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var(--transition-fast);justify-content:center;align-items:center;gap:var(--space-xs);border:none;flex:1;font-size:.85rem;font-weight:500;display:flex}.exam-btn:disabled{opacity:.6;cursor:not-allowed}.exam-btn-primary{color:#fff;background:linear-gradient(135deg,#10b981,#059669)}.exam-btn-primary:hover:not(:disabled){filter:brightness(1.1);transform:translateY(-1px)}.exam-btn-secondary{color:#fff;background:linear-gradient(135deg,#8b5cf6,#7c3aed)}.exam-btn-secondary:hover:not(:disabled){filter:brightness(1.1);transform:translateY(-1px)}.profile-actions{text-align:center;margin-top:var(--space-xl)}@media (max-width:640px){.exams-grid{grid-template-columns:1fr}.exam-card-actions{flex-direction:column}.profile-title{font-size:1.5rem}}.toast-container{z-index:9999;pointer-events:none;flex-direction:column;gap:12px;width:100%;max-width:400px;display:flex;position:fixed;bottom:24px;right:24px}.toast{background:var(--color-bg-card);border:1px solid var(--color-border);box-shadow:var(--shadow-lg);border-radius:var(--radius-md);pointer-events:auto;align-items:flex-start;gap:12px;padding:16px;animation:.3s forwards slideIn;display:flex;position:relative;overflow:hidden}.toast:before{content:"";width:4px;position:absolute;top:0;bottom:0;left:0}.toast-success:before{background-color:var(--color-success)}.toast-error:before{background-color:var(--color-error)}.toast-warning:before{background-color:var(--color-warning)}.toast-info:before{background-color:var(--color-info)}.toast-icon{font-size:1.25rem;line-height:1}.toast-message{color:var(--color-text);flex:1;font-size:.95rem}.toast-close{color:var(--color-text-muted);cursor:pointer;background:0 0;border:none;margin-left:4px;padding:0;font-size:1.25rem;line-height:1}.toast-close:hover{color:var(--color-text)}@keyframes slideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.filters-bar{gap:var(--space-md);margin-bottom:var(--space-xl);background:var(--color-bg-card);padding:var(--space-md);border-radius:var(--radius-lg);border:1px solid var(--color-border);flex-wrap:wrap;align-items:center;display:flex}.search-input-wrapper{flex:1;min-width:250px;position:relative}.search-icon{color:var(--color-text-muted);position:absolute;top:50%;left:12px;transform:translateY(-50%)}.search-input{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);width:100%;color:var(--color-text);padding:10px 12px 10px 36px;font-size:.95rem}.search-input:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 2px #3b82f61a}.filter-select{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);color:var(--color-text);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");background-position:right 8px center;background-repeat:no-repeat;background-size:16px;padding:10px 32px 10px 12px;font-size:.95rem}.analytics-grid{gap:var(--space-md);margin-bottom:var(--space-xl);grid-template-columns:repeat(auto-fit,minmax(200px,1fr));display:grid}.analytics-card{background:var(--color-bg-card);padding:var(--space-lg);border-radius:var(--radius-lg);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);text-align:center;flex-direction:column;align-items:center;display:flex}.analytics-value{color:var(--color-primary);margin-bottom:var(--space-xs);font-size:2rem;font-weight:700}.analytics-label{color:var(--color-text-secondary);font-size:.875rem;font-weight:500}