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tr.low-stock:hover{background:#ffeaa7}.profit-positive{color:#137333;font-weight:600}.profit-negative{color:#c5221f;font-weight:600}.quantity-low{color:#dc3545;font-weight:700}.btn-edit{background:#667eea;border:none;border-radius:6px;color:#fff;cursor:pointer;font-size:14px;padding:8px 16px;transition:all .3s ease}.btn-edit:hover{background:#764ba2;transform:translateY(-1px)}.empty-state{color:#666;padding:40px}.empty-state p{font-size:18px}.modal-overlay{align-items:center;background:#00000080;bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:1000}.modal-content{background:#fff;border-radius:12px;box-shadow:0 10px 40px #0003;max-height:90vh;max-width:700px;overflow-y:auto;padding:30px;width:90%}.modal-header{border-bottom:2px solid #e0e0e0;margin-bottom:25px;padding-bottom:15px}.close-btn{color:#666;font-size:32px;height:32px;line-height:1;padding:0;width:32px}.stock-form{display:flex;flex-direction:column;gap:20px}.form-actions{border-top:2px 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