/* === Blitz Trade Nexus – Teal & Graphite (light) === */
:root{
  --brand:#00796b;      /* teal */
  --brand-2:#009688;    /* accent teal */
  --ink:#222;           /* primary text */
  --muted:#667680;      /* secondary text */
  --bg:#ffffff;         /* page */
  --panel:#ffffff;      /* cards */
  --line:#d9e2e6;       /* borders */
  --chip:#e7f5f3;       /* soft teal */
  --head:#f4f7f7;       /* table head / subtle sections */
  --shadow: 0 1px 2px rgba(16,24,40,.06), 0 8px 24px rgba(2,84,76,.06);
  --radius: 12px;
}

/* base */
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 "Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--brand-2);text-decoration:none}
a:hover{opacity:.9}
.container{max-width:1200px;margin:0 auto;padding:20px}

/* header / nav */
.site-header{position:sticky;top:0;z-index:10;background:#f8fbfb;border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
.nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--brand)}
.nav a{color:#2b3a3a;padding:8px 10px;border-radius:8px}
.nav a:hover{background:var(--chip)}
.nav a.active{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff}

/* buttons */
.btn{padding:10px 14px;border-radius:10px;border:1px solid var(--line);background:var(--panel);cursor:pointer;font-weight:700}
.btn.primary{background:linear-gradient(90deg,var(--brand),var(--brand-2));border:0;color:#fff}
.btn.ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn:disabled{opacity:.6;cursor:not-allowed}

/* cards / sections */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}
h1,h2,h3{margin:0 0 10px;color:#123;letter-spacing:.2px}
.caption{font-size:12px;color:var(--muted)}

/* forms */
label{display:block;font-size:13px;color:var(--muted);margin:6px 0 4px}
input,select{width:100%;padding:10px;border:1px solid var(--line);border-radius:10px;font-size:14px;background:#fff}
input:focus,select:focus{outline:2px solid rgba(0,150,136,.25)}

/* table */
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff}
table{width:100%;min-width:1200px;border-collapse:collapse}
th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left;font-size:13px;vertical-align:top}
thead th{background:var(--head);position:sticky;top:0;z-index:2}
tbody tr:nth-child(even){background:#fbfefe}
thead .filters input{padding:6px;border-radius:8px}
.meta{color:var(--muted);font-size:12px}

/* footer */
.site-footer{border-top:1px solid var(--line);background:#fbfefe;color:var(--muted);padding:14px 0;font-size:13px}

/* utilities */
.mt-12{margin-top:12px}
.mt-20{margin-top:20px}
.right{text-align:right}