:root{
  --steel:#1f2a33;        /* dark charcoal header */
  --steel-2:#28353f;
  --ink:#1c232a;
  --orange:#f26a1b;       /* safety orange accent */
  --orange-d:#d4550c;
  --bg:#eef1f4;
  --card:#ffffff;
  --line:#e2e7ec;
  --muted:#6b7885;
  --green:#1f9d55;
  --green-bg:#e4f5ec;
  --amber:#b9821b;
  --amber-bg:#fdf3df;
  --red:#c0392b;
  --red-bg:#fbe9e7;
  --shadow:0 1px 3px rgba(20,30,40,.08),0 4px 14px rgba(20,30,40,.05);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.45;font-size:15px;
}
a{color:var(--orange-d);text-decoration:none}
a:hover{text-decoration:underline}
.neg{color:var(--red)}

/* Header */
.masthead{background:linear-gradient(180deg,var(--steel),var(--steel-2));color:#fff;
  border-bottom:3px solid var(--orange)}
.masthead-inner{max-width:1180px;margin:0 auto;padding:14px 22px;
  display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.brand{display:flex;flex-direction:column;line-height:1.15}
.brand .co{font-weight:800;font-size:18px;letter-spacing:.3px}
.brand .sub{font-size:12px;color:#b7c2cc;text-transform:uppercase;letter-spacing:1px}
.brand .mark{color:var(--orange)}
.spacer{flex:1}
.monthpick select{background:#12191f;color:#fff;border:1px solid #3a4852;
  border-radius:7px;padding:7px 10px;font-size:14px}
.userbox{font-size:13px;color:#c4cdd6;display:flex;align-items:center;gap:10px}
.userbox a{color:#fff}
.logout{background:var(--orange);color:#fff!important;padding:6px 12px;border-radius:7px;
  font-weight:600;font-size:13px}
.logout:hover{background:var(--orange-d);text-decoration:none}

/* Nav */
.nav{background:#17212a;border-bottom:1px solid #26333d}
.nav-inner{max-width:1180px;margin:0 auto;padding:0 22px;display:flex;gap:2px;flex-wrap:wrap}
.nav a{color:#aeb9c3;padding:12px 16px;font-size:14px;font-weight:600;
  border-bottom:3px solid transparent}
.nav a:hover{color:#fff;text-decoration:none}
.nav a.active{color:#fff;border-bottom-color:var(--orange)}

/* Layout */
.wrap{max-width:1180px;margin:0 auto;padding:26px 22px 60px}
.page-title{font-size:24px;font-weight:800;margin:0 0 4px}
.page-sub{color:var(--muted);margin:0 0 22px;font-size:14px}
.section-title{font-size:15px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;
  color:var(--muted);margin:30px 0 12px}

/* Cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow);padding:20px}
.grid{display:grid;gap:16px}
.kpis{grid-template-columns:repeat(4,1fr)}
.kpi .label{font-size:12px;text-transform:uppercase;letter-spacing:.7px;color:var(--muted);font-weight:700}
.kpi .value{font-size:30px;font-weight:800;margin:6px 0 2px;letter-spacing:-.5px}
.kpi .delta{font-size:13px;font-weight:700;display:inline-flex;align-items:center;gap:4px}
.delta.up{color:var(--green)}.delta.down{color:var(--red)}
.delta .arrow{font-size:15px}

/* Chips */
.chip{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700}
.chip-green{background:var(--green-bg);color:var(--green)}
.chip-amber{background:var(--amber-bg);color:var(--amber)}
.chip-red{background:var(--red-bg);color:var(--red)}

/* Buyer leaderboard */
.buyer-row{display:flex;align-items:center;gap:16px;padding:14px 18px;border:1px solid var(--line);
  border-radius:11px;background:#fff;margin-bottom:10px;box-shadow:var(--shadow);
  transition:transform .08s ease,box-shadow .08s}
.buyer-row:hover{transform:translateY(-1px);box-shadow:0 4px 18px rgba(20,30,40,.12);text-decoration:none}
.buyer-row .rank{font-size:15px;font-weight:800;color:var(--muted);width:24px;text-align:center}
.buyer-row .bname{font-weight:700;font-size:16px;min-width:150px}
.buyer-row .bgm{font-size:22px;font-weight:800;min-width:130px}
.buyer-row .bbar{flex:1;min-width:80px}
.buyer-row .blbs{color:var(--muted);font-size:13px;min-width:110px;text-align:right}
.share-track{height:9px;background:#eef1f4;border-radius:6px;overflow:hidden}
.share-fill{height:100%;background:var(--orange);border-radius:6px}

