@import url("../../../assets/vervenveda-parchment.css");
/* ==========================================================
   KHAEMENES ACADEMY · INTERNATIONAL INTEGRATED SCIENCE 9
   Shared course interface · Root Shell Version 1.0
   ========================================================== */

:root{
  --bg:#07131d;
  --bg-soft:#0a1a25;
  --panel:#102430;
  --panel-2:#15313d;
  --panel-3:#193946;
  --text:#f2f6f4;
  --muted:#afc0bf;
  --line:rgba(210,231,228,.17);
  --silver:#c9d7d5;
  --silver-soft:#edf4f2;
  --science:#7fc9bd;
  --science-deep:#3c887f;
  --earth:#9fbd87;
  --matter:#b7a3cf;
  --energy:#e0b978;
  --ocean:#79afd0;
  --danger:#d28d8d;
  --success:#8bc2a2;
  --shadow:0 22px 55px rgba(0,0,0,.28);
  --radius-small:7px;
  --radius:21px;
  --radius-large:33px;
  --max:1240px;
  --serif:"Cinzel","Cormorant Garamond","Palatino Linotype",Georgia,serif;
  --sans:"Avenir Next","Brandon Grotesque","Segoe UI",system-ui,sans-serif;
}

[data-theme="light"]{
  --bg:#eef4f1;
  --bg-soft:#f8fbf9;
  --panel:#ffffff;
  --panel-2:#e7f0ed;
  --panel-3:#dceae6;
  --text:#17282b;
  --muted:#576a6b;
  --line:rgba(23,40,43,.16);
  --silver:#647678;
  --silver-soft:#243638;
  --science:#246f67;
  --science-deep:#1d5a54;
  --earth:#52763d;
  --matter:#725991;
  --energy:#8a641f;
  --ocean:#326f91;
  --danger:#954b4b;
  --success:#3f7456;
  --shadow:0 18px 42px rgba(30,54,52,.12);
}

*{box-sizing:border-box}
html{
  color-scheme:dark;
  scroll-behavior:smooth;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
html[data-theme="light"]{color-scheme:light}
body{
  margin:0;
  min-height:100vh;
  color:var(--text);
  background:
    radial-gradient(circle at 8% -5%,rgba(121,175,208,.13),transparent 31rem),
    radial-gradient(circle at 94% 4%,rgba(127,201,189,.12),transparent 28rem),
    linear-gradient(180deg,var(--bg),#081722 64%,var(--bg));
  font:400 17px/1.72 var(--sans);
}
body,button,input,select,textarea{font-family:var(--sans)}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
a{color:inherit}
img,svg{max-width:100%}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--science);outline-offset:4px}
::selection{background:rgba(127,201,189,.3)}

.wrap{width:min(var(--max),calc(100% - 2rem));margin-inline:auto}
.skip-link{
  position:fixed;
  z-index:1000;
  top:-5rem;
  inset-inline-start:1rem;
  padding:.75rem 1rem;
  border-radius:var(--radius-small);
  color:#07131d;
  background:var(--silver-soft);
  text-decoration:none;
  font-weight:444;
}
.skip-link:focus{top:1rem}

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  border-bottom:1px solid var(--line);
  background:color-mix(in srgb,var(--bg) 91%,transparent);
  backdrop-filter:blur(16px);
}
.header-inner{
  min-height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}
.brand{
  min-width:0;
  display:flex;
  align-items:center;
  gap:.75rem;
  text-decoration:none;
}
.brand-mark{
  width:44px;
  height:44px;
  flex:0 0 44px;
  display:grid;
  place-items:center;
  border:1px solid color-mix(in srgb,var(--science) 55%,transparent);
  border-radius:var(--radius-small);
  color:var(--silver-soft);
  background:
    radial-gradient(circle at 50% 50%,transparent 29%,rgba(127,201,189,.25) 30% 32%,transparent 33%),
    var(--panel);
  font:444 1rem/1 var(--serif);
  letter-spacing:.05em;
}
.brand-copy{min-width:0;display:grid;line-height:1.1}
.brand-copy strong{
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  font:444 .96rem/1.2 var(--serif);
  letter-spacing:.1em;
}
.brand-copy small{
  margin-top:.26rem;
  color:var(--muted);
  font-size:.69rem;
  letter-spacing:.09em;
  text-transform:uppercase;
}
.header-actions{display:flex;align-items:center;gap:.5rem}
.nav-button,.icon-button{
  min-height:42px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:.55rem .75rem;
  border:1px solid var(--line);
  border-radius:var(--radius-small);
  color:var(--text);
  background:var(--panel);
  text-decoration:none;
  font-weight:444;
}
.icon-button{min-width:42px}
.nav-button:hover,.icon-button:hover{border-color:var(--science)}

