/* TradeStabile — stile lusso (smeraldo su navy-nero). Palette adattata da quantilebv (oro→smeraldo). */
:root{
  --bg:#070b10;            /* navy quasi nero */
  --bg-2:#0c131b;
  --panel:#0f1824;
  --panel-2:#101d2b;
  --border:#1b2a3a;
  --text:#e8eef4;
  --muted:#93a6b8;
  --emerald:#10b981;       /* accento lusso */
  --emerald-light:#34d8a0;
  --emerald-dark:#0b7a58;
  --gradient-emerald:linear-gradient(135deg,#10b981 0%,#0b7a58 100%);
  --gradient-hero:linear-gradient(170deg,#0a131c 0%,#070b10 55%,#09131a 100%);
  --gradient-card:linear-gradient(145deg,#0f1824 0%,#0b131c 100%);
  --shadow-emerald:0 4px 24px rgba(16,185,129,.12);
  --shadow-card:0 8px 32px rgba(0,0,0,.45);
  --shadow-luxury:0 20px 44px -12px rgba(0,0,0,.6);
}
*{box-sizing:border-box}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  line-height:1.6;min-height:100vh;background-image:var(--gradient-hero);background-attachment:fixed;
}
h1,h2,h3,.serif{font-family:'Playfair Display',Georgia,serif;font-weight:600;letter-spacing:.2px}
a{color:var(--emerald-light);text-decoration:none}
a:hover{color:var(--emerald)}
.container{max-width:1080px;margin:0 auto;padding:0 20px}

/* Topbar */
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--border)}
.brand{font-family:'Playfair Display',serif;font-size:1.4rem;color:var(--text)}
.brand b{color:var(--emerald)}
.nav-links a{margin-left:18px;color:var(--muted);font-size:.95rem}
.nav-links a:hover{color:var(--text)}

/* Bottoni */
.btn{display:inline-block;padding:12px 22px;border-radius:10px;border:1px solid transparent;
  font-weight:600;cursor:pointer;transition:.18s;font-size:.98rem}
.btn-primary{background:var(--gradient-emerald);color:#04110c;box-shadow:var(--shadow-emerald)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);color:#04110c}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--emerald);color:var(--emerald)}

/* Hero */
.hero{padding:88px 0 64px;text-align:center}
.hero .eyebrow{color:var(--emerald);text-transform:uppercase;letter-spacing:3px;font-size:.78rem;font-weight:600}
.hero h1{font-size:clamp(2.1rem,5vw,3.4rem);margin:16px 0 10px;line-height:1.1}
.hero p{color:var(--muted);max-width:620px;margin:0 auto 28px;font-size:1.08rem}
.hero .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Card */
.card{background:var(--gradient-card);border:1px solid var(--border);border-radius:16px;
  padding:28px;box-shadow:var(--shadow-card)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:34px}
.feature h3{margin:0 0 6px;font-size:1.12rem}
.feature p{color:var(--muted);margin:0;font-size:.95rem}
.feature .ico{width:40px;height:40px;border-radius:10px;background:rgba(16,185,129,.12);
  display:flex;align-items:center;justify-content:center;color:var(--emerald);font-size:1.2rem;margin-bottom:12px}

/* Form / auth */
.auth-wrap{max-width:440px;margin:56px auto;padding:0 20px}
.auth-card{background:var(--gradient-card);border:1px solid var(--border);border-radius:18px;
  padding:34px;box-shadow:var(--shadow-luxury)}
.auth-card h1{font-size:1.7rem;margin:0 0 4px}
.auth-card .sub{color:var(--muted);margin:0 0 22px;font-size:.95rem}
label{display:block;color:var(--muted);font-size:.85rem;margin:14px 0 6px}
input,select{width:100%;padding:12px 14px;border-radius:10px;background:var(--bg-2);
  border:1px solid var(--border);color:var(--text);font-size:.98rem}
input:focus,select:focus{outline:none;border-color:var(--emerald);box-shadow:0 0 0 3px rgba(16,185,129,.15)}
.helptext,.errorlist{font-size:.8rem;color:var(--muted);list-style:none;padding:0;margin:6px 0 0}
.errorlist{color:#f87171}
.form-actions{margin-top:22px}
.center{text-align:center;margin-top:16px;color:var(--muted);font-size:.9rem}

/* Dashboard */
.dash-head{display:flex;justify-content:space-between;align-items:center;margin:34px 0 22px}
.badge{display:inline-block;padding:4px 12px;border-radius:999px;background:rgba(16,185,129,.12);
  color:var(--emerald);font-size:.78rem;font-weight:600}
.stat{font-family:'Playfair Display',serif;font-size:2rem;color:var(--text)}
.muted{color:var(--muted)}
footer{border-top:1px solid var(--border);margin-top:64px;padding:26px 0;color:var(--muted);font-size:.85rem;text-align:center}
.messages{list-style:none;padding:0;margin:16px 0}
.messages li{padding:10px 14px;border-radius:10px;background:rgba(16,185,129,.1);color:var(--emerald-light);margin-bottom:8px}