:root{--blue:#165DFF;--navy:#0f172a;--muted:#64748b;--bg:#f6f8fc;--card:#fff;--border:#e2e8f0}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:#172033}
a{text-decoration:none;color:inherit}.container{width:min(1120px,92%);margin:auto}.nav{height:74px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;position:sticky;top:0;z-index:20}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:16px}.brand img{height:40px;max-width:250px;object-fit:contain}
.links{display:flex;gap:20px;font-size:14px;align-items:center}.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 18px;border:0;border-radius:10px;font-weight:700;cursor:pointer}
.btn-primary{background:var(--blue);color:#fff}.btn-soft{background:#eef4ff;color:#174fbf}.btn-danger{background:#fee2e2;color:#991b1b}
.hero{background:linear-gradient(135deg,#1957dd,#0b1d47);color:#fff;padding:78px 0;text-align:center}.hero h1{font-size:46px;margin:8px 0}.hero p{max-width:720px;margin:10px auto 25px;opacity:.9}
.section{padding:58px 0}.section h2{text-align:center;font-size:28px;margin-bottom:10px}.lead{text-align:center;color:var(--muted);max-width:760px;margin:0 auto 34px}
.grid{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:0 8px 30px rgba(15,23,42,.05)}
.card h3{margin-top:0}.muted{color:var(--muted)}.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.gallery img{width:100%;height:190px;object-fit:cover;border-radius:14px}
.form-card{max-width:720px;margin:45px auto;background:#fff;border-radius:18px;box-shadow:0 18px 60px rgba(15,23,42,.12);overflow:hidden}.form-head{padding:28px;background:linear-gradient(135deg,#1764ff,#4935e8);color:white;text-align:center}
.form-body{padding:30px}.field{margin-bottom:16px}.field label{display:block;font-size:14px;font-weight:700;margin-bottom:7px}.input,select,textarea{width:100%;padding:12px 13px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;font:inherit}.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.alert{padding:12px 16px;border-radius:10px;margin:12px 0}.success{background:#dcfce7;color:#166534}.error{background:#fee2e2;color:#991b1b}.warning{background:#fef3c7;color:#92400e}
.table-wrap{overflow:auto;background:#fff;border-radius:14px;border:1px solid var(--border)}table{border-collapse:collapse;width:100%}th,td{padding:13px 15px;border-bottom:1px solid var(--border);text-align:left;white-space:nowrap}th{background:#f8fafc}
.footer{background:#0f172a;color:#cbd5e1;padding:42px 0;margin-top:60px}.footer strong{color:#fff}
.adminbar{background:#111827;color:#fff;padding:14px 0}.adminbar .container{display:flex;gap:18px;align-items:center;justify-content:space-between}.adminlinks{display:flex;gap:16px;flex-wrap:wrap}
.metric{font-size:34px;font-weight:800;color:#165DFF}.pill{display:inline-block;padding:5px 9px;border-radius:99px;font-size:12px;font-weight:700;background:#e0e7ff;color:#3730a3}.pill-green{background:#dcfce7;color:#166534}
.criteria-row{display:grid;grid-template-columns:1fr 120px;gap:10px;margin-bottom:8px}
.eval-row{padding:16px 0;border-bottom:1px solid var(--border)}.options{display:flex;gap:12px;flex-wrap:wrap;margin-top:10px}
@media(max-width:850px){.links{display:none}.grid-3,.grid-4,.gallery{grid-template-columns:1fr 1fr}.row{grid-template-columns:1fr}.hero h1{font-size:36px}}
@media(max-width:540px){.grid-3,.grid-4,.gallery{grid-template-columns:1fr}.gallery img{height:230px}.criteria-row{grid-template-columns:1fr}}

.rules-stack{display:grid;gap:22px}
.rule-card{display:grid;grid-template-columns:48px 1fr;gap:18px;background:#f8fafc;border:1px solid #dbe3ee;border-radius:16px;padding:24px 28px}
.rule-card h3{margin:0 0 10px;font-size:18px;color:#111827}
.rule-icon{font-size:28px;line-height:1}
.rule-list{margin:0;padding-left:21px;color:#475569;line-height:1.72}
.rule-list li{margin:7px 0}
.participant-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px}
.participant-limit{background:#eef6ff;border:1px solid #a9ccff;border-radius:13px;text-align:center;padding:18px 12px;color:#1e293b}
.participant-limit strong{display:block;color:#165DFF;margin-top:6px;font-size:17px}
.limit-icon{font-size:24px;margin-bottom:8px}
@media(max-width:760px){.rule-card{grid-template-columns:1fr;padding:20px}.participant-cards{grid-template-columns:1fr}}


.instruments-section{background:#f8fafc}
.instrument-public-grid{max-width:1020px;margin:0 auto}
.instrument-public-card{display:flex;flex-direction:column;min-height:305px;padding:28px}
.instrument-public-card h3{font-size:20px;margin:12px 0 8px}
.instrument-public-card p{line-height:1.65;flex:1}
.instrument-icon{font-size:34px}
.instrument-download{width:100%;margin-top:20px}