.course-breadcrumb{
  border-bottom:1px solid var(--line);
  background:color-mix(in srgb,var(--bg-soft) 94%,transparent);
}
.course-breadcrumb .wrap{
  min-height:48px;
  display:flex;
  justify-content:center;
  align-items:center;
  flex-wrap:wrap;
  gap:.55rem;
  color:var(--muted);
  font-size:.78rem;
}
.course-breadcrumb a{color:var(--silver-soft);text-decoration:none}
.course-breadcrumb a:hover{text-decoration:underline;text-underline-offset:.22em}

.hero{
  padding:clamp(5rem,10vw,8.5rem) 0 4.5rem;
  text-align:center;
}
.eyebrow{
  margin:0 0 .9rem;
  color:var(--science);
  font-size:.77rem;
  font-weight:444;
  letter-spacing:.2em;
  text-transform:uppercase;
}
h1,h2,h3,h4{
  margin-top:0;
  color:var(--text);
  font-family:var(--serif);
  font-weight:444;
  line-height:1.14;
}
h1{
  max-width:1060px;
  margin-inline:auto;
  margin-bottom:1.1rem;
  font-size:clamp(2.7rem,7vw,6rem);
  letter-spacing:.018em;
}
.hero-subtitle{
  display:block;
  margin-top:.55rem;
  color:var(--silver);
  font-family:var(--sans);
  font-size:clamp(.96rem,2vw,1.25rem);
  font-weight:400;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.lead{
  max-width:830px;
  margin:0 auto;
  color:var(--muted);
  font-size:clamp(1.04rem,2vw,1.28rem);
}
.course-meta,.actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:.65rem;
}
.course-meta{margin-top:1.5rem}
.actions{margin-top:1.7rem}
.pill,.tag,.status-label{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:.32rem .57rem;
  border:1px solid var(--line);
  border-radius:var(--radius-small);
  color:var(--muted);
  background:color-mix(in srgb,var(--panel) 72%,transparent);
  font-size:.69rem;
  font-weight:444;
  letter-spacing:.07em;
  text-transform:uppercase;
}
.btn{
  min-width:0;
  max-width:100%;
  min-height:48px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.45rem;
  padding:.72rem 1rem;
  border:1px solid var(--line);
  border-radius:var(--radius-small);
  color:var(--text);
  background:var(--panel);
  text-decoration:none;
  text-align:center;
  white-space:normal;
  overflow-wrap:anywhere;
  font-weight:444;
  line-height:1.35;
}
.btn.primary{
  color:#07131d;
  border-color:var(--science);
  background:linear-gradient(180deg,#b9e1da,var(--science));
}
.btn:hover{transform:translateY(-1px);border-color:var(--science)}
.btn[aria-disabled="true"],.btn:disabled{
  cursor:not-allowed;
  opacity:.58;
  transform:none;
}

.online-status{
  width:max-content;
  max-width:100%;
  margin:2rem auto 0;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:.55rem;
  color:var(--muted);
  font-size:.82rem;
}
.status-dot{
  width:.62rem;
  height:.62rem;
  border-radius:50%;
  background:var(--success);
  box-shadow:0 0 0 5px color-mix(in srgb,var(--success) 13%,transparent);
}
.status-dot.offline{background:var(--danger)}

section{padding:4.75rem 0}
.section-head{
  max-width:790px;
  margin:0 auto 2.2rem;
  text-align:center;
}
.section-head h2{
  margin-bottom:.75rem;
  font-size:clamp(2rem,4vw,3.65rem);
}
.section-head p{margin:0;color:var(--muted)}
.card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(145deg,var(--panel),color-mix(in srgb,var(--panel-2) 88%,transparent));
  box-shadow:var(--shadow);
}
.notice{
  padding:1rem;
  border:1px solid color-mix(in srgb,var(--science) 42%,var(--line));
  border-radius:var(--radius-small);
  color:var(--muted);
  background:color-mix(in srgb,var(--science) 6%,var(--panel));
}
.grid{display:grid;gap:1rem}

