/* Minimal, clean form styles */
.nsg-student-share-form{max-width:720px;margin:24px auto;padding:16px;border:1px solid #e5e7eb;border-radius:12px;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.nsg-student-share-form .nsg-row{display:flex;flex-direction:column;margin-bottom:14px}
.nsg-student-share-form label{font-weight:600;margin-bottom:6px}
.nsg-student-share-form input[type="text"],
.nsg-student-share-form select,
.nsg-student-share-form input[type="file"]{padding:10px;border:1px solid #d1d5db;border-radius:8px}
.nsg-student-share-form button{padding:10px 16px;border:0;border-radius:10px;font-weight:700;cursor:pointer;background:#10b981;color:#fff}
.nsg-student-share-form button:hover{opacity:.9}
.nsg-ss-notice{position:fixed;left:50%;transform:translateX(-50%);bottom:24px;background:#111827;color:#fff;padding:12px 16px;border-radius:10px;z-index:9999}
.nsg-ss-success{background:#047857}
.nsg-ss-error{background:#b91c1c}