:root{--blue:#2E6BA3;--green:#1E7A4C;--ink:#1F2430;--muted:#5A6270;--bg:#FAFAF8;--surface:#fff;--border:#E4E6EA;--soft:#F0F7FF;--radius:16px;--max:1180px;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--heading:"Montserrat",var(--font)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);line-height:1.55}a{color:var(--blue)}button,select,input{font:inherit}
.header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}.header-inner{max-width:var(--max);margin:auto;padding:13px 20px;display:flex;justify-content:space-between;gap:16px;align-items:center}.brand{font-family:var(--heading);font-weight:700;text-decoration:none;color:var(--ink);font-size:.98rem}.lang{display:flex;gap:4px;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:3px}.lang button{border:0;background:transparent;border-radius:6px;padding:5px 10px;cursor:pointer;font-weight:700;color:var(--muted)}.lang button.active{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.08)}
main{max-width:var(--max);margin:auto;padding:28px 20px 68px}.back{text-decoration:none;font-weight:700;font-size:.9rem}.hero{margin-top:17px;background:linear-gradient(135deg,#EAF6F0,#EAF1FB 60%,#F3EEFB);border:1px solid var(--border);border-radius:22px;padding:30px}.hero h1{font-family:var(--heading);margin:0 0 10px;font-size:clamp(1.72rem,4vw,2.45rem);line-height:1.2}.hero p{max-width:900px;color:var(--muted);margin:8px 0}.notice{margin-top:16px;background:#fff;border-left:4px solid var(--green);padding:13px 15px;border-radius:8px;font-size:.92rem}.notice strong{color:#14532d}.stats{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.stat{background:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.95);border-radius:999px;padding:6px 11px;font-size:.82rem;font-weight:750}
.browse{margin:26px 0 14px;padding:18px;background:#fff;border:1px solid var(--border);border-radius:16px}.browse-title{font-family:var(--heading);font-size:1rem;font-weight:800;margin:0 0 12px}.filter-grid{display:grid;grid-template-columns:minmax(220px,1.4fr) minmax(170px,.7fr) minmax(190px,.8fr);gap:10px}.search,.select{width:100%;padding:11px 13px;border:1px solid #cfd4dc;border-radius:10px;background:#fff;color:var(--ink)}.filter-label{display:block;font-size:.72rem;font-weight:800;color:#64748b;margin:0 0 5px;text-transform:uppercase;letter-spacing:.04em}.subject-wrap{margin-top:14px}.filters{display:flex;gap:8px;flex-wrap:wrap}.filter{border:1px solid var(--border);background:#fff;padding:8px 12px;border-radius:999px;cursor:pointer;font-weight:700;color:var(--ink);font-size:.88rem}.filter.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.curriculum-note{margin-top:13px;padding-top:12px;border-top:1px solid var(--border);color:#64748b;font-size:.82rem}.curriculum-note a{font-weight:700}
.meta-row{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:.9rem;margin:15px 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(285px,1fr));gap:16px}.card{overflow:hidden;background:#fff;border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;min-height:450px;box-shadow:0 1px 2px rgba(0,0,0,.03);transition:box-shadow .18s ease,transform .18s ease}.card[hidden]{display:none!important}.card:hover{box-shadow:0 8px 28px rgba(25,40,70,.08);transform:translateY(-2px)}.art{height:180px;background:#f4f7f9;position:relative;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--border);overflow:hidden}.art img{width:100%;height:100%;object-fit:contain;background:#fff}.image-credit{position:absolute;left:7px;bottom:7px;max-width:calc(100% - 14px);background:rgba(15,23,42,.84);color:#fff;text-decoration:none;font-size:.66rem;padding:4px 7px;border-radius:5px;line-height:1.25}.card-body{padding:17px 18px 18px;display:flex;flex:1;flex-direction:column}.subject{font-size:.74rem;font-weight:800;color:var(--green);text-transform:uppercase;letter-spacing:.03em}.card h2{font-family:var(--heading);font-size:1.12rem;margin:7px 0 8px}.grade-tags{display:flex;gap:5px;flex-wrap:wrap;margin:0 0 11px}.grade-tag{display:inline-flex;padding:4px 7px;border-radius:999px;background:#eff6ff;border:1px solid #dbeafe;color:#1e40af;font-size:.7rem;font-weight:800}.desc{color:var(--muted);margin:0 0 15px}.iep-box{margin-top:auto;border-top:1px solid var(--border);padding-top:13px}.iep-label{font-size:.73rem;font-weight:800;text-transform:uppercase;color:#475569;margin:0}.iep-source{font-size:.81rem;color:var(--muted);margin:3px 0 10px}.btn{display:flex;align-items:center;justify-content:center;text-align:center;background:var(--blue);color:#fff;text-decoration:none;font-weight:800;border-radius:9px;padding:10px 12px}.btn:hover{filter:brightness(.94)}.source-page{display:inline-block;margin-top:8px;font-size:.78rem;color:var(--muted)}.verified{font-size:.71rem;color:var(--green);font-weight:750;margin-top:8px}.empty{display:none;padding:32px;border:1px dashed var(--border);background:#fff;border-radius:14px;text-align:center;color:var(--muted)}
.rights{margin-top:34px;padding:18px;background:#fff;border:1px solid var(--border);border-radius:14px;color:var(--muted);font-size:.86rem}.rights strong{color:var(--ink)}.rights p{margin:5px 0}.footer-nav{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px;font-size:.87rem}.footer-nav a{font-weight:700;text-decoration:none}
body.lang-en [data-lang="el"]{display:none!important}body:not(.lang-en) [data-lang="en"]{display:none!important}
@media(max-width:820px){.filter-grid{grid-template-columns:1fr 1fr}.search-block{grid-column:1/-1}.hero{padding:22px}.header-inner{padding:10px 14px}.brand{font-size:.86rem}}
@media(max-width:590px){main{padding-left:14px;padding-right:14px}.filter-grid{grid-template-columns:1fr}.search-block{grid-column:auto}.grid{grid-template-columns:1fr}.art{height:195px}.browse{padding:14px}.meta-row{flex-direction:column;gap:3px}.hero{padding:20px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}