.course-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 335px;
  gap:1rem;
  align-items:start;
}
.course-main,.course-side{padding:1.35rem}
.course-side{position:sticky;top:92px}
.course-main h2{font-size:clamp(1.8rem,4vw,3rem)}
.course-main p,.course-main li{color:var(--muted)}

.pathway-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:.75rem;
  margin-top:1rem;
}
.pathway{
  padding:1rem;
  border:1px solid var(--line);
  border-radius:var(--radius-small);
  background:var(--bg-soft);
}
.pathway h3{margin-bottom:.35rem;font-size:1.06rem}
.pathway p{margin:0;color:var(--muted);font-size:.83rem}

.field{display:grid;gap:.35rem}
.field label{
  color:var(--muted);
  font-size:.75rem;
  font-weight:444;
  letter-spacing:.07em;
  text-transform:uppercase;
}
.field input,.field select{
  width:100%;
  min-height:46px;
  padding:.67rem .8rem;
  border:1px solid var(--line);
  border-radius:var(--radius-small);
  color:var(--text);
  background:var(--bg-soft);
}
.progress-bar{
  height:12px;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius-small);
  background:var(--bg-soft);
}
.progress-bar span{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--science-deep),var(--science));
}
.progress-text{
  display:flex;
  justify-content:space-between;
  gap:1rem;
  margin:.5rem 0 1rem;
  color:var(--muted);
  font-size:.78rem;
}
.side-actions{display:grid;gap:.55rem}
.side-actions .btn{width:100%}

.domain-grid{grid-template-columns:repeat(4,1fr)}
.domain-card{
  min-height:190px;
  padding:1.2rem;
  border-top:3px solid var(--domain-color,var(--science));
}
.domain-icon{
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  border:1px solid color-mix(in srgb,var(--domain-color,var(--science)) 55%,transparent);
  border-radius:var(--radius-small);
  color:var(--domain-color,var(--science));
  background:color-mix(in srgb,var(--domain-color,var(--science)) 9%,transparent);
  font-family:var(--serif);
  font-weight:444;
}
.domain-card h3{margin:.9rem 0 .4rem;font-size:1.12rem}
.domain-card p{margin:0;color:var(--muted);font-size:.85rem}

.rhythm-grid{grid-template-columns:repeat(5,1fr)}
.rhythm-card{padding:1rem;text-align:center}
.rhythm-number{
  width:46px;
  height:46px;
  margin:0 auto .75rem;
  display:grid;
  place-items:center;
  border:1px solid var(--line);
  border-radius:50%;
  color:var(--science);
  background:var(--bg-soft);
  font-family:var(--serif);
  font-weight:444;
}
.rhythm-card h3{font-size:1rem}
.rhythm-card p{margin:0;color:var(--muted);font-size:.81rem}

.assessment-grid{grid-template-columns:repeat(4,1fr)}
.assessment-card{padding:1.15rem;text-align:center}
.assessment-value{
  display:block;
  margin-bottom:.55rem;
  color:var(--science);
  font:444 2.2rem/1 var(--serif);
}
.assessment-card h3{font-size:1rem}
.assessment-card p{margin:0;color:var(--muted);font-size:.82rem}

.safety-grid{grid-template-columns:repeat(3,1fr)}
.safety-card{padding:1.2rem}
.safety-card h3{margin-bottom:.45rem}
.safety-card p{margin:0;color:var(--muted);font-size:.86rem}
.tier-1{border-top:3px solid var(--success)}
.tier-2{border-top:3px solid var(--energy)}
.tier-3{border-top:3px solid var(--danger)}

