/* ============================================================
   F1 GROUP HUB — "Registry" design system
   Ink black + ledger cream + brand green (from the F1 Ghana logo),
   slab display / grotesk body, mono for reference numbers,
   rubber-stamp status badges.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Zilla+Slab:wght@500;600;700&family=Public+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --ink-navy:#14171A;
  --ink-navy-light:#262B2E;
  --ledger-cream:#F6F2E8;
  --paper-white:#FFFFFF;
  --brass:#008036;
  --brass-light:#15A34A;
  --stamp-approved:#008036;
  --stamp-pending:#B07D2C;
  --stamp-rejected:#A6423B;
  --ink-slate:#33363D;
  --ink-muted:#6B6E76;
  --rule-line:#DCD3BC;
  --rule-line-dark:#2A2E30;

  --font-display:'Zilla Slab', Georgia, serif;
  --font-body:'Public Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:'IBM Plex Mono', ui-monospace, monospace;

  --radius-s:4px;
  --radius-m:8px;
  --shadow-card:0 1px 2px rgba(20,23,26,0.06), 0 6px 20px -8px rgba(20,23,26,0.18);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--font-body);
  background:var(--ledger-cream);
  color:var(--ink-slate);
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{font-family:var(--font-display);color:var(--ink-navy);margin:0;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:var(--font-body);}
a{color:var(--brass);}
:focus-visible{outline:2px solid var(--brass);outline-offset:2px;}

/* -------------------- ledger page texture -------------------- */
.ledger-bg{
  background-image:repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 35px,
    var(--rule-line) 35px,
    var(--rule-line) 36px
  );
  background-attachment:local;
}

/* ==================== LOGIN PAGE ==================== */
body.login-page{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background:
    radial-gradient(circle at 15% 20%, rgba(0,128,54,0.10), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(20,23,26,0.08), transparent 45%),
    var(--ledger-cream);
  padding:24px;
}
.login-card{
  width:100%;
  max-width:400px;
  background:var(--paper-white);
  border:1px solid var(--rule-line);
  border-radius:var(--radius-m);
  box-shadow:var(--shadow-card);
  padding:44px 40px 36px;
  position:relative;
  animation:cardRise .5s ease both;
}
@keyframes cardRise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

.seal{
  width:64px;height:64px;
  margin:0 auto 18px;
  border-radius:50%;
  background:var(--paper-white);
  border:3px solid var(--brass);
  color:var(--ledger-cream);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);
  font-weight:700;
  font-size:22px;
  letter-spacing:1px;
  box-shadow:0 0 0 3px var(--ledger-cream), 0 0 0 4px var(--rule-line);
  overflow:hidden;
}
.seal img{width:78%;height:78%;object-fit:contain;}
.login-card h1{
  text-align:center;
  font-size:26px;
  letter-spacing:.5px;
}
.login-card .kicker{
  text-align:center;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:2.5px;
  text-transform:uppercase;
  color:var(--ink-muted);
  margin-top:6px;
}
.rule-double{
  height:5px;
  margin:18px 0 24px;
  border-top:2px solid var(--ink-navy);
  border-bottom:1px solid var(--ink-navy);
}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:1.8px;
  text-transform:uppercase;
  color:var(--ink-muted);
  margin-bottom:6px;
}
.field input, .field select, .field textarea{
  width:100%;
  border:none;
  border-bottom:1.5px solid var(--rule-line);
  background:transparent;
  padding:8px 2px;
  font-size:15px;
  color:var(--ink-slate);
  transition:border-color .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{
  border-bottom-color:var(--brass);
}
.field textarea{resize:vertical;min-height:80px;border:1.5px solid var(--rule-line);border-radius:var(--radius-s);padding:10px;}
.field textarea:focus{border-color:var(--brass);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid var(--ink-navy);
  background:transparent;
  color:var(--ink-navy);
  padding:11px 20px;
  border-radius:var(--radius-s);
  font-weight:600;
  font-size:14px;
  letter-spacing:.3px;
  transition:transform .12s ease, background .15s ease, color .15s ease, box-shadow .15s ease;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 4px 10px -4px rgba(20,23,26,0.35);}
.btn:active{transform:translateY(0);}
.btn.primary{background:var(--ink-navy);color:var(--ledger-cream);}
.btn.primary:hover{background:var(--ink-navy-light);}
.btn.success{border-color:var(--stamp-approved);color:var(--stamp-approved);}
.btn.success:hover{background:var(--stamp-approved);color:#fff;}
.btn.danger{border-color:var(--stamp-rejected);color:var(--stamp-rejected);}
.btn.danger:hover{background:var(--stamp-rejected);color:#fff;}
.btn.ghost{border-color:transparent;color:var(--ink-muted);}
.btn.ghost:hover{background:rgba(20,23,26,0.06);color:var(--ink-navy);}
.btn.block{width:100%;}
.btn.small{padding:6px 12px;font-size:12.5px;}
.btn[disabled]{opacity:.45;pointer-events:none;}

