/* EDU 5120 C3 Inquiry Studio workspace visual alignment
   Keeps the existing React/PHP functionality while matching the four C3 dimension pages. */
:root{
  --ws-navy:#17365d;
  --ws-blue:#244f77;
  --ws-green:#315f5a;
  --ws-paper:#f4f1e8;
  --ws-gold:#d6a23d;
  --ws-ink:#24303a;
  --ws-line:#d8dee6;
  --ws-soft:#f7f9fb;
}
body.c3-workspace{
  background:var(--ws-paper);
  color:var(--ws-ink);
}
body.c3-workspace .topbar{
  background:#fff;
  border-bottom:1px solid var(--ws-line);
  box-shadow:0 2px 14px rgba(23,54,93,.06);
}
body.c3-workspace .brand{color:var(--ws-navy)}
body.c3-workspace .brand-icon{background:var(--ws-navy);color:#fff}
body.c3-workspace .topmeta{color:#62717e}
body.c3-workspace .topmeta span{border-color:#cfd8df;color:var(--ws-navy);background:#f6f9fb}
body.c3-workspace .quiet:hover,
body.c3-workspace .iconbtn:hover{background:#eef3f6}
body.c3-workspace .session-pill span{background:var(--ws-green)}
body.c3-workspace .shell{max-width:1600px}
body.c3-workspace .sidebar{
  background:#f7f4ec;
  border-right:1px solid #d8d5cb;
}
body.c3-workspace .side-label,
body.c3-workspace .eyebrow{color:#6d7b86}
body.c3-workspace .stage:hover,
body.c3-workspace .side-link:hover,
body.c3-workspace .side-link.chosen{background:#e8eef2}
body.c3-workspace .stage.active{background:#e7eef4;color:var(--ws-navy)}
body.c3-workspace .stage.active .step-num{background:var(--ws-navy);border-color:var(--ws-navy);color:#fff}
body.c3-workspace .step-num{border-color:#c9d3db;color:#647482}
body.c3-workspace .d2-nav{border-left-color:#c9d3db}
body.c3-workspace .d2-stage.active{background:#e7eef4;color:var(--ws-navy)}
body.c3-workspace .timer,
body.c3-workspace .workspace-strip{
  background:#fff;
  border-color:var(--ws-line);
}
body.c3-workspace main{padding-top:30px}
body.c3-workspace .breadcrumb{color:#697784}
body.c3-workspace .hero{
  background:linear-gradient(135deg,var(--ws-navy) 0%,var(--ws-blue) 62%,var(--ws-green) 100%);
  margin:-30px -47px 34px;
  padding:42px 47px 38px;
  color:#fff;
  align-items:center;
}
body.c3-workspace .hero h1,
body.c3-workspace .hero em{color:#fff}
body.c3-workspace .hero .eyebrow{color:#f3c57b}
body.c3-workspace .hero .tiny-line{background:#f3c57b}
body.c3-workspace .lead,
body.c3-workspace .hero-description{color:#eef5fb}
body.c3-workspace .hero-note{color:#dce8f1}
body.c3-workspace .map-caption{color:#dce8f1}
body.c3-workspace .question-card,
body.c3-workspace .lens-card,
body.c3-workspace .resource-card,
body.c3-workspace .packet-card,
body.c3-workspace .editor,
body.c3-workspace .cycle-card,
body.c3-workspace .preparation-summary{
  background:#fff;
  border-color:var(--ws-line);
  box-shadow:0 8px 28px rgba(22,41,58,.06);
  border-radius:14px;
}
body.c3-workspace .question-card h2,
body.c3-workspace .section-heading h2,
body.c3-workspace .section-heading h3,
body.c3-workspace .page-heading h1,
body.c3-workspace .editor h2,
body.c3-workspace .packet-card h2{color:var(--ws-navy)}
body.c3-workspace .question-card p,
body.c3-workspace .page-heading p,
body.c3-workspace .lens-card p{color:#5f6d78}
body.c3-workspace .primary{background:var(--ws-navy);border-color:var(--ws-navy);color:#fff}
body.c3-workspace .primary:hover{background:#0f2948}
body.c3-workspace .secondary{background:#fff;border-color:#c7d2dc;color:var(--ws-navy)}
body.c3-workspace .secondary:hover{background:#eef3f6}
body.c3-workspace input,
body.c3-workspace textarea,
body.c3-workspace select{border-color:#bdc9d3;color:var(--ws-ink);background:#fff}
body.c3-workspace input:focus,
body.c3-workspace textarea:focus,
body.c3-workspace select:focus{border-color:var(--ws-blue);box-shadow:0 0 0 3px rgba(36,79,119,.12)}
body.c3-workspace .session-box,
body.c3-workspace .mode-banner,
body.c3-workspace .class-release{
  background:#eef5ec;
  border-color:#cfddca;
}
body.c3-workspace .workspace-strip{box-shadow:0 4px 14px rgba(22,41,58,.04)}
body.c3-workspace .cloud-state{color:#3d735b}
body.c3-workspace .editor-head{background:#f5f8fa;border-color:var(--ws-line)}
body.c3-workspace .fields{background:#fff}
body.c3-workspace .tip,
body.c3-workspace .expert-product{background:#fff8e8;border-color:#ead59f;color:#4d4638}
body.c3-workspace .next-step,
body.c3-workspace .invite-card{background:#eef5ec;border-color:#cbdcc7}
body.c3-workspace .tabs button.active{background:var(--ws-navy);color:#fff}
body.c3-workspace .lens-card:hover{border-color:#8fa8bb;box-shadow:0 10px 28px rgba(23,54,93,.10)}
body.c3-workspace .lens-arrow,
body.c3-workspace .text-button{color:var(--ws-blue)}
body.c3-workspace .cycle-number{background:#e8eff4;border-color:#cedae3;color:var(--ws-navy)}
body.c3-workspace .mode-chip{background:#eef3f6;color:#5a6f81}
body.c3-workspace .cycle-status{color:var(--ws-green)}
body.c3-workspace .source-to-claim>div{background:#eef5ec;border-color:#cbdcc7}
body.c3-workspace .source-to-claim strong{color:var(--ws-green)}
body.c3-workspace .stats>div{background:#fff;border-color:var(--ws-line)}
body.c3-workspace .class-code{color:var(--ws-navy)}
body.c3-workspace footer{border-color:var(--ws-line);color:#6f7d88}
body.c3-workspace .course-home-link{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:25;
  background:var(--ws-navy);
  color:#fff;
  text-decoration:none;
  padding:10px 14px;
  border-radius:9px;
  box-shadow:0 8px 24px rgba(23,54,93,.22);
  font:700 12px/1.2 Arial,sans-serif;
}
body.c3-workspace .course-home-link:hover{background:#0f2948}
@media(max-width:800px){
  body.c3-workspace .hero{margin:-22px -22px 28px;padding:32px 22px 30px}
}
@media(max-width:560px){
  body.c3-workspace .hero{margin:-22px -22px 24px;padding:28px 22px 26px}
  body.c3-workspace .course-home-link{right:10px;bottom:10px;padding:9px 11px}
}
@media print{body.c3-workspace .course-home-link{display:none!important}}