.unit-toolbar{
  display:grid;
  grid-template-columns:minmax(220px,1fr) 210px;
  gap:.75rem;
  margin-bottom:1rem;
}
.unit-list{display:grid;gap:.8rem}
.unit-card{
  padding:1.15rem;
  display:grid;
  grid-template-columns:72px minmax(0,1fr) 155px;
  gap:1rem;
  align-items:start;
}
.unit-number{
  width:64px;
  height:64px;
  display:grid;
  place-items:center;
  border:1px solid var(--line);
  border-radius:50%;
  color:var(--science);
  background:var(--bg-soft);
  font:444 1.2rem/1 var(--serif);
}
.unit-card h3{margin:0 0 .32rem;font-size:1.23rem}
.unit-card p{margin:0;color:var(--muted);font-size:.86rem}
.unit-objectives{
  display:flex;
  flex-wrap:wrap;
  gap:.34rem;
  margin-top:.65rem;
}
.unit-objectives span{
  padding:.24rem .46rem;
  border:1px solid var(--line);
  border-radius:var(--radius-small);
  color:var(--muted);
  font-size:.66rem;
}
.unit-actions{
  min-width:0;
  display:grid;
  gap:.48rem;
}
.unit-actions .btn{min-height:40px;padding:.52rem .65rem;font-size:.75rem}
.status-open{color:var(--success)}
.status-planned{color:var(--energy)}
.status-complete{color:var(--science)}
.empty-state{
  padding:1.5rem;
  border:1px dashed var(--line);
  border-radius:var(--radius-small);
  color:var(--muted);
  text-align:center;
}

.document-grid{grid-template-columns:repeat(3,1fr)}
.document-card{
  min-height:185px;
  padding:1.2rem;
  display:flex;
  flex-direction:column;
  text-decoration:none;
}
.document-card:hover{border-color:var(--science)}
.document-card h3{font-size:1.1rem}
.document-card p{margin:0;color:var(--muted);font-size:.84rem}
.document-card span{
  margin-top:auto;
  padding-top:1rem;
  color:var(--science);
  font-size:.72rem;
  letter-spacing:.06em;
  text-transform:uppercase;
}

.footer{
  padding:2.6rem 0;
  border-top:1px solid var(--line);
  color:var(--muted);
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:1rem;
  flex-wrap:wrap;
}
.footer-links{display:flex;gap:1rem;flex-wrap:wrap}
.footer a{text-underline-offset:.22em}

.toast{
  position:fixed;
  z-index:1000;
  right:1rem;
  bottom:1rem;
  max-width:min(390px,calc(100% - 2rem));
  padding:.85rem 1rem;
  border:1px solid var(--line);
  border-radius:var(--radius-small);
  color:var(--text);
  background:var(--panel-3);
  box-shadow:var(--shadow);
}

dialog{
  width:min(620px,calc(100% - 2rem));
  padding:0;
  border:1px solid var(--line);
  border-radius:var(--radius);
  color:var(--text);
  background:var(--panel);
  box-shadow:var(--shadow);
}
dialog::backdrop{background:rgba(0,0,0,.72);backdrop-filter:blur(4px)}
.dialog-body{padding:1.4rem}
.dialog-body h2{font-size:2rem}
.dialog-actions{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:.6rem;
  margin-top:1rem;
}

@media(max-width:1050px){
  .domain-grid{grid-template-columns:repeat(2,1fr)}
  .rhythm-grid{grid-template-columns:repeat(3,1fr)}
  .assessment-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .course-layout{grid-template-columns:1fr}
  .course-side{position:static}
  .unit-card{grid-template-columns:64px minmax(0,1fr)}
  .unit-actions{grid-column:1/-1;grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  body{font-size:16px}
  .brand-copy small{display:none}
  .header-actions .secondary{display:none}
  .pathway-row,.safety-grid,.document-grid{grid-template-columns:1fr}
  .rhythm-grid{grid-template-columns:repeat(2,1fr)}
  .unit-toolbar{grid-template-columns:1fr}
}
@media(max-width:560px){
  .wrap{width:min(100% - 1.15rem,var(--max))}
  .domain-grid,.assessment-grid,.rhythm-grid{grid-template-columns:1fr}
  .unit-card{grid-template-columns:52px minmax(0,1fr);padding:1rem}
  .unit-number{width:48px;height:48px}
  .unit-actions{grid-template-columns:1fr}
  .header-inner{gap:.5rem}
  .brand-copy strong{font-size:.78rem}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    scroll-behavior:auto!important;
    transition:none!important;
    animation:none!important;
  }
}
@media print{
  .site-header,.course-breadcrumb,.actions,.course-side,.unit-toolbar,.footer,.no-print,.toast{display:none!important}
  body{color:#111;background:#fff;font-size:11pt}
  .wrap{width:100%}
  .card,.pathway,.unit-card,.domain-card,.rhythm-card,.assessment-card,.safety-card,.document-card{
    color:#111;
    background:#fff;
    border-color:#777;
    box-shadow:none;
    break-inside:avoid;
  }
  p,.unit-card p,.domain-card p,.rhythm-card p,.assessment-card p,.safety-card p{color:#222}
}