:root{
  --bg:#f3efe7;
  --panel:#fffdf8;
  --panel-strong:#f9f2e6;
  --ink:#112437;
  --ink-soft:#4a5b68;
  --line:#d7c7ad;
  --accent:#9b4d18;
  --accent-dark:#6f3610;
  --shadow:0 18px 45px rgba(17,36,55,.12);
}

*{box-sizing:border-box}

html,body{
  margin:0;
  min-height:100%;
  background:
    radial-gradient(circle at top left, rgba(155,77,24,.16), transparent 30%),
    linear-gradient(180deg, #f6f1e6 0%, #efe8db 100%);
  color:var(--ink);
  font-family:Georgia, "Times New Roman", serif;
}

body.control-shell{
  padding:24px;
}

a{
  color:var(--accent-dark);
}

.topbar,
.panel,
.access-card{
  background:rgba(255,253,248,.88);
  border:1px solid rgba(215,199,173,.9);
  box-shadow:var(--shadow);
  backdrop-filter:blur(10px);
}

.topbar{
  max-width:1280px;
  margin:0 auto 18px;
  padding:24px 28px;
  border-radius:28px;
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:20px;
}

.topbar h1,
.access-card h1,
.hero h2,
.section-head h2{
  margin:0;
  letter-spacing:.04em;
}

.topbar-text,
.lead,
.muted,
.stack-card p,
.module-card p,
.book-card p{
  color:var(--ink-soft);
}

.eyebrow{
  margin:0 0 8px;
  text-transform:uppercase;
  letter-spacing:.18em;
  font:700 11px/1.2 ui-sans-serif, system-ui, sans-serif;
  color:var(--accent);
}

.topnav{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  justify-content:flex-end;
}

.topnav a{
  text-decoration:none;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.72);
  font:600 13px/1 ui-sans-serif, system-ui, sans-serif;
}

.page,
.access-wrap{
  max-width:1280px;
  margin:0 auto;
}

.page{
  display:grid;
  gap:18px;
}

.panel{
  border-radius:26px;
  padding:26px;
}

.hero{
  display:grid;
  grid-template-columns:1.45fr .95fr;
  gap:24px;
  align-items:center;
  overflow:hidden;
}

.hero-copy h2{
  font-size:clamp(30px, 4vw, 52px);
  line-height:1.06;
  max-width:14ch;
}

.stats-grid,
.mini-grid{
  display:grid;
  gap:14px;
  grid-template-columns:repeat(auto-fit, minmax(150px, 1fr));
}

.stat-card,
.mini-stat,
.stack-card,
.module-card,
.book-card,
.notice{
  border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(249,242,230,.95));
  border-radius:20px;
}

.stat-card{
  padding:18px;
}

.stat-card strong,
.mini-stat strong{
  display:block;
  font-size:clamp(26px, 4vw, 40px);
  line-height:1;
  color:var(--accent-dark);
}

.stat-card span,
.mini-stat span,
.module-tag{
  font:700 12px/1.2 ui-sans-serif, system-ui, sans-serif;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--ink-soft);
}

.section-head{
  margin-bottom:16px;
}

.book-grid,
.module-grid{
  display:grid;
  gap:16px;
}

.book-grid{
  grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));
}

.module-grid{
  grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
}

.book-card,
.module-card,
.stack-card{
  padding:18px;
}

.module-card h3,
.stack-card h4{
  margin:8px 0 10px;
}

.split-grid{
  display:grid;
  gap:18px;
  grid-template-columns:repeat(2, minmax(0, 1fr));
}

.profile-grid{
  display:grid;
  gap:16px;
  grid-template-columns:repeat(2, minmax(0, 1fr));
}

.stack{
  display:grid;
  gap:12px;
}

.clean-list,
.flow-list{
  margin:0;
  padding-left:20px;
}

.clean-list li,
.flow-list li{
  margin:0 0 10px;
  line-height:1.5;
}

.clean-list.compact li{
  margin-bottom:8px;
}

.flow-list.short li{
  margin-bottom:12px;
}

.code-block{
  margin:0;
  padding:18px;
  border-radius:20px;
  overflow:auto;
  border:1px solid #cfbe9f;
  background:#171d22;
  color:#f4e7cf;
  font:14px/1.55 Consolas, "Courier New", monospace;
}

.final-panel{
  border:1px solid rgba(155,77,24,.45);
  background:
    radial-gradient(circle at right top, rgba(155,77,24,.15), transparent 28%),
    rgba(255,253,248,.94);
}

.access-wrap{
  min-height:calc(100vh - 48px);
  display:grid;
  place-items:center;
}

.access-card{
  width:min(760px, 100%);
  padding:34px;
  border-radius:30px;
}

.access-card h1{
  font-size:clamp(36px, 8vw, 68px);
}

.mini-stat{
  padding:16px;
}

.notice{
  margin:18px 0;
  padding:16px 18px;
}

.notice strong,
.foot-note,
.btn{
  font-family:ui-sans-serif, system-ui, sans-serif;
}

.actions-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:20px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  padding:14px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  font-weight:700;
  letter-spacing:.03em;
}

.btn-primary{
  background:linear-gradient(180deg, var(--accent), var(--accent-dark));
  color:#fffaf2;
}

.btn-secondary{
  background:#fffaf2;
  color:var(--ink);
}

.foot-note{
  margin:16px 0 0;
  color:var(--ink-soft);
}

code{
  font-family:Consolas, "Courier New", monospace;
}

@media (max-width: 960px){
  body.control-shell{padding:16px}
  .topbar,
  .hero,
  .split-grid,
  .profile-grid{
    grid-template-columns:1fr;
  }
  .topbar{
    align-items:flex-start;
  }
  .hero-copy h2{
    max-width:none;
  }
}

