:root{--property-primary: #667eea;--property-secondary: #764ba2;--property-success: #10b981;--property-warning: #f59e0b;--property-danger: #ef4444;--property-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%)}body{background:#f8fafc;padding-bottom:2rem}.header{background:var(--property-gradient);color:#fff;padding:2rem 0 3rem;margin-bottom:-1rem;position:relative;overflow:hidden}.header:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/></svg>');animation:float 20s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.header-content{max-width:800px;margin:0 auto;padding:0 2rem;position:relative;z-index:2;text-align:center}.header-title{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:800;margin-bottom:.5rem;text-shadow:0 4px 8px rgba(0,0,0,.2)}.header-subtitle{font-size:1.125rem;opacity:.9;margin-bottom:1rem}.breadcrumb{display:flex;align-items:center;justify-content:center;gap:.5rem;margin-bottom:1.5rem;font-size:.875rem;opacity:.8}.main-content{max-width:800px;margin:0 auto;padding:0 2rem;position:relative;z-index:3}.form-container{background:#fff;border-radius:20px;padding:2.5rem;box-shadow:0 10px 30px rgba(0,0,0,.1);border:1px solid #e2e8f0}.form-section{margin-bottom:3rem}.section-title{font-size:1.5rem;font-weight:700;color:#1f2937;margin-bottom:1.5rem;display:flex;align-items:center;gap:.75rem;padding-bottom:.75rem;border-bottom:2px solid #e5e7eb}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:2rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group.full-width{grid-column:1 / -1}.form-label{font-weight:600;color:#374151;font-size:.9375rem;display:flex;align-items:center;gap:.5rem}.form-label.required:after{content:"*";color:var(--property-danger);font-weight:700}.form-input,.form-select,.form-textarea{padding:.875rem 1rem;border:2px solid #e5e7eb;border-radius:12px;font-size:1rem;transition:all .2s ease;background:#fff;font-family:inherit}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--property-primary);box-shadow:0 0 0 3px rgba(102,126,234,.1);transform:translateY(-1px)}.form-textarea{min-height:120px;resize:vertical;line-height:1.6}.form-input.error,.form-select.error,.form-textarea.error{border-color:var(--property-danger);box-shadow:0 0 0 3px rgba(239,68,68,.1)}.error-message{color:var(--property-danger);font-size:.875rem;margin-top:.25rem;display:none}.price-input-container{position:relative}.price-input-container:before{content:"AUD $";position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:#6b7280;font-weight:600;pointer-events:none}.price-input{padding-left:4rem}.image-upload-section{border:2px dashed #d1d5db;border-radius:16px;padding:2rem;text-align:center;transition:all .3s ease;cursor:pointer;background:#f9fafb}.image-upload-section:hover{border-color:var(--property-primary);background:#f8fafc}.image-upload-section.dragover{border-color:var(--property-primary);background:rgba(102,126,234,.05)}.upload-icon{font-size:3rem;margin-bottom:1rem;color:#9ca3af}.upload-text{font-size:1.125rem;font-weight:600;color:#374151;margin-bottom:.5rem}.upload-subtext{font-size:.875rem;color:#6b7280;margin-bottom:1.5rem}.upload-btn{background:var(--property-gradient);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:10px;font-weight:600;cursor:pointer;transition:all .2s ease}.upload-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(102,126,234,.4)}.image-previews{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1rem;margin-top:2rem}.image-preview{position:relative;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 6px -1px rgba(0,0,0,.1);border:2px solid #e5e7eb;transition:all .2s ease}.image-preview:hover{border-color:var(--property-primary);transform:translateY(-2px)}.image-preview.main{border-color:var(--property-success);box-shadow:0 0 0 3px rgba(16,185,129,.1)}.preview-image{width:100%;height:120px;object-fit:cover}.preview-actions{position:absolute;top:.5rem;right:.5rem;display:flex;gap:.25rem}.preview-btn{background:rgba(0,0,0,.7);color:#fff;border:none;width:2rem;height:2rem;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.875rem;transition:all .2s ease}.preview-btn:hover{background:rgba(0,0,0,.9);transform:scale(1.1)}.preview-btn.delete{background:rgba(239,68,68,.9)}.preview-btn.main{background:rgba(16,185,129,.9)}.preview-label{padding:.5rem;font-size:.75rem;color:#6b7280;text-align:center;background:#f9fafb}.main-image-badge{position:absolute;bottom:.5rem;left:.5rem;background:var(--property-success);color:#fff;padding:.25rem .5rem;border-radius:6px;font-size:.75rem;font-weight:600}.upload-progress{margin-top:1rem;display:none}.progress-bar{width:100%;height:8px;background:#e5e7eb;border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:var(--property-gradient);transition:width .3s ease;width:0%}.progress-text{text-align:center;margin-top:.5rem;font-size:.875rem;color:#6b7280}.form-actions{display:flex;gap:1rem;justify-content:center;padding-top:2rem;border-top:1px solid #e5e7eb}.btn{padding:1rem 2rem;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;border:none;text-decoration:none;display:flex;align-items:center;justify-content:center;gap:.5rem;min-width:150px}.btn.primary{background:var(--property-gradient);color:#fff}.btn.primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(102,126,234,.4)}.btn.primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn.secondary{background:#f8fafc;color:#6b7280;border:1px solid #e5e7eb}.btn.secondary:hover{background:#f1f5f9}.notification{position:fixed;top:2rem;right:2rem;background:#fff;border-radius:12px;padding:1rem 1.5rem;box-shadow:0 10px 30px rgba(0,0,0,.15);border-left:4px solid var(--property-success);z-index:1000;transform:translate(100%);transition:transform .3s ease;max-width:400px}.notification.show{transform:translate(0)}.notification.error{border-left-color:var(--property-danger)}.notification-title{font-weight:600;margin-bottom:.25rem}.notification-message{font-size:.875rem;color:#6b7280}.loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);display:none;justify-content:center;align-items:center;z-index:9999}.loading-content{background:#fff;border-radius:16px;padding:2rem;text-align:center;box-shadow:0 25px 50px rgba(0,0,0,.25)}.spinner{width:3rem;height:3rem;border:4px solid #e5e7eb;border-radius:50%;border-top-color:var(--property-primary);animation:spin 1s ease-in-out infinite;margin:0 auto 1rem}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:768px){.header{padding:1.5rem 0 2rem}.header-content,.main-content{padding:0 1rem}.form-container{padding:1.5rem;border-radius:16px}.form-grid{grid-template-columns:1fr;gap:1rem}.form-actions{flex-direction:column}.btn{width:100%}.image-previews{grid-template-columns:repeat(2,1fr)}.notification{top:1rem;right:1rem;left:1rem;max-width:none}}