/* TradeLens Phase 4 - Public styles (same baseline as Phase 3) */
:root{--bg:#0b1220;--panel:#111b2e;--panel2:#0f172a;--text:#e5e7eb;--muted:#93a4b7;--accent:#3b82f6;--ok:#22c55e;--bad:#ef4444;--border:rgba(255,255,255,.08);--shadow:0 12px 32px rgba(0,0,0,.35)}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;background:radial-gradient(1200px 800px at 20% 10%, #132344 0%, var(--bg) 55%);color:var(--text)}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1160px;margin:0 auto;padding:0 20px}
.nav{position:sticky;top:0;z-index:50;background:rgba(11,18,32,.78);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand-badge{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#2563eb,#60a5fa);display:grid;place-items:center;box-shadow:var(--shadow)}
.brand-badge svg{width:18px;height:18px}
.nav-links{display:flex;align-items:center;gap:16px;color:var(--muted);font-size:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid var(--border);background:rgba(255,255,255,.04);color:var(--text);padding:12px 16px;border-radius:12px;cursor:pointer}
.btn:hover{background:rgba(255,255,255,.07)}
.btn.primary{background:linear-gradient(135deg,#2563eb,#60a5fa);border-color:transparent}
.btn.primary:hover{filter:brightness(1.05)}
.hero{padding:60px 0 30px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:10px;color:#9cc2ff;border:1px solid rgba(59,130,246,.35);background:rgba(59,130,246,.10);padding:8px 12px;border-radius:999px;font-size:13px}
h1{font-size:56px;line-height:1.02;margin:18px 0 14px}
.sub{color:var(--muted);max-width:56ch;line-height:1.6}
.card{background:rgba(17,27,46,.75);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow)}
.hero-card{padding:18px}
.hero-card img{width:100%;border-radius:14px;display:block}
.row{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px}
.pills{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-top:12px}
.pills span{display:flex;align-items:center;gap:8px}
.pills i{display:inline-block;width:8px;height:8px;border-radius:99px;background:var(--ok)}
.section{padding:36px 0}
.section h2{font-size:30px;margin:0 0 10px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.fcard{padding:16px}
.fcard h3{margin:6px 0 6px;font-size:15px}
.fcard p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}
.footer{padding:26px 0;color:var(--muted);border-top:1px solid var(--border);margin-top:40px;font-size:13px}
.auth-wrap{min-height:calc(100vh - 72px);display:grid;place-items:center;padding:30px 0}
.auth{display:grid;grid-template-columns:1fr 1.1fr;gap:18px;max-width:980px;width:100%}
.auth-left{padding:22px}
.auth-left h2{margin:0 0 8px}
.auth-left ul{margin:16px 0 0;padding-left:18px;color:var(--muted);line-height:1.7}
.form{padding:22px}
.form h2{margin:0 0 6px}
label{display:block;color:var(--muted);font-size:12px;margin:14px 0 6px}
input,select,textarea{width:100%;padding:12px 12px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--border);color:var(--text);outline:none}
textarea{min-height:110px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:rgba(59,130,246,.6)}
.small{color:var(--muted);font-size:12px;margin-top:12px}
.alert{padding:12px 14px;border-radius:12px;border:1px solid var(--border);margin:12px 0}
.alert.ok{background:rgba(34,197,94,.12);border-color:rgba(34,197,94,.35)}
.alert.bad{background:rgba(239,68,68,.10);border-color:rgba(239,68,68,.35)}
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr}
  h1{font-size:44px}
  .grid4{grid-template-columns:1fr 1fr}
  .auth{grid-template-columns:1fr}
}