.access-layout{
  display:grid;
  grid-template-columns:1.2fr .9fr;
  gap:22px;
  align-items:stretch;
}

.login-card{
  border:1px solid var(--line);
  border-radius:24px;
  padding:24px;
  background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(244,235,219,.96));
  display:grid;
  gap:16px;
}

.field{
  display:grid;
  gap:8px;
  font:600 14px/1.3 ui-sans-serif, system-ui, sans-serif;
}

.field input{
  border:1px solid var(--line);
  border-radius:14px;
  padding:13px 14px;
  font:15px/1.3 ui-sans-serif, system-ui, sans-serif;
  background:#fff;
  color:var(--ink);
}

.field select,
.field textarea{
  border:1px solid var(--line);
  border-radius:14px;
  padding:13px 14px;
  font:15px/1.3 ui-sans-serif, system-ui, sans-serif;
  background:#fff;
  color:var(--ink);
  width:100%;
}

.btn-block{
  width:100%;
}

.form-error{
  border:1px solid #c77948;
  background:#fff1e8;
  color:#7a2f0c;
  border-radius:14px;
  padding:12px 14px;
  font:600 14px/1.4 ui-sans-serif, system-ui, sans-serif;
}

.flash-banner{
  border-radius:16px;
  padding:14px 16px;
  font:600 14px/1.4 ui-sans-serif, system-ui, sans-serif;
  border:1px solid var(--line);
  background:#fffaf2;
}

.flash-success{
  background:#edf8ef;
  border-color:#8fbb95;
  color:#1d5c29;
}

.flash-error{
  background:#fff1e8;
  border-color:#c77948;
  color:#7a2f0c;
}

.app-body{
  padding:0;
  background:
    radial-gradient(circle at top right, rgba(155,77,24,.12), transparent 25%),
    linear-gradient(180deg, #f7f2e9 0%, #ede4d6 100%);
}

.app-frame{
  display:grid;
  grid-template-columns:290px 1fr;
  min-height:100vh;
}

.sidebar{
  padding:26px 20px;
  background:#102133;
  color:#f4ede2;
  display:flex;
  flex-direction:column;
  gap:24px;
  position:sticky;
  top:0;
  max-height:100vh;
  overflow:auto;
}

.sidebar .eyebrow{
  color:#d6a775;
}

.sidebar-brand h1{
  margin:0;
  font-size:30px;
}

.sidebar .muted{
  color:#c8d0d8;
}

.sidebar-nav{
  display:grid;
  gap:8px;
}

.sidebar-nav a{
  white-space:nowrap;
}

.sidebar-nav a,
.logout-link{
  text-decoration:none;
  color:#f4ede2;
  font:600 14px/1.3 ui-sans-serif, system-ui, sans-serif;
  padding:12px 14px;
  border-radius:14px;
  transition:background .18s ease;
}

.sidebar-nav a:hover,
.logout-link:hover,
.sidebar-nav a.is-active{
  background:rgba(255,255,255,.1);
}

.sidebar-foot{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid rgba(255,255,255,.12);
}

.sidebar-foot p{
  margin:0 0 6px;
}

.app-main{
  padding:24px;
  display:grid;
  gap:18px;
}

.app-topbar{
  background:rgba(255,253,248,.92);
  border:1px solid rgba(215,199,173,.9);
  box-shadow:var(--shadow);
  border-radius:24px;
  padding:22px 24px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  align-items:flex-start;
}

.app-topbar h2,
.erp-panel h3{
  margin:0;
}

.topbar-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.chip-link{
  text-decoration:none;
  border:1px solid var(--line);
  border-radius:999px;
  padding:10px 14px;
  background:#fffaf2;
  font:600 13px/1 ui-sans-serif, system-ui, sans-serif;
}

.erp-stats{
  display:grid;
  gap:16px;
  grid-template-columns:repeat(auto-fit, minmax(200px, 1fr));
}

.erp-stat-card{
  border:1px solid var(--line);
  background:rgba(255,253,248,.92);
  border-radius:22px;
  padding:18px;
  box-shadow:var(--shadow);
}

.erp-stat-card span,
.erp-stat-card p{
  display:block;
  margin:0;
  color:var(--ink-soft);
}

.erp-stat-card strong{
  display:block;
  margin:10px 0 8px;
  font-size:34px;
  line-height:1;
  color:var(--accent-dark);
}

.erp-panel{
  padding:22px;
}

.erp-panel .module-grid .chip-link{
  margin-top:10px;
  display:inline-flex;
}

.erp-form-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:14px;
}

.field-span-2{
  grid-column:1 / -1;
}

.inline-action-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:18px;
  background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(249,242,230,.95));
}

.table-wrap{
  overflow:auto;
}

.data-table{
  width:100%;
  border-collapse:collapse;
  min-width:680px;
}

.data-table th,
.data-table td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:top;
}

.data-table th{
  font:700 12px/1.2 ui-sans-serif, system-ui, sans-serif;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--accent-dark);
}

.data-table td{
  font:14px/1.45 ui-sans-serif, system-ui, sans-serif;
}

@media (max-width: 1080px){
  .access-layout,
  .app-frame{
    grid-template-columns:1fr;
  }

  .sidebar{
    gap:16px;
  }
}

@media (max-width: 720px){
  .erp-form-grid{
    grid-template-columns:1fr;
  }

  .inline-action-row{
    flex-direction:column;
    align-items:flex-start;
  }
}