.sf-wrap{max-width:700px;margin:0 auto;font-family:"Nunito","Segoe UI",Arial,sans-serif;}
.sf-header{background:#0d1b3e;border-radius:16px 16px 0 0;padding:24px;display:flex;align-items:center;gap:16px;}
.sf-logo{font-size:36px;background:#fbbf24;width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.sf-title{color:#fff;font-size:1.1rem;font-weight:800;margin:0;}
.sf-subtitle{color:#fbbf24;font-size:0.78rem;margin:4px 0 0;}
.sf-info-box{background:#eff6ff;border:1.5px solid #bfdbfe;border-left:4px solid #1a4ec7;padding:12px 16px;font-size:0.82rem;color:#1e40af;line-height:1.6;}
.sf-section{background:#fff;border:1.5px solid #e2e8f0;border-top:none;padding:20px 24px;}
.sf-section-title{font-size:.95rem;font-weight:800;color:#0d1b3e;margin-bottom:14px;padding-bottom:8px;border-bottom:2px solid #f1f5f9;}
.sf-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.sf-field{display:flex;flex-direction:column;gap:4px;}
.sf-full{grid-column:1/-1;}
.sf-field label{font-size:.75rem;font-weight:700;color:#64748b;text-transform:uppercase;letter-spacing:.5px;}
.sf-req{color:#ef4444;}
.sf-field input,.sf-field select{border:1.5px solid #e2e8f0;border-radius:10px;padding:10px 14px;font-family:inherit;font-size:.88rem;color:#0d1b3e;outline:none;transition:border-color .2s,box-shadow .2s;width:100%;box-sizing:border-box;}
.sf-field input:focus,.sf-field select:focus{border-color:#1a4ec7;box-shadow:0 0 0 3px rgba(26,78,199,.1);}
.sf-final-check{display:flex;align-items:flex-start;gap:10px;background:#f0fdf4;border:1.5px solid #bbf7d0;border-radius:10px;padding:12px;cursor:pointer;font-size:.82rem;color:#065f46;font-weight:600;}
.sf-final-check input{width:18px;height:18px;accent-color:#10b981;flex-shrink:0;margin-top:2px;cursor:pointer;}
.sf-submit-wrap{background:#fff;border:1.5px solid #e2e8f0;border-top:none;border-radius:0 0 16px 16px;padding:20px;text-align:center;}
.sf-btn-submit{background:#0d1b3e;color:#fbbf24;border:none;border-radius:12px;padding:14px 40px;font-family:inherit;font-size:1rem;font-weight:800;cursor:pointer;transition:background .2s,transform .1s;}
.sf-btn-submit:hover{background:#1e3a8a;transform:translateY(-1px);}
.sf-submit-note{font-size:.75rem;color:#64748b;margin-top:8px;}
.sf-success{background:#f0fdf4;border:2px solid #10b981;border-radius:12px;padding:28px;text-align:center;margin:20px 0;}
.sf-success-icon{font-size:48px;margin-bottom:10px;}
.sf-success h3{color:#065f46;font-size:1.2rem;font-weight:800;margin-bottom:8px;}
.sf-success p{color:#374151;font-size:.88rem;}
.sf-error{background:#fef2f2;border:1.5px solid #fecaca;border-radius:10px;padding:12px 16px;color:#991b1b;font-size:.84rem;margin-top:12px;}
.sas-note{font-size:.8rem;color:#64748b;margin-bottom:12px;font-style:italic;}
/* Κλειστή φόρμα */
.sas-closed{background:#fef2f2;border:2px solid #fecaca;border-radius:0 0 16px 16px;padding:32px;text-align:center;color:#991b1b;}
.sas-closed h3{font-size:1.1rem;font-weight:800;margin:0 0 8px;}
.sas-closed p{font-size:.85rem;margin:6px 0;}
/* Κάρτες τάξης */
.sl2-grade-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:6px;}
.sl2-grade-card{cursor:pointer;display:block;}
.sl2-grade-card input{display:none;}
.sl2-grade-inner{border:2.5px solid #e2e8f0;border-radius:14px;padding:16px;text-align:center;transition:all .2s;background:#f8fafc;}
.sl2-grade-card input:checked + .sl2-grade-inner{border-color:#0d1b3e;background:#f0f4ff;box-shadow:0 0 0 3px rgba(13,27,62,.12);}
.sl2-grade-card:hover .sl2-grade-inner{border-color:#93c5fd;background:#f0f9ff;}
.sl2-grade-arrow{font-size:1.2rem;font-weight:900;color:#0d1b3e;margin-bottom:4px;}
.sl2-grade-sub{font-size:.74rem;color:#64748b;}
/* Επιλογή γλώσσας */
.sl2-lang-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:12px;}
.sl2-lang-card{cursor:pointer;display:block;}
.sl2-lang-card input{display:none;}
.sl2-lang-inner{border:2.5px solid #e2e8f0;border-radius:16px;padding:28px 20px;text-align:center;transition:all .25s;background:#f8fafc;}
.sl2-lang-card input:checked + .sl2-lang-inner{border-color:#1a4ec7;background:#eff6ff;box-shadow:0 0 0 4px rgba(26,78,199,.12);}
.sl2-lang-card:hover .sl2-lang-inner{border-color:#93c5fd;background:#f0f9ff;}
.sl2-lang-flag{font-size:52px;margin-bottom:12px;line-height:1;}
.sl2-lang-title{font-size:1rem;font-weight:800;color:#0d1b3e;margin-bottom:4px;}
.sl2-lang-sub{font-size:.82rem;color:#64748b;font-style:italic;}
@media(max-width:540px){.sf-grid-2,.sl2-lang-grid{grid-template-columns:1fr;}}