:root{
  --bg:#0f1116;
  --panel:#171a21;
  --panel-2:#1d212a;
  --border:#2a2f3a;
  --text:#eef0f6;
  --muted:#9198a8;
  --faint:#5d6474;
  --accent:#3a4ff0;
  --accent-hover:#4c60f5;
  --on-accent:#ffffff;
  --hi:#f5e31c;
  --grey:#d9d9d9;
  --danger:#ff6b6b;
}
*{ box-sizing:border-box; }
html,body{
  margin:0;
  min-height:100%;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
a{ color:inherit; }
.brand{
  font-size:13px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--grey);
  margin:0;
  white-space:nowrap;
  font-weight:700;
}
.brand span{ color:var(--hi); }

/* ---------- login ---------- */
.login-page{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px 16px;
}
.login-card{
  width:100%;
  max-width:380px;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:16px;
  padding:28px 24px;
}
.login-card .brand{ margin-bottom:22px; }
.login-card h2{ font-size:22px; margin:0 0 6px; }
.login-card p.sub{ color:var(--muted); font-size:14px; margin:0 0 22px; }
.field{ display:block; margin-bottom:14px; }
.field span{ display:block; font-size:12px; color:var(--muted); margin-bottom:6px; letter-spacing:.04em; }
.field input{
  width:100%;
  background:var(--panel-2);
  border:1px solid var(--border);
  border-radius:10px;
  color:var(--text);
  font-size:15px;
  padding:11px 12px;
}
.field input:focus{ outline:2px solid var(--accent); outline-offset:1px; border-color:transparent; }
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:var(--accent);
  color:var(--on-accent);
  border:none;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  padding:11px 22px;
  cursor:pointer;
  text-decoration:none;
}
.btn:hover{ background:var(--accent-hover); }
.btn.block{ width:100%; margin-top:6px; }
.btn.ghost{ background:none; color:var(--muted); border:1px solid var(--border); padding:7px 14px; font-size:11px; }
.btn.ghost:hover{ color:var(--text); border-color:var(--faint); }
.error{
  background:rgba(255,107,107,.1);
  border:1px solid rgba(255,107,107,.35);
  color:var(--danger);
  border-radius:10px;
  padding:10px 12px;
  font-size:13px;
  margin-bottom:16px;
}

/* ---------- app shell ---------- */
.app{ display:flex; flex-direction:column; min-height:100vh; }
.topbar{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  padding:14px 16px;
  border-bottom:1px solid var(--border);
}
.grow{ flex:1; }
.tabs{ display:flex; gap:4px; background:var(--panel); border:1px solid var(--border); border-radius:999px; padding:3px; }
.tab{
  background:none;
  border:none;
  color:var(--muted);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  padding:7px 18px;
  border-radius:999px;
  cursor:pointer;
  text-decoration:none;
}
.tab:hover{ color:var(--text); }
.tab.active{ background:var(--accent); color:var(--on-accent); }
.who{ font-size:12px; color:var(--faint); }

.panel{ display:none; flex:1; }
.panel.active{ display:flex; flex-direction:column; }

.home{ max-width:1000px; width:100%; margin:0 auto; padding:48px 16px 70px; }
.home h2{ font-size:clamp(28px,5vw,44px); margin:0 0 10px; letter-spacing:-.01em; }
.home h2 span{ color:var(--hi); }
.home p.lead{ color:var(--muted); font-size:16px; margin:0 0 36px; max-width:560px; line-height:1.5; }
.grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:16px; }
.tool-card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:16px;
  overflow:hidden;
  text-decoration:none;
  display:flex;
  flex-direction:column;
  transition:border-color .15s, transform .15s;
}
.tool-card:hover{ border-color:var(--accent); transform:translateY(-2px); }
.tool-card .thumb{
  aspect-ratio:16/9;
  background:
    radial-gradient(at 20% 30%, #3a4ff0 0, transparent 55%),
    radial-gradient(at 80% 20%, #f5e31c 0, transparent 45%),
    radial-gradient(at 60% 85%, #c13af0 0, transparent 55%),
    #12141b;
}
.tool-card .thumb.review{
  background:
    linear-gradient(135deg, transparent 0 46%, rgba(245,227,28,.9) 46% 54%, transparent 54%),
    radial-gradient(at 75% 70%, #3a4ff0 0, transparent 60%),
    #12141b;
}
.tool-card .ext{ color:var(--muted); font-weight:400; font-size:14px; }
.tool-card .body{ padding:16px 18px 18px; }
.tool-card h3{ margin:0 0 6px; font-size:17px; }
.tool-card p{ margin:0; font-size:13px; color:var(--muted); line-height:1.45; }
.tool-card.soon{ opacity:.5; pointer-events:none; }
.tool-card.soon .thumb{ background:var(--panel-2); }

.tool-frame{ flex:1; width:100%; border:0; display:block; min-height:calc(100vh - 62px); background:var(--bg); }

@media (max-width:560px){
  .who{ display:none; }
}