.resources-section{background:#fff}
.resources-grid{max-width:1120px;margin:0 auto}
.resource-card{display:flex;flex-direction:column;min-height:445px;padding:30px}
.resource-card h3{font-size:21px;margin:18px 0 10px;color:#111827}
.resource-card p{line-height:1.7;font-size:17px}
.resource-icon{width:60px;height:60px;border-radius:15px;display:flex;align-items:center;justify-content:center;font-size:29px}
.resource-icon-blue{background:#dbeafe;color:#165DFF}
.resource-icon-purple{background:#e0e7ff;color:#5b35f5}
.resource-icon-green{background:#dcfce7;color:#16a34a}
.resource-action{width:100%;margin-top:auto}
.resource-purple{background:#5b35f5;color:#fff}
.resource-green{background:#06b63b;color:#fff}
.resource-disabled{opacity:.65;cursor:not-allowed}
.classroom-list{list-style:none;padding:0;margin:2px 0 22px;color:#334155;font-size:16px;line-height:1.65}
.classroom-list li{position:relative;padding-left:23px;margin:8px 0}
.classroom-list li:before{content:"";position:absolute;left:0;top:.65em;width:10px;height:10px;background:#06c755;border-radius:50%}
@media(max-width:850px){.resource-card{min-height:auto}.resource-action{margin-top:20px}}

.classroom-links{display:grid;gap:10px;margin:8px 0 0}
.classroom-course{background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:11px 12px}
.classroom-course>span:first-child{display:block;font-weight:600;color:#334155;margin-bottom:5px}
.classroom-course a{color:#059669;font-weight:700;text-decoration:none;font-size:14px}
.classroom-course a:hover{text-decoration:underline}
.classroom-pending{display:inline-block;color:#94a3b8;font-size:14px;font-weight:600}

.criterion-editor{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:14px;margin-bottom:14px}
.criterion-image-wrap{margin:14px 0 4px}
.criterion-image{display:block;max-width:520px;max-height:320px;width:auto;height:auto;border-radius:12px;border:1px solid #dbe3ee;object-fit:contain;background:#fff}
.criterion-admin-image{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:10px 0}
.criterion-admin-image img{width:120px;height:85px;object-fit:contain;border:1px solid #e2e8f0;border-radius:8px;background:#fff}
.remove-criterion{display:block;margin-top:10px;color:#b91c1c;font-weight:700}
@media(max-width:650px){.criterion-image{max-width:100%;height:auto}}


/* ===== CUMULATIVE RESPONSIVE NAV + GALLERY v23 ===== */
.mobile-menu,.admin-mobile-menu{display:none;margin-left:auto;position:relative;flex:0 0 auto}
.mobile-menu-toggle,.admin-menu-toggle{display:none;width:44px;height:44px;border-radius:10px;padding:0;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.mobile-menu-toggle{border:1px solid #dbe3ee;background:#fff}
.admin-menu-toggle{border:1px solid #374151;background:#1f2937}
.menu-icon-line,.admin-menu-line{display:block;width:23px;height:2px;border-radius:999px}
.menu-icon-line{background:#172033}.admin-menu-line{background:#fff}
.mobile-menu-panel[hidden],.admin-mobile-panel[hidden]{display:none!important}
.adminbar{position:sticky;top:0;z-index:11000;background:#111827;color:#fff;padding:0}
.adminbar-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.panel-title{display:flex;align-items:center;gap:5px}
.desktop-admin-nav{display:flex;align-items:center;gap:14px;flex-wrap:nowrap}
.desktop-admin-nav a{color:#fff;white-space:nowrap}
.gallery-admin-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.gallery-admin-preview{width:100%;aspect-ratio:16/10;overflow:hidden;border-radius:12px;border:1px solid #e2e8f0;background:#f8fafc;margin-bottom:16px}
.gallery-admin-preview img{display:block;width:100%;height:100%;object-fit:cover}

@media(max-width:1024px){
 .desktop-nav,.desktop-admin-nav{display:none!important}
 .mobile-menu,.admin-mobile-menu{display:block!important}
 .mobile-menu-toggle,.admin-menu-toggle{display:flex!important}
 .nav{height:72px;min-height:72px;padding:0;z-index:10000}
 .nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:12px}
 .brand{flex:1 1 auto;min-width:0;overflow:hidden}
 .brand img{height:34px;width:auto;max-width:165px;object-fit:contain}
 .brand .brand-secondary{height:26px!important;max-width:115px}
 .mobile-menu-panel,.admin-mobile-panel{position:fixed;left:0;right:0;width:100%;overflow-y:auto;padding:12px 16px 18px;display:grid;grid-template-columns:1fr;gap:3px}
 .mobile-menu-panel{top:72px;max-height:calc(100vh - 72px);background:#fff;border-top:1px solid #e2e8f0;z-index:10005}
 .admin-mobile-panel{top:64px;max-height:calc(100vh - 64px);background:#111827;border-top:1px solid #374151;z-index:11005}
 .mobile-menu-panel a,.admin-mobile-panel a{display:block;width:100%;padding:12px 14px;border-radius:9px;font-size:16px;font-weight:600}
 .mobile-menu-panel a{color:#172033}.admin-mobile-panel a{color:#f8fafc}
 .adminbar-inner{min-height:64px}
 .panel-title{display:block}.panel-title strong{display:block}.panel-title span{display:block;color:#cbd5e1;font-size:13px}
 .gallery-admin-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media(max-width:650px){
 .gallery-admin-grid{grid-template-columns:1fr}
}

@media(max-width:600px){
 .nav,.nav-inner{height:68px;min-height:68px}
 .brand img{height:30px;max-width:135px}
 .brand .brand-secondary{height:23px!important;max-width:95px}
 .mobile-menu-panel{top:68px;max-height:calc(100vh - 68px)}
 .adminbar-inner{min-height:60px}
 .admin-mobile-panel{top:60px;max-height:calc(100vh - 60px)}
 .mobile-menu-toggle,.admin-menu-toggle{width:42px;height:42px}
}