.link-btn{
  background:none;border:none;color:var(--brass);
  font-size:13px;text-decoration:underline;
  display:block;margin:14px auto 0;
  padding:0;
}
.message{
  min-height:18px;
  text-align:center;
  font-size:13px;
  color:var(--stamp-rejected);
  margin-top:14px;
}

/* ==================== APP SHELL ==================== */
.app{display:flex;min-height:100vh;background:var(--ledger-cream);}

.sidebar{
  width:220px;
  flex-shrink:0;
  background:var(--ink-navy);
  padding:22px 0 22px 16px;
  display:flex;
  flex-direction:column;
  position:sticky;top:0;height:100vh;
}
.brand{display:flex;align-items:center;gap:10px;padding:4px 14px 22px 2px;border-bottom:1px solid rgba(255,255,255,0.12);margin-bottom:14px;}
.logo-small{
  width:36px;height:36px;border-radius:50%;
  background:var(--paper-white);color:var(--ink-navy);
  border:2px solid var(--brass);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:700;font-size:15px;flex-shrink:0;
  overflow:hidden;
}
.logo-small img{width:80%;height:80%;object-fit:contain;}
.brand h2{color:var(--ledger-cream);font-size:15.5px;line-height:1.25;}
.brand p{color:rgba(246,242,232,0.55);font-size:10.5px;font-family:var(--font-mono);letter-spacing:.5px;margin-top:2px;}

.nav{
  text-align:left;
  background:transparent;
  border:none;
  color:rgba(246,242,232,0.72);
  padding:12px 18px;
  font-size:14px;
  font-weight:500;
  border-radius:8px 0 0 8px;
  margin-bottom:2px;
  position:relative;
  transition:background .15s ease, color .15s ease;
}
.nav:hover{color:var(--ledger-cream);background:rgba(255,255,255,0.06);}
.nav.active{
  background:var(--ledger-cream);
  color:var(--ink-navy);
  font-weight:600;
  box-shadow:-2px 0 0 var(--brass) inset;
}
.nav-spacer{flex:1;}
.nav-badge{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:18px;height:18px;padding:0 5px;margin-left:8px;
  border-radius:999px;background:var(--stamp-rejected,#A6423B);color:#fff;
  font-size:10.5px;font-weight:700;font-family:var(--font-mono);
}
.nav.logout{color:var(--brass-light);margin-top:auto;}
.nav.logout:hover{background:rgba(166,66,59,0.18);color:#fff;}

.main{flex:1;min-width:0;display:flex;flex-direction:column;}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 34px;
  border-bottom:2px solid var(--ink-navy);
  background:var(--paper-white);
}
.topbar h1{font-size:22px;}
.topbar p{font-family:var(--font-mono);font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--ink-muted);margin-top:3px;}
.user-chip{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--ink-navy);
  background:var(--ledger-cream);
  border:1px solid var(--rule-line);
  padding:7px 14px;
  border-radius:20px;
}

.page{padding:30px 34px 60px;}
.page.hidden{display:none;}

.page-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:12px;}
.page-head h2{font-size:22px;}
.page-head .sub{font-family:var(--font-mono);font-size:11px;letter-spacing:1px;color:var(--ink-muted);margin-top:4px;text-transform:uppercase;}

/* ---- cards / stat cards ---- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;margin-bottom:26px;}
.card{
  background:var(--paper-white);
  border:1px solid var(--rule-line);
  border-radius:var(--radius-m);
  box-shadow:var(--shadow-card);
  padding:20px;
}
.card.stat{position:relative;overflow:hidden;padding:18px 20px 20px;}
.card.stat::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:var(--brass);}
.card.stat h3{font-size:32px;line-height:1;}
.card.stat p{font-family:var(--font-mono);font-size:10.5px;letter-spacing:1.3px;text-transform:uppercase;color:var(--ink-muted);margin-top:8px;}

.section-title{font-size:16px;margin-bottom:14px;}

/* ---- table ---- */
.table-wrap{overflow-x:auto;}
.table{width:100%;border-collapse:collapse;font-size:14px;}
.table th{
  text-align:left;font-family:var(--font-mono);font-size:10.5px;letter-spacing:1.2px;
  text-transform:uppercase;color:var(--ink-muted);
  padding:0 14px 10px;border-bottom:2px solid var(--ink-navy);white-space:nowrap;
}
.table td{padding:13px 14px;border-bottom:1px solid var(--rule-line);vertical-align:middle;}
.table tr:last-child td{border-bottom:none;}
.table tr:hover td{background:rgba(0,128,54,0.05);}
.table .muted{color:var(--ink-muted);font-family:var(--font-mono);font-size:12.5px;}

