:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-tertiary: #e9ecef;--text-primary: #212529;--text-secondary: #6c757d;--text-muted: #adb5bd;--border-color: #dee2e6;--border-focus: #667eea;--input-bg: #ffffff;--input-border: #ced4da;--input-focus-shadow: rgba(102, 126, 234, 0.15);--btn-primary-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--btn-secondary-bg: #ffffff;--btn-secondary-color: #6c757d;--shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);--shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12)}body.dark-theme{--bg-primary: #1a1a2e;--bg-secondary: #16213e;--bg-tertiary: #0f3460;--text-primary: #ffffff;--text-secondary: #b0b0c0;--text-muted: #6c757d;--border-color: #2a2a4e;--border-focus: #8b9fff;--input-bg: #16213e;--input-border: #2a2a4e;--input-focus-shadow: rgba(139, 159, 255, 0.15);--btn-primary-bg: linear-gradient(135deg, #8b9fff 0%, #a67ec8 100%);--btn-secondary-bg: #16213e;--btn-secondary-color: #ffffff;--shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);--shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);--shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4)}#modern-registration{min-height:100vh;transition:all 0.3s ease}.registration-hero{background:var(--bg-secondary);padding:120px 0 40px;border-bottom:1px solid var(--border-color)}body.dark-theme .registration-hero{background:var(--bg-secondary)}.hero-content{text-align:center;max-width:600px;margin:0 auto}.breadcrumb-nav{display:inline-flex;align-items:center;gap:8px;font-size:14px;margin-bottom:20px;color:var(--text-secondary)}.breadcrumb-nav a{color:var(--text-secondary);text-decoration:none;transition:color 0.2s ease}.breadcrumb-nav a:hover{color:var(--border-focus)}.hero-title{font-size:2rem;color:var(--text-primary);margin-bottom:12px;font-weight:600}.hero-title .highlight{color:var(--border-focus)}.hero-subtitle{color:var(--text-secondary);font-size:1.1rem}.registration-form-section{padding:40px 0;background:var(--bg-primary);min-height:600px}.form-container{max-width:720px;margin:0 auto;background:var(--bg-primary);border-radius:12px;box-shadow:var(--shadow-md);border:1px solid var(--border-color)}.form-progress{padding:24px;border-bottom:1px solid var(--border-color);background:var(--bg-secondary)}.progress-bar{height:4px;background:var(--bg-tertiary);border-radius:2px;margin-bottom:24px}.progress-fill{height:100%;background:var(--border-focus);border-radius:2px;transition:width 0.4s ease}.progress-steps{display:flex;justify-content:space-between}.step{display:flex;flex-direction:column;align-items:center;gap:6px;opacity:0.5;transition:opacity 0.2s ease}.step.active{opacity:1}.step-number{width:32px;height:32px;background:var(--bg-primary);border:2px solid var(--border-color);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;color:var(--text-secondary);transition:all 0.2s ease}.step.active .step-number{background:var(--border-focus);color:white;border-color:var(--border-focus)}.step-label{font-size:13px;color:var(--text-secondary)}.form-step{display:none;padding:32px;min-height:400px}.form-step.active{display:block}.form-step[data-step="1"]{border-left:3px solid #007bff}.form-step[data-step="2"]{border-left:3px solid #28a745}.form-step[data-step="3"]{border-left:3px solid #ffc107}.step-header{margin-bottom:32px}.step-header h2{font-size:22px;color:var(--text-primary);margin-bottom:8px;font-weight:600}.step-header p{color:var(--text-secondary);font-size:15px;margin:0}.section-notice{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;padding:16px;margin-bottom:24px;display:flex;align-items:flex-start;gap:12px}.section-notice i{color:var(--border-focus);font-size:18px}.section-notice p{margin:0;color:var(--text-secondary);font-size:14px;line-height:1.5}.form-control{width:100%;padding:10px 14px;font-size:15px;line-height:1.5;color:var(--text-primary);background-color:var(--input-bg);border:1px solid var(--input-border);border-radius:8px;transition:all 0.15s ease-in-out;font-family:inherit;-webkit-appearance:none;-moz-appearance:none;appearance:none}.form-control:focus{color:var(--text-primary);background-color:var(--input-bg);border-color:var(--border-focus);outline:0;box-shadow:0 0 0 0.2rem var(--input-focus-shadow)}.form-control::placeholder{color:var(--text-muted);opacity:0.8}textarea.form-control{min-height:100px;resize:vertical}select.form-control{background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%236c757d' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");background-repeat:no-repeat;background-position:left 12px center;background-size:16px 12px;padding-left:36px}body.dark-theme select.form-control{background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23b0b0c0' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e")}select.form-control[multiple]{height:120px;background-image:none;padding-left:14px}select[multiple],.select2-modern,.form-control[multiple]{background-image:none !important;-webkit-appearance:none !important;-moz-appearance:none !important;appearance:none !important}.select2-container--default .select2-selection--multiple .select2-selection__arrow,.select2-container--default .select2-selection--single .select2-selection__arrow,.select2-container--bootstrap4 .select2-selection--multiple .select2-selection__arrow,.select2-container--bootstrap4 .select2-selection--single .select2-selection__arrow{display:none !important;visibility:hidden !important;width:0 !important;height:0 !important}.select2-container .select2-dropdown-indicator{display:none !important}.select2-container--default .select2-selection--multiple,.select2-container--bootstrap4 .select2-selection--multiple{padding-right:8px !important}.input-wrapper{position:relative}.input-wrapper i{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:16px;pointer-events:none;transition:color 0.2s ease}.input-wrapper:has(textarea) i{top:18px;transform:none}.input-wrapper:focus-within i{color:var(--border-focus)}.input-wrapper .form-control{padding-right:40px}.form-label{display:block;margin-bottom:6px;font-weight:500;font-size:14px;color:var(--text-primary)}.form-label.required::after{content:' *';color:#dc3545}.form-row{display:flex;flex-wrap:wrap;margin-left:-10px;margin-right:-10px}.form-group{padding:0 10px;margin-bottom:20px}.form-group.col-md-4{flex:0 0 33.333%;max-width:33.333%}.form-group.col-md-6{flex:0 0 50%;max-width:50%}.form-group.col-md-8{flex:0 0 66.666%;max-width:66.666%}.form-group.col-md-12{flex:0 0 100%;max-width:100%}.class-types,.class-locations{margin-bottom:40px;padding:24px;background:var(--bg-secondary);border-radius:12px;border:1px solid var(--border-color);position:relative}.class-types::before,.class-locations::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg, var(--border-focus) 0%, rgba(102,126,234,0.3) 100%);border-radius:12px 12px 0 0}.class-types h3,.class-locations h3{font-size:20px;color:var(--text-primary);margin-bottom:20px;font-weight:600;display:flex;align-items:center;gap:12px}.class-types h3::before{content:'';width:24px;height:24px;background:var(--border-focus);border-radius:6px;display:inline-block;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='white' viewBox='0 0 16 16'%3e%3cpath d='M8 15A7 7 0 1 1 8 1a7 7 0 0 1 0 14zm0 1A8 8 0 1 0 8 0a8 8 0 0 0 0 16z'/%3e%3cpath d='m8.93 6.588-2.29.287-.082.38.45.083c.294.07.352.176.288.469l-.738 3.468c-.194.897.105 1.319.808 1.319.545 0 1.178-.252 1.465-.598l.088-.416c-.2.176-.492.246-.686.246-.275 0-.375-.193-.304-.533L8.93 6.588zM9 4.5a1 1 0 1 1-2 0 1 1 0 0 1 2 0z'/%3e%3c/svg%3e");background-size:16px;background-repeat:no-repeat;background-position:center}.class-locations h3::before{content:'';width:24px;height:24px;background:var(--border-focus);border-radius:6px;display:inline-block;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='white' viewBox='0 0 16 16'%3e%3cpath d='M8 16s6-5.686 6-10A6 6 0 0 0 2 6c0 4.314 6 10 6 10zm0-7a3 3 0 1 1 0-6 3 3 0 0 1 0 6z'/%3e%3c/svg%3e");background-size:16px;background-repeat:no-repeat;background-position:center}.form-step .form-row{margin-bottom:20px}.form-step .form-row:last-child{margin-bottom:0}.section-divider{text-align:center;margin:32px 0 24px;position:relative}.section-divider::before{content:'';position:absolute;top:50%;left:0;right:0;height:1px;background:var(--border-color);z-index:1}.divider-text{background:var(--bg-primary);padding:0 16px;color:var(--text-secondary);font-size:14px;font-weight:500;position:relative;z-index:2}.checkbox-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px;margin-bottom:24px}@media (max-width: 768px){.checkbox-grid{grid-template-columns:repeat(2, 1fr);gap:12px}}@media (max-width: 480px){.checkbox-grid{grid-template-columns:1fr;gap:10px}}.checkbox-card{position:relative;cursor:pointer;transition:all 0.3s ease}.checkbox-card:hover{transform:translateY(-2px)}.checkbox-card input[type="checkbox"]{position:absolute;opacity:0;width:100%;height:100%;cursor:pointer;z-index:2}.checkbox-content{background:var(--bg-primary);border:2px solid var(--border-color);border-radius:12px;padding:24px 16px;text-align:center;transition:all 0.3s ease;display:flex;flex-direction:column;align-items:center;gap:12px;position:relative;overflow:hidden;min-height:120px;justify-content:center}.checkbox-content::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);transition:left 0.5s ease}.checkbox-card:hover .checkbox-content::before{left:100%}.checkbox-content i{font-size:28px;color:var(--text-muted);transition:all 0.3s ease;margin-bottom:4px}.checkbox-content span{font-size:15px;font-weight:600;color:var(--text-secondary);transition:all 0.3s ease}.checkbox-content small{font-size:12px;color:var(--text-muted);margin-top:4px;opacity:0.8}.checkbox-card:hover .checkbox-content{border-color:var(--border-focus);background:var(--bg-primary);box-shadow:0 8px 25px rgba(102,126,234,0.15)}.checkbox-card:hover .checkbox-content i{color:var(--border-focus);transform:scale(1.1)}.checkbox-card:hover .checkbox-content span{color:var(--border-focus)}.checkbox-card input[type="checkbox"]:checked~.checkbox-content{background:linear-gradient(135deg, var(--border-focus) 0%, rgba(102,126,234,0.9) 100%);border-color:var(--border-focus);color:white;box-shadow:0 12px 35px rgba(102,126,234,0.3);transform:translateY(-1px)}.checkbox-card input[type="checkbox"]:checked~.checkbox-content i,.checkbox-card input[type="checkbox"]:checked~.checkbox-content span,.checkbox-card input[type="checkbox"]:checked~.checkbox-content small{color:white}.checkbox-card input[type="checkbox"]:checked~.checkbox-content::after{content:'✓';position:absolute;top:8px;right:8px;width:24px;height:24px;background:rgba(255,255,255,0.2);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:bold;color:white}.checkbox-card.disabled{opacity:0.6;cursor:not-allowed}.checkbox-card.disabled:hover{transform:none}.checkbox-card.disabled .checkbox-content{background:var(--bg-tertiary);border-style:dashed}.checkbox-card.disabled:hover .checkbox-content{border-color:var(--border-color);box-shadow:none}.file-upload{position:relative}.file-upload-placeholder{background:var(--bg-secondary);border:2px dashed var(--border-color);border-radius:8px;padding:32px;text-align:center;cursor:pointer;transition:all 0.2s ease}.file-upload-placeholder:hover{border-color:var(--border-focus);background:var(--bg-primary)}.file-upload-placeholder i{font-size:40px;color:var(--text-muted);display:block;margin-bottom:12px}.file-upload-placeholder span{color:var(--text-secondary);font-size:14px}.file-input{position:absolute;inset:0;opacity:0;cursor:pointer}.form-navigation{padding:24px 32px;background:var(--bg-secondary);display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--border-color);gap:12px}.btn-prev,.btn-next,.btn-submit{padding:10px 24px;border:none;border-radius:8px;font-weight:500;font-size:15px;cursor:pointer;transition:all 0.2s ease;display:inline-flex;align-items:center;gap:8px;font-family:inherit}.btn-prev{background:var(--btn-secondary-bg);color:var(--btn-secondary-color);border:1px solid var(--border-color)}.btn-prev:hover{background:var(--bg-tertiary)}.btn-next,.btn-submit{background:var(--btn-primary-bg);color:white}.btn-next:hover,.btn-submit:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.password-strength{margin-top:6px;height:3px;background:var(--bg-tertiary);border-radius:2px;overflow:hidden}.strength-bar{height:100%;width:0;transition:all 0.3s ease}.form-step[data-step="3"]{background:linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%)}.form-step[data-step="3"] .step-header{text-align:center;margin-bottom:40px;padding-bottom:20px;border-bottom:2px solid var(--border-color);position:relative}.form-step[data-step="3"] .step-header::after{content:'';position:absolute;bottom:-2px;left:50%;transform:translateX(-50%);width:60px;height:2px;background:var(--border-focus)}.form-step[data-step="3"] .step-header h2{color:var(--border-focus);margin-bottom:8px}@keyframes cardEntrance{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.form-step.active[data-step="3"] .checkbox-card{animation:cardEntrance 0.6s ease forwards}.form-step.active[data-step="3"] .checkbox-card:nth-child(1){animation-delay:0.1s}.form-step.active[data-step="3"] .checkbox-card:nth-child(2){animation-delay:0.2s}.form-step.active[data-step="3"] .checkbox-card:nth-child(3){animation-delay:0.3s}.form-step.active[data-step="3"] .checkbox-card:nth-child(4){animation-delay:0.4s}.form-step[data-step="3"] .class-types{margin-bottom:48px}.form-step[data-step="3"] .class-locations{margin-bottom:40px}.form-step[data-step="3"] .form-row{margin-top:32px;padding-top:32px;border-top:1px solid var(--border-color);position:relative}.form-step[data-step="3"] .form-row::before{content:'اطلاعات تکمیلی';position:absolute;top:-10px;left:50%;transform:translateX(-50%);background:var(--bg-primary);padding:0 16px;color:var(--text-secondary);font-size:14px;font-weight:500}@media (max-width: 992px){.checkbox-grid{grid-template-columns:repeat(2, 1fr);gap:14px}}@media (max-width: 768px){.form-container{margin:0 15px;box-shadow:none;border-radius:8px}.form-step{padding:20px}.form-group.col-md-4,.form-group.col-md-6,.form-group.col-md-8{flex:0 0 100%;max-width:100%}.checkbox-grid{grid-template-columns:repeat(2, 1fr);gap:12px}.checkbox-content{padding:20px 12px;min-height:100px}.checkbox-content i{font-size:24px}.checkbox-content span{font-size:14px}.form-navigation{flex-direction:column;gap:12px;padding:20px}.btn-prev,.btn-next,.btn-submit{width:100%;justify-content:center}}@media (max-width: 480px){.checkbox-grid{grid-template-columns:1fr;gap:10px}}.modern-form{direction:rtl;text-align:right}