:rgba(255,255,255,.08)}
.ipu-news-thumb{width:100%;height:200px;display:block;object-fit:cover;background:rgba(255,255,255,.04)}
.ipu-news-body{padding:16px}
.ipu-news-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:12px;margin-bottom:8px}
.ipu-news-card h3{margin:0 0 10px;font-size:18px;line-height:1.35}
.ipu-news-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}
.ipu-empty{padding:28px;text-align:center;border-radius:24px;border:1px dashed rgba(255,255,255,.16);color:var(--muted);background:rgba(255,255,255,.03)}
.ipu-search{margin-top:14px;margin-bottom:14px}

.ipu-actions-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.ipu-quick{
  padding:18px;border-radius:24px;border:1px solid var(--line);background:rgba(255,255,255,.06);box-shadow:var(--shadow)
}
.ipu-quick h5{margin:10px 0 8px;font-size:18px}
.ipu-quick p{color:var(--muted);font-size:13px;line-height:1.55;margin:0 0 16px}
.ipu-quick .emoji{font-size:28px}
.ipu-accordion{margin-top:16px;display:grid;gap:12px}
.ipu-pane{
  border:1px solid var(--line);border-radius:24px;overflow:hidden;background:rgba(255,255,255,.05);box-shadow:var(--shadow)
}
.ipu-pane-head{
  width:100%;background:none;border:none;color:var(--text);display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:18px 18px;cursor:pointer;font-weight:800;font-size:16px
}
.ipu-pane-body{display:none;padding:0 18px 18px}
.ipu-pane.open .ipu-pane-body{display:block;animation:ipu-drop .24s ease}
@keyframes ipu-drop{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.ipu-pane-note{color:var(--muted);font-size:13px;line-height:1.6;margin-bottom:14px}
.ipu-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.ipu-form-grid .full{grid-column:1/-1}
.ipu-file{padding:12px;border-radius:18px;background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.18)}
.ipu-hint{color:var(--muted);font-size:12px;margin-top:6px}
.ipu-check{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border-radius:18px;background:rgba(255,255,255,.05)}
.ipu-check input{margin-top:3px}
.ipu-sig-wrap{padding:14px;border-radius:20px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08)}
#ipu-signature{
  width:100%;height:170px;border-radius:18px;background:#fff;touch-action:none;display:block
}
.ipu-inline-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}

.ipu-account-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ipu-kv{display:grid;gap:10px}
.ipu-kv .row{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.ipu-kv .row span:first-child{color:var(--muted)}

.ipu-modal{
  position:fixed;inset:0;background:rgba(3,7,14,.72);backdrop-filter:blur(6px);
  display:none;align-items:flex-end;justify-content:center;z-index:40;padding:12px
}
.ipu-modal.open{display:flex;animation:ipu-fade .2s ease}
@keyframes ipu-fade{from{opacity:0}to{opacity:1}}
.ipu-sheet{
  width:min(100%,920px);max-height:88vh;overflow:auto;border-radius:28px 28px 22px 22px;
  background:linear-gradient(180deg,#0d172b,#0a1221);border:1px solid var(--line);box-shadow:var(--shadow);padding:18px
}
.ipu-sheet-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:12px}
.ipu-close{width:42px;height:42px;border-radius:14px;border:none;background:rgba(255,255,255,.08);color:#fff;cursor:pointer}
.ipu-article-cover{width:100%;height:280px;object-fit:cover;border-radius:20px;margin-bottom:14px;background:rgba(255,255,255,.05)}
.ipu-article-content{color:#e6eefc;line-height:1.75}
.ipu-article-content p,.ipu-article-content li{color:#dbe7ff}
.ipu-article-content img{max-width:100%;height:auto;border-radius:16px}
.ipu-article-content iframe{max-width:100%}

.ipu-bottom{
  position:fixed;left:12px;right:12px;bottom:12px;z-index:12;max-width:1080px;margin:0 auto;
}
.ipu-bottom-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:10px;border-radius:24px;
  background:rgba(10,18,33,.88);border:1px solid var(--line);backdrop-filter:blur(20px);box-shadow:var(--shadow)
}
.ipu-tab-btn{
  border:none;background:none;color:var(--muted);padding:12px;border-radius:18px;cursor:pointer;font-weight:700;
  display:flex;flex-direction:column;align-items:center;gap:6px;font-size:12px;transition:.18s ease
}
.ipu-tab-btn.active{color:#08111f;background:linear-gradient(135deg,var(--accent),var(--accent2))}
.ipu-tab-btn .i{font-size:18px}

.ipu-toast{
  position:fixed;left:50%;bottom:96px;transform:translateX(-50%) translateY(14px);
  background:rgba(10,18,33,.96);color:#fff;padding:12px 16px;border-radius:16px;border:1px solid var(--line);
  box-shadow:var(--shadow);opacity:0;pointer-events:none;z-index:60;transition:.24s ease
}
.ipu-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

.ipu-skeleton{position:relative;overflow:hidden;background:rgba(255,255,255,.05)}
.ipu-skeleton::after{
  content:"";position:absolute;inset:0;transform:translateX(-100%);
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.10),transparent);animation:ipu-shimmer 1.1s infinite
}
@keyframes ipu-shimmer{100%{transform:translateX(100%)}}

@media (max-width:900px){
  .ipu-auth-wrap,.ipu-grid,.ipu-account-grid{grid-template-columns:1fr}
  .ipu-actions-grid,.ipu-news-grid{grid-template-columns:1fr 1fr}
  .ipu-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .ipu-auth-wrap,.ipu-feature-grid,.ipu-form-grid,.ipu-actions-grid,.ipu-news-grid{grid-template-columns:1fr}
  .ipu-hero h1{font-size:30px}
  .ipu-login{padding:22px}
  .ipu-sheet{padding:16px}
  .ipu-top{padding:12px 12px 6px}
  .ipu-main{padding:8px 12px 18px}
  .ipu-article-cover{height:210px}
}