/* ---- rubber stamp status badges ---- */
.stamp{
  display:inline-flex;align-items:center;justify-content:center;
  padding:3px 11px;
  border:2px solid currentColor;
  border-radius:4px;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:1.6px;
  text-transform:uppercase;
  font-weight:600;
  transform:rotate(-3deg);
  position:relative;
  white-space:nowrap;
}
.stamp::after{
  content:'';position:absolute;inset:-3px;border:1px solid currentColor;
  border-radius:6px;opacity:.35;
}
.stamp-approved,.stamp-active{color:var(--stamp-approved);}
.stamp-pending{color:var(--stamp-pending);}
.stamp-rejected,.stamp-inactive{color:var(--stamp-rejected);}

/* ---- empty state ---- */
.empty{
  padding:36px 20px;text-align:center;color:var(--ink-muted);
  border:1.5px dashed var(--rule-line);border-radius:var(--radius-m);
  font-size:14px;
}
.empty span{display:block;font-family:var(--font-mono);font-size:10.5px;letter-spacing:1.5px;text-transform:uppercase;margin-top:6px;color:var(--brass);}

/* ---- activity feed ---- */
.feed{display:flex;flex-direction:column;}
.feed-item{
  display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--rule-line);
}
.feed-item:last-child{border-bottom:none;}
.feed-dot{width:8px;height:8px;border-radius:50%;background:var(--brass);margin-top:6px;flex-shrink:0;}
.feed-item h4{font-size:14px;font-weight:600;color:var(--ink-slate);margin:0;}
.feed-item p{font-family:var(--font-mono);font-size:11.5px;color:var(--ink-muted);margin-top:2px;}

/* ---- query letter card ---- */
.letter{
  background:var(--paper-white);border:1px solid var(--rule-line);border-radius:var(--radius-m);
  padding:22px 24px;margin-bottom:14px;box-shadow:var(--shadow-card);position:relative;
}
.letter-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:10px;gap:12px;}
.letter-ref{font-family:var(--font-mono);font-size:11px;color:var(--ink-muted);letter-spacing:.5px;}
.letter h4{font-size:16px;margin-top:4px;}
.letter-body{font-size:14px;color:var(--ink-slate);line-height:1.6;white-space:pre-wrap;margin-bottom:14px;}
.letter-foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;}
.letter-actions{display:flex;gap:8px;}

/* ---- toolbar / filters row ---- */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px;align-items:center;}
.toolbar input[type=text], .toolbar input[type=search]{
  border:1.5px solid var(--rule-line);border-radius:var(--radius-s);padding:9px 12px;font-size:13.5px;min-width:200px;background:var(--paper-white);
}
.toolbar input:focus{border-color:var(--brass);outline:none;}

/* ---- modal ---- */
.modal-overlay{
  position:fixed;inset:0;background:rgba(20,23,26,0.55);
  display:flex;align-items:center;justify-content:center;z-index:100;
  padding:20px;animation:fadeIn .15s ease both;
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal-overlay.hidden{display:none;}
.modal{
  background:var(--paper-white);border-radius:var(--radius-m);
  width:100%;max-width:440px;max-height:88vh;overflow-y:auto;
  box-shadow:0 20px 60px -10px rgba(20,23,26,0.45);
  animation:modalRise .18s ease both;
}
@keyframes modalRise{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
.modal-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:20px 24px;border-bottom:2px solid var(--ink-navy);
}
.modal-head h3{font-size:18px;}
.modal-close{background:none;border:none;font-size:20px;color:var(--ink-muted);line-height:1;padding:4px;}
.modal-close:hover{color:var(--stamp-rejected);}
.modal-body{padding:22px 24px;}
.modal-foot{padding:16px 24px 22px;display:flex;justify-content:flex-end;gap:10px;}

/* ---- admin ---- */
.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;}
.admin-card h3{font-size:15px;margin-bottom:6px;}
.admin-card p{font-size:13px;color:var(--ink-muted);margin-bottom:14px;line-height:1.5;}

/* ---- toast ---- */
.toast{
  position:fixed;bottom:24px;right:24px;
  background:var(--ink-navy);color:var(--ledger-cream);
  padding:13px 20px;border-radius:var(--radius-s);
  font-size:13.5px;box-shadow:0 10px 30px -8px rgba(0,0,0,0.4);
  z-index:200;border-left:4px solid var(--brass);
  animation:toastIn .2s ease both;
}
.toast.error{border-left-color:var(--stamp-rejected);}
@keyframes toastIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ---- responsive ---- */
@media (max-width:860px){
  .sidebar{
    position:fixed;bottom:0;left:0;right:0;top:auto;height:auto;width:100%;
    flex-direction:row;overflow-x:auto;padding:8px 10px;z-index:50;
    border-top:2px solid var(--brass);
  }
  .brand{display:none;}
  .nav{border-radius:8px;white-space:nowrap;padding:10px 14px;font-size:12.5px;box-shadow:none;}
  .nav.active{box-shadow:none;}
  .nav-spacer{display:none;}
  .nav.logout{margin-top:0;}
  .main{padding-bottom:70px;}
  .topbar{padding:16px 18px;}
  .page{padding:20px 18px 50px;}
  .login-card{padding:32px 24px 28px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}