/* Plain english box */
.plain{background:#fff8f2;border:1px solid #f6d8bf;border-left:4px solid var(--orange);
  border-radius:11px;padding:18px 20px}
.plain h3{margin:0 0 10px;font-size:15px;color:var(--orange-d)}
.plain ul{margin:0;padding-left:20px}
.plain li{margin:5px 0}

/* Tables */
table.data{width:100%;border-collapse:collapse;font-size:14px}
table.data th,table.data td{padding:10px 12px;text-align:right;border-bottom:1px solid var(--line)}
table.data th:first-child,table.data td:first-child{text-align:left}
table.data thead th{background:#f5f7f9;font-size:12px;text-transform:uppercase;letter-spacing:.4px;
  color:var(--muted);cursor:pointer;user-select:none}
table.data tbody tr:hover{background:#fafbfc}
table.data tfoot td{font-weight:800;border-top:2px solid var(--ink)}

/* Bar list (expenses) */
.barlist .item{margin-bottom:10px}
.barlist .toprow{display:flex;justify-content:space-between;font-size:14px;margin-bottom:3px}
.barlist .cat{font-weight:600}
.barlist .amt{font-weight:700}
.bar-track{height:12px;background:#eef1f4;border-radius:6px;overflow:hidden}
.bar-fill{height:100%;background:var(--steel);border-radius:6px}

/* Yard cards */
.yardcards{grid-template-columns:repeat(3,1fr)}
.yardcard .yname{font-weight:800;font-size:17px}
.yardcard .ygm{font-size:24px;font-weight:800;margin:6px 0}
.yardcard .meta{color:var(--muted);font-size:13px}

/* Accordion */
.accordion{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fafbfc}
.accordion summary{cursor:pointer;padding:14px 18px;font-weight:700;font-size:14px;
  list-style:none;display:flex;justify-content:space-between;align-items:center}
.accordion summary::-webkit-details-marker{display:none}
.accordion summary::after{content:"▾";color:var(--muted)}
.accordion[open] summary::after{content:"▴"}
.accordion .body{padding:0 18px 16px}

/* Quiet note line */
.quiet-note{background:#f5f7f9;border:1px solid var(--line);border-radius:9px;
  padding:12px 16px;color:#54606b;font-size:14px;margin:14px 0}

/* Glossary */
.gloss{width:100%;border-collapse:collapse}
.gloss th,.gloss td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.gloss .new{font-weight:700}
.gloss .old{color:var(--muted)}

/* Upload */
.dropzone{border:2px dashed #c4cfd8;border-radius:12px;padding:34px;text-align:center;
  background:#fafbfc;color:var(--muted)}
.dropzone.drag{border-color:var(--orange);background:#fff6ef}
.btn{background:var(--orange);color:#fff;border:none;border-radius:8px;padding:10px 20px;
  font-weight:700;font-size:14px;cursor:pointer}
.btn:hover{background:var(--orange-d)}
.alert{border-radius:9px;padding:12px 16px;margin:14px 0;font-size:14px}
.alert-ok{background:var(--green-bg);color:var(--green);border:1px solid #b9e4cb}
.alert-err{background:var(--red-bg);color:var(--red);border:1px solid #f2c3bd}

.print-link{font-size:13px;font-weight:700}

/* Login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,var(--steel),#0e141a)}
.login-card{background:#fff;border-radius:14px;padding:34px 32px;width:360px;box-shadow:0 20px 60px rgba(0,0,0,.4);
  border-top:4px solid var(--orange)}
.login-card h1{font-size:19px;margin:0 0 4px}
.login-card .sub{color:var(--muted);font-size:13px;margin-bottom:20px}
.login-card label{display:block;font-size:13px;font-weight:600;margin:12px 0 4px}
.login-card input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:15px}
.login-card .btn{width:100%;margin-top:20px;padding:12px}
.login-err{color:var(--red);font-size:13px;margin-top:10px}

.chartbox{position:relative;height:300px}
.chartbox.tall{height:340px}

@media(max-width:820px){
  .kpis{grid-template-columns:repeat(2,1fr)}
  .yardcards{grid-template-columns:1fr}
  .buyer-row{flex-wrap:wrap;gap:8px}
  .buyer-row .bbar{order:5;flex-basis:100%}
  .buyer-row .blbs{text-align:left}
}
@media(max-width:520px){.kpis{grid-template-columns:1fr}}