/* Sultanate Trade Portal — obsidian ocean + gold, single committed dark theme. */
:root{
  --ocean:#071120; --panel:#0c1828; --panel2:#111f33; --line:#26364c;
  --ink:#e9e2d2; --soft:#93a0ae; --gold:#d4b46a; --aqua:#5fd3c9; --err:#e08b7a; --ok:#7fc99a;
}
*{box-sizing:border-box}
body{margin:0;background:var(--ocean);color:var(--ink);font:15px/1.6 Inter,system-ui,sans-serif;min-height:100vh;display:flex;flex-direction:column}
.top{display:flex;justify-content:space-between;align-items:center;padding:1.1rem clamp(1rem,4vw,2.5rem);border-bottom:1px solid var(--line)}
.brand{font-family:"Cormorant Garamond",Georgia,serif;font-size:1.5rem;font-weight:600;line-height:1}
.brand small{display:block;font-family:Inter,sans-serif;font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin-top:.3rem}
.who{display:flex;gap:1rem;align-items:center;color:var(--soft);font-size:.85rem}
main{flex:1;width:100%;max-width:900px;margin:0 auto;padding:2rem clamp(1rem,4vw,2rem)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:1.5rem}
h1,h2{font-family:"Cormorant Garamond",Georgia,serif;font-weight:600;margin:0 0 1rem}
h1{font-size:2rem} h2{font-size:1.5rem}
.auth{max-width:430px;margin:3rem auto}
.tabs{display:flex;gap:.5rem;margin-bottom:1.2rem}
.tab{background:none;border:1px solid var(--line);color:var(--soft);padding:.45rem .9rem;border-radius:99px;cursor:pointer;font:inherit;font-size:.82rem}
.tab.active{border-color:var(--gold);color:var(--gold)}
.stack{display:flex;flex-direction:column;gap:.9rem}
label{display:flex;flex-direction:column;gap:.3rem;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--soft)}
input,select,textarea{background:var(--panel2);border:1px solid var(--line);border-radius:8px;color:var(--ink);font:inherit;font-size:.95rem;padding:.55rem .7rem;letter-spacing:normal;text-transform:none}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold)}
.btn{border:none;border-radius:8px;padding:.7rem 1.2rem;font:inherit;font-weight:600;cursor:pointer}
.btn.primary{background:var(--gold);color:#1d1608}
.btn.primary:disabled{opacity:.55;cursor:wait}
.link{background:none;border:none;color:var(--aqua);cursor:pointer;font:inherit;padding:0}
.msg{min-height:1.2em;font-size:.85rem;color:var(--aqua);margin:0}
.msg.err{color:var(--err)}
.hint{color:var(--soft);font-size:.85rem;margin:0}
.subnav{display:flex;gap:.6rem;margin-bottom:1.2rem}
.nav{background:none;border:1px solid var(--line);color:var(--soft);padding:.5rem 1rem;border-radius:8px;cursor:pointer;font:inherit;font-size:.85rem}
.nav.active{border-color:var(--gold);color:var(--gold)}
.row{display:flex;gap:.8rem;flex-wrap:wrap;align-items:flex-end}
.row label{flex:1;min-width:130px}
.row .narrow{flex:0 0 90px;min-width:90px}
.results{margin-top:1.2rem;display:flex;flex-direction:column;gap:.8rem}
.room{display:flex;justify-content:space-between;align-items:center;gap:1rem;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:1rem 1.3rem;flex-wrap:wrap}
.room h3{font-family:"Cormorant Garamond",Georgia,serif;margin:0;font-size:1.25rem}
.room .plan{color:var(--soft);font-size:.82rem}
.room .net{text-align:right}
.room .net b{color:var(--gold);font-size:1.25rem;font-weight:600}
.room .net span{display:block;color:var(--soft);font-size:.72rem}
.tag-net{display:inline-block;font-size:.65rem;font-weight:600;letter-spacing:.08em;color:var(--aqua);border:1px solid var(--aqua);border-radius:4px;padding:.05rem .4rem;margin-left:.5rem;vertical-align:2px}
.bill{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:0 0 1.2rem;padding:.4rem 0}
.bill div{display:flex;justify-content:space-between;padding:.35rem 0;font-size:.9rem}
.bill .total{font-family:"Cormorant Garamond",Georgia,serif;font-size:1.2rem;color:var(--gold)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
@media(max-width:560px){.grid2{grid-template-columns:1fr}}
.done{text-align:center;padding:1.5rem 0}
.done .tick{font-size:2.2rem;color:var(--ok)}
.done h3{font-family:"Cormorant Garamond",Georgia,serif;font-size:1.5rem;margin:.4rem 0}
.done p{color:var(--soft)}
.sub{color:var(--soft);margin:-.6rem 0 1rem;font-size:.88rem}
table{width:100%;border-collapse:collapse;font-size:.88rem}
th{font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--soft);text-align:left;padding:.5rem .6rem;border-bottom:1px solid var(--line)}
td{padding:.5rem .6rem;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:none}
.empty{color:var(--soft);padding:1rem 0}
.foot{text-align:center;color:var(--soft);font-size:.78rem;padding:1.4rem;border-top:1px solid var(--line)}
.foot a{color:var(--aqua)}
.loading{color:var(--soft);padding:1rem 0}