.vedda-login,.vedda-card,.vedda-student{max-width:1100px;margin:30px auto;padding:25px;background:#fff;border:1px solid #ddd;border-radius:8px}.vedda-login{max-width:420px}.vedda-btn{display:inline-block;background:#62368b;color:#fff!important;padding:10px 18px;border-radius:4px;text-decoration:none;font-weight:700}.vedda-exam-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.vedda-exam-card{border:1px solid #ddd;border-top:4px solid #1779b8;padding:18px;border-radius:6px;background:#fafafa}
.vedda-cbt{position:relative;background:#fff;font-family:Arial,sans-serif;height:100vh;min-height:650px;overflow:hidden;color:#222}.cbt-top{height:82px;display:grid;grid-template-columns:155px 1fr 170px 150px;border-bottom:1px solid #777}.cbt-logo{display:flex;align-items:center;padding-left:18px;font-weight:800;color:#27164d}.cbt-logo span{width:34px;height:34px;background:#27164d;color:#fff;border-radius:5px;display:flex;align-items:center;justify-content:center;margin-right:7px}.cbt-title{border-left:1px solid #ddd;border-right:1px solid #ddd;text-align:center;display:flex;flex-direction:column;justify-content:center}.cbt-title small{margin-top:5px;color:#777}.cbt-user{display:flex;align-items:center;justify-content:center;font-size:12px}.cbt-timer{border-left:1px solid #ddd;text-align:center;display:flex;flex-direction:column;justify-content:center}.cbt-timer small{font-size:10px}.cbt-timer strong{font-size:20px;color:#c62828;margin-top:4px}.cbt-body{height:calc(100% - 82px);display:grid;grid-template-columns:minmax(0,1fr) 285px}.cbt-main{display:flex;flex-direction:column;border-right:1px solid #777}.cbt-tabs{height:38px;background:#eee;border-bottom:1px solid #aaa;display:flex;align-items:flex-end}.cbt-tab{height:34px;border:1px solid #aaa;border-bottom:0;background:#ddd;padding:0 20px;font-weight:700}.cbt-tab.active{background:#fff;border-top:3px solid #6d438f}.cbt-q{flex:1;overflow:auto;padding:22px}.cbt-q-title{font-weight:700;margin-bottom:16px}.cbt-q-text{line-height:1.6;font-size:15px}.cbt-options{display:flex;flex-direction:column;gap:14px;margin-top:20px}.cbt-option{display:flex;gap:10px;cursor:pointer}.cbt-radio{width:18px;height:18px;border:1px solid #888;border-radius:50%;flex:none}.cbt-option.selected .cbt-radio:after{content:"";display:block;width:9px;height:9px;margin:4px;background:#6d438f;border-radius:50%}.cbt-actions{height:58px;background:#eee;border-top:1px solid #999;display:flex;gap:7px;padding:11px}.cbt-actions button,.cbt-side button{border:1px solid #777;background:#fff;padding:0 12px;height:35px;font-size:10px;font-weight:700;border-radius:3px}.cbt-actions .save{background:#6d438f;color:#fff}.cbt-actions .submit{margin-left:auto;background:#15983e;color:#fff}.cbt-side{display:flex;flex-direction:column;background:#fff}.cbt-side h3{margin:0;background:#177bb8;color:#fff;text-align:center;padding:11px;font-size:13px}.cbt-legend{padding:10px;display:grid;grid-template-columns:1fr 1fr;gap:7px;border-bottom:1px solid #ccc;font-size:10px}.legend-i{display:flex;align-items:center;gap:5px}.legend-dot{width:18px;height:18px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:9px}.ld-a{background:#15983e}.ld-u{background:#d52e2e}.ld-r{background:#733ab0}.ld-n{background:#fff;border:1px solid #999;color:#222}.ld-ar{background:linear-gradient(90deg,#15983e 65%,#733ab0 65%)}.cbt-palette{padding:10px;display:grid;grid-template-columns:repeat(5,1fr);gap:7px;overflow:auto}.cbt-palette button{padding:0;height:31px}.cbt-palette button.a,.cbt-palette button.u,.cbt-palette button.r,.cbt-palette button.ar{border-radius:50%;color:#fff}.cbt-palette button.a{background:#15983e}.cbt-palette button.u{background:#d52e2e}.cbt-palette button.r{background:#733ab0}.cbt-palette button.ar{background:linear-gradient(90deg,#15983e 65%,#733ab0 65%)}.cbt-palette button.cur{outline:2px solid #222}.cbt-modal{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:99999}.cbt-modal[hidden]{display:none}.cbt-modal>div{background:#fff;padding:25px;width:420px}.cbt-modal button{padding:9px 14px;margin:6px;border:1px solid #777}.cbt-modal .submit{background:#15983e;color:#fff}.vedda-result-box{max-width:600px;margin:40px auto;background:#fff;padding:30px}
@media(max-width:800px){.cbt-top{grid-template-columns:90px 1fr 110px}.cbt-user{display:none}.cbt-body{grid-template-columns:1fr 220px}.cbt-logo{padding-left:5px;font-size:12px}.cbt-actions button{padding:0 5px;font-size:9px}}

.cbt-security{height:25px;background:#f7f7f7;border-bottom:1px solid #ddd;text-align:right;padding:6px 12px;font-size:9px;color:#16863a;font-weight:bold}.cbt-security:before{content:"● ";color:#15983e}
.cbt-main{position:relative}