.teacher-guide-link{position:fixed;right:1rem;top:1rem;z-index:9999;background:#f3c57b;color:#17365d;text-decoration:none;font-weight:800;padding:.62rem .9rem;border-radius:999px;box-shadow:0 6px 18px rgba(23,54,93,.18);border:1px solid rgba(23,54,93,.18)}
.teacher-guide-link:hover,.teacher-guide-link:focus{background:#fff3cf;color:#17365d}
@media(max-width:720px){.teacher-guide-link{top:auto;bottom:1rem;right:1rem;font-size:.88rem}}

/* Instructor-only participant/session management */
.c3-instructor-tools{max-width:1180px;margin:14px auto 0;padding:0 18px;position:relative;z-index:20}
.c3-instructor-tools[hidden]{display:none!important}
.c3-instructor-tools details{background:#fff;border:1px solid #d9e1e8;border-radius:14px;box-shadow:0 8px 22px rgba(21,45,70,.08);overflow:hidden}
.c3-instructor-tools summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 18px;color:#17365d;background:#f7f9fb}
.c3-instructor-tools summary::-webkit-details-marker{display:none}
.c3-instructor-tools summary span:first-child{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.c3-instructor-tools summary small{font-weight:500;color:#5f6f7d}
.c3-admin-body{padding:18px}
.c3-admin-row{display:grid;grid-template-columns:auto minmax(220px,1fr) auto;align-items:end;gap:10px}
.c3-admin-row label{font-weight:700;color:#17365d}
.c3-admin-row select{width:100%;padding:10px 12px;border:1px solid #b9c5cf;border-radius:8px;background:#fff;color:#24303a}
.c3-admin-row button,.c3-remove-student{padding:9px 12px;border:1px solid #7890a4;border-radius:8px;background:#fff;color:#17365d;font-weight:700;cursor:pointer}
.c3-admin-status{min-height:1.5em;margin:10px 0;color:#526270}
.c3-admin-status.error{color:#8a1f1f}.c3-admin-status.success{color:#2f6b3d}
.c3-admin-session-card{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:16px;border:1px solid #d9e1e8;border-radius:10px;background:#f9fbfc}
.c3-admin-session-card h3{margin:3px 0 5px;color:#17365d}.c3-admin-session-card p{margin:0}
.c3-admin-label{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:#6a7a87;font-weight:800}
.c3-admin-danger{padding:10px 13px;border:1px solid #a63b3b;border-radius:8px;background:#fff;color:#8a1f1f;font-weight:800;cursor:pointer;white-space:nowrap}
.c3-admin-danger:hover{background:#fff2f2}
.c3-admin-note{margin:12px 0;padding:12px 14px;border-left:4px solid #d6a23d;background:#fff8e8;border-radius:8px;color:#3f4850}
.c3-admin-participants h3{color:#17365d;margin:18px 0 8px}
.c3-admin-table-wrap{overflow-x:auto;border:1px solid #d9e1e8;border-radius:10px}
.c3-admin-participants table{width:100%;border-collapse:collapse;background:#fff}
.c3-admin-participants th,.c3-admin-participants td{padding:10px 12px;text-align:left;border-bottom:1px solid #e6ebef;white-space:nowrap}
.c3-admin-participants th{background:#f4f7f9;color:#17365d;font-size:.85rem}
.c3-admin-participants tr:last-child td{border-bottom:0}.c3-remove-student{font-size:.82rem}
.c3-admin-empty{color:#62717e;font-style:italic}
@media(max-width:700px){.c3-admin-row{grid-template-columns:1fr}.c3-admin-session-card{align-items:flex-start;flex-direction:column}.c3-admin-danger{width:100%}}

.c3-admin-guide-row{display:flex;justify-content:flex-end;margin:-2px 0 12px}
.c3-admin-guide-link{display:inline-block;padding:9px 12px;border-radius:8px;background:#17365d;color:#fff!important;text-decoration:none;font-weight:800;font-size:.82rem}
.c3-admin-guide-link:hover,.c3-admin-guide-link:focus{background:#0f2948}