:root{
  --bg:#0f0f23; --panel:#1a1a2e; --accent:#f0ad4e; --muted:#a1a1a9; --danger:#f6465d;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,Segoe UI,Arial;background:var(--bg);color:#e4e4e7}
.header{background:linear-gradient(90deg,#fff,#eef4ff);padding:18px 28px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e6eefb}
.brand{display:flex;gap:12px;align-items:center}
.logo{width:44px;height:44px;border-radius:8px;background:var(--accent);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800}
.nav{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.container{max-width:1180px;margin:26px auto;padding:0 20px}
.grid{display:grid;grid-template-columns:1fr 360px;gap:18px}
.card{background:var(--panel);border-radius:12px;box-shadow:0 6px 20px rgba(15,30,80,0.05);padding:16px}
.kv{display:flex;justify-content:space-between;align-items:center;gap:12px}
.cta{background:var(--accent);color:#fff;padding:10px 16px;border-radius:8px;border:none;cursor:pointer;font-weight:600;font-size:13px;transition:all 0.2s}
.cta:hover{background:#1556e8}
.cta-admin{background:#f59e0b}
.cta-admin:hover{background:#d97706}
.small{font-size:13px;color:var(--muted)}
.section-title{font-weight:700;font-size:18px;margin-bottom:10px}
.controls{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}
.badge-sim{background:#fff3cd;color:#7a5a00;padding:6px 10px;border-radius:8px;font-weight:700;border:1px solid #ffeeba}
.footer{margin-top:28px;text-align:center;color:var(--muted);font-size:13px}

/* Login Page */
.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}
.login-card{background:white;padding:40px;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,0.3);max-width:400px;width:100%}
.login-logo{width:60px;height:60px;background:var(--accent);border-radius:12px;display:flex;align-items:center;justify-content:center;color:white;font-weight:800;font-size:24px;margin:0 auto 20px}
.login-card h2{margin:10px 0 5px;text-align:center;color:#0b1220}
.login-card .form-group{margin-bottom:16px}
.login-card label{display:block;margin-bottom:6px;font-weight:600;color:#0b1220;font-size:13px}
.login-card .input{width:100%;padding:12px;border:1px solid #e5e7eb;border-radius:8px;background:white;color:#0b1220;font-size:14px}
.login-card .input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(30,111,255,0.1)}
.login-card .cta-full{width:100%;margin-top:20px}
.login-footer{margin-top:30px;padding-top:20px;border-top:1px solid #e5e7eb;text-align:center}
.login-footer p{margin:6px 0;font-size:12px}

/* Back Link */
.back-link{margin-bottom:20px}
.back-link a{color:var(--accent);text-decoration:none;font-size:13px;font-weight:600}
.back-link a:hover{text-decoration:underline}

/* Info Box */
.info-box{background:#f0f4ff;border:1px solid #d4e0ff;border-radius:8px;padding:12px 15px;color:#003399;font-size:14px;margin-bottom:15px}
.info-box strong{color:#003399}

/* Warning Box */
.warning-box{background:#fef3f2;border:1px solid #fee2e2;border-radius:8px;padding:12px 15px;color:var(--danger);font-size:13px;margin-bottom:15px}

/* Address Box */
.address-box{margin:20px 0}
.address-box label{display:block;margin-bottom:8px;font-weight:600;color:#0b1220}

/* Form Groups */
.form-group{margin-bottom:16px}
.form-group label{display:block;margin-bottom:8px;font-weight:600;color:#0b1220;font-size:13px}
.form-group input,.form-group select{width:100%;padding:10px;border:1px solid #e5e7eb;border-radius:8px;background:white;color:#0b1220;font-size:13px;font-family:inherit}
.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(30,111,255,0.1)}

/* Cta Full Width */
.cta-full{width:100%}

/* panels */
.panel-actions{display:flex;gap:8px;align-items:center}
.input{padding:8px;border-radius:8px;border:1px solid #e6eefb;background:#fafcff;width:100%}
.form-row{margin-bottom:12px}

/* badges */
.status-active{color:#0b9d58;font-weight:700}
.status-frozen{color:var(--danger);font-weight:800}

/* candlestick panel */
.chart-card{height:320px;display:flex;flex-direction:column}
.canvas-wrap{height:320px;width:100%;background:#fff;border-radius:8px;padding:8px}

/* options & contract */
.trade-form{display:flex;flex-direction:column;gap:8px}
.row{display:flex;gap:8px}
.row .input{flex:1}

/* notifications */
.toast{position:fixed;right:20px;bottom:20px;background:rgba(10,20,40,0.95);color:#fff;padding:12px 16px;border-radius:8px;box-shadow:0 8px 20px rgba(5,10,30,0.4);z-index:9999}

@media(max-width:900px){
  .grid{grid-template-columns:1fr}
  .nav{flex-wrap:wrap}
}