:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--success-color: #16a34a;--warning-color: #ca8a04;--error-color: #dc2626;--bg-color: #f8fafc;--card-bg: #ffffff;--text-color: #1e293b;--text-muted: #64748b;--border-color: #e2e8f0;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.6}a{color:var(--primary-color);text-decoration:none}a:hover{text-decoration:underline}.admin-body{display:flex;flex-direction:column;min-height:100vh}.admin-nav{background:var(--card-bg);border-bottom:1px solid var(--border-color);padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between;height:60px;box-shadow:var(--shadow)}.nav-brand a{font-weight:700;font-size:1.25rem;color:var(--text-color)}.nav-brand a:hover{text-decoration:none;color:var(--primary-color)}.nav-links{display:flex;gap:1.5rem}.nav-links a{color:var(--text-muted);font-weight:500;padding:.5rem 0;border-bottom:2px solid transparent}.nav-links a:hover,.nav-links a.active{color:var(--primary-color);text-decoration:none;border-bottom-color:var(--primary-color)}.admin-main{flex:1;padding:2rem;max-width:1400px;margin:0 auto;width:100%}.consumer-body{min-height:100vh;display:flex;flex-direction:column}.consumer-header{background:linear-gradient(135deg,var(--primary-color),#7c3aed);color:#fff;padding:3rem 2rem;text-align:center}.consumer-header h1{font-size:2.5rem;margin-bottom:.5rem}.consumer-header p{opacity:.9;font-size:1.125rem}.consumer-main{flex:1;padding:2rem;max-width:800px;margin:0 auto;width:100%}.consumer-footer{background:var(--card-bg);border-top:1px solid var(--border-color);padding:1.5rem;text-align:center;color:var(--text-muted)}.consumer-footer a{margin:0 .5rem}.card{background:var(--card-bg);border-radius:.5rem;border:1px solid var(--border-color);box-shadow:var(--shadow);padding:1.5rem;margin-bottom:1.5rem}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}.card-title{font-size:1.25rem;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background:var(--card-bg);border-radius:.5rem;border:1px solid var(--border-color);padding:1.25rem}.stat-value{font-size:2rem;font-weight:700;color:var(--primary-color)}.stat-label{color:var(--text-muted);font-size:.875rem}.form-group{margin-bottom:1.25rem}.form-label{display:block;font-weight:500;margin-bottom:.5rem;color:var(--text-color)}.form-input,.form-select,.form-textarea{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:.375rem;font-size:1rem;transition:border-color .15s ease}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.form-textarea{min-height:120px;font-family:Monaco,Menlo,monospace;font-size:.875rem}.form-hint{font-size:.875rem;color:var(--text-muted);margin-top:.25rem}.checkbox-group{display:flex;flex-direction:column;gap:.5rem;padding:.75rem;background:var(--bg-color);border-radius:.375rem;border:1px solid var(--border-color)}.checkbox-label{display:flex;align-items:center;gap:.5rem;cursor:pointer;font-size:.9rem}.checkbox-label input[type=checkbox]{width:1rem;height:1rem;accent-color:var(--primary-color);cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;border-radius:.375rem;border:none;cursor:pointer;transition:all .15s ease}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--card-bg);color:var(--text-color);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-color)}.btn-danger{background:var(--error-color);color:#fff}.btn-danger:hover{background:#b91c1c}.btn-sm{padding:.5rem 1rem;font-size:.875rem}.btn:disabled{opacity:.6;cursor:not-allowed}.table-container{overflow-x:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--border-color)}.table th{font-weight:600;color:var(--text-muted);font-size:.875rem;text-transform:uppercase;letter-spacing:.05em}.table tr:hover{background:var(--bg-color)}.badge{display:inline-block;padding:.25rem .75rem;font-size:.75rem;font-weight:600;border-radius:9999px;text-transform:uppercase}.badge-success{background:#dcfce7;color:#166534}.badge-warning{background:#fef9c3;color:#854d0e}.badge-error{background:#fee2e2;color:#991b1b}.badge-info{background:#dbeafe;color:#1e40af}.alert{padding:1rem 1.25rem;border-radius:.375rem;margin-bottom:1rem}.alert-success{background:#dcfce7;color:#166534;border:1px solid #86efac}.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.alert-warning{background:#fef9c3;color:#854d0e;border:1px solid #fde047}.alert-info{background:#dbeafe;color:#1e40af;border:1px solid #93c5fd}.code-block{background:#1e293b;color:#e2e8f0;padding:1rem;border-radius:.375rem;overflow-x:auto;font-family:Monaco,Menlo,monospace;font-size:.875rem;line-height:1.5}.code-inline{background:var(--bg-color);padding:.125rem .375rem;border-radius:.25rem;font-family:Monaco,Menlo,monospace;font-size:.875em}.steps{display:flex;flex-direction:column;gap:1.5rem}.step{display:flex;gap:1rem}.step-number{width:2rem;height:2rem;background:var(--primary-color);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0}.step-content{flex:1}.step-title{font-weight:600;margin-bottom:.5rem}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--card-bg);border-radius:.5rem;box-shadow:var(--shadow-lg);max-width:500px;width:90%;max-height:90vh;overflow-y:auto}.modal-header{padding:1.25rem 1.5rem;border-bottom:1px solid var(--border-color);font-weight:600;font-size:1.125rem}.modal-body{padding:1.5rem}.modal-footer{padding:1rem 1.5rem;border-top:1px solid var(--border-color);display:flex;justify-content:flex-end;gap:.75rem}.empty-state{text-align:center;padding:3rem;color:var(--text-muted)}.empty-state-icon{font-size:3rem;margin-bottom:1rem}.spinner{width:1.5rem;height:1.5rem;border:2px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.invitation-code{font-family:Monaco,Menlo,monospace;font-size:1.5rem;font-weight:700;letter-spacing:.1em;background:var(--bg-color);padding:1rem 1.5rem;border-radius:.5rem;text-align:center;margin:1rem 0}.certificate-details{display:grid;gap:.75rem}.certificate-field{display:flex;flex-direction:column}.certificate-field-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.certificate-field-value{font-weight:500;word-break:break-all}@media(max-width:768px){.admin-nav{flex-direction:column;height:auto;padding:1rem;gap:1rem}.nav-links{flex-wrap:wrap;justify-content:center;gap:.75rem}.stats-grid{grid-template-columns:repeat(2,1fr)}.consumer-header h1{font-size:1.75rem}}.text-center{text-align:center}.text-right{text-align:right}.text-muted{color:var(--text-muted)}.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}.mt-3{margin-top:1rem}.mt-4{margin-top:1.5rem}.mb-1{margin-bottom:.25rem}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:1rem}.mb-4{margin-bottom:1.5rem}.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}.gap-2{gap:.5rem}.gap-3{gap:1rem}.csr-drop-zone{position:relative}.csr-drop-zone .form-textarea{transition:border-color .2s ease,background-color .2s ease}.csr-drop-zone.dragging .form-textarea{border-color:var(--primary-color);background-color:#2563eb0d}.drop-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#2563eb1a;border:2px dashed var(--primary-color);border-radius:.375rem;display:none;align-items:center;justify-content:center;pointer-events:none;z-index:10}.drop-overlay.active{display:flex}.drop-overlay-content{background:var(--primary-color);color:#fff;padding:.75rem 1.5rem;border-radius:.375rem;font-weight:600;font-size:1rem}