*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{
  --bg:#080808; --surface:#111111; --surface2:#181818;
  --amber:#E8A020; --amber-dim:#b07a14;
  --text:#f0ece4; --muted:#888070;
  --border:rgba(232,160,32,0.15); --radius:4px;
  --danger:#d9534f;
}
body{
  background:var(--bg); color:var(--text);
  font-family:'DM Sans',sans-serif; font-weight:300; line-height:1.6;
  min-height:100vh; overflow-x:hidden;
}

/* topbar */
.topbar{
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:1.1rem 2rem;
  border-bottom:1px solid rgba(255,255,255,0.04);
  background:rgba(8,8,8,0.85); backdrop-filter:blur(12px);
}
.logo{
  font-family:'Syne',sans-serif; font-weight:800; font-size:1.15rem;
  letter-spacing:-0.02em; color:var(--text); text-decoration:none;
  display:flex; align-items:center; gap:.6rem;
}
.logo span{color:var(--amber);}
.logo-mark{font-size:1.3rem;}
.topbar-right{display:flex; align-items:center; gap:1.2rem;}
.logout{
  font-size:0.78rem; font-weight:400; letter-spacing:0.06em;
  text-transform:uppercase; color:var(--muted);
  text-decoration:none; transition:color .2s; cursor:pointer;
  background:none; border:none; font-family:inherit;
}
.logout:hover{color:var(--text);}

/* glow */
.glow{
  position:fixed; top:10%; right:-10%; width:600px; height:600px;
  background:radial-gradient(circle,rgba(232,160,32,0.06) 0%,transparent 70%);
  pointer-events:none; z-index:0;
}

/* buttons */
.btn-primary{
  background:var(--amber); color:#000;
  font-family:'DM Sans',sans-serif;
  font-size:0.82rem; font-weight:500; letter-spacing:0.08em;
  text-transform:uppercase; padding:0.9rem 2rem;
  border:none; outline:none; box-shadow:none;
  cursor:pointer; text-decoration:none;
  border-radius:var(--radius); transition:opacity .2s;
  display:inline-block;
}
.btn-primary:hover{opacity:.85;}
.btn-primary:focus{outline:none; box-shadow:none;}
.btn-primary:disabled{opacity:.35; cursor:not-allowed;}
.btn-ghost{
  font-size:0.82rem; font-weight:400; color:var(--muted);
  letter-spacing:0.06em; text-decoration:none; cursor:pointer;
  display:inline-flex; align-items:center; gap:0.5rem;
  transition:color .2s; background:none; border:none; font-family:inherit;
}
.btn-ghost:hover{color:var(--text);}
.label{
  font-size:0.72rem; font-weight:500; letter-spacing:0.14em;
  text-transform:uppercase; color:var(--amber);
  display:flex; align-items:center; gap:0.6rem; margin-bottom:1.2rem;
}
.label::before{content:'';display:block;width:24px;height:1px;background:var(--amber);}

/* page wrapper */
.page-wrap{position:relative; z-index:1;}

/* inner */
.inner{max-width:1080px; margin:0 auto; padding:7rem 2rem 4rem;}
.page-head{margin-bottom:3rem;}
.page-head h2{
  font-family:'Syne',sans-serif; font-size:clamp(1.8rem,4vw,2.6rem);
  font-weight:800; letter-spacing:-0.02em; line-height:1.05;
}
.page-head h2 em{font-style:normal; color:var(--amber);}
.page-head p{color:var(--muted); margin-top:0.8rem; max-width:520px;}
.crumb{margin-bottom:1.5rem;}

/* login */
#login-wrap{
  min-height:100vh; display:flex; align-items:center; justify-content:center;
  padding:2rem; position:relative; z-index:1;
}
.login-card{
  width:100%; max-width:380px;
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius); padding:3rem 2.5rem; text-align:center;
}
.login-mark{font-size:2.4rem; margin-bottom:1rem;}
.login-card h1{
  font-family:'Syne',sans-serif; font-size:1.6rem; font-weight:800;
  letter-spacing:-0.02em; margin-bottom:0.5rem;
}
.login-card h1 em{font-style:normal; color:var(--amber);}
.login-card .sub{font-size:0.88rem; color:var(--muted); margin-bottom:2.2rem;}
.field{margin-bottom:1.2rem; text-align:left;}
.field input{
  width:100%; background:var(--bg); color:var(--text);
  border:1px solid var(--border); border-radius:var(--radius);
  padding:0.85rem 1rem; font-family:'DM Sans',sans-serif; font-size:0.95rem;
  transition:border-color .2s;
}
.field input:focus{outline:none; border-color:var(--amber);}
.login-card .btn-primary{width:100%; margin-top:0.4rem;}
.hint{font-size:0.74rem; color:var(--muted); margin-top:1.4rem; letter-spacing:0.04em;}
.err{
  display:block; font-size:0.8rem; color:var(--danger);
  background:rgba(217,83,79,0.08); border:1px solid rgba(217,83,79,0.25);
  border-radius:var(--radius); padding:0.6rem; margin-bottom:1rem;
}

