:root{--primary-color: #007AFF;--secondary-color: #5856D6;--success-color: #34C759;--warning-color: #FF9500;--danger-color: #FF3B30;--gray-1: #8E8E93;--gray-2: #C7C7CC;--gray-3: #D1D1D6;--gray-4: #E5E5EA;--gray-5: #F2F2F7;--gray-6: #FAFAFA;--text-primary: #000000;--text-secondary: #3C3C43;--background: #FFFFFF;--card-background: #FFFFFF;--border-color: #E5E5EA}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,Helvetica Neue,Helvetica,Arial,sans-serif;background-color:var(--gray-6);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{max-width:1200px;margin:0 auto;padding:20px}.header{background:var(--card-background);border-radius:12px;padding:24px;box-shadow:0 1px 3px #0000001a;margin-bottom:24px}.header h1{font-size:28px;font-weight:700;margin-bottom:16px;color:var(--text-primary)}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:16px}.stat-card{background:var(--gray-5);padding:16px;border-radius:8px;text-align:center}.stat-card h3{font-size:13px;font-weight:600;color:var(--gray-1);margin-bottom:4px}.stat-card p{font-size:24px;font-weight:700;color:var(--text-primary)}.controls{display:flex;gap:12px;margin-bottom:24px;flex-wrap:wrap}.btn{padding:8px 16px;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;justify-content:center}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:#0056CC}.btn-secondary{background:var(--gray-4);color:var(--text-primary)}.btn-secondary:hover{background:var(--gray-3)}.btn-ghost{background:transparent;color:var(--primary-color);border:1px solid var(--primary-color)}.btn-ghost:hover{background:var(--primary-color);color:#fff}.search-bar{flex:1;min-width:200px;padding:8px 16px;border:1px solid var(--border-color);border-radius:8px;font-size:14px;background:white}.search-bar:focus{outline:none;border-color:var(--primary-color)}.costume-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:20px}.costume-card{background:var(--card-background);border-radius:12px;padding:20px;box-shadow:0 1px 3px #0000001a;transition:transform .2s ease}.costume-card:hover{transform:translateY(-2px)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.card-header h3{font-size:20px;font-weight:700;color:var(--text-primary)}.costume-id{font-size:12px;font-weight:600;color:var(--gray-1);background:var(--gray-5);padding:4px 8px;border-radius:4px}.costume-info{margin-bottom:16px}.info-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.info-row:last-child{margin-bottom:0}.label{font-size:14px;color:var(--text-secondary)}.value{font-size:14px;font-weight:600;color:var(--text-primary)}.value.available{color:var(--success-color)}.value.checked-out{color:var(--danger-color)}.value.description{font-weight:400}.card-actions{display:flex;gap:8px}.card-actions .btn{flex:1}.details-section{margin-top:20px;padding-top:20px;border-top:1px solid var(--border-color)}.details-section h4{font-size:16px;font-weight:600;margin-bottom:12px;color:var(--text-primary)}.checked-out-items{display:flex;flex-direction:column;gap:8px}.checked-out-item{display:flex;justify-content:space-between;align-items:center;padding:12px;background:var(--gray-5);border-radius:8px}.item-info{display:flex;flex-direction:column;gap:2px}.item-name{font-weight:600;font-size:14px}.person{font-size:13px;color:var(--text-secondary)}.date{font-size:12px;color:var(--gray-1)}.btn-checkin{padding:4px 8px;font-size:12px;background:var(--warning-color);color:#fff;border:none;border-radius:4px;cursor:pointer}.btn-checkin:hover{background:#E58A00}.modal{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:var(--background);border-radius:12px;padding:24px;max-width:500px;width:90%;max-height:90vh;overflow-y:auto}.modern-form h2{font-size:24px;font-weight:700;margin-bottom:24px;color:var(--text-primary)}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:8px 12px;border:1px solid var(--border-color);border-radius:8px;font-size:14px}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color)}.form-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:24px}.groups-manager{padding:0}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.modal-header h2{font-size:24px;font-weight:700}.close-btn{background:none;border:none;font-size:24px;cursor:pointer;color:var(--gray-1)}.groups-list{margin-bottom:24px}.group-item{display:flex;justify-content:space-between;align-items:center;padding:16px;background:var(--gray-5);border-radius:8px;margin-bottom:8px}.group-info h4{font-size:16px;font-weight:600;margin-bottom:4px}.group-info p{font-size:14px;color:var(--text-secondary);margin-bottom:4px}.members-list{display:flex;flex-wrap:wrap;gap:4px}.member-tag{font-size:12px;background:var(--gray-4);color:var(--text-secondary);padding:2px 6px;border-radius:4px}.group-actions{display:flex;gap:8px}.empty-state{text-align:center;color:var(--gray-1);font-style:italic}.add-group-form{padding:0}.member-input-section{margin-top:8px}.member-input-row{display:flex;gap:8px;margin-bottom:12px}.member-input-row input{flex:1;margin:0}.members-list-input{display:flex;flex-direction:column;gap:4px}.member-item{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:var(--gray-5);border-radius:6px;font-size:14px}.remove-btn{background:var(--danger-color);color:#fff;border:none;border-radius:50%;width:20px;height:20px;font-size:12px;cursor:pointer;display:flex;align-items:center;justify-content:center}.remove-btn:hover{background:#CC3128}@media (max-width: 768px){.app{padding:16px}.costume-grid{grid-template-columns:1fr}.controls{flex-direction:column}.search-bar{width:100%}}