/* hub tools grid */
.tools-grid{
  display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:1px; background:var(--border);
  border:1px solid var(--border); border-radius:var(--radius); overflow:hidden;
}
.tool-card{
  background:var(--bg); padding:2.2rem 1.8rem; cursor:pointer;
  transition:background .25s; position:relative; overflow:hidden;
  text-decoration:none; display:block; color:inherit;
}
.tool-card:hover{background:var(--surface);}
.tool-card::after{
  content:''; position:absolute; bottom:0; left:0; right:0; height:2px;
  background:var(--amber); transform:scaleX(0); transform-origin:left;
  transition:transform .3s;
}
.tool-card:hover::after{transform:scaleX(1);}
.tool-num{
  font-family:'Syne',sans-serif; font-size:0.66rem; font-weight:600;
  letter-spacing:0.1em; color:var(--amber); margin-bottom:1.6rem;
}
.tool-icon{font-size:1.8rem; margin-bottom:1rem;}
.tool-name{font-family:'Syne',sans-serif; font-size:1.12rem; font-weight:600; margin-bottom:0.7rem;}
.tool-desc{font-size:0.86rem; color:var(--muted); line-height:1.6;}
.tool-card.soon{cursor:default; opacity:0.45; pointer-events:none;}
.soon-tag{
  display:inline-block; font-size:0.62rem; letter-spacing:0.1em;
  text-transform:uppercase; color:var(--muted);
  border:1px solid var(--border); border-radius:var(--radius);
  padding:0.15rem 0.5rem; margin-top:0.8rem;
}

/* upload card */
.upload-card{
  max-width:560px;
  padding:1.8rem;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:8px;
}
.dropzone{
  display:block; width:100%; box-sizing:border-box; position:relative;
  border:2px dashed rgba(232,160,32,0.25); border-radius:6px;
  padding:3.5rem 2rem 3rem; text-align:center; cursor:pointer;
  transition:border-color .2s, background .2s;
  background:var(--bg);
}
.dropzone:hover{
  border-color:rgba(232,160,32,0.55);
  background:var(--surface2);
}
.dropzone.has-file{
  border-style:solid; border-color:var(--amber);
  background:rgba(232,160,32,0.04);
}
.dz-icon{
  font-size:2.4rem; line-height:1; margin-bottom:1.2rem;
  color:var(--amber); opacity:.7; display:block;
}
.dz-main{font-size:1rem; margin-bottom:0.4rem; color:var(--text);}
.dz-sub{font-size:0.76rem; color:var(--muted); letter-spacing:0.04em;}
.dz-file{color:var(--amber); font-weight:500;}
.upload-actions{
  display:flex; gap:1rem; align-items:center;
  margin-top:1.5rem;
}
.processing{
  display:none; align-items:center; gap:0.8rem;
  margin-top:1.2rem; color:var(--muted); font-size:0.88rem;
}
.processing.show{display:flex;}
.spinner{
  width:16px; height:16px; flex-shrink:0;
  border:2px solid rgba(232,160,32,0.2);
  border-top-color:var(--amber); border-radius:50%;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}
.upload-err{
  margin-bottom:1.2rem; font-size:0.82rem; color:var(--danger);
  background:rgba(217,83,79,0.08); border:1px solid rgba(217,83,79,0.2);
  border-radius:var(--radius); padding:0.75rem 1rem;
}

/* result card */
.result-card{
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius); padding:3rem 2.5rem; max-width:560px; text-align:center;
}
.result-check{
  width:56px; height:56px; margin:0 auto 1.4rem;
  border-radius:50%; background:rgba(232,160,32,0.1);
  border:1px solid var(--amber); color:var(--amber);
  display:flex; align-items:center; justify-content:center; font-size:1.6rem;
}
.result-card h2{font-family:'Syne',sans-serif; font-size:1.8rem; font-weight:800; margin-bottom:0.6rem;}
.result-card .sub{color:var(--muted); font-size:0.9rem; margin-bottom:2rem;}
.result-actions{display:flex; flex-direction:column; gap:1rem; align-items:center;}
.ttl{font-size:0.74rem; color:var(--muted); margin-top:1.4rem; letter-spacing:0.03em;}

/* mobile */
@media(max-width:640px){
  .topbar{padding:1rem 1.2rem;}
  .inner{padding:6rem 1.2rem 3rem;}
  .tools-grid{grid-template-columns:1fr;}
  .upload-card,.result-card{padding:2rem 1.4rem;}
}